SSP_41150-RevL.pdf

SSP 41150

Revision L

31 October 2014

Interface Requirements Document

United States On–orbit Segment (USOS) to Columbus Attached Pressurized Module (APM)

National Aeronautics and Space Administration International Space Station Program Johnson Space Center Houston, T exas Contract No. NNJ12GA46C esa european space agency

International Space Station Program

SSP 41150, Revision L 31 October 2014 ii

(This Page Has Been Intentionally Left Blank) iii

REVISION AND HISTORY PAGE

REV. DESCRIPTION PUB.

DATE

− BASELINE ISSUE (SRR SSCBD 000002) 02−18−94

DCN 001 − Cancelled per SSCD 000054 A Revision A (SSCD 000079R1, EFF. 01−31−95) 11−10−94

DCN 003 − Cancelled DCN 006 − Cancelled

DCN 002 per SSCD 000067, EFF. 11−21−95 (Release to File) 10−28−96

DCN 004 per SSCD 000147, EFF. 08−05−96 (Release to File) 11−16−98

DCN 010 per SSCD 000102, EFF. 06−10−97 (Release to File) 11−16−98

DCN 007 per SSCD 000102, EFF. 06−10−97 (Release to File) 11−16−98

DCN 005 per SSCD 000226, EFF. 10−27−97 (Release to File) 11−16−98

DCN 008 per SSCD 000239, EFF. 03−31−98 (Release to File) 11−16−98

DCN 009 per SSCD 000229, EFF. 10−08−97 (Release to File) 11−16−98

B Revision B (Per SSCBD 000331, EFF. 06−31−96) 07−31−96

C Revision C (Reference per SSCD 000332, EFF. 12−02−96) 04−22−98

DCN 014 per SSCD 000311, EFF. 06−26−98 (Release to File) 11−16−98

DCN 018 per SSCD 000324, EFF. 03−28−97 (Release to File) 11−16−98

DCN 022 per SSCD 000412, EFF. 08−20−97 (Release to File) 11−16−98

DCN 024 per SSCD 000557, EFF. 03−16−98 (Release to File) 11−16−98

DCN 031 per SSCD 000857, EFF. 08−12−98 (Release to File) 11−16−98

DCN 025 per SSCD 000470, EFF. 05−16−98 (Release to File) 11−16−98

D Revision D per SSCD 000857, EFF. 08−12−98 11−16−98

DCN 015 per SSCN 000249 (Release to File) 07−29−99

DCN 023 per SSCN 000391 (Release to File) 07−29−99

DCN 026 per SSCN 000663 (Release to File) 07−29−99

DCN 027 per SSCN 000600 (Release to File) 07−29−99

DCN 032 per SSCN 000580 (Release to File) 04−28−00

DCN 036 per SSCN 000580 (Release to File) 04−28−00

DCN 038 per SSCN 000580 (Release to File) 04−28−00

DCN 039 per SSCN 001386 (Release to File) 07−29−99 iv

REVISION AND HISTORY PAGE − CONTINUED

REV. DESCRIPTION PUB.

DATE

DCN 040 per SSCN 001841 (Release to File) 07−29−99

DCN 041 per SSCN 001021 (Release to File) 07−29−99

DCN 042 per SSCN 001106 (SSCN Cancelled. Incorporated under Rev. E)

DCN 043 per SSCN 001464

DCN 044 per SSCN 001841 (Release to File) 07−29−99

DCN 045 per SSCN 001841 (Release to File) 07−29−99

E Revision E per SSCD 001841, EFF. 11−20−98 07−30−99

DCN 046 per SSCD 002381 (Release to File) 05−22−00

DCN 048 per SSCD 002381 (Release to File) 05−22−00

DCN 049 per SSCD 002381 (Release to File) 05−22−00

NOTE: Due to past history of this document, DCNs 016, 019, 020, 021, 028, 029, 030, 035, 037, and 054 have been retired without use. The only traceability that can be found is that these DCNs were withdrawn.

F Revision F per SSCD 002381, EFF. 11−06−99 05−24−00

Revision F accounts for impacts identified in the following SSCNs: 000845, 000591, 000583, 000773, 001004, 000832, 000440, 000671, 000877, 000894, 000915, 000844, 001029, 001051, 001052, 001026, 000823, 000673, 000585, 000588, 000646, 000567, 001127, and 000554.

Revision F closes SSCN 000346 as it was withdrawn, SSCN 000294 as it was withdrawn, and SSCN 000264 as it was overcome by events.

The following DCN numbers have been cancelled. These SSCNs will never be released. The reason for these cancellations is because the content of the SSCNs have been incorporated into Revision G.

DCN 050 per SSCD 001021 (Adminstrative Cancellation)

DCN 051 per SSCD 003189 (Administrative Cancellation)

DCN 052 per SSCD 003189 (Administrative Cancellation)

DCN 053 per SSCD 003189 (Administrative Cancellation)

G Revision G per SSCD 003189, EFF. 06−16−00 06−20−01

Revision G accounts for impacts identified in the following SSCNs: 001021 and 003189.

Revision G closes the following SSCNs: 000256 (DCN 013), 000290 (DCN 067), 002130 (DCN 061), 002133 (DCN 062), 002134 (DCN 063), 002191 (DCN 066), and 002199 (DCN 065) as they were overcome by events.

v

REVISION AND HISTORY PAGE − CONTINUED

REV. DESCRIPTION PUB.

DATE

Revision H incorporates the following DCNs:

DCN 056 per SSCD 003686 (Administrative Cancel) DCN 057 per SSCD 003686 (Administrative Cancel) DCN 068 per SSCD 003686 (Administrative Cancel) DCN 069 per SSCD 005505 (Administrative Cancel) DCN 070A per SSCD 005505 (Administrative Cancel) DCN 072 per SSCD 005505 (Administrative Cancel) DCN 073 per SSCD 005505 (Administrative Cancel) DCN 076 per SSCD 005505 (Administrative Cancel) DCN 077 per SSCD 005505 (Administrative Cancel) DCN 089 per SSCD 005505 (Administrative Cancel) DCN 090 per SSCD 005505 (Administrative Cancel)

H Revision H per SSCD 005505, EFF. 11−06−01 02/14/02 Revision H accounts for impacts identified in the following SSCN’s: 003686 and 005505

J Revision J per SSCD 008873, EFF.08−26−04 03/24/05 DCN 047 per SSCD 001464 DCN 084 per SSCD 008873 DCN 088 per SSCD 008873 DCN 094 per SSCD 008873 DCN 095 per SSCD 008873 DCN 096 per SSCD 008873 DCN 097 per SSCD 008873

K Revision K per SSCD 010416, EFF, 11−08−07 04−14−08

Revision K incorporates the following DCNs:

DCN 087 (approved as Rev. D) per SSCD 010416 DCN 093 (approved as Rev. A) per SSCDs 005645, 006154 DCN 098 (approved as Rev. A) per SSCD 010416 DCN 099 per SSCD 010416 DCN 100 (approved as Rev. A) per SSCD 010416 DCN 122 per SSCD 010416 DCN 123 per SSCD 010416 DCN 124 (approved as Rev. A) per SSCD 010416 DCN 125 per SSCD 010416 DCN 126 per SSCD 010416 DCN 127 per SSCD 004025, 004361, 006245, 006957 DCN 128 per SSCD 010416 DCN 129 per SSCD 006771 DCN 130 per SSCD 010416 DCN 132 per SSCD 008007 DCN 134 per SSCD 008719 DCN 136 (approved as Rev. A) per SSCDs 001481, 002485, 002588, 003213, 003282, 003746, 003928, 004785, 005263, 005529, 005820, 006568, 007147, 007474, 007485 vi

REVISION AND HISTORY PAGE − CONTINUED

REV. DESCRIPTION PUB.

DATE

DCN 137 per SSCD 010416

DCN 092, for SSCD 005645, was withdrawn and its contents combined with DCN 093.

The following DCNs will not be used as their assigned contents have been incorporated into DCN 127: SSCN 004361 (DCN 110), SSCN 006957 (DCN 115), SSCN 006245

(DCN 117).

The following DCNs will not be used as their assigned contents have been incorporated into DCN 136: SSCN001481 (DCN058), SSCN 003213 (DCN 075), SSCN 003746

(DCN 081), SSCN 002588 (DCN 107), SSCN 003928 (DCN 108), SSCN 004785

(DCN 109), SSCN 003282 (DCN 111), SSCN 006568 (DCN112), SSCN 005820

(DCN113), SSCN 007474 (DCN 119), SSCN 007485 (DCN 121).

Revision K closes the following SSCNs: 000653 (DCN 083), 002189 (DCN 078), 002801 (DCN 082), 003827 (DCN 101) as they were overcome by events.

L Revision L per SSCD 014386 R1, EFF, 03−02−15 06−22−15

Revision L incorporates the following DCNs:

DCN 133 per SSCD 009171, 009703, 009719 DCN 139 per SSCD 014386 DCN 141 per SSCD 010782, 012037 DCN 144 (approved as Rev. A) per SSCD 011812 DCN 145 per SSCD 012906 DCN 146 per SSCD 013845

The following DCNs will not be used as their assigned contents have been incorporated into DCN 133: SSCN 009703 (DCN 138), SSCN 009719 (DCN 140).

