System Leds - Paradyne 7520 User Manual

System LEDs

7520-A2-GB20-20
OK:
ON – DSU is operational.
OFF – DSU is performing a power-up self-test, has detected a system
failure, or there is no power.
ALARM:
ON – DSU has detected an alarm condition locally or from
the network. Refer to
TEST:
ON – Test in progress. Test can be initiated locally, remotely,
System
red green yellow
May 1998
Troubleshooting
or from the network. Includes power-up self-test.
Network
Monitoring the DSU
in Chapter 6.
Port
496-15062
4-9