Paradyne FrameSaver SLV Series Installation Instructions Manual page 27

LEDs
The FrameSaver unit's faceplate includes LEDs ( light-emitting diodes) that provide
status on the FrameSaver unit and its interfaces. In addition, it provides backup status
for FrameSaver units equipped with an ISDN DBM.
General LEDs
Label Indication
OK Power and
Operational
Status
ALM Operational
Alarm ( Fail )
TST Test Mode
1
BKP Backup
Models
9126 and
9128 only
1
When an ISDN BRI DBM is installed, if the OK LED comes on during power
recycling, then goes off, the ISDN BRI DBM may have failed.
Color What It Means
Green ON – FrameSaver unit has power and
OFF – FrameSaver unit is in a power-up
Red ON – FrameSaver unit has just been
OFF – No failures have been detected.
Yellow ON – Loopback or test pattern in
OFF – No tests are active.
Yellow ON – FrameSaver unit is in Backup
OFF – FrameSaver unit is not in Backup
Blinking ON and OFF – Alternate
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has passed self-test.
self-test, or there is a failure.
reset, or an error or fault has been
detected.
progress, initiated locally, remotely,
or from the network.
mode; that is, the backup link has
been established, and backup is in
progress through the specified
Alternate Destination Link.
mode.
Destination Link is being
established, but no data has been
passed.