The following DCN will not be used as its assigned contents have been incorporated into DCN 141: SSCN 010782 (DCN 142).

INTERNATIONAL SPACE STATION PROGRAM

INTERFACE REQUIREMENTS DOCUMENT

UNITED STATES ON−ORBIT SEGMENT (USOS) TO

COLUMBUS ATTACHED PRESSURIZED MODULE (APM)

LIST OF CHANGES

ix

All changes to paragraphs, tables, and figures in this document are shown below:

SSCBD ENTRY DATE CHANGE PARAGRAPH(S)

014386 10−31−14 Revision L 3.2.3.1

PARAGRAPH(S)

009171 2.1 009703 009719 010782 012037 012906 013845

PARAGRAPH(S)

011812 2.1, 3.1.5.17, 3.1.5.17.1, 3.1.5.17.2, A.2

TABLE(S)

4.1−1

SSCBD ENTRY DATE CHANGE PARAGRAPH(S)

010416 12−29−06 Revision K 2.1, 2.2, 3.1.5.3.2, 3.1.5.4.1.1, 3.1.5.5.1, 3.1.5.7.5, 3.1.5.8.2, 3.1.5.8.4, 3.1.5.9.2.1, 3.1.5.14, 3.4, 3.4.1, 5.0, 5.1

APPENDIX(ES)

A.2

TABLE(S)

3.1.4.3.1−1, 3.1.4.4.1−1, 3.1.5.3.1.2−1, 3.1.5.4.1.2−1

PARAGRAPH(S)

LIST OF CHANGES − Continued x

001481 2.1, 3.1.5.7.1 002485 002588 003213 003282 003746 003928 004785 005263 005529 005820 006568 007147 007474 007485

PARAGRAPH(S)

004025 2.1, 3.1.3.6 004361 006245 006957

PARAGRAPH(S)

005645 2.1 006154

PARAGRAPH(S)

006771 2.1 008719

PARAGRAPH(S)

008007 3.1.7.3, 3.1.7.3.1, 3.1.7.3.2, 3.1.7.3.3, 3.1.7.3.4, 3.1.7.3.5

SSCBD ENTRY DATE CHANGE PARAGRAPH(S)

008873 08−26−04 Revision J 3.1.3.5, 3.1.3.6, 3.1.5.1.5, 3.1.5.9.2.6, 3.1.5.12.4, 3.1.6.1.11, 3.1.6.1.12

TABLE(S)

3.1.5.3.1.2−1, 3.1.5.4.1.2−1, 3.1.5.10.4.1−1, 3.1.5.10.4.2−1, 3.1.5.10.4.3−1 xi

FIGURE(S)

3.1.5.2−1

TABLE(S)

001464 3.1.4.4.3.1−1, 3.1.4.4.3.2−1

SSCBD ENTRY DATE CHANGE PARAGRAPH(S)

005505 10−15−01 Revision H 3.1.6.1.11, 3.1.6.1.12, 3.1.6.1.15, 3.1.6.1.16, 3.1.5.9.2.5, 3.1.5.9.2.6, 3.1.5.9.3, 3.1.5.9.1.4.1, 3.1.5.9.1.5, 3.1.5.9.1.5.1, 3.1.5.9.1.6, 3.1.5.9.1.6.1, 3.1.7.1.2, 3.1.7.1.3, 3.1.7.2.2, 3.1.7.2.3.2

TABLE(S)

3.1.5.9.1.3.1-1, 3.1.5.9.1.4.1-1, 3.1.5.9.1.5.1-1, 3.1.5.9.1.6.1-1

003686 3.1.4.6.3, 3.1.5.16, 3.1.5.15

APPENDIX(ES)

SSCBD ENTRY DATE CHANGE PARAGRAPH(S)

003189 02−22−00 Revision G 2.1, 3.1.1.4.3, 3.1.1.5, 3.1.2.1, 3.1.5.13.1, 3.1.5.13.2, 3.1.5.13.2.1, 3.1.5.14, 3.1.5.15

APPENDIX(ES)

A.2, B−2 (2, 17, 18)

TABLE(S)

3.1.1.4.3-1

FIGURE(S)

3.1.1.4.1-1, 3.1.1.4.2-1, 3.1.1.5-1

SSCBD ENTRY DATE CHANGE PARAGRAPH(S)

002381 06−11−99 Revision F 3.1.5.8.2, 3.1.5.8.3, 3.1.5.9.2.1, 3.1.5.9.2.6

TABLE(S)

Table 4.1-1

FIGURE(S)

xii

SSCBD ENTRY DATE CHANGE PARAGRAPH(S)

001841 11−20−98 Revision E 2.1, 3.1.1.4.1, 3.1.4.4.3, 3.1.4.4.3.1, 3.1.4.4.3.2, 3.1.5.1.1.4, 3.1.5.1.1.4.1, 3.1.5.2.2.4.3, 3.1.5.1.1.4.4, 3.1.5.1.1.4.4.1, 3.1.5.1.1.4.4.2, 3.1.5.1.1.4.4.3, 3.1.5.1.1.9, 3.1.5.1.1.10, 3.1.5.1.1.11, 3.1.5.1.2.3, 3.1.5.9.1.3, 3.1.5.9.1.3.1, 3.1.5.9.1.4, 3.1.5.9.1.4.1, 3.1.5.9.2.1, 3.1.5.9.2.2, 3.1.5.9.2.3, 3.1.5.9.2.4, 3.1.5.9.2.5, 3.1.5.9.2.6, 3.1.5.10.4, 3.1.5.10.4.1, 3.1.5.10.4.2, 3.1.5.10.4.3, 3.1.5.13, 3.1.5.13.1, 3.1.5.14, 3.1.6.1.3, 3.1.6.1.4, 3.1.6.1.5., 3.1.6.1.5.1, 3.1.6.1.5.2, 3.1.6.1.5.3, 3.1.6.1.5.4, 3.1.6.1.6, 3.1.6.1.7, 3.1.6.1.8, 3.1.6.1.9, 3.1.6.1.10, 3.1.6.1.11, 3.1.6.1.12, 3.1.6.1.15, 3.1.6.1.16, 3.1.6.1.18.1, 3.1.6.1.18.2, 3.1.7.2.5, 3.2.4.1.2.3

APPENDIX(ES)

A2, B−1 (10), B−2 (10, 15, 16)

TABLE(S)

3.1.4.4.3.1-1, 3.1.4.4.3.1-2, 3.1.2.2.3.2-1, 3.1.4.4.3.2-2, 3.1.4.4.3.2-3, 3.1.5.3.1.2-1, 3.1.5.4.1.2-1, 3.1.5.10.4.1-1, 3.1.5.10.4.2-1, 3.1.5.10.4.3-1

FIGURE(S)

3.1.1.4.1−2, 3.1.1.4.1−4, 3.1.1.4.1−5, 3.1.4.4.3.1−1, 3.1.5.1.1.4.2−1, 3.1.5.1.1.4.3−1, 3.1.5.1.1.4.4−1, 3.2.4.1.2.3−1, 3.2.4.1.2.4−1

SSCBD ENTRY DATE CHANGE PARAGRAPH(S)

000857 02−20−98 Revision D 2.1, 3.1.3.5, 3.1.3.6, 3.1.5.2.5, 3.1.5.6, 3.1.5.7.1, 3.1.5.9.1, 3.1.5.9.1.1, 3.1.5.9.1.2, xiii

3.1.5.10.1, 3.1.5.10.2, 3.2.1.1, 3.2.3.1, 3.2.3.2, 3.2.3.3, 3.2.4.2, 3.2.4.2.1

FIGURE(S)

3.1.1.5-1 3.1.5.2-1

TABLE(S)

3.1.5.3.1.2-1, 4.1-1, SSMB/APM-01,

SSMB/APM-04

APPENDIX(ES)

A.2, B−1

SSCBD ENTRY DATE CHANGE PARAGRAPH(S)

000332 09−23−96 Revision C 2.1, 2.2, 3.1.3.6, 3.1.5.2.4, 3.1.5.4.1.1, 3.1.5.5.1, 3.1.5.7.7, 3.1.5.7.8, 3.1.5.8.2, 3.1.5.8.3, 3.1.5.9.1, 3.1.5.9.2, 3.1.5.9.3, 3.1.5.12.2, 3.1.6.1.4, 3.1.7.1.1, 3.1.7.1.6, 3.1.7.1.7, 3.1.7.2.3, 3.1.7.2.3.1, 3.1.7.2.3.2, 3.1.7.2.4, 3.1.7.2.4.1, 3.1.7.2.7, 3.2.4.1.2.6

TABLE(S)

3.1.5.2.6-1, 3.1.5.3.1.2-1, 3.1.5.4.1.2-1, 3.1.7.1.7-1, APM-IRD-020,

APM-IRD-021, APM-IRD-022

FIGURE(S)

3.1.6.1.4−1

SSCBD ENTRY DATE CHANGE PARAGRAPH(S)

000331 06−27−96 Revision B All

SSCBD ENTRY DATE CHANGE PARAGRAPH(S)

