SSP_42121-Part_1-RevC.docx
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This notice announces a forthcoming Request for Proposal for the Human Space Flight Technical Integration Contract. NASA/JSC plans to issue the RFP on or about November 1, 2019, with proposals due on or about December 11, 2019. The procurement is a total small business set-aside under NAICS code 541715 with a size standard of 1,250 employees. The contract will provide technical integration services in support of human space flight programs. Interested parties should monitor the listed websites for the RFP release and any amendments. All technical questions must be submitted in writing by email or fax, with no phone inquiries accepted. The Center Ombudsman information is provided.
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SSP 42121 Part 1 Revision C
U.S. ON-ORBIT SEGMENT
PRESSURIZED MATING ADAPTER-1
TO RUSSIAN SEGMENT FGB INTERFACE CONTROL DOCUMENT PART 1
International Space Station Program
Revision C
Includes PIRNS 0076, 0079B, 0080C, 0081B, 0082, 0083, 0084, 0085, and 0086
December 2015
National Aeronautics and Space Administration International Space Station Program Johnson Space Center Houston, Texas Contract No.: NNJ12GA46C
REVISION AND HISTORY
| REV. |
| DESCRIPTION |
| PUB. DATE |
| - |
| Initial Release per (SSCD 000233, EFF. 05-10-96) |
| 08-06-96 |
| IRN 42121-0102 per SSCN 000102R3, EFF. 06-10-97 (Release to File) |
| 10-26-98 |
| IRN 42121-0219 per SSCN 000219R2, EFF. 05-23-96 (Release to File) |
| 10-26-98 |
| IRN 42121-0239 per SSCN 000239R3, EFF. 03-31-98 (Release to File) |
| 10-26-98 |
IRN 42121-0264 - Cancelled
| IRN 42121-0218 per SSCN 000218R2, EFF. 05-28-96 (Release to File) |
| 10-26-98 |
| IRN 42121-0253 per SSCN 000253, EFF. 09-24-98 (Release to File) |
| 10-26-98 |
| IRN 42121-0271 per SSCN 000271, EFF. 04-19-96 (Release to File) |
| 10-26-98 |
| IRN 42121-0257 per SSCN 000257, EFF. 03-24-96 (Release to File) |
| 10-26-98 |
| A |
| Revision A (Reference per SSCD 000508, EFF. 03-12-98) |
| 10-26-98 |
Incorporate the following approved PIRNs:
NA-0020A, NA-0021, NA-0022A, NA-0023, NA-0025B, NA-0026, NA-0027A,
NA-0028, NA-0029A, NA-0030, NA-0031, NA-0033, NA-0034, NA-0035, NA-0036, NA-0037, NA-0038, NA-0039B, NA-0040, NA-0041A, NA-0042, NA-0043, NA-0044, NA-0045, NA-0046, NA-0047, NA-0048B, NA-0049, NA-0050, NA-0051, NA-0052, NA-0053, NA-0054, NA-0055, NA-0056, NA-0057A, NA-0058, NA-0059, and NA-0060.
Note: IRN-42121-0346 and the associated SSCN 00346 was incorporated into Revision A by PIRN 42121-NA-0043.
| B |
| Revision B per SSCD 002204, EFF. 4-16-99 |
| 04-29-02 |
Revision B incorporate the following approved PIRNs/IRNs with associated SSCNs:
| PIRN | IRN | SSCN | |
| 42121-NA-0062 | N/A | 002204 | |
| 42121-NA-0063 | N/A | 002204 | |
| 42121-NA-0064 | N/A | 002204 | |
| 42121-NA-0065B | N/A | 002204 | |
| 42121-NA-0066 | N/A | 002204 | |
| 42121-NA-0067B | N/A | 002204 | |
| 42121-NA-0068B | 0993 | 000993 | |
| 42121-NA-0069ª | 0303 | 000303 | |
| 42121-NA-0070 | 0303 | 000303 | |
| 42121-NA-0071E | N/A | 002204 | |
| 42121-NA-0072C | 1465 | 000721/001465 | |
| 42121-NA-0073A | 1594 | 001594 | |
| 42121-NA-0074 | 1481 | 001481 | |
| 42121-NA-0075 | 1555 | 001555 |
REVISION AND HISTORY - Continued
| REV. |
| DESCRIPTION |
| PUB. DATE |
| C |
| Revision C (Reference per SSCD 15161, EFF. 02-04-16) |
| 10-14-16 |
| PIRN | IRN | SSCN | |
| 42121-NA-0076 | N/A |
42121-NA-0079B
42121-NA-0080C
42121-NA-0081B
42121-NA-0082 N/A
42121-NA-0083
42121-NA-0084 N/A
42121-NA-0085 N/A
42121-NA-0086 N/A
PREFACE
U.S. ON-ORBIT SEGMENT
PRESSURIZED MATING ADAPTER-1
TO RUSSIAN SEGMENT FGB INTERFACE CONTROL DOCUMENT PART 1
The contents of this document are intended to be consistent with the tasks and products to be prepared by Program participants. The U.S. On-Orbit Segment Pressurized Mating Adapter-1 to Russian Segment FGB Interface Control Document shall be implemented on all new ISSA contractual and internal activities and shall be included in any existing contracts through contract changes. This document is under the control of the Space Station Control Board (SSCB) and any changes or revisions will be approved by the SSCB and RSA.
INTERNATIONAL SPACE STATION PROGRAM
PRESSURIZED MATING ADAPTER-1
TO RUSSIAN SEGMENT FGB INTERFACE CONTROL DOCUMENT PART 1
CONCURRENCE
december 2015
INTERNATIONAL SPACE STATION PROGRAM
U.S. ON-ORBIT SEGMENT
PRESSURIZED MATING ADAPTER-1
TO RUSSIAN SEGMENT FGB INTERFACE CONTROL DOCUMENT PART 1
CONCURRENCE
december 2015 Concurred by:
RSC-E
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INTERNATIONAL SPACE STATION PROGRAM
PRESSURIZED MATING ADAPTER-1
TO RUSSIAN SEGMENT FGB INTERFACE CONTROL DOCUMENT PART 1
CONCURRENCE
december 2015 Concurred by:
KHSC
org signature
DATE
Concurred by:
KHSC
ORG
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DATE
Concurred by:
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iii
TABLE OF CONTENTS
| PARAGRAPH | PAGE | |
| 1.0 | INTRODUCTION | 1-1 |
| 1.1 | PURPOSE & SCOPE | 1-1 |
| 1.2 | PRECEDENCE | 1-1 |
| 1.3 | RESPONSIBILITY AND CHANGE AUTHORITY | 1-1 |
| 2.0 | DOCUMENTS | 2-1 |
| 2.1 | applicable documents | 2-1 |
| 2.2 | reference documents | 2-3 |
| 3.0 | INTERFACES | 3-1 |
| 3.1 | GENERAL | 3-1 |
| 3.1.1 | INTERFACE DESCRIPTION | 3-1 |
| 3.1.1.1 | PRESSURIZED MATING ADAPTER 1 DESCRIPTION | 3-1 |
| 3.1.1.2 | FGB DESCRIPTION | 3-1 |
| 3.1.1.3 | INTERFACE PLANE DESCRIPTION | 3-1 |
| 3.1.1.4 | COORDINATE SYSTEMS | 3-1 |
| 3.1.1.4.1 | SPACE STATION | 3-1 |
| 3.1.1.4.2 | INTERFACING ELEMENTS | 3-1 |
| 3.1.1.5 | UNITS | 3-8 |
| 3.1.1.5.1 | ENGINEERING UNITS | 3-8 |
| 3.1.1.5.2 | UNITS OF CONVERSION | 3-8 |
| 3.1.1.6 | PRESSURIZED MATING ADAPTER 1 INTERFACE FUNCTIONS | 3-8 |
| 3.1.1.7 | FGB INTERFACE FUNCTIONS | 3-8 |
| 3.1.2 | INTERFACE RESPONSIBILITIES | 3-9 |
| 3.1.2.1 | RESPONSIBILITIES FOR PRESSURIZED MATING ADAPTER 1 | 3-9 |
| 3.1.2.2 | RESPONSIBILITY FOR FGB | 3-9 |
| 3.1.2.3 | RESPONSIBILITY FOR POWER UTILITY CONNECTORS | 3-9 |
| 3.2 | INTERFACE REQUIREMENTS | 3-9 |
| 3.2.1 | PRESSURIZED MATING ADAPTER 1 INTERFACE REQUIREMENTS | 3-9 |
| 3.2.1.1 | ENVELOPE REQUIREMENTS | 3-9 |
| 3.2.1.1.1 | ENVELOPE | 3-9 |
| 3.2.1.1.2 | RESERVED VOLUMES | 3-10 |
| 3.2.1.2 | STRUCTURAL/MECHANICAL ATTACHMENT | 3-10 |
