Paradyne 8784 - Manual (Page 50)

4. Monitoring the Unit
4-14 February 2001 8784-A2-GB20-30
Front Panel LEDs
The following table describes the meaning and states of the LEDs on the
faceplate.
Type LED LED is . . .* Indicating . . .
SYSTEM OK
(Green) On
Off
Slow Cycling
Pulsing
Device failure; system processing has
stopped.
No power is being delivered to the card.
Unit is in minimum mode and a download
is required.
Normal operation.
Alrm
(Amber) On
Off
Device failure, or the Power-On Self-Test
(POST) has failed.
No alarms exist.
Test
(Amber) On
Slow cycling
Off
Loopback test or 511 test pattern is
in progress.
POST is in progress.
No tests are active.
DSX-1 1, 2
(Green)
On
Slow cycling
Fast cycling
Off
Recoverable signal is present on the
DSX-1 interface.
Yellow Alarm Indication (RAI) is present.
An OOF, LOF, EER, or AIS condition
exists.
No signal is detected on the interface.
DSL PORT 1, 2
(Green) On
Slow cycling
Fast cycling
Off
DSL link is up.
DSL training is in progress.
OOF condition exists.
DSL link is down.
* 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.
TDM
SDSL
8784
SYSTEM
O
K
A
lrm
Te
st
1
2
1
2
DSX-1
DSL
POR
T
00-16144a-01