000079R1 11−10−94 Revision A All

SSCBD ENTRY DATE CHANGE FIGURE(S)

000002 02−18−94 Baseline All

TABLE OF CONTENTS

PARAGRAPH PAGE

xiv

1.0 INTRODUCTION 1 - 1

1.1 PURPOSE 1 - 1

1.2 PRECEDENCE 1 - 1

1.3 PROTOCOLS 1 - 1

1.3.1 ENGINEERING UNITS 1 - 1

1.3.2 UNITS CONVERSION 1 - 1

1.4 RESPONSIBILITIES 1 - 1

1.5 CHANGE AUTHORITY 1 - 1

2.0 DOCUMENTS 2 - 1

2.1 APPLICABLE DOCUMENTS 2 - 1

2.2 REFERENCE DOCUMENTS 2 - 3

3.0 INTERFACE REQUIREMENTS 3 - 1

3.1 NODE TO APM INTERFACE REQUIREMENTS 3 - 1

3.1.1 CONFIGURATION REQUIREMENTS 3 - 1

3.1.1.1 SSMB−NODE TO APM MECHANICAL INTERFACE 3 - 1

3.1.1.2 SSMB−NODE TO APM STRUCTURAL INTERFACE 3 - 1

3.1.1.3 APM LOCATION 3 - 1

3.1.1.4 UNBERTHED CONFIGURATIONS 3 - 1

3.1.1.4.1 APM UNBERTHED CONFIGURATION 3 - 1

3.1.1.4.2 SSMB−NODE UNBERTHED CONFIGURATION 3 - 8

3.1.1.4.3 APM/SSMB NODE CLEARANCE DURING BERTHING 3 - 9

3.1.1.5 DELETED 3 - 9

3.1.1.6 INSTALLATION OF THE ISS COMMON HATCH 3 - 9

3.1.2 MASS PROPERTIES REQUIREMENTS 3 - 9

3.1.2.1 APM MASS AT BERTHING 3 - 9

3.1.2.2 ON−ORBIT APM MASS 3 - 9

3.1.3 FUNCTIONAL INTERFACES 3 - 10

3.1.3.1 UTILITY PROVISIONS 3 - 10

3.1.3.2 UTILITIES I/F LOCATION 3 - 10

3.1.3.3 UTILITIES ACCESSIBILITY 3 - 10

3.1.3.4 UTILITIES MATING 3 - 10

3.1.3.5 PASSAGEWAYS CLEARANCE 3 - 10

3.1.3.6 CENTERLINE BERTHING CAMERA SYSTEM TARGET 3 - 10

3.1.4 STRUCTURAL/MECHANICAL INTERFACES 3 - 10

3.1.4.1 ACCOMMODATION OF ACTIVE CBM 3 - 10

3.1.4.2 ACCOMMODATION OF PASSIVE CBM 3 - 10

3.1.4.3 ON−ORBIT LOADS 3 - 11

3.1.4.3.1 TRANSIENT LOADS AT CBM CENTRAL INTERFACE PLANE 3 - 11

3.1.4.3.2 PRESSURE LOADS 3 - 11

3.1.4.4 ON−ORBIT LOAD SPECTRA 3 - 12

3.1.4.4.1 TRANSIENT DYNAMIC LOAD SPECTRA 3 - 12

3.1.4.4.2 PRESSURE LOAD SPECTRA 3 - 13

3.1.4.4.3 ON−ORBIT THERMAL STRUCTURAL LOADS 3 - 13

3.1.4.4.3.1 ON−ORBIT THERMALLY INDUCED STRUCTURAL LOADS 3 - 13

3.1.4.4.3.2 ON−ORBIT THERMALLY INDUCED LOADS SPECTRA 3 - 16

TABLE OF CONTENTS − Continued

PARAGRAPH PAGE

xv

3.1.4.5 APM/CBM INTERFACE STIFFNESS 3 - 17

3.1.4.6 LEAKAGE REQUIREMENTS 3 - 17

3.1.4.6.1 CBM SEAL ATMOSPHERE LEAKAGE 3 - 17

3.1.4.6.2 HATCH SEAL ATMOSPHERE LEAKAGE 3 - 17

3.1.4.6.3 APM LEAKAGE AFTER ASSEMBLY 3 - 18

3.1.5 ELECTRICAL/ELECTRONIC INTERFACES 3 - 18

3.1.5.1 POWER INTERFACES 3 - 18

3.1.5.1.1 POWER TO APM 3 - 18

3.1.5.1.1.1 POWER RATING 3 - 18

3.1.5.1.1.2 ONE POWER FEEDER FAILURE 3 - 18

3.1.5.1.1.3 APM REDUCED POWER OPERATIONAL MODE 3 - 18

3.1.5.1.1.4 POWER QUALITY 3 - 18

3.1.5.1.1.4.1 OPERATING BUS VOLTAGE 3 - 18

3.1.5.1.1.4.2 VOLTAGE ENVELOPE 3 - 18

3.1.5.1.1.4.3 ABNORMAL VOLTAGE ENVELOPE 3 - 18

3.1.5.1.1.4.4 INTERFACE STABILITY 3 - 19

3.1.5.1.1.4.4.1 GAIN AND PHASE MARGIN 3 - 19

3.1.5.1.1.4.4.2 GAIN OR PHASE SEPARATION 3 - 21

3.1.5.1.1.4.4.3 TRANSIENT RESPONSES 3 - 21

3.1.5.1.1.5 OUTPUT PROTECTION 3 - 21

3.1.5.1.1.6 CONNECTOR DEADFACING 3 - 21

3.1.5.1.1.7 FAULT CURRENT RETURN 3 - 21

3.1.5.1.1.8 RETURN GROUNDING 3 - 21

3.1.5.1.1.9 BONDING 3 - 21

3.1.5.1.1.10 POWER FEEDER SOURCE 3 - 23

3.1.5.1.1.11 DELETED 3 - 23

3.1.5.1.2 STANDARD POWER OUTLETS (SPO) 3 - 23

3.1.5.1.2.1 POWER TO SPO 3 - 23

3.1.5.1.2.2 SPO POWER RATING 3 - 23

3.1.5.1.2.3 POWER QUALITY 3 - 23

3.1.5.1.2.4 OUTPUT PROTECTION 3 - 23

3.1.5.1.2.4.1 GROUND FAULT INTERRUPTION 3 - 23

3.1.5.1.2.5 CONNECTOR DEADFACING 3 - 23

3.1.5.1.3 POWER TO US PORTABLE COMPUTER SYSTEM (PCS) 3 - 23

3.1.5.1.3.1 SPO FEEDER ISOLATION 3 - 23

3.1.5.1.4 POWER TO APM PORTABLE WORKSTATION 3 - 24

3.1.5.1.5 LOAD SHEDDING 3 - 24

3.1.5.2 ISS COMMAND AND CONTROL (C&C) BUSES INTERFACES 3 - 24

3.1.5.2.1 FAILURE TOLERANCE 3 - 24

3.1.5.2.2 LINK PROTOCOL 3 - 24

3.1.5.2.3 ISS C&C BUSES CONTROL 3 - 24

3.1.5.2.4 ISS C&C BUSES COMMUNICATIONS 3 - 24

3.1.5.2.5 ISS C&C BUSES TIME DISTRIBUTION 3 - 24

3.1.5.2.6 TIME DISTRIBUTION DATA RATES 3 - 24

3.1.5.2.7 PORTS FOR US SYSTEM PCS 3 - 26

PARAGRAPH PAGE

xvi

3.1.5.2.8 BUS TERMINATIONS 3 - 26

3.1.5.3 ESSENTIAL COMMAND AND DATA INTERFACES 3 - 26

3.1.5.3.1 BI−DIRECTIONAL LINK 3 - 26

3.1.5.3.1.1 SOFTWARE FUNCTIONAL INTERFACES 3 - 26

3.1.5.3.1.2 DATA/COMMAND RATE 3 - 27

3.1.5.3.1.3 LINK AVAILABILITY 3 - 27

3.1.5.3.2 MODE TRANSITION 3 - 28

3.1.5.4 SYSTEM AND PAYLOAD COMMAND & DATA INTERFACES 3 - 28

3.1.5.4.1 DATA EXCHANGE LINK 3 - 28

3.1.5.4.1.1 SOFTWARE FUNCTIONAL INTERFACES 3 - 28

3.1.5.4.1.2 DATA RATE 3 - 28

3.1.5.4.1.3 LINK AVAILABILITY 3 - 29

3.1.5.5 SENSOR/EFFECTOR HARDWIRED INTERFACES 3 - 29

3.1.5.5.1 INTERFACE LINES 3 - 29

3.1.5.5.2 FUNCTIONAL INTERFACE DESCRIPTION 3 - 29

3.1.5.6 APM DMS INTERFACE IN THE SSMB 3 - 30

3.1.5.6.1 INTERFACE CHARACTERISTICS 3 - 30

3.1.5.6.2 FUNCTIONAL INTERFACE DESCRIPTION 3 - 30

3.1.5.7 COMPOSITE DATA INTERFACES 3 - 30

3.1.5.7.1 COMPOSITE DATA PERFORMANCE REQUIREMENTS 3 - 30

3.1.5.7.2 DOWNLINK VIA TDRSS INTERFACE 3 - 30

3.1.5.7.2.1 TDRSS DOWNLINK DATA RATE 3 - 30

3.1.5.7.2.2 COMPOSITE DATA INPUT CHARACTERISTICS (TDRSS DOWNLINK) 3 - 30. .

3.1.5.7.2.3 COMPOSITE DATA OUTPUT CHARACTERISTICS (TDRSS

DOWNLINK) 3 - 30

3.1.5.7.3 DOWNLINK VIA THE JEM INTERSATELLITE COMMUNICATIONS

SYSTEM 3 - 30

3.1.5.7.3.1 DOWNLINK VIA THE JEM ICS INTERFACE DATA RATE 3 - 31

3.1.5.7.3.2 COMPOSITE DATA INPUT CHARACTERISTICS (JEM ICS

DOWNLINK) 3 - 31

3.1.5.7.3.3 COMPOSITE DATA OUTPUT CHARACTERISTICS (JEM ICS

DOWNLINK) 3 - 31

3.1.5.7.4 DELETED 3 - 31

3.1.5.7.5 LOGICAL INTERFACE 3 - 31

3.1.5.7.6 DATA INTERFACE MEDIUM 3 - 31

3.1.5.7.7 DELETED 3 - 31

3.1.5.7.8 DELETED 3 - 31

3.1.5.8 SSMB TO APM HIGH RATE DATA LINK (HRDL) 3 - 31

3.1.5.8.1 HRDL INTERFACE MEDIUM 3 - 31

3.1.5.8.2 HRDL SIGNAL ATTENUATION IN THE APM 3 - 31

3.1.5.8.3 HRDL VESTIBULE JUMPER ATTENUATION 3 - 32

3.1.5.8.4 HRDL INPUT/OUTPUT CHARACTERISTICS (APPLICABLE TO NODE 2

ONLY) 3 - 32

3.1.5.9 AUDIO INTERFACES 3 - 32

3.1.5.9.1 HARDWIRED AUDIO DATA BUS 3 - 32

3.1.5.9.1.1 HARDWIRED AUDIO INTERFACE MEDIUM 3 - 32

PARAGRAPH PAGE

xvii

3.1.5.9.1.2 HARDWIRED AUDIO SIGNAL ATTENUATION IN THE APM 3 - 32

3.1.5.9.1.3 SSMB TRANSMIT OPTICAL LINEAR PULSE CODE MODULATED (LPCM)

AUDIO SIGNAL CHARACTERISTICS 3 - 32

3.1.5.9.1.3.1 OPTICAL LPCM AUDIO SIGNAL POWER LEVELS 3 - 32

3.1.5.9.1.4 SSMB RECEIVE OPTICAL LPCM AUDIO SIGNAL

CHARACTERISTICS 3 - 33

3.1.5.9.1.4.1 OPTICAL LPCM AUDIO SIGNAL POWER LEVELS 3 - 33

3.1.5.9.1.5 APM TRANSMIT OPTICAL LINEAR PULSE CODE MODULATED (LPCM)

AUDIO SIGNAL CHARACTERISTICS (DATA FOR REFERENCE ONLY) 3 - 33. .

