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Chapter 3: Hardware Description
Figure 3-2. System Status LEDs on the front panel.
Table 3-2. System Status LEDs
LED Color Status
PWR AC Green Lights when power is on.
PWR DC Green Lights when power is on.
SYS Green/ Amber Blinks when system is booting.
Lights when system is coming up.
ALARM Red Normally off; only system error will turn the light on.
3.4 Power Supply Sockets
There are dual power inputs on the front panel of the switch for power redundancy. The switch has a 100 to 240 VAC power
socket for AC power Input and a -36 to -48 VDC power input via terminal block.
100 to 240-VAC -36 VDC to -48 VDC
Power Input Power Input
Figure 3-3. Power supply connectors.