| 3.2.1.2.1 | STRUCTURAL LOADS AT THE INTERFACE PLANE | 3-10 |
| 3.2.1.2.2 | DOCKING/ATTACHMENT MECHANISM | 3-11 |
| 3.2.1.2.3 | INTERCONNECTING UTILITY HARDWARE | 3-11 |
| 3.2.1.2.3.1 | ACCESSIBILITY | 3-11 |
| 3.2.1.2.3.2 | REDUNDANCY | 3-11 |
| 3.2.1.2.3.3 | ELECTRICAL CONNECTORS | 3-11 |
| 3.2.1.2.3.4 | FLUID FITTINGS | 3-11 |
| 3.2.1.2.3.5 | UTILITY CABLE SPECIFICATIONS | 3-12 |
| 3.2.1.2.3.5.1 | POWER CABLE SPECIFICATIONS | 3-12 |
| 3.2.1.2.4 | PASSIVE THERMAL REQUIREMENTS AT THE PMA-1 INTERFACE PLANE | 3-12 |
| 3.2.1.2.5 | PMA-1 ACCESS/PASSAGEWAY | 3-12 |
| 3.2.1.2.6 | ATMOSPHERIC SEALS | 3-13 |
| 3.2.1.2.6.1 | SEAL LEAKAGE | 3-13 |
| 3.2.1.2.6.2 | SEAL MONITORING | 3-13 |
| 3.2.1.2.7 | BERTHING/MATING AIDS | 3-13 |
| 3.2.1.2.8 | EVA TRANSLATION AIDS | 3-13 |
| 3.2.1.3 | FLUID INTERFACES | 3-13 |
| 3.2.1.3.1 | RECEIVE INTERMODULE ATMOSPHERE | 3-13 |
| 3.2.1.3.1.1 | INTERMODULE ATMOSPHERE CHARACTERISTICS | 3-13 |
| 3.2.1.3.1.1.1 | INTERMODULE ATMOSPHERE RECEIVE TEMPERATURE | 3-13 |
| 3.2.1.3.1.1.2 | INTERMODULE ATMOSPHERE RECEIVE RATE | 3-13 |
| 3.2.1.3.1.1.3 | INTERMODULE ATMOSPHERE RECEIVE HUMIDITY | 3-13 |
| 3.2.1.3.1.1.4 | INTERMODULE ATMOSPHERE RECEIVE AVAILABILITY | 3-13 |
| 3.2.1.3.2 | RETURN INTERMODULE ATMOSPHERE | 3-13 |
| 3.2.1.3.2.1 | INTERMODULE ATMOSPHERE CHARACTERISTICS | 3-14 |
| 3.2.1.3.2.1.1 | INTERMODULE ATMOSPHERE RETURN TEMPERATURE | 3-14 |
| 3.2.1.3.2.1.2 | INTERMODULE ATMOSPHERE RETURN RATE | 3-14 |
| 3.2.1.3.2.1.3 | INTERMODULE ATMOSPHERE RETURN HUMIDITY | 3-14 |
| 3.2.1.3.2.2 | INTERMODULE ATMOSPHERE RETURN AVAILABILITY | 3-14 |
| 3.2.1.3.2.3 | INTERFACE PRESSURE EQUALIZATION | 3-14 |
| 3.2.1.4 | ELECTRICAL INTERFACES | 3-14 |
| 3.2.1.4.1 | TRANSFER POWER TO RUSSIAN SEGMENT (RS) | 3-15 |
| 3.2.1.4.1.1 | OUTPUT OPERATING VOLTAGE | 3-18 |
| 3.2.1.4.1.1.1 | PMA-1A AND PMA-1D | 3-18 |
| 3.2.1.4.1.1.2 | PMA-1C, PMA-1D, PMA-1E, and PMA-1F | 3-18 |
| 3.2.1.4.1.2 | OUTPUT OFF VOLTAGE | 3-18 |
| 3.2.1.4.1.3 | OUTPUT VOLTAGE TRANSIENT | 3-18 |
| 3.2.1.4.1.3.1 | PMA-1A and PMA-1B | 3-18 |
| 3.2.1.4.1.3.2 | PMA-1C, pma-1d, pma-1e, AND pma-1f | 3-18 |
| 3.2.1.4.1.4 | OUTPUT VOLTAGE RIPPLE AND NOISE | 3-18 |
| 3.2.1.4.1.5 | OUTPUT VOLTAGE SPECTRUM | 3-20 |
| 3.2.1.4.1.5.1 | PMA-1A AND PMA-1B | 3-20 |
| 3.2.1.4.1.5.2 | PMA-1C, pma-1d, pma-1e, AND pma-1f | 3-21 |
| 3.2.1.4.1.6 | OVERVOLTAGE PROTECTION | 3-22 |
| 3.2.1.4.1.7 | RATED CURRENT | 3-22 |
| 3.2.1.4.1.7.1 | RATED CURRENT PMA-1A and PMA-1B | 3-22 |
| 3.2.1.4.1.7.2 | Rated Current PMA-1C, PMA-1D, pma-1e, AND pma-1f | 3-22 |
| 3.2.1.4.1.8 | OVERCURRENT PROTECTION | 3-22 |
| 3.2.1.4.1.8.1 | PMA-1A and PMA-1B | 3-22 |
| 3.2.1.4.1.8.2 | PMA-1C, pma-1d, pma-1e, AND pma-1f | 3-23 |
| 3.2.1.4.1.9 | SOURCE IMPEDANCE | 3-23 |
| 3.2.1.4.1.10 | RETURN GROUNDING | 3-24 |
| 3.2.1.4.1.11 | FAULT CURRENT RETURN | 3-24 |
| 3.2.1.4.1.12 | SOFT TURN ON/OFF- PMA-1A-A, PMA-1A-B, PMA-1B-A, and PMA-1B-B | 3-24 |
| 3.2.1.5 | ELECTRONIC INTERFACES | 3-24 |
| 3.2.1.5.1 | AUDIO DATA | 3-24 |
| 3.2.1.5.1.1 | AUDIO DATA CHANNEL CHARACTERISTICS | 3-25 |
| 3.2.1.5.1.1.1 | AUDIO SIGNAL RECEIVE CHARACTERISTICS | 3-25 |
| 3.2.1.5.1.1.2 | AUDIO SIGNAL TRANSMIT CHARACTERISTICS | 3-26 |
| 3.2.1.5.1.2 | AUDIO DATA SERVICE AVAILABILITY | 3-26 |
| 3.2.1.5.1.3 | PMA-1 AUDIO KEYING CHARACTERISTICS | 3-26 |
| 3.2.1.5.1.3.1 | PMA-1 LOUD ANNUNCIATION AUDIO KEYING TO THE FGB | 3-26 |
| 3.2.1.5.1.3.2 | PMA-1 LOUD ANNUNCIATION AUDIO KEYING FROM THE FGB | 3-26 |
| 3.2.1.5.2 | VIDEO DATA BUS | 3-27 |
| 3.2.1.5.3 | COMMAND DATA HANDLING GENERAL DESCRIPTION | 3-27 |
| 3.2.1.5.3.1 | SSMB COMMAND AND CONTROL BUSES INTERFACE | 3-28 |
| 3.2.1.5.3.1.1 | SSMB COMMAND AND CONTROL BUSES INTERFACE AVAILABILITY | 3-28 |
| 3.2.1.5.3.2 | GUIDANCE NAVIGATION AND CONTROL LOCAL BUSES INTERFACE | 3-28 |
| 3.2.1.5.3.2.1 | GN&C LOCAL BUSES INTERFACE AVAILABILITY | 3-29 |
| 3.2.1.5.3.3 | CREW HEALTH CARE SYSTEM LOCAL BUS INTERFACE | 3-29 |
| 3.2.1.5.3.3.1 | CHeCS LOCAL BUS INTERFACE AVAILABILITY | 3-29 |
| 3.2.1.5.3.4 | NODE 1 STARTUP LOCAL BUS INTERFACE | 3-29 |
| 3.2.1.5.3.4.1 | NODE 1 STARTUP LOCAL BUS INTERFACE AVAILABILITY | 3-30 |
| 3.2.1.5.3.5 | Deleted | 3-30 |
| 3.2.1.5.3.6 | U.S. PORTABLE COMPUTER SYSTEM HOOK-UP POINTS | 3-30 |
| 3.2.1.5.3.7 | mil-std-1553 PMA-1 interfaces | 3-30 |
| 3.2.1.5.3.7.1 | PROVIDE OUTPUT AMPLITUDE | 3-30 |
| 3.2.1.5.4 | JSL interfaces | 3-30 |
| 3.2.1.6 | SOFTWARE INTERFACES | 3-31 |
| 3.2.1.7 | ENVIRONMENTS | 3-31 |
| 3.2.1.7.1 | ELECTROMAGNETIC EFFECTS | 3-31 |
| 3.2.1.7.1.1 | ELECTROMAGNETIC COMPATIBILITY | 3-31 |
| 3.2.1.7.1.2 | ELECTROMAGNETIC INTERFERENCE | 3-31 |
| 3.2.1.7.1.3 | GROUNDING | 3-31 |
| 3.2.1.7.1.4 | BONDING | 3-31 |
| 3.2.1.7.1.5 | CABLE AND WIRE DESIGN | 3-31 |
| 3.2.1.7.1.6 | ELECTROSTATIC DISCHARGE | 3-31 |
| 3.2.1.7.1.7 | CORONA | 3-32 |
| 3.2.1.7.2 | THERMAL | 3-32 |
| 3.2.1.7.3 | ACOUSTIC | 3-32 |
| 3.2.1.7.4 | STRUCTURAL LOADS | 3-32 |
| 3.2.1.7.4.1 | QUASI-STATIC ON-ORBIT TRANSIENT INTERFACE LOADS | 3-32 |
| 3.2.2 | FGB INTERFACE REQUIREMENTS | 3-33 |
| 3.2.2.1 | FGB ENVELOPE REQUIREMENTS | 3-33 |
| 3.2.2.1.1 | FGB ENVELOPE | 3-33 |
| 3.2.2.1.1.1 | FGB RESERVED VOLUMES | 3-34 |
| 3.2.2.1.2 | FGB STOWAGE VOLUMES | 3-34 |
| 3.2.2.2 | FGB STRUCTURAL/MECHANICAL ATTACHMENT | 3-35 |
| 3.2.2.2.1 | FGB STRUCTURAL LOADS AT THE INTERFACE PLANE | 3-35 |
| 3.2.2.2.2 | FGB DOCKING/ATTACHMENT MECHANISMS | 3-35 |
| 3.2.2.2.3 | FGB INTERCONNECTING UTILITY HARDWARE | 3-35 |
| 3.2.2.2.3.1 | FGB ACCESSIBILITY | 3-35 |
| 3.2.2.2.3.2 | FGB REDUNDANCY | 3-35 |
| 3.2.2.2.3.3 | FGB ELECTRICAL CONNECTORS | 3-35 |
| 3.2.2.2.3.4 | FGB FLUID FITTINGS | 3-35 |
| 3.2.2.2.3.5 | FGB UTILITY CABLE SPECIFICATIONS | 3-35 |
| 3.2.2.2.3.5.1 | FGB POWER CABLE SPECIFICATIONS | 3-35 |
| 3.2.2.2.4 | PASSIVE THERMAL REQUIREMENTS AT THE FGB INTERFACE PLANE | 3-36 |
| 3.2.2.2.5 | FGB ACCESS/PASSAGEWAY | 3-36 |
| 3.2.2.2.6 | FGB ATMOSPHERIC SEALS | 3-36 |
| 3.2.2.2.6.1 | FGB SEAL LEAKAGE | 3-36 |
| 3.2.2.2.6.2 | FGB SEAL MONITORING | 3-36 |
| 3.2.2.2.7 | FGB BERTHING/MATING AIDS | 3-36 |
| 3.2.2.2.8 | FGB EVA TRANSLATION AIDS | 3-36 |
| 3.2.2.3 | FGB FLUID INTERFACES | 3-36 |
| 3.2.2.3.1 | FGB SUPPLY INTERMODULE ATMOSPHERE | 3-36 |
| 3.2.2.3.1.1 | FGB INTERMODULE ATMOSPHERE SUPPLY TEMPERATURE | 3-36 |
| 3.2.2.3.1.2 | FGB INTERMODULE ATMOSPHERE SUPPLY RATE | 3-36 |