3.1.5.9.1.5.1 OPTICAL LPCM AUDIO SIGNAL POWER LEVELS 3 - 33

3.1.5.9.1.6 APM RECEIVE OPTICAL LPCM AUDIO SIGNAL CHARACTERISTICS

(DATA FOR REFERENCE ONLY) 3 - 34

3.1.5.9.1.6.1 OPTICAL LPCM AUDIO SIGNAL POWER LEVELS 3 - 34

3.1.5.9.2 INTRAVEHICULAR ANTENNA ASSEMBLY 3 - 34

3.1.5.9.2.1 COMMUNICATION CABLE SPECIFICATIONS 3 - 34

3.1.5.9.2.2 ULTRA HIGH FREQUENCY DISTRIBUTION CABLE 3 - 35

3.1.5.9.2.3 COMMUNICATION SIGNAL CHARACTERISTICS 3 - 35

3.1.5.9.2.4 INTERFACE IMPEDANCE 3 - 35

3.1.5.9.2.5 INTERFACE VSWR 3 - 35

3.1.5.9.2.6 INTERFACE POWER 3 - 35

3.1.5.9.3 DELETED 3 - 35

3.1.5.10 VIDEO INTERFACES 3 - 35

3.1.5.10.1 VIDEO CHANNELS 3 - 35

3.1.5.10.2 VIDEO SYNCHRONIZATION SIGNAL 3 - 35

3.1.5.10.3 VIDEO INTERFACE STANDARD 3 - 35

3.1.5.10.4 VIDEO INTERFACE MEDIUM 3 - 36

3.1.5.10.4.1 APM TRANSMIT 3 - 36

3.1.5.10.4.2 SSMB TRANSMIT 3 - 36

3.1.5.10.4.3 OPTICAL PFM NTSC SYNC AND CONTROL SIGNAL POWER

LEVELS 3 - 36

3.1.5.11 CHECS COMMAND AND DATA INTERFACE 3 - 37

3.1.5.11.1 INTERFACE CHARACTERISTICS 3 - 37

3.1.5.11.2 FUNCTIONAL INTERFACE DESCRIPTION 3 - 37

3.1.5.11.3 BUS TERMINATIONS 3 - 37

3.1.5.12 SSMB PAYLOAD BUS EXTENSION IN THE APM 3 - 37

3.1.5.12.1 INTERFACE CHARACTERISTICS 3 - 37

3.1.5.12.2 FUNCTIONAL INTERFACE DESCRIPTION 3 - 37

3.1.5.12.3 U.S. PAYLOAD PCS 3 - 38

3.1.5.12.4 BUS TERMINATIONS 3 - 38

3.1.5.13 MEDIUM RATE DATA LINK (MRDL) INTERFACE 3 - 38

3.1.5.13.1 MRDL FUNCTIONAL INTERFACE DESCRIPTION 3 - 38

3.1.5.13.2 MRDL INTERFACE MEDIUM 3 - 38

3.1.5.13.2.1 MAXIMUM LINK SEGMENT LENGTHS 3 - 38

3.1.5.14 OPS LAN INTERFACE 3 - 38

3.1.5.15 APM NOT−TO−EXCEED BUS LENGTHS 3 - 38

3.1.5.16 PAYLOAD LAN−2 INTERFACE 3 - 39

PARAGRAPH PAGE

xviii

3.1.5.17 JOINT STATION LAN INTERFACE 3 - 39

3.1.5.17.1 JSL FUNCTIONAL INTERFACE DESCRIPTION 3 - 39

3.1.5.17.2 JSL INTERFACE MEDIUM 3 - 39

3.1.6 THERMAL INTERFACES 3 - 39

3.1.6.1 ACTIVE THERMAL INTERFACES 3 - 39

3.1.6.1.1 INTERFACE LOCATION 3 - 40

3.1.6.1.2 INTERFACE DEFINITION 3 - 40

3.1.6.1.3 LT/MT BUS HEAT LOAD CAPABILITY 3 - 40

3.1.6.1.4 DELETED 3 - 40

3.1.6.1.5 LT/MT INTERFACE TEMPERATURE 3 - 40

3.1.6.1.5.1 MT INLET TO APM 3 - 40

3.1.6.1.5.2 LT INLET TO APM 3 - 40

3.1.6.1.5.3 LT OUTLET FROM APM AND MT INLET TO APM 3 - 40

3.1.6.1.5.4 MT INLET TEMPERATURE 3 - 40

3.1.6.1.6 MT INTERFACE DESIGN PRESSURE 3 - 40

3.1.6.1.7 LT INTERFACE DESIGN PRESSURE 3 - 41

3.1.6.1.8 MT INTERFACE FLOW RATE 3 - 41

3.1.6.1.9 LT INTERFACE FLOW RATE 3 - 41

3.1.6.1.10 SIMULTANEOUS LT/MT WATER FLOW RATE 3 - 41

3.1.6.1.11 MT INTERFACE PRESSURE DROP 3 - 41

3.1.6.1.12 LT INTERFACE PRESSURE DROP 3 - 41

3.1.6.1.13 MT INTERFACE WATER VOLUME 3 - 41

3.1.6.1.14 LT INTERFACE WATER VOLUME 3 - 41

3.1.6.1.15 MT INTERFACE WATER LEAKAGE 3 - 41

3.1.6.1.16 LT INTERFACE WATER LEAKAGE 3 - 42

3.1.6.1.17 COOLANT SPECIFICATION 3 - 42

3.1.6.1.18 OFF−NOMINAL MODES 3 - 42

3.1.6.1.18.1 SSMB TO APM MT I/F HEAT SINK FAILURE (JEM ITCS REQUIRES

THERMAL SINK) 3 - 43

3.1.6.1.18.2 SSMB TO APM LT I/F HEAT SINK FAILURE (JEM ITCS REQUIRES

THERMAL SINK) 3 - 43

3.1.6.1.18.3 SSMB TO APM MT OR LT I/FS HEAT SINK FAILURE (JEM ITCS DOES

NOT REQUIRE THERMAL SINK) 3 - 43

3.1.6.2 PASSIVE THERMAL INTERFACES 3 - 43

3.1.6.2.1 SSMB−NODE SIDE 3 - 43

3.1.6.2.2 APM SIDE 3 - 43

3.1.7 ENVIRONMENTAL CONTROL AND LIFE SUPPORT INTERFACES 3 - 43

3.1.7.1 INTERMODULE VENTILATION (IMV) 3 - 43

3.1.7.1.1 AIR FLOW RATE 3 - 44

3.1.7.1.2 IMV HEAT LOAD ACCOMMODATED BY APM 3 - 44

3.1.7.1.3 IMV HEAT LOAD ACCOMMODATED BY NODE 3 - 44

3.1.7.1.4 AIR TEMPERATURE 3 - 44

3.1.7.1.5 AIR HUMIDITY 3 - 44

3.1.7.1.6 PRESSURE LOSS 3 - 44

3.1.7.1.7 IMV DUCT NOISE 3 - 44

3.1.7.2 WASTE WATER RETURN 3 - 45

PARAGRAPH PAGE

xix

3.1.7.2.1 WASTE WATER RETURN INTERFACE 3 - 45

3.1.7.2.2 WASTE WATER RETURN PRESSURE 3 - 45

3.1.7.2.3 WASTE WATER RETURN TEMPERATURE 3 - 45

3.1.7.2.3.1 WASTE WATER TEMPERATURE AT STEADY STATE FLOW RATE 3 - 45

3.1.7.2.3.2 WASTE WATER TEMPERATURE AT TRANSIENT FLOW RATE 3 - 45

3.1.7.2.4 DELETED 3 - 45

3.1.7.2.5 WASTE WATER FREE GAS LEVEL 3 - 45

3.1.7.2.6 WASTE WATER PARTICULATE SIZE 3 - 45

