Installation guide

2 – General Description
Chassis Controls and LEDs
59096-00 A 2-3
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2.1.1.2
Placing the Switch in Maintenance Mode
To place the switch in maintenance mode, do the following:
1. Isolate the switch from the fabric.
2. Press and hold the Maintenance button with a pointed tool. When the
Heartbeat LED alone is illuminated, release the button.
3. After a few seconds, the POST begins illuminating all chassis LEDs.
4. When the POST is complete, the chassis LEDs extinguish leaving only the
Heartbeat LED illuminated. The Heartbeat LED illuminates continuously
while the switch is in maintenance mode.
To exit maintenance mode and return to normal operation, momentarily press and
release the Maintenance button to reset the switch.
2.1.2
Chassis LEDs
The chassis LEDs shown in Figure 2-3 provide status information about switch
operation. Refer to “Port LEDs” on page 2-6 for information about port LEDs.
Figure 2-3. Chassis LEDs
System Fault LED
(Amber)
Heartbeat LED
(Green)
Input Power LED
(Green)