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D-2
Switch Reference
Front of Switch
Switch Reference
LED State Meaning of LED
Power
(green)
on
off
The switch is receiving power from the main power supply or
from the optional RPS (redundant power supply).
The switch is not receiving power. See chapter 9,
“Troubleshooting”.
Fault
(orange)
on
(steady)
flashing
Either the switch hardware has failed the self-test or a software
error has occurred and auto-reboot is off. In this case, push the
Reset button. See chapter 9, “Troubleshooting”.
Also operates in conjunction with the Self-test LED during the
power-on and reset self-test cycles. See “Self-test”, below.
The switch is operable, but a fault condition has occurred in the
switch or an installed transceiver module, a fan, or a redundant
power supply (RPS—if connected). The corresponding fault LED
for the affected component will flash simultaneously. Refer to
chapter 9, “Troubleshooting”.
RPS
(green)
on
off
An (optional) Redundant Power Supply (RPS) is connected and
functioning properly.
No RPS is connected to the switch, or the RPS has failed. See
chapter 9, “Troubleshooting”.
Self-test
(green)
off
on
(steady)
flashing
Normal operation, except as described below.
Power-on or reset self-test. During this time the Fault LED is also
on and the switch is inoperable.
Indicates one of the following:
• A self-test failure has occurred, but the switch remains
partially operable.
• The Config Clear button is being pressed during a reset.
Release the button. (Refer to “Reset and Config Clear Buttons”
on page D-4.)
Security
(orange)
flashing Either an SNMP Authentication failure or a traffic filter violation
has occurred. Refer to chapter 9, “Troubleshooting”.
SEDONA.BK : sed_apd2.fm5 Page 2 Thursday, February 27, 1997 10:11 AM