Rps Led - 3Com 5500-EI PWR Getting Started Manual

Figure 5 RPS Connection to the Switch
When the RPS is connected to the Switch, the circuit breaker in the RPS
can be moved to the closed (on) position and the Switch will be powered
by the 48V DC power.
The 48V DC power will take priority over the AC mains and will power
the Switch if it is connected.

RPS LED

The RPS status LED on the front of the Switch 5500 indicates the status of
the RPS and AC supplies as shown in
Table 9 RPS LED Colors
Color
Green
Yellow
Off
+ -
N U LL
0 V ;2 .0
-4 8 -6
z ;1 .0 A
0 /6 0 H
4 0 V ;5
~
1 0 0 -2
NULL
-48 -60V;2 0A
Null
Pinout
-
+
State
AC and RPS supply connected.
AC failed or not connected. RPS supply is ok.
There is no RPS supply connected.
Connecting a Redundant Power Supply
A
Cable Tie
Table 9.
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