Avaya 555-233-116 - Manual (Page 39)

1145B power supply
Issue 4 October 2002 39 555-233-116
Wire the 1146 power distribution unit
Wire endpoints to the 1146 while power from the 1145B is on.
1. Install cross-connect jumpers (the label shows polarity) to Pins 7 and 8 of
the appropriate information outlet. Route the wires through the clip
provided on the unit. If a red LED is on, see
‘‘Repairing short circuits and
resetting red LEDs’’ on page 40 . Figure 5 shows the connections.
A red LED lights if the associated circuit is connected to shorted wiring or a
shorted terminal.
Figure 5. Typical wiring to a terminal
2. Mark lead destinations, unit number, and connectivity information on the
label next to each connector.
1. Power supply kit
2. 2.5, 5.0, or 8.0 A hour battery
3. 1146 power distribution unit
4. 1145B power supply
5. Circuits 1-17
6. Circuits 17-32
7. Port circuit 8. Main distribution frame
9. Modular cord
10. AC input
11. Ground wire
12. ISDN/ display system protocol terminal
13. Circuits 1-32
14. Pins 7 and 8 (display terminal power)
3
4 5
1
11
2
7
12
13
14 6
8
9 9
10
14