Avaya MCC1 Maintenance Procedures page 175

Table 61, A500 LED Quick Reference,
and the meanings of the different states.
Table 61: A500 LED Quick Reference
Component
Switch
Processor
Board
Switch Fabric
Board
Port Board
Maintenance Procedures
December 2003
on page 175 shows the various LEDs on the A500 ATM switch
Label Color State
LK Green Intermitten
t blink
RX Green Steady on
DIAG Green Off
NBOO Green Off
T
MGT Green Off
RUN Green Steady on
PWR Green Steady on
VOLT Amber Off
TEMP Amber Off
FAN Amber Off
SYSER Amber Off
R
FAULT Amber Off
PWR Green Steady on
FAULT Amber Off
PWR Green Steady on
FAULT Amber Off
Meaning
Normal state. Traffic is being sent or
received over the Ethernet LAN link.
Normal state. Carrier is received over the
Ethernet LAN link.
Normal state.
Normal state.
Normal state.
Normal state. The switch processor is
running.
Normal state. The switch processor board is
powered up.
Normal state
Normal state
Normal state
Normal state
Normal state
Normal state. The switch fabric board is
powered up.
Normal state
Normal state. The port board is powered up.
Normal state
Troubleshooting
Troubleshooting ATM
(1 of 2)
175