Paradyne 8777, 8747, 8779 manual Front Panel LEDs, LED is Indicating

Monitoring and Troubleshooting

Front Panel LEDs

SYSTEM

O

K

Alrm Test

PORTS 1

2

3

4

5

6

7

8

M/SDSL

The following table describes the meaning and states of the LEDs on the faceplate. PORTS LEDs represent the DTE or DSL ports depending on the Port LEDs selection on the Control screen.

Type	LED	LED is . . .*	Indicating . . .
SYSTEM	OK	On	Normal operation; card functioning normally.
	(Green)	Off	No power to card, or card failure.
		Slow cycling	Unit is in minimum mode and a download is
			required.
		Pulsing	Normal operation.
	Alrm	On	Device failure, Power-On Self-Test (POST) is
	(Amber)		not complete, or an alarm was reported on a
			DSL, DSX-1, or G.703 port.
		Off	No alarms.
	Test	On	Loopback test or 511 test pattern in progress.
	(Amber)	Slow cycling	POST in progress.
		Off	No tests.
PORTS	1, 2, 3, 4,	On	Recoverable signal present on the DSX-1 or
(when	5, 6, 7, 8		G.703 network.
	(Green)	Slow cycling	Yellow Alarm Indication (DSX-1) or Remote
DSX-1 or
			Alarm Indication (G.703) present.
G.703
selected)		Fast cycling	An OOF, LOF, EER, or AIS condition exists.
		Off	No signal on the port.
PORTS	1, 2, 3, 4,	On	DSL link is up.
(when DSL	5, 6, 7, 8	Slow cycling	DSL training in progress.
	(Green)
selected)		Fast cycling	OOF condition.
		Off	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.

8747

99-16606

8700-A2-GB20-00 April 2000 7-19