Monitoring the Unit
4-10
7985-A2-GB20-00
October 1998
Model 7985 Standalone Termination Unit LEDs
The following table contains a description of the LEDs on the Model 7985
Standalone Termination Unit front panel.
PO
WER
ALARM TEST
DSL
DTE
98-16132
7985 M/HDSL
TM
TM
Type
LED
LED is . . .
Indicating . . .
SYSTEM
POWER
Green
Off
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
Yellow
Yellow,
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.
SYNC Port
DTE
Green
Amber
Amber,
flashing
Interchange circuits for the port are in the
correct state to transmit and receive data.
The port is configured to monitor DTR and/or
RTS and no monitored lead is asserted.
The Data Channel or Data Terminal loopback
is active.