Paradyne U8777 - Manual (Page 76)

7. Monitoring and Troubleshooting
7-24 May 2002 8700-A2-GB20-40
Front Panel LEDs
The following table describes the meaning and states of the LEDs on the
faceplate. The LEDs for PORTS represent the DTE or DSL ports, depending upon
the Port LEDs selection on the Control screen (see
Changing the Meaning of the
PORTS LEDs on page 7-25).
Type LED 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.
Pulsing: LED turns off momentarily once per second.
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.
Unit is in minimum mode and a download is
required.
Alrm
(Amber) On
Off
Device failure, Power-On Self-Test (POST) is
not complete, or an alarm was reported on a
DSL, DSX-1, or G.703 port.
No alarms.
Test
(Amber) On
Off
Slow Cycling
Loopback test or 511 test pattern in progress.
No tests.
POST in progress.
PORTS
(when
DSX-1
or
G.703
selected)
1, 2, 3, 4,
5, 6, 7, 8
(Green) On
Off
Slow Cycling
Fast Cycling
Recoverable signal present on the DSX-1 or
G.703 network.
No signal on the port.
Yellow Alarm Indication (DSX-1) or Remote
Alarm Indication (G.703).
An OOF, LOF, EER, or AIS condition exists.
PORTS
(when DSL
selected)
1, 2, 3, 4,
5, 6, 7, 8
(Green) On
Off
Slow Cycling
Fast Cycling
DSL link is up.
DSL link is down.
DSL training in progress.
OOF condition.
TDM
SDSL
8779
00-16605-01
SYSTEM
OK
Alrm
Test
5
6
7
8
POR
TS
1
2
3
4
TDM
SDSL
8777
00-16604-01
SYSTEM
OK
Alrm
Test
5
6
7
8
POR
TS
1
2
3
4