Nortel DualMode 800, Maintenance Manual

Page: 92 / 216

4-2 Power-up procedure
411-2051-500 Draft 00.01 November 1999
Voltage checks
This entire procedure is used for installation and commissioning only.
Figure 5-2 shows the DC breaker assignments on the RIPs. The breakers and
the common ground bar distribute the power/grounding to the individual
shelves through cables that exit out connectors in each side of the RIP. The
cables are then routed down each side of the frame.
4 Verify that the breaker positions on the power
bay have been labeled and are cabled as
indicated on the labels. Note: See Tables 5-12 to 5-4 for the RIP
breaker panel assignments.
5 Verify that the equipment bays are bonded to
the principle ground bar line-up feeder with a
#6 AWG jumper.
Table 4-1
Minimum bending radii of power cables
Wire Size Inches Millimeters Wire Sizes Inches Millimeters
14 AWG 11/16 17.5 3/0 AWG 3 3/16 80.5
12 AWG 3/4 19.6 4/0 AWG 3 7/16 87.6
10 AWG 15/16 23.1 300 MCM 4 1/8 104.6
8 AWG 1 3/16 31.0 350 MCM 4 3/8 111.5
6 AWG 1 1/2 39.6 400 MCM 4 5/8 117.3
4 AWG 1 3/4 45.7 500 MCM 5 1/16 128.3
2 AWG 2 1/8 53.3 600 MCM 5 9/16 142.2
1 AWG 2 1/2 63.0 700 MCM 5 15/16 151.1
1/0 AWG 2 5/8 68.0 750 MCM 6 1/8 155.4
2/0 AWG 2 7/8 73.9 800 MCM 6 5/16 160.0
Step Action Observation