Front Panel Leds - Paradyne 7974 User Manual

Front Panel LEDs

Table 7-5, Front Panel
front panels.
Table 7-5.
* Slow Cycling: LED turns off and on in equal duration once per second.
7900-A2-GB21-20
LEDs, describes the meaning and states of the LEDs on the
TM
7975 TDM SDSL
®
Front Panel LEDs
Label Color LED is . . .*
POWER Green On
Off
Slow Cycling
ALARM Red On
Off
TEST Yellow On
Off
Slow Cycling
DSL Green On
Off
Slow Cycling
Fast Cycling
DSX-1 Green On
DTE
Off
G.703
Slow Cycling
Fast Cycling
Fast Cycling: LED turns off and on in equal duration 5 times per second.
Pulsing: LED turns off momentarily once per second.
December 2001
7. Monitoring and Troubleshooting
Indicating . . .
Normal operation.
No power to the unit.
Unit is in minimum mode and a download is
required.
Device failure, or self-test has failed.
Self-test passed.
Loopback test or 511 test pattern in progress.
No tests in progress.
Self-test in progress.
DSL link is up.
The DSL link is down.
DSL training in progress.
An OOF condition.
DTE port is operational.
DSX-1: No signal on DTE port.
Sync DTE: Configured control leads (DTR/RTS)
are not asserted.
G.703: No signal on DTE port.
DSX-1: Yellow Alarm Indication received.
Sync DTE: Not applicable.
G.703: Remote Alarm Indication received.
DSX-1: OOF, LOF, EER, or AIS condition.
Sync DTE: Not applicable.
G.703: OOF, LOF, EER, or AIS condition.
00-15856-01
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