2-10
Issue 9 October 1998
363-206-204
Equipment and Rear Access Cable Installation
8. Peel back the blue mylar on the DS1 cables to expose the silver foil. The
foil provides a ground connection to the cable shield through the shelf cable
clamp.
9. Wrap a single layer of electrical tape around the loose wires of the cable
assembly where they fit through the access slots on the side of the cham-
ber. This will help to prevent the wire insulation from being cut by the sharp
edges on the slots.
10. Place the DS1 cables in the cable chamber clamps as shown in Figure 2-8.
NOTE
:
The shelf is equipped with cable clamps for the 22 gauge cable assemblies
(Groups 301-303, 307-309, or 313-315). If 26 gauge cable assemblies
(Groups 304-306, 310-312, or 316-318) are being used, replace these with
the cable clamps, provided as spare parts, with the shelf).
NOTE
:
DS1 cables MUST be placed in the cable clamp so the silver foil makes a
good electrical connection with the cable clamp.
11. Attach the DS1 cable clamps and the cable chamber cover.
12. Route the cabling along the backplane per Figure 2-8 and out of the bay to
the DSX per Figure 2-2 or Figure 2-3.
13. Tie the cables to the side rear cover mounting assemblies racks.
14. Verify that the DS1 cables are not touching any backplane pins.
15. Verify that no backplane pins were bent when routing the DS1 cable along
the backplane.
16. Remove slack and cut the DS1 cables to the desired length at the DSX.
NOTE
:
The DS1 cables are required to have a minimum length of 30 feet.
17. Referring to Table 2-6, carefully observe color codes and wire-wrap the
cables at the DSX-1.
DS3/EC-1 Cable Installation - Rear
Access
Description
This procedure describes how to connect the DS3 or EC-1 cables to the shelf and
route the cables out of the bay and to the DS3/EC-1 terminating equipment.
Perform this procedure if DS3/EC-1 cables are required.
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