182
Installing and Wiring Telephone Power Supplies
October 2002
1 Install cross-connect jumpers to wire from the 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 LED is on, see ‘‘Reset LEDs on Power Distribution Unit’’ on page 182
.
See ‘‘Typical Wiring to a Telephone’’ on page 182
.
2 Mark lead destinations on the label next to each connector. Also mark the Unit Number
and Connectivity information on the label.
Typical Wiring to a Telephone
Reset LEDs on Power Distribution Unit
A red LED next to any of the 32 power output connectors indicates a short circuit in the
building wiring or the terminal equipment. To reset the LED:
Figure notes
1 Power Supply Kit
2 2.5, 5.0, or 8.0 Amp Hour Battery
3 1146B2 Distribution Unit
4 1145B2 Power Supply
5 Circuits 1-16
6 Circuits 17-32
7 Port Circuit
8 Main Distribution Frame
9 Modular Cord
10 Pins 7 and 8 (Display Terminal
Power)
11 AC Input
12 Installer-Provided Ground Wire
13 ISDN/ Display System Protocol
Terminal
14 Circuits 1-32
3
4
5
1
11
2
7
12
13
14
6
8
9 9
10
14
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