| 3.2.2.3.1.3 | FGB INTERMODULE ATMOSPHERE SUPPLY HUMIDITY | 3-36 |
| 3.2.2.3.1.4 | FGB INTERMODULE ATMOSPHERE PRESSURE DROP | 3-37 |
| 3.2.2.3.1.5 | FGB INTERMODULE ATMOSPHERE SUPPLY AVAILABILITY | 3-37 |
| 3.2.2.3.2 | FGB RECEIVE RETURN INTERMODULE ATMOSPHERE | 3-37 |
| 3.2.2.3.2.1 | FGB INTERMODULE ATMOSPHERE CHARACTERISTICS | 3-37 |
| 3.2.2.3.2.1.1 | FGB INTERMODULE ATMOSPHERE RECEIVE RETURN TEMPERATURE | 3-37 |
| 3.2.2.3.2.1.2 | FGB INTERMODULE ATMOSPHERE RECEIVE RETURN RATE | 3-37 |
| 3.2.2.3.2.1.3 | FGB INTERMODULE ATMOSPHERE RECEIVE RETURN HUMIDITY | 3-37 |
| 3.2.2.3.2.2 | FGB INTERMODULE ATMOSPHERE RECEIVE RETURN AVAILABILITY | 3-37 |
| 3.2.2.3.2.3 | INTERFACE PRESSURE EQUALIZATION | 3-37 |
| 3.2.2.4 | FGB ELECTRICAL INTERFACES | 3-37 |
| 3.2.2.4.1 | RECEIVE POWER FROM USOS | 3-37 |
| 3.2.2.4.1.1 | OPERATING VOLTAGES | 3-38 |
| 3.2.2.4.1.2 | Non-operating voltages | 3-38 |
| 3.2.2.4.2 | LOAD IMPEDANCE | 3-38 |
| 3.2.2.4.3 | MAXIMUM LOAD CHANGE | 3-39 |
| 3.2.2.4.4 | INRUSH CURRENT | 3-39 |
| 3.2.2.4.4.1 | PMA-1A and PMA-1B | 3-39 |
| 3.2.2.4.4.2 | PMA-1C, pma-1d, pma-1e, AND pma-1f | 3-39 |
| 3.2.2.4.4.2.1 | INRUSH CURRENT RATE OF CHANGE | 3-40 |
| 3.2.2.4.5 | REVERSE ENERGY PMA-1A and PMA-1B | 3-40 |
| 3.2.2.4.6 | REVERSE CURRENT PMA-1A and PMA-1B | 3-40 |
| 3.2.2.4.7 | REVERSE CURRENT FOR PMA-1C, PMA-1D, PMA-1E, AND PMA-1F | 3-40 |
| 3.2.2.4.8 | SURGE CURRENT | 3-40 |
| 3.2.2.4.9 | LOAD ISOLATION | 3-40 |
| 3.2.2.4.9.1 | POWER TO GROUND ISOLATION | 3-40 |
| 3.2.2.4.9.2 | RETURN TO GROUND ISOLATION | 3-41 |
| 3.2.2.4.10 | MULTIPLE POWER FEEDERS ISOLATION | 3-41 |
| 3.2.2.4.10.1 | LIMITS ON ISOLATION | 3-41 |
| 3.2.2.4.10.2 | ISOLATION FAULT TOLERANCE | 3-41 |
| 3.2.2.4.11 | Non-Normal Operation | 3-41 |
| 3.2.2.4.12 | COMMON MODE NOISE VOLTAGES AND CURRENTS | 3-41 |
| 3.2.2.4.12.1 | COMMON MODE VOLTAGE | 3-41 |
| 3.2.2.4.12.2 | COMMON MODE CURRENT | 3-41 |
| 3.2.2.4.12.3 | COMMON MODE SPIKE | 3-41 |
| 3.2.2.5 | FGB ELECTRONIC INTERFACES | 3-42 |
| 3.2.2.5.1 | FGB AUDIO DATA | 3-42 |
| 3.2.2.5.1.1 | FGB AUDIO DATA CHANNEL CHARACTERISTICS | 3-42 |
| 3.2.2.5.1.1.1 | AUDIO SIGNAL RECEIVE CHARACTERISTICS | 3-42 |
| 3.2.2.5.1.1.2 | AUDIO SIGNAL TRANSMIT CHARACTERISTICS | 3-42 |
| 3.2.2.5.1.2 | FGB AUDIO DATA SERVICE AVAILABILITY | 3-42 |
| 3.2.2.5.1.3 | FGB AUDIO KEYING CHARACTERISTICS | 3-43 |
| 3.2.2.5.1.3.1 | FGB LOUD ANNUNCIATION AUDIO KEYING TO THE PMA-1 | 3-43 |
| 3.2.2.5.1.3.2 | FGB LOUD ANNUNCIATION AUDIO KEYING FROM THE PMA-1 | 3-43 |
| 3.2.2.5.2 | FGB VIDEO DATA BUS | 3-43 |
| 3.2.2.5.2.1 | FGB VIDEO DATA CHANNEL CHARACTERISTICS | 3-43 |
| 3.2.2.5.2.2 | FGB VIDEO DATA BUS bandwidth | 3-43 |
| 3.2.2.5.2.3 | FGB VIDEO DATA BUS SERVICE AVAILABILITY | 3-43 |
| 3.2.2.5.3 | COMMAND DATA HANDLING GENERAL DESCRIPTION | 3-44 |
| 3.2.2.5.3.1 | SSMB COMMAND AND CONTROL BUSES INTERFACE | 3-44 |
| 3.2.2.5.3.1.1 | SSMB COMMAND AND CONTROL BUSES INTERFACE AVAILABILITY | 3-44 |
| 3.2.2.5.3.2 | GUIDANCE NAVIGATION AND CONTROL LOCAL BUSES INTERFACE | 3-44 |
| 3.2.2.5.3.2.1 | GN&C LOCAL BUSES INTERFACE AVAILABILITY | 3-44 |
| 3.2.2.5.3.3 | CREW HEALTH CARE SYSTEM LOCAL BUS INTERFACE | 3-44 |
| 3.2.2.5.3.3.1 | CHeCS LOCAL BUS INTERFACE AVAILABILITY | 3-45 |
| 3.2.2.5.3.4 | NODE 1 STARTUP LOCAL BUS INTERFACE | 3-45 |
| 3.2.2.5.3.4.1 | NODE 1 STARTUP LOCAL BUS INTERFACE AVAILABILITY | 3-45 |
| 3.2.2.5.3.5 | Deleted | 3-45 |
| 3.2.2.5.3.6 | U.S. PORTABLE COMPUTER SYSTEM HOOK-UP POINTS | 3-45 |
| 3.2.2.5.3.7 | mil-std-1553 FGB interfaces | 3-45 |
| 3.2.2.5.3.7.1 | provide output amplitude | 3-45 |
| 3.2.2.6 | FGB SOFTWARE INTERFACES | 3-45 |
| 3.2.2.7 | FGB ENVIRONMENTS | 3-46 |
| 3.2.2.7.1 | FGB ELECTROMAGNETIC EFFECTS | 3-46 |
| 3.2.2.7.1.1 | FGB ELECTROMAGNETIC COMPATIBILITY | 3-46 |
| 3.2.2.7.1.2 | FGB ELECTROMAGNETIC INTERFERENCE | 3-46 |
| 3.2.2.7.1.3 | FGB GROUNDING | 3-46 |
| 3.2.2.7.1.4 | FGB BONDING | 3-46 |
| 3.2.2.7.1.5 | FGB CABLE AND WIRE DESIGN | 3-46 |
| 3.2.2.7.1.6 | FGB ELECTROSTATIC DISCHARGE | 3-46 |
| 3.2.2.7.1.7 | FGB CORONA | 3-46 |
| 3.2.2.7.2 | FGB THERMAL | 3-46 |
| 3.2.2.7.3 | FGB ACOUSTIC | 3-46 |
| 3.2.2.7.4 | FGB STRUCTURAL LOADS | 3-47 |
| 3.2.2.7.4.1 | FGB INTERFACE LOADS | 3-47 |
| 4.0 | INTERFACE QUALITY ASSURANCE PROVISIONS | 4-48 |
| 4.1 | VERIFICATION METHODS | 4-48 |
| 4.2 | INTERFACE VERIFICATION PROCESS | 4-48 |
| 4.2.1 | VERIFICATION RESPONSIBILITY | 4-48 |
| 4.3 | INTERFACE QUALITY CONFORMANCE VERIFICATIONS | 4-48 |
| 4.3.1 | INTERFACE VERIFICATION CHARACTERISTICS | 4-48 |
| 4.3.2 | PMA-1 TO FGB VERIFICATION REQUIREMENTS | 4-48 |
| 4.3.2.1 | PMA-1 INTERFACE VERIFICATION REQUIREMENTS | 4-48 |
| 4.3.2.1.1 | ENVELOPE REQUIREMENTS | 4-48 |
| 4.3.2.1.1.1 | ENVELOPE | 4-48 |
| 4.3.2.1.1.2 | RESERVED VOLUMES | 4-49 |
| 4.3.2.1.2 | STRUCTURAL/MECHANICAL ATTACHMENT | 4-49 |
| 4.3.2.1.2.1 | STRUCTURAL LOADS AT THE INTERFACE PLANE | 4-49 |
| 4.3.2.1.2.2 | DOCKING/ATTACHMENT MECHANISM | 4-49 |
| 4.3.2.1.2.3 | INTERCONNECTING UTILITY HARDWARE | 4-49 |
| 4.3.2.1.2.3.1 | ACCESSIBILITY | 4-49 |
| 4.3.2.1.2.3.2 | REDUNDANCY | 4-49 |
| 4.3.2.1.2.3.3 | ELECTRICAL CONNECTORS | 4-49 |
| 4.3.2.1.2.3.4 | FLUID FITTINGS | 4-49 |
| 4.3.2.1.2.3.5 | UTILITY CABLE SPECIFICATIONS | 4-49 |
| 4.3.2.1.2.3.5.1 | POWER CABLE SPECIFICATIONS | 4-49 |
| 4.3.2.1.2.4 | PASSIVE THERMAL REQUIREMENTS AT THE PMA-1 INTERFACE PLANE | 4-49 |
| 4.3.2.1.2.5 | PMA-1 ACCESS/PASSAGEWAY | 4-49 |
| 4.3.2.1.2.6 | ATMOSPHERIC SEALS | 4-50 |
| 4.3.2.1.2.6.1 | SEAL LEAKAGE | 4-50 |
| 4.3.2.1.2.6.2 | SEAL MONITORING | 4-50 |
| 4.3.2.1.2.7 | BERTHING/MATING AIDS | 4-50 |
| 4.3.2.1.2.8 | EVA TRANSLATION AIDS | 4-50 |
| 4.3.2.1.3 | FLUID INTERFACES | 4-50 |
| 4.3.2.1.3.1 | RECEIVE INTERMODULE ATMOSPHERE | 4-50 |
| 4.3.2.1.3.1.1 | INTERMODULE ATMOSPHERE CHARACTERISTICS | 4-51 |
| 4.3.2.1.3.1.1.1 | INTERMODULE ATMOSPHERE RECEIVE TEMPERATURE | 4-51 |
| 4.3.2.1.3.1.1.2 | INTERMODULE ATMOSPHERE RECEIVE RATE | 4-51 |
| 4.3.2.1.3.1.1.3 | INTERMODULE ATMOSPHERE RECEIVE HUMIDITY | 4-51 |
| 4.3.2.1.3.1.1.4 | INTERMODULE ATMOSPHERE RECEIVE AVAILABILITY | 4-51 |
| 4.3.2.1.3.2 | RETURN INTERMODULE ATMOSPHERE | 4-51 |
| 4.3.2.1.3.2.1 | INTERMODULE ATMOSPHERE CHARACTERISTICS | 4-51 |
| 4.3.2.1.3.2.1.1 | INTERMODULE ATMOSPHERE RETURN TEMPERATURE | 4-51 |
| 4.3.2.1.3.2.1.2 | INTERMODULE ATMOSPHERE RETURN RATE | 4-51 |
| 4.3.2.1.3.2.1.3 | INTERMODULE ATMOSPHERE RETURN HUMIDITY | 4-51 |
| 4.3.2.1.3.2.2 | INTERMODULE ATMOSPHERE RETURN AVAILABILITY | 4-51 |
| 4.3.2.1.3.2.3 | INTERFACE PRESSURE EQUALIZATION | 4-51 |
| 4.3.2.1.4 | ELECTRICAL INTERFACES | 4-51 |
| 4.3.2.1.4.1 | TRANSFER POWER TO RUSSIAN SEGMENT (RS) | 4-51 |
| 4.3.2.1.4.1.1 | OUTPUT OPERATING VOLTAGE | 4-51 |
| 4.3.2.1.4.1.1.1 | PMA-1A AND PMA-1B | 4-51 |
| 4.3.2.1.4.1.1.2 | PMA-1 , PMA-1D, PMA-1E, AND PMA-1F | 4-52 |
| 4.3.2.1.4.1.2 | OUTPUT OFF VOLTAGE | 4-52 |
| 4.3.2.1.4.1.3 | OUTPUT VOLTAGE TRANSIENT | 4-52 |
| 4.3.2.1.4.1.3.1 | PMA-1A AND PMA-1B | 4-52 |
| 4.3.2.1.4.1.3.2 | PMA-1C, PMA-1D, PMA-1E, AND PMA-1F | 4-52 |
| 4.3.2.1.4.1.4 | OUTPUT VOLTAGE RIPPLE AND NOISE | 4-52 |
| 4.3.2.1.4.1.5 | OUTPUT VOLTAGE SPECTRUM | 4-52 |
| 4.3.2.1.4.1.5.1 | PMA-1A AND PMA-1B | 4-52 |
| 4.3.2.1.4.1.5.2 | PMA-1C, PMA-1D, PMA-1E, AND PMA-1F | 4-53 |
| 4.3.2.1.4.1.6 | OVERVOLTAGE PROTECTION | 4-53 |
| 4.3.2.1.4.1.7 | RATED CURRENT | 4-53 |
| 4.3.2.1.4.1.7.1 | Rated Current PMA-1A and PMA-1B | 4-53 |
| 4.3.2.1.4.1.7.2 | Rated Current PMA-1C, PMA-1D, PMA-1E, and PMA-1FInspection | 4-53 |
| 4.3.2.1.4.1.8 | OVERCURRENT PROTECTION | 4-53 |
| 4.3.2.1.4.1.8.1 | PMA-1A AND PMA-1B | 4-53 |
| 4.3.2.1.4.1.8.2 | PMA-1C, PMA-1D, PMA-1E, AND PMA-1F | 4-53 |
| 4.3.2.1.4.1.9 | SOURCE IMPEDANCE | 4-53 |
| 4.3.2.1.4.1.10 | RETURN GROUNDING | 4-54 |
| 4.3.2.1.4.1.11 | FAULT CURRENT RETURN | 4-54 |
| 4.3.2.1.4.1.12 | SOFT TURN ON/OFF- PMA-1A-A, PMA-1A-B, PMA-1B-A, and PMA-1B-B | 4-54 |
| 4.3.2.1.4.1.13 | Non-operating voltage | 4-54 |
| 4.3.2.1.4.1.14 | Non-Normal Operation | 4-54 |
| 4.3.2.1.5 | ELECTRONIC INTERFACES | 4-54 |
| 4.3.2.1.5.1 | AUDIO DATA | 4-54 |
| 4.3.2.1.5.1.1 | AUDIO DATA CHANNEL CHARACTERISTICS | 4-54 |
| 4.3.2.1.5.1.1.1 | AUDIO SIGNAL RECEIVE CHARACTERISTICS | 4-54 |
| 4.3.2.1.5.1.1.2 | AUDIO SIGNAL TRANSMIT CHARACTERISTICS | 4-54 |
| 4.3.2.1.5.1.2 | AUDIO DATA SERVICE AVAILABILITY | 4-55 |
| 4.3.2.1.5.1.3 | PMA-1 AUDIO KEYING CHARACTERISTICS | 4-55 |
| 4.3.2.1.5.1.3.1 | PMA-1 LOUD ANNUNCIATION AUDIO KEYING TO THE FGB | 4-55 |
| 4.3.2.1.5.1.3.2 | PMA-1 LOUD ANNUNCIATION AUDIO KEYING FROM THE FGB | 4-55 |
| 4.3.2.1.5.2 | VIDEO DATA BUS | 4-55 |
| 4.3.2.1.5.3 | COMMAND DATA HANDLING GENERAL DESCRIPTION | 4-55 |
| 4.3.2.1.5.3.1 | SSMB COMMAND AND CONTROL BUSES INTERFACE | 4-55 |
| 4.3.2.1.5.3.1.1 | SSMB COMMAND AND CONTROL BUSES INTERFACE AVAILABILITY | 4-56 |
| 4.3.2.1.5.3.2 | GUIDANCE NAVIGATION AND CONTROL LOCAL BUSES INTERFACE | 4-56 |
| 4.3.2.1.5.3.2.1 | GN&C LOCAL BUSES INTERFACE AVAILABILITY | 4-56 |
| 4.3.2.1.5.3.3 | CREW HEALTH CARE SYSTEM LOCAL BUS INTERFACE | 4-56 |
| 4.3.2.1.5.3.3.1 | CHeCS LOCAL BUS INTERFACE AVAILABILITY | 4-57 |
| 4.3.2.1.5.3.4 | NODE 1 STARTUP LOCAL BUS INTERFACE | 4-57 |
| 4.3.2.1.5.3.4.1 | NODE 1 STARTUP LOCAL BUS INTERFACE AVAILABILITY | 4-57 |
| 4.3.2.1.5.3.5 | DELETED | 4-58 |
| 4.3.2.1.5.3.6 | U.S. PORTABLE COMPUTER SYSTEM HOOK-UP POINTS | 4-58 |
| 4.3.2.1.5.3.7 | MIL-STD-1553 FGB INTERFACES | 4-58 |
| 4.3.2.1.5.3.7.1 | PROVIDE OUTPUT AMPLITUDE | 4-58 |
| 4.3.2.1.5.4 | jsl interfaces | 4-58 |
| 4.3.2.1.6 | SOFTWARE INTERFACES | 4-58 |
| 4.3.2.1.7 | ENVIRONMENTS | 4-58 |
| 4.3.2.1.7.1 | ELECTROMAGNETIC EFFECTS | 4-58 |
| 4.3.2.1.7.1.1 | ELECTROMAGNETIC COMPATIBILITY | 4-58 |
| 4.3.2.1.7.1.2 | ELECTROMAGNETIC INTERFERENCE | 4-58 |
| 4.3.2.1.7.1.3 | GROUNDING | 4-59 |
| 4.3.2.1.7.1.4 | BONDING | 4-59 |
| 4.3.2.1.7.1.5 | CABLE AND WIRE DESIGN | 4-59 |
| 4.3.2.1.7.1.6 | ELECTROSTATIC DISCHARGE | 4-59 |
| 4.3.2.1.7.1.7 | CORONA | 4-59 |
| 4.3.2.1.7.2 | THERMAL | 4-59 |
| 4.3.2.1.7.3 | ACOUSTIC | 4-59 |
| 4.3.2.1.7.4 | STRUCTURAL LOADS | 4-59 |
| 4.3.2.1.7.4.1 | INTERFACE LOADS | 4-59 |
| 4.3.2.2 | FGB INTERFACE VERIFICATION REQUIREMENTS | 4-59 |
| 4.3.2.2.1 | FGB ENVELOPE REQUIREMENTS | 4-59 |
| 4.3.2.2.1.1 | FGB ENVELOPE | 4-59 |
| 4.3.2.2.1.1.1 | FGB RESERVED VOLUMES | 4-59 |
| 4.3.2.2.1.2 | FGB STOWAGE VOLUMES | 4-59 |
| 4.3.2.2.2 | FGB STRUCTURAL/MECHANICAL ATTACHMENT | 4-60 |
| 4.3.2.2.2.1 | FGB STRUCTURAL LOADS AT THE INTERFACE PLANE | 4-60 |
| 4.3.2.2.2.2 | FGB DOCKING/ATTACHMENT MECHANISMS | 4-60 |
| 4.3.2.2.2.3 | FGB INTERCONNECTING UTILITY HARDWARE | 4-60 |
| 4.3.2.2.2.3.1 | FGB ACCESSIBILITY | 4-60 |
| 4.3.2.2.2.3.2 | FGB REDUNDANCY | 4-60 |
| 4.3.2.2.2.3.3 | FGB ELECTRICAL CONNECTORS | 4-60 |
| 4.3.2.2.2.3.4 | FGB FLUID FITTINGS | 4-60 |
| 4.3.2.2.2.3.5 | FGB UTILITY CABLE SPECIFICATIONS | 4-60 |
| 4.3.2.2.2.3.5.1 | FGB POWER CABLE SPECIFICATIONS | 4-60 |
| 4.3.2.2.2.4 | PASSIVE THERMAL REQUIREMENTS AT THE FGB INTERFACE PLANE | 4-60 |
| 4.3.2.2.2.5 | FGB ACCESS/PASSAGEWAY | 4-60 |
| 4.3.2.2.2.6 | FGB ATMOSPHERIC SEALS | 4-61 |
| 4.3.2.2.2.6.1 | FGB SEAL LEAKAGE | 4-61 |
| 4.3.2.2.2.6.2 | FGB SEAL MONITORING | 4-61 |
| 4.3.2.2.2.7 | FGB BERTHING/MATING AIDS | 4-61 |
| 4.3.2.2.2.8 | FGB EVA TRANSLATION AIDS | 4-61 |
| 4.3.2.2.3 | FGB FLUID INTERFACES | 4-61 |
| 4.3.2.2.3.1 | FGB SUPPLY INTERMODULE ATMOSPHERE | 4-61 |
| 4.3.2.2.3.1.1 | FGB INTERMODULE ATMOSPHERE SUPPLY TEMPERATURE | 4-62 |
| 4.3.2.2.3.1.2 | FGB INTERMODULE ATMOSPHERE SUPPLY RATE | 4-62 |
| 4.3.2.2.3.1.3 | FGB INTERMODULE ATMOSPHERE SUPPLY HUMIDITY | 4-62 |
| 4.3.2.2.3.1.4 | FGB INTERMODULE ATMOSPHERE PRESSURE DROP | 4-62 |
| 4.3.2.2.3.1.5 | FGB INTERMODULE ATMOSPHERE SUPPLY AVAILABILITY | 4-62 |
| 4.3.2.2.3.2 | FGB RECEIVE RETURN INTERMODULE ATMOSPHERE | 4-62 |
| 4.3.2.2.3.2.1 | FGB INTERMODULE ATMOSPHERE CHARACTERISTICS | 4-62 |
| 4.3.2.2.3.2.1.1 | FGB INTERMODULE ATMOSPHERE RECEIVE RETURN TEMPERATURE | 4-62 |
| 4.3.2.2.3.2.1.2 | FGB INTERMODULE ATMOSPHERE RECEIVE RETURN RATE | 4-62 |
| 4.3.2.2.3.2.1.3 | FGB INTERMODULE ATMOSPHERE RECEIVE RETURN HUMIDITY | 4-62 |
| 4.3.2.2.3.2.2 | FGB INTERMODULE ATMOSPHERE RECEIVE RETURN AVAILABILITY | 4-62 |
| 4.3.2.2.3.3 | INTERFACE PRESSURE EQUALIZATION | 4-62 |
| 4.3.2.2.4 | FGB ELECTRICAL INTERFACES | 4-62 |
| 4.3.2.2.4.1 | RECEIVE POWER FROM USOS | 4-62 |
| 4.3.2.2.4.1.1 | OPERATING VOLTAGES | 4-63 |
| 4.3.2.2.4.1.2 | NON-OPERATING VOLTAGES | 4-63 |
| 4.3.2.2.4.2 | LOAD IMPEDANCE | 4-63 |
| 4.3.2.2.4.3 | MAXIMUM LOAD CHANGE | 4-63 |
| 4.3.2.2.4.4 | INRUSH CURRENT | 4-63 |
| 4.3.2.2.4.4.1 | PMA-1A and PMA-1B | 4-63 |
| 4.3.2.2.4.4.2 | PMA-1C, PMA-1D, PMA-1E, AND PMA-1F | 4-63 |
| 4.3.2.2.4.4.2.1 | INRUSH CURRENT RATE OF CHANGE | 4-63 |
