Figure 1-6: Power Supply; Figure 2-1: Voltage Test Points On The Backplane - PictureTel Concorde 4500 Servicing Manual

Slot: 8 7 6
AI Empty VI
F.Y.I.
F Y I
5 4
DI Communications Empty
Test points

Figure 2-1: Voltage Test Points on the Backplane

If you are using an older revision of the Backplane, the test
points may be different.
3 2 1
Full HAP 4
HAP optional
Power
supply
TP1 GND
TP4 VCC
TP5 -12V
TP2
+12V
Backplane
TP3 -5V
2-3