Shore Tie Cable Standards.pdf

(This document defines the standards to be used for U.S. Coast Guard Shore Tie cables.)

U.S. Coast Guard C4&IT Shore Tie Cable

Standards

(Rev 1.4)

Effective Date:

19 June 2013

X

Chief, Enterprise Infrastructure Mgmt (CG-64)

X

Chief, Enterprise Infrastructure Product Line

Table of Contents

1. Shore Tie Cable Standards

1.1. Cable

1.2. Connectors

1.2.1. Cable Connector

1.2.2. Shore-side and Shipboard Connector

1.3. Pin-outs

1.4. Shipboard Configuration

1.4.1. NSC

1.4.2. FRC, 175, 210, 225, 240, 270, 378, 399, 420 and EAGLE

1.4.3. 140 and below

1.5. Shore-Side Pier Configuration

1.6. Connector Assembly

1.7. Support

1. Shore Tie Cable Standards

This document provides best practices, based on the collaboration of members from the

Telephony; Voice, Data and Video (TVDV) working group and CG Subject Matter Experts

(SME’s). This document replaces the current 64-CSTO-M2000.3D-20090930 standard.

C4&IT shore tie cables provide shipboard connectivity to the provided voice circuits and data circuit from the servicing shore facility. No other services (ie; CCTV, CATV etc.) are considered part of the standard C4&IT shore tie. Space for vendor provided CATV will be allocated on the shoreside pier mound(s).

1.1. Cable: Shore Tie cable is Belden’s 9389, 18 gauge, stranded 6 pair cable. Extensive research and testing went into the selection of the Belden 9389 cable to replace the

LSTTOP10 that was widely used in the past. The 9389 is considerably lighter, is cat 5 data compliant with individually shielded pairs, and is a COTS product. The smaller size and weight make this cable easier to handle and store while increasing the performance and quality of service to all cutters. Each conductor has the cable pair is printed on it, numbered 1 thru 6.

1.2 Connectors: Currently the Coast Guard standard connector for all shore ties will be the

Russell Stoll SKW series. This series is an aluminum connector that provides considerably less corrosion than the previous steel versions. Each connector will be coupled via a 45 adapter to reduce water intrusion and reduce strain on the cable.

1.2.1 Cable Connectors: All cable plugs will be the RussellStoll SKWP12XG.

1.2.2 Shore-side and Shipboard Connector: Shore-side and shipboard receptacles will be the RussellStoll SKWR12XG.

1.3 Pin-outs: All vessels shall use the same configuration for plugs as follows: Plug 1 will consist of pins 1-8 as 4 dedicated voice circuits and pins 9-12 as the dedicated CGOne circuit. If required, Plug 2 will consist of pins 1-12 as 6 dedicated voice circuits for units requiring more than 4 dedicated voice lines. National Security Cutters (NSC) will utilize a third plug that will be unique to the NSC and will consist of pins 1-12 as 6 dedicated voice circuits. Shipboard receptacles will be the RussellStoll SKWR12XG.

Image 1.1

**See full drawing with notes on last page**

1.4 Configurations:

1.4.1 NSC: Due to the unique requirements of the NSC, each cutter will utilize 3 shore tie receptacles. Refer to 1.3 for pin-outs.

1.4.2 FRC, 175, 210, 225, 240, 270, 378, 399, 420 and EAGLE: Each cutter will utilize 2 shore tie receptacles. Refer to 1.3 for pin-outs.

1.4.3 140 and below: Each cutter will utilize 1 shore tie receptacle. Refer to 1.3 for pin-outs.

1.5 Shore-side Configuration: Shoreside pier mound will provide 4 dedicated copper C4&IT shoretie receptacles (RussellStoll SKWR12XG) and 2 future fiber optic receptacles (Delphi

Hermaphroditic 12-CH receptacles) per image 1.3. Copper receptacles will be fed with 2 each 25 pair Category 5-E rated cables via dedicated 4 inch conduits and shall be terminated using standard 5-pin Gas Tube protection devices (image 1.2). Conduits will be direct home-runs from the closest Telecommunications Closet with a maximum of 180 degrees of sweep between readily accessible pull boxes. Each shoreside pier mound will provide for future fiber optic receptacles via dedicated 4 inch conduits, allowing for the mounting of the 2 each Delphi

Hermaphroditic connectors. Conduits will be direct home-runs from the closest

Telecommunications Closet with a maximum of 180 degrees of sweep between readily accessible pull boxes.

Image 1.2

Standard 5 Pin Gas Tube Protection

Image 1.3

Pier box configuration

(Standard is 4 connectors, NSC configuration shown above)

Connector Assembly: Cutter Shore Tie cable assembly.

1. Strip back approximately 6 inches of PVC sheathing from both ends of cable.

2. Remove aluminum foil from each of the 6 pairs of cable and removing the grounding cable as well. Ensure that you label each pair as close to the PVC sheathing as possible.

3. Remove the three nylon filler strands to the PVC sheathing

4. Cut pairs 1 thru 4 to 2” and pairs 5 and 6 to 1 ½”.

5. Strip back approximately 3/8” of sheathing from each wire and tin the ends

6. Install onto cable in order the following parts or items: heat shrink tubing (optional), Gland nut/cable clamp, Gland nut copper washer, cable bushing, Plug lower housing, flange with rubber seal.

Note: Use a little bit of cable lube/gel on the outside of the cable to facilitate lubricating the cable bushing.

7. Install wires in order starting with pair 6 tip (black) into pin 11 and ring (red) into pin 12.

Pair 5 tip into pin 9 and ring into pin 10. Then start with pair 1 tip and ring into pins 1 and 2 and continue until all pins and wires have been installed.

8. Make sure to remove the ground strap connected to pin 1 of both the receptacle and the plug.

9. Assemble the connector and test continuity of each pin before weather proofing and putting into service.

Notes: Spray corrosion inhibitor on the untreated surfaces to help reduce corrosion from forming in addition to standard weather proofing.

10. Refer to TRACEN Petaluma Shore tie video for assembly steps and recommended weather proofing technique.

1.6 Support: ESU’s shall be responsible for maintaining shoreside pier mound receptacles and infrastructure.

Initial cables for legacy cutters have or will be provided by the local ESU/ESD.

After delivery, cutters that have IT/ET personnel assigned will maintain and support their own cables.

Units who do NOT have IT/ET personnel attached will rely on the local ESU/ESD to provide support and maintenance for their shore tie cables.

ESU’s will maintain spare cables based on their individual needs.