3.1.7.2.7 WASTE WATER INTERFACE MAXIMUM DESIGN PRESSURE 3 - 45

3.1.7.3 GASEOUS NITROGEN 3 - 46

3.1.7.3.1 GASEOUS NITROGEN INTERFACE 3 - 46

3.1.7.3.2 GASEOUS NITROGEN INTERFACE PRESSURE RANGE 3 - 46

3.1.7.3.3 GASEOUS NITROGEN INTERFACE MAXIMUM PRESSURE 3 - 46

3.1.7.3.4 GASEOUS NITROGEN INTERFACE FLOW RATE 3 - 46

3.1.7.3.5 GASEOUS NITROGEN INTERFACE TEMPERATURE RANGE 3 - 46

3.1.7.4 ATMOSPHERE SAMPLING 3 - 46

3.1.7.4.1 PRESSURE LOSS 3 - 46

3.2 PDGF TO APM INTERFACE REQUIREMENTS 3 - 46

3.2.1 CONFIGURATION REQUIREMENTS 3 - 46

3.2.1.1 DELETED 3 - 46

3.2.1.2 SSRMS APPROACH CLEARANCE ENVELOPE 3 - 46

3.2.2 FUNCTIONAL REQUIREMENTS 3 - 47

3.2.3 STRUCTURAL/MECHANICAL INTERFACES 3 - 47

3.2.3.1 LIMIT LOADS AT THE PDGF TO MODULE I/F 3 - 47

3.2.3.2 STIFFNESS AT THE PDGF TO MODULE I/F 3 - 47

3.2.3.3 IMPACT LOADS 3 - 47

3.2.4 ELECTRICAL/ELECTRONICS INTERFACES 3 - 47

3.2.4.1 POWER INTERFACES 3 - 47

3.2.4.1.1 POWER RATING 3 - 47

3.2.4.1.2 POWER QUALITY 3 - 47

3.2.4.1.2.1 OPERATIONAL BUS VOLTAGE 3 - 47

3.2.4.1.2.2 VOLTAGE ENVELOPE 3 - 47

3.2.4.1.2.3 ABNORMAL VOLTAGE ENVELOPE 3 - 48

3.2.4.1.2.4 DELETED 3 - 49

3.2.4.1.2.5 OUTPUT PROTECTION 3 - 49

3.2.4.1.2.6 CONNECTOR DEADFACING 3 - 49

3.2.4.2 DELETED 3 - 49

3.2.4.2.1 DELETED 3 - 49

3.2.5 PASSIVE THERMAL CONTROL INTERFACE 3 - 49

3.3 CHECS TO APM INTERFACE REQUIREMENTS 3 - 49

3.3.1 FUNCTIONAL REQUIREMENTS 3 - 49

3.3.1.1 UTILITIES I/F LOCATION 3 - 49

3.3.2 STRUCTURAL INTERFACES 3 - 49

3.3.3 ELECTRICAL/ELECTRONICS INTERFACES 3 - 49

3.3.3.1 POWER INTERFACES 3 - 49

PARAGRAPH PAGE

xx

3.3.3.2 DATA INTERFACES 3 - 49

3.3.3.3 THERMAL INTERFACES 3 - 50

3.3.3.3.1 THERMAL COOLING 3 - 50

3.3.3.3.2 HEAT REJECTION 3 - 50

3.4 EXTERNAL PARKING POSITIONS TO COLUMBUS INTERFACE

REQUIREMENTS 3 - 50

3.4.1 COLUMBUS INTERFACES FOR EXTERNAL PARKING POSITIONS 3 - 50

4.0 INTERFACE VERIFICATION 4 − 1

4.1 JOINT INTERFACE VERIFICATION 4 − 1

5.0 DELETED 5 − 1

5.1 DELETED 5 − 1

APPENDIX PAGE

A ABBREVIATIONS AND ACRONYMS A - 1

B LIST OF TBD/TBCS B −1

TABLE PAGE

TABLES

xxi

3.1.1.4.3−1 MISALIGNMENT DURING BERTHING 3 - 9

3.1.4.3.1−1 ON−ORBIT LIMIT LOADS AT CBM CENTRAL INTERFACE PLANE 3 - 11

3.1.4.3.2−1 PRESSURE LIMIT LOAD CASES 3 - 12

3.1.4.4.1−1 ON−ORBIT TRANSIENT LOAD SPECTRA 3 - 13

3.1.4.4.2−1 ON−ORBIT PRESSURE LOAD SPECTRA 3 - 13

3.1.4.4.3.1−1 ON−ORBIT THERMALLY INDUCED STRUCTURAL LOADS 3 - 14

3.1.4.4.3.1−2 ACBM/PCBM INTERFACE BOLT LOCATIONS 3 - 15

3.1.4.4.3.2−1 ON−ORBIT TRANSIENT THERMAL LOADS 3 - 16

3.1.4.4.3.2−2 ON−ORBIT THERMALLY INDUCED LOADS SPECTRUM 3 - 17

3.1.4.4.3.2−3 ON−ORBIT THERMALLY INDUCED MEAN BERTHING LOADS 3 - 17

3.1.5.2.6−1 TIME DISTRIBUTION TRANSACTION RATES AND DATA VOLUMES 3 - 26

3.1.5.3.1.2−1 “ESSENTIAL COMMAND AND DATA” TRANSACTION RATES 3 - 27

3.1.5.4.1.2−1 “SYSTEM AND PAYLOAD COMMAND DATA” DATA/COMMAND

TRANSACTION RATES 3 - 29

3.1.5.9.1.3.1−1 OPTICAL LPCM AUDIO SIGNAL POWER 3 - 33

3.1.5.9.1.4.1−1 OPTICAL LPCM AUDIO SIGNAL POWER 3 - 33

3.1.5.9.1.5.1−1 OPTICAL LPCM AUDIO SIGNAL POWER 3 - 34

3.1.5.9.1.6.1−1 OPTICAL LPCM AUDIO SIGNAL POWER 3 - 34

3.1.5.10.4.1−1 APM TRANSMIT VIDEO SIGNAL POWER 3 - 36

3.1.5.10.4.2−1 SSMB TRANSMIT VIDEO SIGNAL POWER 3 - 36

3.1.5.10.4.3−1 SYNC AND CONTROL SIGNAL POWER 3 - 37

3.1.7.1.7−1 IMV SOUND POWER LEVELS 3 - 44

4.1−1 SPACE STATION/ATTACHED PRESSURIZED MODULE INTERFACE

VERIFICATION MATRIX 4 − 2

B−1 LIST OF TBCS B −1

B−2 LIST OF TBDS B −1

FIGURE PAGE

FIGURES

xxii

3.1.1.3−1 APM LOCATION IN THE SSMB ON−ORBIT CONFIGURATION 3 - 2

3.1.1.4.1−1 APM UNBERTHED CONFIGURATION STATIC ENVELOPE 3 - 3

3.1.1.4.1−2 APM BERTHING PORT ENDCONE ENVELOPE LIMITS 3 - 4

3.1.1.4.1−3 BERTHING STAY−OUT ZONE 3 - 5

3.1.1.4.1−4 SECTION A−A OF STAY−OUT ZONE ENVELOPE FOR CBM METEOROID/

DEBRIS COVER 3 - 6

3.1.1.4.1−5 SECTION B−B OF STAY−OUT ZONE ENVELOPE FOR CBM METEOROID/

DEBRIS COVER 3 - 7

3.1.1.4.2−1 SSMB NODE UNBERTHED CONFIGURATION STATIC ENVELOPE 3 - 8

3.1.1.5−1 DELETED 3 - 9

3.1.4.4.3.1−1 ACBM/PCBM INTERFACE PLANE ATTACHMENT BOLT LOCATIONS 3 - 15. . .

