2 – General Description
Chassis Controls and LEDs
59265-00 A 2-3
A
Maintenance Button
The Maintenance button, shown in Figure 2-2, is a dual-function momentary
switch on the front panel. Its purpose is to reset the switch or 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 Using
Maintenance Mode” on page 5-13 for more information.
Resetting a Switch
To reset the switch, press and hold the Maintenance button for less than 2
seconds. The switch will respond as follows:
1. All the chassis LEDs will illuminate except the System Fault LED.
2. After approximately 1 minute, the power-on self test (POST) begins,
extinguishing the Heartbeat LED.
3. When the POST is complete, the Input Power LED is illuminated and the
Heartbeat LED is flashing once per second.
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 for a few seconds
until only the Heartbeat LED is illuminated. Continue holding the
maintenance button until the Heartbeat LED extinguishes, then release the
button. The Heartbeat LED illuminates continuously while the switch is in
maintenance mode.
To exit maintenance mode and return to normal operation, press and release the
Maintenance button momentarily to reset the switch.
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