Q-Logic 2-8C Placing the Switch in Maintenance Mode, Chassis LEDs, Over Temperature LED Amber

0	2 – General Description
	Chassis Controls and LEDs

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 for 2–4 seconds. When the Input Power LED alone is illuminated, release the button.

3.After approximately 1 minute, the POST begins illuminating all chassis LEDs.

4.When the POST is complete, the chassis LEDs extinguish leaving the Input Power LED and 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 2-3provide status information about switch operation. Refer to ”Port LEDs” on page 2-5for information about port LEDs.

Over Temperature LED	Input Power LED
(Amber)	(Green)
Fan Fail LED	Heartbeat LED
(Amber)	(Amber)

Figure 2-3. Chassis LEDs

2.1.2.1

Over Temperature LED (Amber)

The Over Temperature LED provides status information about the air temperature inside the switch. This LED illuminates to indicate that the switch logic circuitry is overheating. Refer to Section 5 Diagnostics/Troubleshooting for information about troubleshooting over temperature conditions.

59042-06 A 2-3