Paradyne FrameSaver 9620 Installation Instructions Manual page 13

Network Interface LEDs
Label Indication
DM Data Mode
OOS Out of Service
OOF/ NS Out of Frame/
No Signal
Color What It Means
Green ON – Access unit is sending or receiving
data, or is in DMI (data mode idle –
an all 1's condition).
OFF – Access unit in CMI (control mode
idle – an all 0's condition), or no
signal is being detected.
Red ON – Network is not in service and the
access unit is receiving an
out-of-service indicator.
OFF – Access unit is not receiving an
out-of-service indicator.
Red ON – No signal is being received from the
network, the cable is not connected
to the network, or the TX and RX
pairs are cross-connected.
OFF – A signal is present, and no out-of-
frame conditions have been
detected during the sampling
interval.
Blinking ON and OFF ( Rate: 1 Hz ) –
At least one OOF has been
detected during the sampling
interval.
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