4. Monitoring the Card
4-20
April 2003
8799-A2-GB20-10
Front Panel LEDs
The following table describes the meaning and states of the LEDs on the
faceplate.
NOTE:
Use the
Main Menu
→
Control
→
Port LEDs
branch of the Asynchronous
Terminal Interface to change the definition of the G.703 LEDs to DSL PORT
and vice versa.
Type
LED
LED is . . .*
Indicating . . .
SYSTEM
OK
(Green)
On
Off
Pulsing
Slow cycling*
Unit failure; system processing functions
have stopped.
No power to card.
Normal operation; card functioning
normally.
Card is in minimum mode and a
download is required.
Alrm
(Amber)
On
Off
Card failure, or Power-On Self-Test
(POST) failure, or an alarm was reported
on a DSL or G.703 port.
No alarms.
Test
(Amber)
On
Off
Loopback test or POST is in progress.
No tests are active.
G.703
(see NOTE
below)
1 – 8
(Green)
On
Slow cycling
Fast cycling
Off
Recoverable signal is present on the
G.703 interface.
Remote Alarm Indication (RAI) is present.
An OOF, LOF, EER, or AIS condition
exists.
No signal is detected on the interface.
DSL PORT
(see NOTE
below)
1 – 8
(Green)
On
Off
Slow cycling
DSL link is up.
DSL link is down.
DSL training in progress.
*
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.
Pulsing: LED turns off momentarily once per second.
8
TDM
SHDSL
8799
SYSTEM
OK
Alrm
Te
st
1
2
3
5
6
7
POR
TS
4
02-17116
