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Monitoring the Unit
4-14
7986-A2-GB20-00
September 1998
Model 7986 Standalone Termination Unit LEDs
The following table contains a description of the LEDs on the Model 7986
Standalone Termination Unit front panel.
POWER
ALARM
TEST
DSL
G.703
98-16087
7986 M/HDSL
TM
TM
Type LED LED is . . . Indicating . . .
General
POWER Green
Off
Green,
Flashing
Unit has power.
No power to the Unit.
Unit is in minimum mode and a download is
required.
ALARM Red
Off
Device failure, or Power-On Self-Test (POST)
is not complete.
Self-test passed.
TEST Amber
Amber,
flashing
Off
Loopback test or 511 test pattern in progress.
Self-test in progress.
No tests.
DSL DSL Green
Amber
Amber,
flashing
Off
DSL link is up.
DSL training in progress.
An OOF condition exists.
The DSL Link is down.
G.703 DTE Green
Amber
Amber,
flashing
Off
Recoverable signal present on the G.703
network.
Remote Alarm Indication (RAI) present.
OOF condition exists.
The G.703 LINK is down.