Allied Telesis AT-10408XP - Manual (Page 21)

AT-10408XP 10-Gigabit Ethernet Switch Installation Guide
21
Status LEDs The status LEDs are shown in Figure and described in Table 4.
Figure 6. Status LEDs
In the following table, the PSU1 and PSU2 LEDs refer to the slots on the
rear of the chassis. When you are facing the AT-10408XP switch, the
PSU1 LED pertains to the module installed in the left slot and the PSU2
LED pertains to the module installed in the right slot. You can install either
the AT-FAN01 fan module or the AT-PWR02 AC power supply in these
slots.
Table 4. Status LEDs
1220
STATUS
FAULT
MASTER
PSU1
PSU2
LED Color State Description
Fault Red On Indicates one of the following:
- There is a system fault.
- One of the five internal fans is bad.
- The voltage is out of range.
- The temperature of the switch is out of
range.
Off Normal operation.
Master Green On The switch is in standalone mode.
Off The switch is not in standalone mode.
PSU1
or
PSU2 Green On The PSU installed is supported.
Off The fan is installed and operating
normally.
Fault
and
PSU1
or
PSU2 Red On Indicates one of the following:
- The PSU temperature threshold is out of
range.
- The fan has failed.
- The bay is empty.
- The PSU installed is not supported.
- The power connection is bad.