User's Manual Part 1

2-18
Figure 2-8 DX-35M DS1 I/O Interface Controls and Indicators
RCV
I/O
ALM
ON
LINE
SYNC
ALM
ALM
ON
LINE
COMMON
LOSS
ALM
RED LED INDICATES LOSS OF SIGNAL, DETECTION
OF BIPOLAR VIOLATION, OR FAILURE OF ACTIVE
DS1/E1 LINE(S).
RED LED INDICATES FRAME LOSS OR CHANNEL
FAIL ALM IN A AND B RCVR CIRCUITS. USUALLY
INDICATES FAR-END XMTR ALM.
RED LED INDICATES XMT SYNC FAILURE
BETWEEN I/O INTERFACE MODULES.
RED LED INDICATES LOSS OF RCV FRAME SYNC.
GREEN LED INDICATES RCVR IN SERVICE.
GREEN LED INDICATES I/O IN SERVICE.
LMW-7051-sm
08/15/02