3.1.5.1.1.4.2−1 VOLTAGE ENVELOPE 3 - 19

3.1.5.1.1.4.3−1 ABNORMAL VOLTAGE ENVELOPE 3 - 20

3.1.5.1.1.4.4−1 DELETED 3 - 21

3.1.5.1.1.6−1 CONNECTOR DEADFACING OPEN CIRCUIT VOLTAGE 3 - 22

3.1.5.2−1 SSMB TO APM MIL−STD−1553 ISS C&C BUSES INTERFACE 3 - 25

3.2.4.1.2.2−1 PDGF VOLTAGE ENVELOPE 3 - 48

3.2.4.1.2.3−1 DELETED 3 - 48

3.2.4.1.2.4−1 DELETED 3 - 49

1 - 1

1.0 INTRODUCTION

This Space Station Manned Base (SSMB) to COLUMBUS Attached Pressurized Module (APM) Interface Requirements Document (IRD) establishes the interface requirements between National Aeronautics and Space Administration (NASA), and European Space Agency (ESA), with respect to the SSMB to APM interface.

1.1 PURPOSE

This Interface Requirements Document (IRD) defines the physical and functional interface requirements between the Space Station Manned Base (SSMB) and the Columbus Attached Pressurized Module (APM) Flight Configurations. The detailed design implementation of the Space Station to Columbus Attached Pressurized Module interfaces in response to this IRD are controlled in the SSMB to APM Interface Control Document (ICD). Interface design verification is performed by NASA and ESA according to the Interface Verification requirements as defined in Section 4 of this IRD.

1.2 PRECEDENCE

The overall functional requirements on the NASA SSMB and the ESA APM are contained in SSP 41160, Segment Specification for the European Space Agency Segment, in SSP 41162, Segment Specification for the United States on−Orbit Segment (USOS), and in this IRD. These documents, together with SSP 41000, System Specification for the International Space Station Alpha form a consistent set of requirements to be implemented by NASA and ESA, as appropriate. In case of conflict between these documents and SSP 41000, System Specification for the International Space Station Alpha, the latter will take precedence, to the extent applicable to each Partner.

1.3 PROTOCOLS

1.3.1 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 parenthesis. For the purpose of interface verification either system of units can be used.

1.3.2 UNITS CONVERSION

The Units conversions are in accordance with ASTM E380−92, Standard Practice for Use of the International System of Units (SI) (the Modernized Metric System).

1.4 RESPONSIBILITIES

Unless otherwise specified, NASA and ESA carry the responsibility for designing and verifying respectively the SSMB and the APM in agreement with the interface requirements established in this IRD.

1.5 CHANGE AUTHORITY

Changes to this document are bilaterally controlled by NASA and ESA via the Space Station Control Board (SSCB).

1 - 2

2 - 1

2.0 DOCUMENTS

2.1 APPLICABLE DOCUMENTS

The following documents form a part of this Interface Requirements Document (IRD) to the extent specified herein:

DOCUMENT NO. TITLE

ASTM E380−92

Rev. A January 1, 1993

Standard Practice for Use of the International System of Units (SI) (the Modernized Metric System)

Reference 1.3.2

SSP 30243

Revision G, DCN 014 July 31, 2002

Space Station Requirements for Electromagnetic Compatibility

Reference 3.1.5.1.1.4

SSP 30245

Revision J 16 December 2005

Space Station Electrical Bonding Requirements

Reference 3.1.5.1.1.9

SSP 30482

Rev. C July 07, 1997

Electric Power Specifications and Standards Vol. 1, EPS Electrical Power Specifications

References 3.1.5.1.1.4, 3.1.5.1.1.4.4.3, 3.1.5.1.2.3, 3.2.4.1.2

COL−ESA−RQ−014

Issue 2, Revision C February 6, 1997

Columbus EMC and Power Quality Requirements

References 3.1.5.1.1.4, 3.1.5.1.1.4.3, 3.1.5.1.1.9, 3.1.5.1.2.3, 3.2.4.1.2, 3.2.4.1.2.3

MIL−STD−1553B

Rev. B, CN 2 September 8, 1986

Aircraft Internal Time Division Command Response Multiplex Data Bus

References 3.1.5.2, 3.1.5.2.2, 3.1.5.4.1, 3.1.5.11, 3.1.5.12, 3.3.3.2

CCSDS 701.0−B−2

November 1992

Advanced Orbiting Systems, Network and Data Links: Architectural Specification, Blue Book

References 3.1.5.2.4, 3.1.5.7.5

2 - 2

DOCUMENT NO. TITLE

SSQ 21654

Revision D January 27, 2004

Cable, Single Fiber, Multimode, Space Quality, General Specification for

References 3.1.5.7.6, 3.1.5.8.1, 3.1.5.9.1.1, 3.1.5.10.4

EIA−RS−170A

November, 1977

EIA Industrial Electronics Tentative Standard No. 1 − Color TV Studio Picture Line Amplifier Output Drawing

Reference 3.1.5.10.3

SSP 30573

Revision E December 2, 2009

Space Station Program Fluid Procurement and Use Control Specification

Reference 3.1.6.1.17

SSP 41004, Part 1 Revision H October 25, 2005

Common Berthing Mechanism to Pressurized Elements Interface Control Document Part 1

References 3.1.1.4.3, 3.1.4.6.1; Fig. 3.1.1.4.2−1

SSP 41015, Part 1 Revision G September 23, 2005

Common Hatch and Mechanisms To Pressurized Elements Interface Control Document Part 1

References 3.1.3.5, 3.1.3.6, 3.1.4.6.2

SSP 42004, Part 1 Revision K June 3, 2013

Mobile Servicing System (MSS) to User (Generic) Interface Control Document Part 1

References 3.2.1.2, 3.2.3.1, 3.2.3.2, 3.2.3.3, 3.2.5

SSP 50184

Revision B May 25, 2001

Physical Media, Physical Signaling & Link−Level Protocol Specifications for Ensuring Interoperability of High Rate Data Link Stations on the International Space Station

Reference 3.1.5.7.1

SSQ 21635

Rev. K 29 October 2002

Connectors and Accessories, Electrical, Circular, Miniature, IVA/EVA Compatible, Space Quality, General Specification for

References 3.1.5.8.2, 3.1.5.9.1.2, 3.1.5.13.2, 3.1.5.17.2

2 - 3

DOCUMENT NO. TITLE

SSQ 21653

Revision F January 27, 2004

Cable, Coaxial, Twinaxial, and Triaxial, Flexible and Semirigid, General Specification for

Reference 3.1.5.9.2.1

SSQ 21655

Rev. E July 15, 1998

Cable, Electrical, MIL−STD−1553B, Data Bus, Space Quality, General Specification for

References 3.1.5.13.2, 3.1.5.17.2

ESA/SCC 3902

Issue 4, Rev. C

April 1999

Cables, Coaxial, Radio Frequency, Flexible, ESA/SCC Generic Specification No. 3902

References 3.1.5.9.2.1

ANSI/TIA/EIA 568−B.2 Commercial Building Telecommunications Cabling Standard Part 2: Balanced Twisted−Pair Cabling Components

References 3.1.5.17.2

IEEE 802.3

Part 3: Carrier Sense Multiple Access with Collision Detection (CSMA/CD) Access Method and Physical Layer Specifications:

Fast Ethernet, Gigabit Ethernet

References 3.1.5.17 and 3.1.5.17.1

ESA/SCC Detail Specification Number 3902/002 Issue 2, Revision A January 1999

Coaxial, Triaxial and Symmetric Cables, Flexible, −200 to +180°C

References 3.1.5.17.2

2.2 REFERENCE DOCUMENTS

The following documents defined in the Space Station System Specification, are referenced in this IRD for context and user convenience:

DOCUMENT NO. TITLE

SSP 41000

Current Issue

System Specification for the International Space Station

Reference 1.2

2 - 4

DOCUMENT NO. TITLE

SSP 41160

Current Issue

European Space Agency (ESA) Segment Specification

Reference 1.2

SSP 41162

Current Issue

Segment Specification for the United States On−Orbit Segment (USOS)

Reference 1.2

SSP 50034

Current Issue

ESA−NASA Bilateral Integration and Verification Plan

References 4.0, 4.1

D684−10025−1 Current Issue

Integration and Verification Plan for the ISSA Systems and U.S. Segment

Reference 4.0

2 - 5

3 - 1

3.0 INTERFACE REQUIREMENTS

The SSMB−to−APM interface requirements are grouped in the following three categories:

(1) SSMB−Node to APM Interface

(2) PDGF (Power and Data Grapple Fixture) to APM Interface

(3) CHeCS (Crew Health Care System) to APM Interface

The SSMB Node to APM Interface requirements are specified, as applicable, relative to the following on−orbit APM configurations:

− APM unberthed configuration

− APM berthed configuration

NOTE: With the term “SSMB−Node” it is always intended in this IRD the specific ISS Node that interfaces with the APM Element, as identified in the “APM Location”, paragraph 3.1.1.3.

