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Installation, Operation, Maintenance Manual
The rear of the chassis (refer to the figure below) is provided with redundant pairs of power
inputs for DC. These pairs are marked J1 and J2. Each pair (the two input terminals
marked J1 and the two input terminals marked J2) must be connected to a separate power
source for the redundancy configuration to function correctly.
Make sure that the power connections are according to the indicated
polarity.
To connect the DC power to the terminals on each terminal block,
take these 5 steps:
1.
Remove input terminals from the PEM.
2.
Connect two 14 AWG stranded wiring to the inputs, paying attention to the polarity,
and tightening the upper screws.
3.
Reinsert the input terminals into the power input terminals, and fastening the screws
on the left and right sides. Refer to the figure below.
4.
Check the LED indicators of the various boards are lit according to the table below.
Version 3.0
Figure 8-2: DC Power Connections Redundant Pairs
WARNING
77
8. Powering Up
October 2005
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Troubleshooting
