Paradyne 8785 Manuel D’Utilisation
8
Front Panel LEDs
The following table describes the meaning and states of the LEDs on the
Hotwire 8775 or 8785 TDM SDSL Termination Unit’s faceplate.
Hotwire 8775 or 8785 TDM SDSL Termination Unit’s faceplate.
Type
LED
LED is . . .*
Indicating . . .
SYSTEM
OK
(Green)
(Green)
On
Off
Slow Cycling
Pulsing
Unit failure; system processing has
stopped.
stopped.
No power to card.
Unit is in minimum mode and a
download is required.
download is required.
Normal operation.
Alrm
(Amber)
(Amber)
On
Off
Unit failure, or Power-On Self-Test
(POST) has failed.
(POST) has failed.
No alarms.
Test
(Amber)
(Amber)
On
Slow cycling
Off
Loopback test or 511 test pattern in
progress.
progress.
POST in progress.
No tests.
SYNC
PORT
PORT
1, 2, 3, 4
(Green)
(Green)
On
Off
The port is operational.
No signal on the port, or DTR or
RTS is off.
RTS is off.
DSL
PORT
LINK-UP
PORT
LINK-UP
1, 2, 3, 4
(Green)
(Green)
On
Slow cycling
Fast cycling
Off
DSL link is up.
DSL training in progress.
OOF condition.
DSL link is down.
* Slow Cycling:
LED turns off and on in equal duration once
per second.
per second.
Fast Cycling:
LED turns off and on in equal duration 5 times
per second.
per second.
Pulsing:
LED turns off momentarily once per second.
4
TDM
SDSL
8775
SY
S
TE
M
OK
Alrm
Test
1
2
3
1
2
3
SY
N
C
P
O
RT
D
S
L P
O
R
T
LIN
K
-U
P
4
00-15834-03