| 4.3.2.2.4.5 | REVERSE ENERGY PMA-1A AND PMA-1B | 4-64 |
| 4.3.2.2.4.6 | REVERSE CURRENT PMA-1A and PMA-1B | 4-64 |
| 4.3.2.2.4.7 | REVERSE CURRENT FOR PMA-1C, PMA-1D, PMA-1E, and PMA-1F | 4-64 |
| 4.3.2.2.4.8 | SURGE CURRENT | 4-64 |
| 4.3.2.2.4.9 | LOAD ISOLATION | 4-64 |
| 4.3.2.2.4.9.1 | POWER TO GROUND ISOLATION | 4-64 |
| 4.3.2.2.4.9.2 | RETURN TO GROUND ISOLATION | 4-64 |
| 4.3.2.2.4.10 | MULTIPLE POWER FEEDERS ISOLATION | 4-64 |
| 4.3.2.2.4.10.1 | LIMITS ON ISOLATION | 4-64 |
| 4.3.2.2.4.10.2 | ISOLATION FAULT TOLERANCE | 4-64 |
| 4.3.2.2.4.11 | Non-Normal Operation | 4-65 |
| 4.3.2.2.4.12 | COMMON MODE NOISE VOLTAGES AND CURRENTS | 4-65 |
| 4.3.2.2.4.12.1 | COMMON MODE VOLTAGE | 4-65 |
| 4.3.2.2.4.12.2 | COMMON MODE CURRENT | 4-65 |
| 4.3.2.2.4.12.3 | COMMON MODE SPIKE | 4-65 |
| 4.3.2.2.5 | FGB ELECTRONIC INTERFACES | 4-65 |
| 4.3.2.2.5.1 | FGB AUDIO DATA | 4-65 |
| 4.3.2.2.5.1.1 | FGB AUDIO DATA CHANNEL CHARACTERISTICS | 4-65 |
| 4.3.2.2.5.1.1.1 | AUDIO SIGNAL RECEIVE CHARACTERISTICS | 4-65 |
| 4.3.2.2.5.1.1.2 | AUDIO SIGNAL TRANSMIT CHARACTERISTICS | 4-65 |
| 4.3.2.2.5.1.2 | FGB AUDIO DATA SERVICE AVAILABILITY | 4-66 |
| 4.3.2.2.5.1.3 | FGB AUDIO KEYING CHARACTERISTICS | 4-66 |
| 4.3.2.2.5.1.3.1 | FGB LOUD ANNUNCIATION AUDIO KEYING TO THE PMA-1 | 4-66 |
| 4.3.2.2.5.1.3.2 | FGB LOUD ANNUNCIATION AUDIO KEYING FROM THE PMA-1 | 4-66 |
| 4.3.2.2.5.2 | FGB VIDEO DATA BUS | 4-66 |
| 4.3.2.2.5.2.1 | FGB VIDEO DATA CHANNEL CHARACTERISTICS | 4-66 |
| 4.3.2.2.5.2.2 | FGB VIDEO DATA BUS BANDWIDTH | 4-66 |
| 4.3.2.2.5.2.3 | FGB VIDEO DATA BUS SERVICE AVAILABILITY | 4-66 |
| 4.3.2.2.5.3 | COMMAND DATA HANDLING GENERAL DESCRIPTION | 4-66 |
| 4.3.2.2.5.3.1 | SSMB COMMAND AND CONTROL BUSES INTERFACE | 4-67 |
| 4.3.2.2.5.3.1.1 | SSMB COMMAND AND CONTROL BUSES INTERFACE AVAILABILITY | 4-67 |
| 4.3.2.2.5.3.2 | GUIDANCE NAVIGATION AND CONTROL LOCAL BUSES INTERFACE | 4-67 |
| 4.3.2.2.5.3.2.1 | GN&C LOCAL BUSES INTERFACE AVAILABILITY | 4-68 |
| 4.3.2.2.5.3.3 | CREW HEALTH CARE SYSTEM LOCAL BUS INTERFACE | 4-68 |
| 4.3.2.2.5.3.3.1 | CHeCS LOCAL BUS INTERFACE AVAILABILITY | 4-68 |
| 4.3.2.2.5.3.4 | NODE 1 STARTUP LOCAL BUS INTERFACE | 4-69 |
| 4.3.2.2.5.3.4.1 | NODE 1 STARTUP LOCAL BUS INTERFACE AVAILABILITY | 4-69 |
| 4.3.2.2.5.3.5 | DELETED | 4-69 |
| 4.3.2.2.5.3.6 | U.S. PORTABLE COMPUTER SYSTEM HOOK-UP POINTS | 4-69 |
| 4.3.2.2.5.3.7 | MIL-STD-1553 INTERFACES | 4-69 |
| 4.3.2.2.5.3.7.1 | PROVIDE OUTPUT AMPLITUDE | 4-69 |
| 4.3.2.2.6 | FGB SOFTWARE INTERFACES | 4-70 |
| 4.3.2.2.7 | FGB ENVIRONMENTS | 4-70 |
| 4.3.2.2.7.1 | FGB ELECTROMAGNETIC EFFECTS | 4-70 |
| 4.3.2.2.7.1.1 | FGB ELECTROMAGNETIC COMPATIBILITY | 4-70 |
| 4.3.2.2.7.1.2 | FGB ELECTROMAGNETIC INTERFERENCE | 4-70 |
| 4.3.2.2.7.1.3 | FGB GROUNDING | 4-70 |
| 4.3.2.2.7.1.4 | FGB BONDING | 4-70 |
| 4.3.2.2.7.1.5 | FGB CABLE AND WIRE DESIGN | 4-70 |
| 4.3.2.2.7.1.6 | FGB ELECTROSTATIC DISCHARGE | 4-70 |
| 4.3.2.2.7.1.7 | FGB CORONA | 4-70 |
| 4.3.2.2.7.2 | FGB THERMAL | 4-70 |
| 4.3.2.2.7.3 | FGB ACOUSTIC | 4-70 |
| 4.3.2.2.7.4 | FGB STRUCTURAL LOADS | 4-70 |
| 4.3.2.2.7.4.1 | FGB INTERFACE LOADS | 4-70 |
APPENDIX
| a | Acronyms and abbreviations | a-1 |
| b | U.S. ON-ORBIT SEGMENT PRESSURIZED MATING ADAPTER-1 TO RUSSIAN SEGMENT FGB | b-i |
| c | electrical flight grapple fixture (efgf) to Russian Segment FGB | c-i |
| d | reserved | d-1 |
| e | reserved | e-1 |
| f | reserved | f-1 |
| g | FGB TO PDGF POWER AND DATA INTERFACES | g-i |
| h | FGB MODULE TO VIDEO SIGNAL CONVERTER INTERFACE | h-i |
| i | ECOMM/ORLAN CABL E ASSEMBLY INTERFACES | i-i |
| j | RESERVED | j-i |
TABLE
| 3.2.1.2.3.4-1 | FLUID FITTINGS/COUPLINGS | 3-11 |
| 3.2.1.7.4.1-1 | Quasi-Static Transient On-Orbit Structural Loads For Pressurized Mating Adapter 1 to FGB Interface | 3-32 |
| 3.2.1.7.4.1-2 | TRANSIENT LOADS SPECTRA FOR PRESSURIZED MATING ADAPTER-1 TO FGB INTERFACE | 3-33 |
| 4-1 | PMA-1 TO FGB INTERFACE VERIFICATION | 4-71 |
FIGURE
| 3.1.1-1 | PRESSURIZED MATING ADAPTER 1 to fgb On-orbit configuration | 3-2 | |
| 3.1.1-2 | PRESSURIZED MATING ADAPTER 1 TO FGB FUNCTIONAL INTERFACE DIAGRAM | 3-3 | |
| 3.1.1.3-1 | Pressurized Mating Adapter 1 to FGB Structural/Mechanical | ||
| Interface Plane | 3-4 | ||
| 3.1.1.3-2 | Pressurized Mating Adapter 1 to FGB Utility Interface | 3-5 | |
| 3.1.1.4.2-1 | PMA-1 Coordinate system | 3-6 | |
| 3.1.1.4.2-2 | FGB Coordinate system | 3-7 | |
| 3.2.1.1.1-1 | PMA-1 envelope limits | 3-10 | |
| 3.2.1.2.5-1 | pressurized mating adapter-1 to fgb access/ passageway envelope | 3-12 | |
| 3.2.1.4-1 | USOS TO RS ELECTRICAL INTERFACE | 3-15 | |
| 3.2.1.4.1-1 | USOS TO FGB Electrical Interface | 3-16 | |
| 3.2.1.4.1-2 | USOS TO SM/MLM ELECTRICAL INTERFACE | 3-17 | |
| 3.2.1.4.1.3.1-1 | OUTPUT VOLTAGE TRANSIENT ENVELOPE FOR PMA-1A AND PMA-1B | 3-19 | |
| 3.2.1.4.1.3.2-1 | OUTPUT VOLTAGE TRANSIENT ENVELOPE FOR PMA-1C, PMA-1D, PMA-1E, and PMA-1F | 3-20 | |
| 3.2.1.4.1.5.1-1 | U.S. OUTPUT RIPPLE VOLTAGE SPECTRUM (PMA-1A AND PMA1B) | 3-21 | |
| 3.2.1.4.1.5.2-1 | U.S. OUTPUT RIPPLE VOLTAGE SPECTRUM (PMA-1C, PMA-1D, PMA-1E, and | ||
| PMA-1F) | 3-22 | ||
| 3.2.1.4.1.9-1 | SOURCE IMPEDANCE Magnitude LIMITS AT THE PMA-1A-A, PMA-1A-B, PMA1B-A, AND PMA-1B-B, and C, D, E & F interface | 3-23 | |
| 3.2.1.4.1.9-2 | Source Impedance Phase Limits at the pma-1 interface (PMA-1A-A, | ||
| PMA-1A-B, PMA1B-A, AND PMA-1B-B) and C, D, E & F interface | 3-24 | ||
| 3.2.1.5.1-1 | USOS TO RS AUDIO AND VIDEO INTERFACES | 3-25 | |
| 3.2.1.5.3-1 | SSMB to RS Command and Data Handling Interface | 3-27 | |
| 3.2.2.1.1-1 | FGB Dynamic and Thermally Induced Envelope | 3-34 | |
| 3.2.2.4.2-1 | LOAD IMPEDANCE MAGNITUDE LIMITS AT THE PMA-1 INTERFACE | 3-38 | |
| 3.2.2.4.2-2 | LOAD IMPEDANCE PHASE LIMITS AT THE PMA-1 INTERFACE | 3-39 | |
| 3.2.2.4.4.2-1 | Power-On Inrush Current | 3-40 |
INTRODUCTION
PURPOSE & SCOPE
The purpose of this document is to provide definition of the structural/mechanical, electrical, fluid, environmental, communication and data interface functional requirements between United States On-orbit Segment (USOS) Pressurized Mating Adapter 1 (PMA-1) and Russian Segment Functional Cargo Block (FGB). The scope of this document is limited to the interfaces between PMA-1 and FGB at Six-Man Permanent Human Capability (PHC-6) configuration. All interim PMA-1 to FGB interfaces, that occur during build-up of the Space Station to PHC-6, are documented in Appendix B. Appendix C documents the requirements between the Electrical Flight Grapple Fixture and the FGB.
