Paradyne FrameSaver 9120 Installation Instructions Manual page 15

FrameSaver 9120 LEDs
Label Indication
OK Power and
Operational
Status
ALM Operational
Alarm ( Fail )
TST Test Mode
1
BKP Backup
1
The BKP LED indicates backup for an ISDN BRI DBM or external backup device.
Color What It Means
Green ON – Access unit has power and is
OFF – Access unit is in a power-up
Blinking ON and OFF ( Rate: 1 Hz ) –
Red ON – Access unit has just been reset, or
OFF – No failures have been detected.
Yellow ON – Loopback or test pattern in
OFF – No tests are active.
Yellow ON – Access unit is in Backup mode; that
OFF – Access unit is not in Backup mode.
Blinking ON and OFF ( Rate: 1 Hz ) –
15
operational.
self-test, or there is a failure.
Software is being downloaded.
an error or fault has been detected.
progress, initiated locally, remotely,
or from the network.
is, the backup link has been
established, and backup is in
progress through the specified
Alternate Destination Link.
Alternate Destination Link is being
established, but no data has been
passed.