Installation guide

Introduction
1-6
1
Optional Redundant Power Supply
The switch supports an optional Redundant Power Supply (RPS), that can supply
power to the switch in the event the internal power supply fails.
Power Supply Receptacles
There are two power receptacles on the rear panel of each switch. The standard
power receptacle is for the AC power cord. The receptacle labeled “RPS” is for the
optional Redundant Power Supply (RPS).
Figure 1-4 Power Supply Receptacles
Stack ID 1-8 Indicates the switch stack ID.
The Master unit is numbered 1. (Note that If the master unit fails
and a backup unit takes over, the stack IDs do not change.)
Slave units are numbered 2-8.
Off In standalone mode.
Table 1-3 System Status LEDs (Continued)
LED Condition Status
Redundant Power Socket
Power Socket