HP J3245A Installation And Configuration Manual page 178

Switch Reference
Front of Switch
LED
Power
(green)
Fault
(orange)
RPS
(green)
Self-test
(green)
Security
(orange)
D-2
State Meaning of LED
on 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,
off "Troubleshooting".
on Either the switch hardware has failed the self-test or a software
(steady) 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.
flashing 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".
on An (optional) Redundant Power Supply (RPS) is connected and
functioning properly.
off No RPS is connected to the switch, or the RPS has failed. See
chapter 9, "Troubleshooting".
off Normal operation, except as described below.
on Power-on or reset self-test. During this time the Fault LED is also
(steady) on and the switch is inoperable.
flashing 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.)
flashing Either an SNMP Authentication failure or a traffic filter violation
has occurred. Refer to chapter 9, "Troubleshooting".