Paradyne 8784 manual Front Panel LEDs, 4-14, Type, LED is, Indicating

4. Monitoring the Unit

Front Panel LEDs

SYSTEM

O

K

A lrm

T e st

DSX - 1

1

2

DSL PORT 1

2

TDM

SDSL

8784

The following table describes the meaning and states of the LEDs on the faceplate.

Type	LED	LED is . . .*	Indicating . . .
SYSTEM	OK	On	Device failure; system processing has
	(Green)		stopped.
		Off	No power is being delivered to the card.
		Slow Cycling	Unit is in minimum mode and a download
			is required.
		Pulsing	Normal operation.
	Alrm	On	Device failure, or the Power-On Self-Test
	(Amber)		(POST) has failed.
		Off	No alarms exist.
	Test	On	Loopback test or 511 test pattern is
	(Amber)		in progress.
		Slow cycling	POST is in progress.
		Off	No tests are active.
DSX-1	1, 2	On	Recoverable signal is present on the
	(Green)		DSX-1 interface.
		Slow cycling	Yellow Alarm Indication (RAI) is present.
		Fast cycling	An OOF, LOF, EER, or AIS condition
			exists.
		Off	No signal is detected on the interface.
DSL PORT	1, 2	On	DSL link is up.
	(Green)	Slow cycling	DSL training is in progress.
		Fast cycling	OOF condition exists.
		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.

00-16144a-01

4-14 February 2001 8784-A2-GB20-30