3.1 NODE TO APM INTERFACE REQUIREMENTS

3.1.1 CONFIGURATION REQUIREMENTS

3.1.1.1 SSMB−NODE TO APM MECHANICAL INTERF ACE

The APM and the SSMB−node shall be physically attached by means of an APM dedicated Common Berthing Mechanism (CBM), consisting of an Active CBM and a Passive CBM.

3.1.1.2 SSMB−NODE TO APM STRUCTURAL INTERFACE

The SSMB−Node to APM structural interface shall occur at the plane between the Passive CBM and the APM forward endcone.

3.1.1.3 APM LOCATION

After berthing, the final APM location as part of the SSMB Flight Configuration shall be as per Figure 3.1.1.3−1, APM Location in the SSMB On−Orbit Configuration.

3.1.1.4 UNBERTHED CONFIGURATIONS

3.1.1.4.1 APM UNBERTHED CONFIGURATION

The worst case static envelope of the APM in unberthed configuration shall not exceed the limits shown in Figure 3.1.1.4.1−1, APM Unberthed Configuration Static Envelope, Figure 3.1.1.4.1−2, APM Berthing Port Endcone Envelope Limits, Figure 3.1.1.4.1−3, Berthing Stay−out Zone, Figure 3.1.1.4.1−4, Section A−A Of Stay−out Zone Envelope for CBM Meteoroid/Debris Cover, and Figure 3.1.1.4.1−5, Section B−B of Stay−out Zone Envelope for CBM Meteoroid/Debris Cover.

3 - 2

APM

FIGURE 3.1.1.3−1 APM LOCATION IN THE SSMB ON−ORBIT CONFIGURATION

3 - 3

APMSSMB

see view A details in Figure 3.1.1.4.1−2, −3 and −4

325.4 (8265)

2.

(5

0)

NOTES:

1. Not to Scale

2. Trunnions for launch by NSTS and grapple fixture are allowed to penetrate this envelope

3. PCBM penetrates the envelope as shown

4. PCBM MDPS not included

5. PCBM alignment petals extend to 5 inches in module axial direction from the PCBM sealing surface (REF)

6. APM complies with Shuttle/APM ICD envelope during ascent/descent

7. Represents nominal unberthed configuration without attached external payloads

11.15 REF

(283.2)

.0

R E

F

PCBM

PCBM to APM Ring Interface Plane

A

Note (5)

PCBM

sealing surface

N ot es

3)

4)

FIGURE 3.1.1.4.1−1 APM UNBERTHED CONFIGURATION STATIC ENVELOPE

3 - 4

� Maintain 5 degrees stay−out zone as per section in Figure 3.1.1.4.1−3 � Meteoroid/Debris cover berthing stay−out zone (maintain stay−out zone as per Figures 3.1.1.4.1−4 and 3.1.1.4.1−5.

NOTES:

1. Node 2 thermal distortions/deflections, pressure deformations/distortions are included in stay−out zone definition.

2. The APM shall comply with the stay−out zone definition when subjected to in−orbit pressure and thermal deformations.

3. Not to Scale

ZENITH

VIEW LOOKING STARBOARD FROM INTERIOR NODE 2

FORWARD

B

B

4X 116 (2946)

4X 58 (1473)

8X 26 (660)

8X 12 (305)

24 (610)

R 64 (1626)

Ø 177.3 (4503) REF

M/D Cover Maximum Envelope (4 places)

AA

FIGURE 3.1.1.4.1−2 APM BERTHING PORT ENDCONE ENVELOPE LIMITS

3 - 5

APMSSMB

PCBM

5� �0

10.2 + 0.25 (259.1 + 6.4)

PCBM

SEALING SURFACE

Ø 97.75 + 0.25 (2482.9 + 6.4)

5� �0

FIGURE 3.1.1.4.1−3 BERTHING STAY−OUT ZONE

3 - 6

R 38.8 REF

10.2 (min) (259.1)

10.3 (max) (261.6)

CBM seal surface

CBM passive ring

R 48.9

ÎÎÎÎ5°

SECTION A−A

APM center line

PCBM SKIRT

R 43.3

(986)

(1100)

(1242)

Stay−out Zone applicable during berthing operation only

ÎÎÎÎ

FIGURE 3.1.1.4.1−4 SECTION A−A OF STAY−OUT ZONE ENVELOPE FOR CBM

METEOROID/DEBRIS COVER

3 - 7

− Stayout Zone Applicable during berthing operations only.

Dynamic Berthing Stayout Zone

M/D cover petal maximum radius

APM Center Line

CBM passive ring

* 10.20 (min) (259.1)

10.30 (max) (261.6)

CBM seal surface

R 38.8 REF

(986)

R 43.3 Shield (1100)

R 51.1 (1298)

R 56.6 (1438)

R 60.7 (1542)

13.66 (347)

APM

Resource Node Radial Port

FIGURE 3.1.1.4.1−5 SECTION B−B OF STAY−OUT ZONE ENVELOPE FOR CBM

METEOROID/DEBRIS COVER

3 - 8

3.1.1.4.2 SSMB−NODE UNBERTHED CONFIGURATION

The worst case static envelope of the SSMB−Node configuration before berthing the APM shall not exceed the limits specified in Figure 3.1.1.4.2−1, SSMB Node Unberthed Configuration Static Envelope.

176.27 (4477.2) O.D. max

265.36 REF.

(6740.1)

NOTES:

1. MLI/MDPS shield installed.

2. CBM covers envelope is shown in SSP 41004 in open and closed position

3. ACBM flange protection covers open. For dimensions see SSP 41004.

4. Measured from ACBM to PCBM interface planes.

Port

Starboard

X ACBM = 0

.5

(1

8.

9)

See Note 3

See Note 1 Node 2

APM SIDE

C

See Note 4

L

FIGURE 3.1.1.4.2−1 SSMB NODE UNBERTHED CONFIGURATION STATIC ENVELOPE

3 - 9

3.1.1.4.3 APM/SSMB NODE CLEARANCE DURING BERTHING

During berthing operations under a maximum misalignment between the SSMB−Node and the APM as specified in Table 3.1.1.4.3−1, the minimum clearance between the APM and the SSMB−Node static envelopes shall be equal or greater than 6 inches (152.4 mm). Under the above condition, the distance between the plane of the ACBM (XACBM = 5.15” (130.80 mm)) and the plane of the PCBM (XPCBM = 11.15” (283.2 mm)) is equal to 10” (254 mm). Refer to SSP 41004 for identification of planes. Envelope penetrations shall be allowed only between the Active CBM and the Passive CBM.

TABLE 3.1.1.4.3−1 MISALIGNMENT DURING BERTHING

MISALIGNMENT MEASUREMENT/DEGREE

Lateral Misalignment less than +/− 3.0 in (+/− 76.2 mm)

Angular Misalignment − Roll less than +/− 1.5 deg.

Angular Misalignment − Lateral less than +/− 1.5 deg.

3.1.1.5 DELETED

FIGURE 3.1.1.5−1 DELETED

3.1.1.6 INSTALLA TION OF THE ISS COMMON HATCH

The APM internal volume shall be isolated from the external environment by using the ISS Common Hatch, during ground, launch and on−orbit (berthed and unberthed) phases. The ISS Common Hatch shall be used to provide crew access to the APM.

3.1.2 MASS PROPERTIES REQUIREMENTS

3.1.2.1 APM MASS AT BERTHING

The maximum mass of the APM at berthing with the SSMB shall not exceed 28164 lb (12775 kg).

3.1.2.2 ON−ORBIT APM MASS

The APM and the SSMB shall be designed for a 46297 lb (21000 kg) maximum mass of the fully outfitted APM in its orbit configuration. This mass includes a full set of services and the full payload complement.

3 - 10

3.1.3 FUNCTIONAL INTERFACES

3.1.3.1 UTILITY PROVISIONS

The APM and the SSMB Node shall provide on−orbit functional interfaces for the mutual transfer of data, video, audio, power, thermal coolant, atmosphere, waste water, nitrogen, and atmosphere sample utilities between the APM and the SSMB.

3.1.3.2 UTILITIES I/F LOCATION

All utilities interfaces between the SSMB Node and the APM shall occur at the APM pressure bulkhead feedthroughs.

3.1.3.3 UTILITIES ACCESSIBILITY

Utilities shall be accessible from inside the pressurized elements after the elements are berthed, so that mating of all APM to SSMB−Node utility interfaces can be performed by IntraVehicular Activities (IVA).

3.1.3.4 UTILITIES MATING

All utility interface connections shall be designed for manual mating after opening of the hatch of the interconnecting node and before opening of the APM hatch.

3.1.3.5 PASSAGEWAYS CLEARANCE

The clearance of the APM hatch and the SSMB−Node passage envelope for crew ingress/egress from the ESA APM during nominal operations shall be as specified in Figure 3.2.1.1.1−1 of SSP 41015, Part 1.