Appendices D, E and F are not in Part 1 of this ICD. These appendices are in Part 2 only.
PRECEDENCE
In the event of conflict between SSP 41163, Russian Segment Specification and the FGB requirements in this Interface Control Document (ICD), the requirements of this ICD shall take precedence.
In the event of conflict between SSP 41162, USOS Specification and the PMA-1 requirements in this ICD, the requirements of this ICD shall take precedence.
RESPONSIBILITY AND CHANGE AUTHORITY
SSP 42121 Part 1 Revision C This document is prepared and maintained in accordance with SSP 50135, International Space Station Interface Control Plan NASA/RSA. NASA’s Prime Contractor has prime responsibility for preparation and maintenance of this ICD.
1-1
DOCUMENTS
applicable documents The FGB requirements will reference the NASA/RSA Joint Specification/Standards document for the ISS. The PMA requirements will continue to reference the U.S. Standards.
The documents in this paragraph are applicable to the extent specified herein. Inclusion of applicable documents herein does not in any way supersede the order of precedence identified in paragraph 1.2. The references show where each applicable document is cited in this document.
| IEEE/ASTM SI 10-1997 |
| American National Standard for Use of the International System of Units (SI): The Modern Metric System- |
Reference Paragraph 3.1.1.5.2
MIL-STD-1553
Rev. B, CN-02 8 Sep 86 Digital Time Division Command/Response Multiplex Data Bus Reference Paragraph 3.2.1.5.3.1, 3.2.1.5.3.2, 3.2.1.5.3.3, 3.2.1.5.3.4,3.2.2.5.3.1, 3.2.2.5.3.2, 3.2.2.5.3.3, 3.2.2.5.3.4
| NAS 1922 |
| Clamp, Hose, Band, Tangential Worm, Light Weight |
Reference Table 3.2.1.2.3.4-1
| SAE-AS22759 |
| Wire, Electrical, Fluoropolymer-Insulated, Copper or Copper Alloy |
Reference paragraph 3.2.2.2.3.5.1
SSP 30219
Revision D, DCN 001 21 Jan 94 Space Station Reference Coordinate Systems Reference Paragraph 3.1.1.4.1
*SSP 30237
Revision D, DCN 005 12 Jun 98 Space Station Electromagnetic Emission and Susceptibility Requirements for Electromagnetic Compatibility Reference Paragraph 3.2.1.7.1.2
*SSP 30240
Revision B, DCN 001 3 Jun 94 Space Station Grounding Requirements Reference Paragraph 3.2.1.7.1.3, C3.2.1.4.1.1
*SSP 30242
Revision D, DCN 002 31 May 96 Space Station Cable/Wire Design and Control Requirements for Electromagnetic Compatibility Reference Paragraph 3.2.1.7.1.5
*SSP 30243
Revision E, DCN 003 9 June 98 Space Station Requirements for Electromagnetic Compatibility Reference Paragraph 3.2.1.7.1.1, 3.2.1.7.1.6, 3.2.1.7.1.7
*SSP 30245
Revision D, DCN’s 004/005 4 June 98 Space Station Electrical Bonding Requirement Reference Paragraph 3.2.1.7.1.4, C3.2.1.4.1.2
SSP 30256:001
Revision J 17 October 2012 Extravehicular Activity (EVA) Standard Interface Control Document Reference Paragraph G3.2.1.3.5
*SSP 50005
Revision B, DCN’s 001-006 9 Aug 95 International Space Station Flight Crew Standard Reference Paragraph 3.2.1.2.3.1, 3.2.1.7.3, C3.2.1.1.1.-2
SSP 50023
Revision Basic 15 April 94 International Space Station Program Thermal Control Plan Reference Paragraph 3.2.1.7.2
**SSP 50094
Current Issue NASA/RSA Joint Specificaton/Standards for the ISS Russian Segment
SSP 50097
Draft B December 15, 1998 SSMB to Russian Segment Software ICD Reference Paragraph 3.2.1.6, 3.2.2.6
SSQ 21635
Revision H, DCN’s 001, 011, 012, 013, 014, 015 1 Aug 97 General Specification for Connectors and Accessories, Electrical, Circular, Miniature, IVA/EVA/Robot Compatible, Space Quality Reference Paragraph 3.2.1.2.3.3, 3.2.2.2.3.3
| SSQ 21652 |
| Electric, Silicone-Insulated, Nickel-Coated Copper, Space Quality, General Specifications For |
Reference Paragraph 3.2.2.2.3.5.1
SSQ 22720
**(RM2432-001)
General Specification for Wire, Electrical, Extra Flexible Type, Radiation Crosslinked ETFE, Space Quality Reference Paragraph 3.2.1.2.3.5.1, 3.2.2.2.3.5.1
* DENOTES THE DOCUMENTS THAT ARE PART OF SSP 50094, NASA/RSA JOINT SPECIFICATION AND STANDARD ISSUE.
** ONLY APPLICABLE TO THE FGB
reference documents The following documents contain supplemental information to guide the user in the application of this document. These reference documents may or may not be specifically cited within the text of this document.
| SSP 41162 |
| International Space Station Program United States On-orbit Segment Specification |
| SSP 41163 |
| International Space Station Program Russian Segment Specification |
| SSP 50135 |
| International Space Station Interface Control Plan - NASA/RSA |
2-2
INTERFACES
GENERAL
INTERFACE DESCRIPTION
The PMA-1 to FGB on-orbit configuration is shown in Figure 3.1.1-1, Pressurized Mating Adapter 1 to FGB On-Orbit Configuration. The PMA-1 to FGB functional interface diagram is shown in Figure 3.1.1-2, Pressurized Mating Adapter 1 to Russian Segment Functional Interface Diagram. PMA-1 and FGB are connected structurally by the Androgynous Peripheral Assembling System (APAS).
PRESSURIZED MATING ADAPTER 1 DESCRIPTION
The PMA-1 is a pressurized element which provides for crew passage in a shirt sleeve environment. The PMA-1 contains the capability to support power, air, data, and audio utilities. The PMA-1 accommodates the structural/mechanical interface to the FGB.
FGB DESCRIPTION
The FGB provides ports for attaching Russian and U.S. modules. The FGB contains the capability to support power, fluid, air, data, video, and audio utilities. The FGB accommodates the structural/mechanical interface to the PMA-1.
INTERFACE PLANE DESCRIPTION
The structural and mechanical interface is at the plane between the FGB/Passive and PMA-1/Active APAS as shown in Figure 3.1.1.3-1, Pressurized Mating Adapter 1 to FGB Structural / Mechanical Interface Plane. The PMA-1 to FGB utility interface planes are shown in Figure 3.1.1.3-2, Pressurized Mating Adapter 1 to FGB Utility Interface Planes.
COORDINATE SYSTEMS
SPACE STATION
The Space Station coordinate system is defined in SSP 30219, Space Station Reference Coordinate Systems.
INTERFACING ELEMENTS
The PMA-1 coordinate system is as shown in Figure 3.1.1.4.2-1 The FGB coordinate system is shown in Figure 3.1.1.4.2-2, Russian Segment Coordinate System.
