Avaya S8700 Maintenance Manual page 104

Alarms, Errors, and Troubleshooting
Table 4-5. A500 LED Quick Reference — Continued
Component Label
Switch Fabric PWR
Board
FAULT
Port Board PWR
FAULT
Port Board RX
Per Port
RX
RX
CD
CD
RPRD
Power Supply AC OK
DC OK
4-30 Issue 1 May 2002
Color State Meaning
Green Steady on Normal state. The switch fabric board is
powered up.
Amber Off Normal state
Green Steady on Normal state. The port board is powered up.
Amber Off Normal state
Green Off No ATM cells are being received. This is not
a normal state if the terminating port network
is supposed to be up and running.
Green Intermittent ATM cells are being received intermittently.
blink This is a typical pattern for
Multi-Connect
signaling connections are present, but no talk
paths are up (perhaps because no calls are in
progress).
Green Steady on ATM cells are being received frequently
enough that the LED is lit constantly. This is a
typical pattern for
CBR (constant bit rate) talk paths are present.
Green Off Loss of carrier on the fiber. The A500 detects
only if the A500-receive (right-hand) fiber is
not working. The state of the A500-transmit
(left hand) fiber is not detected.
Green Steady on Normal state. There is a optical carrier
detected on the fiber from the TN230X.
Amber Off Normal state
Green Steady on Normal state. AC power is okay.
Green Steady on Normal state. DC power is okay.
S8700
if only VBR (variable bit rate)
S8700 Multi-Connect
Continued on next page
555-233-143
if