User`s guide

6. Monitoring and Troubleshooting
7990-A2-GB20-00 May 2002
6-19
Front Panel LEDs
Table 6-5, Front Panel LEDs, describes the meaning and states of the LEDs on the
front panels. The following illustration shows the Hotwire 7995 TDM SHDSL front
panel.
Table 6-5. Front Panel LEDs
Label Color LED is . . .*
* Slow Cycling: LED turns off and on in equal duration once per second.
Fast Cycling: LED turns off and on in equal duration 5 times per second.
Indicating . . .
POWER Green On
Off
Slow Cycling
Normal operation.
No power to the unit.
Unit is in minimum mode and a download is
required.
ALARM Red On
Off
Device failure, or self-test has failed.
Self-test passed.
TEST Yellow On
Off
Slow Cycling
Loopback test in progress.
No tests in progress.
Self-test in progress.
DSL Green On
Off
Slow Cycling
DSL link is up.
The DSL link is down.
DSL training in progress.
DTE (7995)
G.703 (7996)
Green On
Off
Slow Cycling
Fast Cycling
DTE port is operational.
No signal on DTE port.
DTE: Yellow Alarm Indication received.
G.703: Remote Alarm Indication received.
OOF, LOF, EER, or AIS condition received.
POWER ALARM TEST DSL DTE
7995 TDM SHDSL
TM
®
01-17053