FIGURE 3.1.1-1 PRESSURIZED MATING ADAPTER 1 to fgb On-orbit configuration
FIGURE 3.1.1-2 PRESSURIZED MATING ADAPTER 1 TO FGB
FUNCTIONAL INTERFACE DIAGRAM
FIGURE 3.1.1.3-1 Pressurized Mating Adapter 1 to FGB Structural/Mechanical Interface Plane
Figure 3.1.1.3-2 Pressurized Mating Adapter 1 to FGB Utility Interface
Figure 3.1.1.4.2-1 PMA-1 Coordinate system
Figure 3.1.1.4.2-2 FGB Coordinate system
UNITS
ENGINEERING UNITS
Unless otherwise specified, all dimensions in this document are defined in the English System of inch pound (IP) units with the SI metric equivalent shown in parentheses. For the purpose of interface verification either system of units can be used.
UNITS OF CONVERSION
The units conversion are in accordance with IEEE/ASTM SI 10-1997, American National Standard for Use of the International System of Units (SI): The Modern Metric System.
PRESSURIZED MATING ADAPTER 1 INTERFACE FUNCTIONS
PMA-1 will support the following functions at the interface to FGB:
| a. | Structural/Mechanical Attachment |
| b. | Utility Distribution |
| c. | Provide Passageway/Access |
| d. | Provide Docking/Mating Aids |
| e. | EVA Translation |
| f. | Return Intermodule Atmosphere |
| g. | Receive Intermodule Atmosphere |
| h. | Transfer Power (see appendix B for pre PHC-6 interface) |
| i. | Transfer Communications (Audio, Video-Provide connectivity for Video at the |
interface plane only) j Transfer Data and Commands
FGB INTERFACE FUNCTIONS
FGB will support the following functions at the interface to PMA-1:
| a. | Structural/Mechanical Attachment |
| b. | Utility Distribution |
| c. | Provide Passageway/access |
| d. | Provide Docking/Mating Aids |
| e. | EVA Translation |
| f. | Transfer Intermodule Atmosphere |
| g. | Pressure Equalization |
| h. | Receive Return Intermodule Atmosphere |
| i. | Transfer Power (see appendix B for pre PHC-6 interface) |
| j. | Transfer Communications (Audio, Video) |
| k. | Transfer Data and Command |
| l. | Transfer Power (see appendix B for pre PHC-6 interface) |
| m. | Transfer Communications (Audio, Video) |
| n. | Transfer Data and Command |
INTERFACE RESPONSIBILITIES
RESPONSIBILITIES FOR PRESSURIZED MATING ADAPTER 1
Unless otherwise noted herein, National Aeronautics and Space Administration (NASA) has the responsibility for designing the PMA-1 to interface requirements herein.
RESPONSIBILITY FOR FGB
Unless otherwise noted herein Krunichev Center has the responsibility for designing the FGB to interface requirements herein.
RESPONSIBILITY FOR POWER UTILITY CONNECTORS
McDonnell Douglas has the responsibility for the power connectors for the interface on PMA-1.
INTERFACE REQUIREMENTS
PRESSURIZED MATING ADAPTER 1 INTERFACE REQUIREMENTS
ENVELOPE REQUIREMENTS
ENVELOPE
The PMA-1 envelope shall be within the limits defined in Figure 3.2.1.1.1-1, Pressurized Mating Adapter 1 Envelope Limits.
Figure 3.2.1.1.1-1 PMA-1 envelope limits
RESERVED VOLUMES
The PMA-1 shall reserve the volume to connect utility interfaces.
STRUCTURAL/MECHANICAL ATTACHMENT
STRUCTURAL LOADS AT THE INTERFACE PLANE
PMA-1 shall supply structural and mechanical provisions for the mechanical attachment of PMA-1 to FGB during on-orbit assembly, in accordance with the loads defined in Table 3.2.1.7.4.1-1, Quasi-Static Transient On-Orbit Structural Loads Pressurized Mating Adapter 1 to FGB Interface, and Table 3.2.1.7.4.1-2, Transient Loads Spectra for Pressurized Mating Adapter 1 to FGB Interface.
DOCKING/ATTACHMENT MECHANISM
PMA-1 APAS shall provide alignment, capture, attenuation, and rigidization mechanisms for the mechanical attachment of PMA-1 to FGB.
Interfaces between the PMA-1 and FGB shall be structurally connected by the APAS.
INTERCONNECTING UTILITY HARDWARE
PMA-1 interface shall incorporate provisions for the mechanical connection of power, air, data, video (scarring) and audio utilities between PMA-1 and FGB during on-orbit assembly.
ACCESSIBILITY
The external utility interface design shall comply with SSP 50005, International Space Station Flight Crew Standard, paragraphs 14.3, 14.4, 14.5.3 and 14.6, requirements for accessibility by Extra Vehicular Activity (EVA) suited crew members.
REDUNDANCY
The PMA-1 shall accommodate redundant utility interfaces for PMA-1 to FGB Command and Data Handling (C&DH) Buses. Non-redundant audio channels shall be routed separately through redundant interface connectors to support credible failure contingencies. Alternate or redundant functional paths shall be separated or protected at the interface such that a credible event which causes the loss of one functional path will not result in the loss of the alternate or redundant functional path(s).
ELECTRICAL CONNECTORS
The characteristics for electrical connectors shall be in accordance with SSQ 21635, General Specification for Connectors and Accessories, Electrical, Circular, Miniature, IVA/EVA/Robot Compatible, Space Quality.
FLUID FITTINGS
Fluid fittings/couplings used at inter-element interfaces shall comply with the specifications listed in Table 3.2.1.2.3.4-1.
TABLE 3.2.1.2.3.4-1 FLUID FITTINGS/COUPLINGS
| APPLICATION |
| SPECIFICATION |
| REMARKS |
| Clamp, V-Band, Inter-module ventilation |
| NAS 1922 |
| None |
UTILITY CABLE SPECIFICATIONS
POWER CABLE SPECIFICATIONS
Power cables shall conform to SSQ 22720, General Specification for Wire, Electrical, Extra Flexible Type, Radiation Crosslinked ETFE, Space Quality.
PASSIVE THERMAL REQUIREMENTS AT THE PMA-1 INTERFACE PLANE
The PMA-1 shall maintain the structural/mechanical interface temperature of the PMA-1 APAS in the range of 60 degrees Fahrenheit (15.6 degrees Celsius) to 113 degrees Fahrenheit (45 degrees Celcius).
For design purposes, the PMA-1 shall assume the heat transfer across the interface is 0 kW.
PMA-1 ACCESS/PASSAGEWAY
The PMA-1 access and passageway shall be as shown in Figure 3.2.1.2.5-1, Pressurized Mating Adapter 1 to FGB Access/Passageway Envelope, after berthing and outfitting of the port. There shall be no protrusions into the passageway envelope, except for Intermodule Ventilation (air) drag-thru.
figure 3.2.1.2.5-1 pressurized mating adapter-1 to fgb access/ passageway envelope
ATMOSPHERIC SEALS
SEAL LEAKAGE
The PMA-1 APAS to FGB APAS atmospheric seal leakage shall be no greater than 8.7E-04 ft3/hr (24.7 cm3/hr).
SEAL MONITORING
Deleted. (see 3.2.2.2.6.2)
BERTHING/MATING AIDS
Interface provisions for berthing/mating aids shall be provided by the PMA-1.
EVA TRANSLATION AIDS
EVA translation aids on PMA-1 used for translation to FGB shall be mounted within 24 inches (610 mm) of the corresponding EVA translation aids on FGB.
FLUID INTERFACES
RECEIVE INTERMODULE ATMOSPHERE
PMA-1 shall transfer respirable air from the FGB provided by the Service Module.
INTERMODULE ATMOSPHERE CHARACTERISTICS
INTERMODULE ATMOSPHERE RECEIVE TEMPERATURE
PMA-1 shall transfer respirable intermodule air from the FGB at a temperature range of 65 to 82.4 degrees Fahrenheit (18.3 to 28 degrees Celsius).
INTERMODULE ATMOSPHERE RECEIVE RATE
The intermodule ventilation volumetric flow shall be maintained between 127 to 148 cubic feet/min (60-70 l/s) for normal operation.
INTERMODULE ATMOSPHERE RECEIVE HUMIDITY
The intermodule atmosphere received by the PMA-1 shall have a dew point between 40 to 57 degrees Fahrenheit (4.4 to 13.9 degrees Celsius).
INTERMODULE ATMOSPHERE RECEIVE AVAILABILITY
Intermodule atmosphere shall be received during all on-orbit segment manned states.
The PMA-1 shall receive intermodule atmosphere when the FGB APAS hatch is open and the air duct connection is made.
RETURN INTERMODULE ATMOSPHERE
The PMA-1 interface shall return used air to the FGB through the open APAS hatch.
INTERMODULE ATMOSPHERE CHARACTERISTICS
INTERMODULE ATMOSPHERE RETURN TEMPERATURE
PMA-1 shall return respirable intermodule air to FGB at a temperature range of 65 to 85 degrees Fahrenheit (18.3 to 29.4 degrees Celsius).
INTERMODULE ATMOSPHERE RETURN RATE
The intermodule ventilation volumetric flow shall be maintained between 127 to 148 cubic feet/min (60 to 70 l/s) for normal operation.
INTERMODULE ATMOSPHERE RETURN HUMIDITY
The intermodule atmosphere returned by the PMA-1 shall have a dew point between 40 to 60 degrees Fahrenheit (4.4 to 15.6 degrees Celsius). [60 degrees F (15.6 degrees C) is the specification value but as shown by analysis in all cases the air will have a dew point less than or equal to 57.2 degrees F (14 degrees C)].
INTERMODULE ATMOSPHERE RETURN AVAILABILITY
The PMA-1 shall return intermodule atmosphere when the PMA-1 is receiving intermodule air.
INTERFACE PRESSURE EQUALIZATION
Not Applicable. ( see 3.2.2.3.2.3 )
ELECTRICAL INTERFACES
See appendix B for PMA-1 to FGB interim power interface.
The PMA-1 electrical interfaces between the U.S segment and the Russian segment are shown in Figure 3.2.1.4-1, USOS to RS Electrical Interface, and shall comply with the requirements in the paragraphs that follow.
FGB
FGB
PGDF
FGB-A
FGB-B
PMA-1A
PMA-1B
PMA-1C
PMA-1D
PMA-1
Interface defined in SSP-50227 and Appendix G in SSP 42121 Part 1
PMA-1E
PMA-1F
FIGURE 3.2.1.4-1 USOS TO RS ELECTRICAL INTERFACE
TRANSFER POWER TO RUSSIAN SEGMENT (RS)
The PMA-1 interface shall provide power from 6 outputs. The power outputs will be identified as PMA-1A and PMA-1B for power to the FGB and PMA-1C, PMA-1D, PMA-1E and PMA-1F for power to the SM and MLM. PMA-1A-A and PMA-1A-B are included in PMA-1A and PMA-1B-A and PMA-1B-B are included in PMA-1B as shown in Figure 3.2.1.4.1-1, USOS to FGB Electrical Interface. PMA-1C originates from MBSU 2A, PMA-1D originates from MBSU 4A, PMA-1E and PMA-1F are new feeds and originate from MBSU 1A and 3A respectively, as shown in Figure 3.2.1.4.1-2, USOS to SM/MLM Electrical Interface.
