Installation guide

Product Description
26
System LEDs Systems
# All models
Description
The system LEDs on the front panel display general status information
about the entire switch and are defined in Table 5.
Table 5 System LEDs
LED State Description
Fault OFF Indicates normal operation.
Solid Red Indicates that the switch or management software has
malfunctioned. (Refer to Chapter 3, Troubleshooting on
page 75 for instructions on how to troubleshoot the
problem.)
Flashing Red Indicates that the switch is loading its operating software,
running diagnostic tests, writing messages to FLASH, or
downloading files using XMODEM.
MASTER Solid Amber Indicates that the switch is functioning as the master switch
of an enhanced stack.
OFF Indicates that the switch is not a master switch of an
enhanced stack or is not a member of a stack.
RPS
(AT-8016F Series
and AT- 8024M
Fast Ethernet
Switches Only)
Solid Green Indicates that an optional redundant power supply is
connected to the switch.
OFF Indicates that there is no optional redundant power supply
connected to the switch.
PWR Solid Green Indicates that the switch is receiving power.