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2 – General Description
Chassis Controls and LEDs
59021-08 B 2-3
D
2.1.2
Maintenance Button
The Maintenance button is a momentary switch on the front panel. Its purpose is
to place the switch in maintenance mode. Maintenance mode sets the IP address
to 10.0.0.1 and provides access to the switch for maintenance purposes when
flash memory or the resident configuration file is corrupted. Refer to ”Recovering a
Switch” on page 5-13 for information about maintenance mode.
To place the switch in maintenance mode, do the following:
1. Isolate the switch from the fabric. Open a Telnet session, and enter the
Shutdown command. Refer to ”Shutdown Command” on page B-77.
2. Place both power supply switches in the Off position.
3. Press and hold the Maintenance button with a pointed, then place one of the
power supply switches in the On position. You can release the Maintenance
button after the Input Power LED illuminates. When the switch is in
maintenance mode, the Heartbeat LED illuminates continuously. Refer to
”Chassis LEDs” on page 2-3 for information about the Input Power LED and
the Heartbeat LED.
To return to normal operation, power cycle the switch.
2.1.3
Chassis LEDs
The chassis LEDs shown in Figure 2-3 provide status information about switch
operation. Refer to ”Port LEDs” on page 2-5 for information about port LEDs.
Refer to ”Power Supplies” on page 2-9 for information about power supply LEDs.
Figure 2-3. Chassis LEDs
Over Temperature LED
(Amber)
Input Power LED
(Green)
Fan Fail LED
(Amber)
Heartbeat LED
(Amber)