FIGURE 3.2.1.4.1-1 USOS TO FGB Electrical Interface fIGURE 3.2.1.4.1-2 USOS TO SM/MLM ELECTRICAL INTERFACE SSP 42121 Part 1 Revision C
4-78
OUTPUT OPERATING VOLTAGE
PMA-1A AND PMA-1D
The operating voltage of PMA-1A and PMA-1B shall be between 114 and 126 volts dc.
PMA-1C, PMA-1D, PMA-1E, and PMA-1F The operating voltage of PMA-1C, PMA-1D, PMA-1E, and PMA-1F shall be between 116 and 173 volts dc.
OUTPUT OFF VOLTAGE
The output voltage of each PMA-1 power output shall be below 10 volts dc when in the off state.
OUTPUT VOLTAGE TRANSIENT
PMA-1A and PMA-1B The voltage transient of PMA-1A and PMA-1B shall not exceed the transient envelope shown in Figure 3.2.1.4.1.3.1-1, Output Voltage Transient Envelope for PMA-1A and PMA-1B.
PMA-1C, pma-1d, pma-1e, AND pma-1f The voltage transient of PMA-1C, PMA-1D, PMA-1E, and PMA-F shall not exceed the transient envelope shown in Figure 3.2.1.4.1.3.2-1, Output Voltage Transient Envelope (PMA-1C, PMA-1D, PMA-1E, and PMA-1F) during load switching of 3kW or less.
OUTPUT VOLTAGE RIPPLE AND NOISE
For the four SM/MLM feeds (PMA-1C, PMA-1D, PMA-1E, and PMA1F) the USOS will provide operating voltages with no more than 3 volts peak-to-peak ripple and noise when summing all spectral ripple and noise components within the frequency range of 30 Hz to 50 MHz.
FIGURE 3.2.1.4.1.3.1-1 OUTPUT VOLTAGE TRANSIENT ENVELOPE
FOR PMA-1A AND PMA-1B
FIGURE 3.2.1.4.1.3.2-1 OUTPUT VOLTAGE TRANSIENT ENVELOPE
FOR PMA-1C, PMA-1D, PMA-1E, and PMA-1F
OUTPUT VOLTAGE SPECTRUM
PMA-1A AND PMA-1B
The maximum ripple voltage spectral component shall not exceed the limits shown in Figure 3.2.1.4.1.5.1-1, U.S. OUTPUT RIPPLE VOLTAGE SPECTRUM (PMA-1A AND PMA-1B).
FIGURE 3.2.1.4.1.5.1-1 U.S. OUTPUT RIPPLE VOLTAGE SPECTRUM (PMA-1A AND PMA1B)
PMA-1C, pma-1d, pma-1e, AND pma-1f The maximum ripple voltage spectral component shall not exceed the limits shown in Figure 3.2.1.4.1.5.2-1, U.S. Output Ripple Voltage Spectrum (PMA-1C, PMA-1D, PMA-1E, and PMA-1F).
FIGURE 3.2.1.4.1.5.2-1 U.S. OUTPUT RIPPLE VOLTAGE SPECTRUM (PMA-1C, PMA-1D, PMA-1E, and PMA-1F)
OVERVOLTAGE PROTECTION
The output voltage of each PMA-1 power output shall not exceed 180 volts dc. In the event of a source failure on the USOS, the voltage of PMA-1C, PMA-1D, PMA-1E, and PMA-1F power outputs may exceed 180 volts for a maximum of 10 milliseconds but will not exceed 204 volts. Load Converters and cables on the Russian side are not required to operate after being subjected to voltages above 180 volts.
RATED CURRENT
Each PMA-1 power output shall be rated at 25 amperes as a minimum.
RATED CURRENT PMA-1A and PMA-1B PMA-1A and PMA-1B power output shall be rated at 25 amperes as a minimum.
Rated Current PMA-1C, PMA-1D, pma-1e, AND pma-1f PMA-1C, PMA-1D, PMA-1E, and PMA-1F power output shall be rated at 75 amperes as a minimum.
OVERCURRENT PROTECTION
PMA-1A and PMA-1B Each output shall discontinue delivery of power within 100 microseconds if the current exceeds the levels and durations defined below.
Overcurrent Trip Time Overcurrent Tripping Thresholds (Amperes) 0 to 0.010 125 to 150
1.0 to 2.0 47.5 to 52.5
40.0 to 48.0 27.5 to 30 PMA-1C, pma-1d, pma-1e, AND pma-1f Each output shall discontinue delivery of power within 25 milliseconds if the current exceeds 82 +/- 3.75 amperes for 110 -2/+0 milliseconds.
SOURCE IMPEDANCE
The source impedance magnitude of each PMA-1 power output shall be below the USOS source impedance curves shown in Figure 3.2.1.4.1.9-1, Source Impedance Magnitude Limits at the PMA-1A-A, PMA-1A-B, PMA1B-A, and, PMA-1B-B, and C, D, E & F Interface. The source impedance phase of the PMA-1 power output shall be between the curves shown in Figure 3.2.1.4.1.9-2, Source Impedance Phase Limits at the PMA-1 interface (PMA-1A-A, PMA-1A-B, PMA1B-A, AND PMA-1B-B) and C, D, E & F interface.
FIGURE 3.2.1.4.1.9-1 SOURCE IMPEDANCE Magnitude LIMITS AT THE PMA-1A-A, PMA-1A-B, PMA1B-A, AND PMA-1B-B, and C, D, E & F interface figure 3.2.1.4.1.9-2 Source Impedance Phase Limits at the pma-1 interface (PMA-1A-A, PMA-1A-B, PMA1B-A, AND PMA-1B-B) and C, D, E & F interface RETURN GROUNDING Each PMA-1 power output return shall be referenced to structure at the USOS source.
FAULT CURRENT RETURN
PMA-1 shall provide fault current return path.
SOFT TURN ON/OFF- PMA-1A-A, PMA-1A-B, PMA-1B-A, and PMA-1B-B Each output shall have a 1 to 10 millisecond ramp turn on from 2.5 to 22.5 amperes and turn off from 22.5 to 2.5 amperes when connected to a resistive load.
ELECTRONIC INTERFACES
AUDIO DATA
The PMA-1 shall transfer audio data on 2 audio duplex channels to and from the FGB as shown in Figure 3.2.1.5.1-1. The channels shall provide for duplex transmission of audio communication and for the duplex transmission of loud annunciation. The PMA-1 shall receive redundant analog audio signals from the FGB. These redundant signals shall terminate on PMA-1 with no connectivity to the USOS audio architecture.
FIGURE 3.2.1.5.1-1 USOS TO RS AUDIO AND VIDEO INTERFACES
AUDIO DATA CHANNEL CHARACTERISTICS
AUDIO SIGNAL RECEIVE CHARACTERISTICS
The 2 PMA-1 audio channels shall be capable of receiving analog audio signals with the following characteristics:
| a. | Signal Type: The signal shall be balanced. Direct Current (DC) resistance to signal ground shall exceed 1 megohm. |
| b. | FGB Signal level: The signal level shall be 2.2 Vpp +/- 1.1 V into 10 kohms, when measured with a 1000 Hz nominal input tone. |
| c. | Maximum input: The maximum signal shall be less than 6.2 Vpp into 10 kohms without clipping of the waveform. |
| d. | Frequency Response: The audio signals shall have a frequency response from 300 to 3400 Hz of +/-3 dB referenced to the amplitude response with a 1000 Hz nominal input tone. |
AUDIO SIGNAL TRANSMIT CHARACTERISTICS
The 2 PMA-1 audio channels shall be capable of transmitting analog audio signals with the following characteristics:
| a. | Signal Type: The signal shall be balanced. Direct Current (DC) resistance to signal ground shall exceed 1 megohm. |
| b. | FGB Signal Level: The signal level shall be 2.2 Vpp +/- 1.1 V into 600 ohms, when measured with a 1000 Hz nominal input tone. |
| c. | Frequency Response: The audio signals shall have a frequency response from 200 to 3000 Hz of +/-3 dB, from 3000 to 6100 Hz of +3/-5.5 dB referenced to the amplitude response with a 1000 Hz nominal input tone. |
AUDIO DATA SERVICE AVAILABILITY
The audio data exchange shall be made available after the USOS Laboratory Module outfitting flight equipment racks are activated on-orbit.
PMA-1 AUDIO KEYING CHARACTERISTICS
PMA-1 LOUD ANNUNCIATION AUDIO KEYING TO THE FGB
Two PMA-1 keying channels shall provide loud annunciation keying for audio to the FGB with the following characteristics:
| a. | When keyed (on) the interface voltage shall be less than 2.0 volts at the maximum current of 20 mAmperes. |
| b. | When not keyed (off) the leakage current shall be less than 200 microAmperes at the maximum voltage of 28 +/-1 Vdc. |
| c. | The Direct Current (DC) resistance to chassis ground shall exceed 1 megohm. |
| d. | The RS shall provide the keying signal voltage source. |
PMA-1 LOUD ANNUNCIATION AUDIO KEYING FROM THE FGB
Two PMA-1 keying channels shall receive a keying indication signal from the FGB with the following characteristics:
| a. | When keyed (on) the maximum current will be less than 20 mAmperes for a maximum voltage of .8 Vdc. |
| b. | When not keyed (off) the voltage shall be 5.0 Vdc +/-1 volt for a leakage current less than 10 microAmperes. |
| c. | The USOS shall provide the keying signal voltage source. |
VIDEO DATA BUS
The PMA-1 shall receive two one way video channels from the FGB as shown in Figure 3.2.1.5.1-1. The video signals shall terminate on PMA-1 with no connectivity to USOS video architecture.
COMMAND DATA HANDLING GENERAL DESCRIPTION
PMA-1 shall transfer data of the Space Station Manned Base (SSMB) to RS Command and Data Handling Interfaces to the FGB as shown in Figure 3.2.1.5.3-1, SSMB to RS Command and Data Handling Interface. The definition and functional requirements of the SSMB to RS Command and Data Handling interfaces are in accordance with the paragraphs that follow.
FIGURE 3.2.1.5.3-1 SSMB to RS Command and Data Handling Interface
SSMB COMMAND AND CONTROL BUSES INTERFACE
The SSMB Command and Control Buses Interface shall be used to exchange data and commands between the USOS and Russian…
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