3.1.3.6 CENTERLINE BERTHING CAMERA SYSTEM T ARGET

The APM shall accommodate installation of the Centerline Berthing Camera System (CBCS) target on the common hatch in accordance with SSP 41015, Part 1, paragraph 3.2.1.1.2.3.

3.1.4 STRUCTURAL/MECHANICAL INTERF ACES

3.1.4.1 ACCOMMODATION OF ACTIVE CBM

The SSMB shall support the accommodation of the Active CBM on the SSMB−Node side of the interface, in accordance with the limit loads defined in section 3.1.4.3.

3.1.4.2 ACCOMMODATION OF PASSIVE CBM

The APM shall support the accommodation of the Passive CBM on the APM side of the interface, in accordance with the limit loads defined in section 3.1.4.3.

3 - 11

3.1.4.3 ON−ORBIT LOADS

3.1.4.3.1 TRANSIENT LOADS A T CBM CENTRAL INTERFACE PLANE

The SSMB Node and the APM shall withstand the transient limit loads defined for the applicable APM configurations in Table 3.1.4.3.1−1, when combined with the applicable event consistent pressure and temperature induced loads. The loads are applied at the central interface plane between the active and passive CBM parts under the following conditions:

− bending / shear w.r.t. axes around 360 degrees;

− APM configuration consistency;

− all loads components applied simultaneously;

− for load transformation, active and passive CBM are assumed rigidly stiff.

When pressure loads has relieving or stabilizing effect, the minimum value of the relieving pressure shall be used, multiplied with a Factor of Safety of 1.0.

Thermal loads shall only be combined with mechanical and pressure loads when they are additive, not when they are relieving.

TABLE 3.1.4.3.1−1 ON−ORBIT LIMIT LOADS A T CBM CENTRAL INTERFACE PLANE

APM

Configurations APM at BERTHING APM BERTHED

Case 1 Case 2 Case 3 Full and Partial APM Outfit

(2)

AXIAL −7260 lbf (−32,292 N)

−2,060 lbf (−9,163 N)

−4,905 lbf (+/−21,818 N)

+/−1,450 lbf (+/−6,450 N)

RSS SHEAR +/−750 lbf (+/−3,336 N)

+/−700 lbf (+/−3,114 N)

+/−1,330 lbf (+/−5,915 N)

+/−1,180 lbf (+/−5,249 N)

RSS BENDING

+/−60,500 in−lbf (+/−6,836 N−m) +/−12,200 in−lbf

(+/−1,378 N−m) +/−64,500in−lbf (+/−7,288 N−m)

+/−231,200 in−lbf

(+/−26,122 N−m)

TORSION

+/−35,400 in−lbf (+/−4000 N−m)

+/−139,100 in−lbf

(+/−15,716 N−m)

+/−65,400 in−lbf (+/−7,390 N−m)

+/−97,400 in−lbf (+/−11,005 N−m)

Notes:

1. Applicable uncertainty factors are included.

2. Partial Outfit: First reconfiguration of launch configuration. Full Outfit: with all NASA and storage racks/max payload.

3.1.4.3.2 PRESSURE LOADS

The pressure limit load cases applicable to the SSMB Node and the APM shall be as defined in Table 3.1.4.3.2−1.

3 - 12

TABLE 3.1.4.3.2−1 PRESSURE LIMIT LOAD CASES

NODE HATCH

STATUS

APM HATCH

STATUS

NODE

PRESSURE

psia (Pa)

CBM

VESTIBULE

PRESSURE

psia (Pa)

APM

PRESSURE

psia (Pa)

UNBERTHED CONFIGURATION AND BERTHING

Closed − P1 0 −

− Closed − 0 P2

BERTHED CONFIGURATIONS

Closed Closed P1 P3 (3) P2

Open Closed P1 P1 (3) P2

Closed Open P1 P2 (3) P2

Open Open P1 P1 P1

Notes:

1. 0 psia (0 mbar) � Pi � 15.2 psia (1048 mbar) (i=1,2,3)

2. No pressure differential in adjacent compartments across an open hatch.

3. The pressure in the CBM Vestibule shall not be higher than the APM/Node internal pressure plus 4 psi (276 mbar).

3.1.4.4 ON−ORBIT LOAD SPECTRA

3.1.4.4.1 TRANSIENT DYNAMIC LOAD SPECTRA

The SSMB−Node and the APM shall support the load spectra specified in Table 3.1.4.4.1−1, applied for the applicable on−orbit lifetime.

The on−orbit transient load spectra apply to the on−orbit limit loads of Table 3.1.4.3.1−1 of the full and partial APM outfit configuration. To these load spectra one berthing APM load cycle is to be added (2 cycles for each case including life factor).

The transient load spectra shall be combined with the normal operating mean pressure load at the Node and the Hatch open status. Transient load spectra and pressure spectra apply as independent load cycle events.

3 - 13

TABLE 3.1.4.4.1−1 ON−ORBIT TRANSIENT LOAD SPECTRA

% of Design to Load Cycles

90−100 1 80−90 3 70−80 3 60−70 5 50−60 12,200 40−50 35,700 30−40 62,400 20−30 456,600 15−20 788,400 10−15 1,453,000 5−10 13,429,000 2.5−5 22,440,000

3.1.4.4.2 PRESSURE LOAD SPECTRA

The SSMB−Node, CBM and APM shall support the nominal and contingency on−orbit pressurization cycles specified in Table 3.1.4.4.2−1.

TABLE 3.1.4.4.2−1 ON−ORBIT PRESSURE LOAD SPECTRA

PRESSURE RANGE

(psia)

MEAN PRESSURE

(psia)

NUMBER OF CYCLES

(15 years)

15.2 7.60 10

0.57 14.63 135

0.45 14.63 540

0.37 14.63 675

0.34 14.63 540

0.22 14.63 1950

0.20 14.63 975

0.19 14.63 975

0.18 14.63 495

3.1.4.4.3 ON−ORBIT THERMAL STRUCTURAL LOADS

3.1.4.4.3.1 ON−ORBIT THERMALLY INDUCED STRUCTURAL LOADS

The SSMB Node 2 and APM shall support the induced loads associated with maximum ACBM to PCBM temperature differential at the time of CBM berthing, combined with the induced loads

3 - 14 associated with a maximum ACBM to PCBM transient (steady state) temperature differential or the loads specified in Table 3.1.4.4.3.1−1, On−Orbit Thermally Induced Structural Loads, applied at the ACBM to PCBM interface plane. These loads in conjunction with the pressure and inertial loads shall be used in the integrated analysis of the Node 2, CBM and APM.

TABLE 3.1.4.4.3.1−1 ON−ORBIT THERMALLY INDUCED STRUCTURAL LOADS

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ On−orbit Thermal Loads

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ CASE 1

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁCASE 2

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁCASE 3

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁCASE 4

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁFRAD (Radial, Positive Outboard, lb)

MTANG (Tangential, in−lb)

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ15,500

5,280

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ15,500

5,280

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ−15,500

−5,280

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ−15,500

−5,280ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Axial (ZREF, lb)

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Bolt Position 1

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ −205

−900

−320

−680

−430

−330 −290 −780

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ

−810

−215

−280

−975

−260 −370

−815 −220

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ −205

−900

−320

−680

−430

−330 −290 −780

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ

−810

−215

−280

−975

−260 −370

−815 −220

Notes:

1. The load case is to be applied that maximizes internal loads in the structure.

2. The radial shear and tangential moment loads are to be applied at each of the ACBM to PCBM powerbolt attachment locations, simultaneously, resulting in zero net shear and moment loads at the interface plane. The powerbolt attachment locations are identified in Table 3.1.4.4.3.1−2, ACBM/PCBM Interface Bolt Locations, and Figure 3.1.4.4.3.1−1, ACBM/PCBM Interface Plane Attachment Bolt Locations.

3. The axial loads are to be combined with the shear and moment loads at each of the powerbolt locations of Table 3.1.4.4.3.1−2, ACBM/PCBM Interface Bolt Locations. The axial loads are to be applied simultaneously and sequentially at the powerbolt clock angle, achieved by clocking both clockwise and counterclockwise, that maximizes internal element loads.

3 - 15

TABLE 3.1.4.4.3.1−2 ACBM/PCBM INTERFACE BOLT LOCATIONS

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁINTERFACE

BOLT

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁRADIUS (in)

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ� (deg)

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁA

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ36.639

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ11.25

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁB

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ36.639

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ33.75

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A B

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E

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J

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RREF

TREF

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MTANG

FRAD

ZREF

FIGURE 3.1.4.4.3.1−1 ACBM/PCBM INTERFACE PLANE A TTACHMENT BOLT

LOCATIONS

3 - 16

3.1.4.4.3.2 ON−ORBIT THERMALLY INDUCED LOADS SPECTRA

The SSMB Node 2 and APM shall withstand the thermally induced structural loads due to the maximum on−orbit temperature difference across the ACBM to PCBM interface or the loads specified in Table 3.1.4.4.3.2−1, On−Orbit Transient Thermal Loads, when cycled…