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9-32 Issue 1 September 1995
Wire the 1146B1 Power Distribution Unit
It may be better to wire endpoints to the 1146B1 while power from the 1145B1 is
on. This way, a red light emitting diode (LED) on the distribution unit lights if you
connect its associated circuit to shorted building wiring or to a shorted terminal.
1. Install cross-connect jumpers to wire from the Distribution Unit (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 light
emitting diode (LED) is on, see the next section
Reset light emitting
diodes (LED) on Power Distribution Unit
. The following illustration shows
a typical connection.
2. Mark lead destination on the label next to each connector on the
Distribution Unit. Also mark the Unit Number and Connectivity
information on the label.
Figure 9-14. Typical Wiring to a Terminal
4
2
1
10
32
17
16
12
3
7
6
5
8
11
1
99
1. Alternating Current (AC)
2. Installer-provided ground wire
3. Circuits 1-32
4. Power supply kit
5. Battery
6. 1145B1 Power Supply
7. 1146B1 Distribution Unit
8. Private branch exchange Port Circuit
9. Tip and Ring
10. Pins 7 & 8
11. Cross-Connect
12. Integrated Services Digital Network
(ISDN)/ Display System Protocol (DSP)
Terminal
Figure Notes: