User Manual

D ESCRIPTION OF H ARDWARE
1-7
Optional Redundant Power Unit
SMC supports an optional Redundant Power Supply (RPS), that can supply
power to the switch in the event of failure of the internal power supply.
Power Supply Receptacle
There are two power receptacles on the rear panel of the switch. The
standard power receptacle is for the AC power cord. The receptacle
labeled “RPS” is for the optional Redundant Power Supply.
Figure 1-4 Power Supply Receptacle
Diag Flashing Green The system diagnostic test is in progress.
On Green The system diagnostic test has completed
successfully.
On Yellow The system diagnostic test has detected a fault.
Yellow/Green
Alternating
There has been a fan fault or the unit has
overheated.
Table 1-3 System Status LEDs (Continued)
LED Condition Status
100-240V~
50-60Hz 2A
Power Socket
Redundant Power Socket