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MERLIN LEGEND Communications System Release 6.1
Installation
555-661-140
Issue 1
August 1998
Connecting the Control Unit to the Network Interface
Page 4-18
Installing the Channel Service Unit
The CSUs offer a number of front-panel alarms and monitor alarm
conditions occurring either on the network interface or on the DTE
interface. If an ACCULINK CSU detects two alarm conditions at the
same time, it reports the higher-priority alarm. Alarms remain active until
the alarm condition is cleared.
Network performance is continually monitored and maintained by
internal memory registers when the network interface is configured for
ESF operation. The registers collect performance data for the previous
24-hour period.
Figure 4-6. 3150 Front Panel
ACCULINK
3150
F1 F2 F3
OK FAIL TEST SIG OOF ALRM EER SIG OOF ALRM PDV BPV
NETWORK DTE
NET EQPT
IN
OUT
IN
OUT
NET
NET
EQPT