Resident Fault Monitoring - Nortel Communication Server 1000 Manual

Table 98
Clock controller commands available in LD 60 (cont'd.)
Command
DSYL L
ENL CC N
ENYL L
EREF
MREF
SSCK N
SWCK
TRCK xxx

Resident fault monitoring

The software currently monitors the alarms associated with a DASS2 link.
DASS2 link alarms are described in
DASS2 link" (page
Table 99
Alarms associated with a DASS2 link
Alarm
TBF
FAE
HER
TSF
AIS
LOI
DAI
Description
Disables remote alarm processing for loop L.
Enable specified system clock controller.
Enables remote alarm processing for loop L.
Enables automatic switching and recovery of primary and secondary
reference clocks when loops associated with these clocks are
automatically enabled.
Disables automatic switching and recovery of the primary and
secondary reference clocks when loops associated with these clocks
are automatically disabled or in local alarm.
Provides status of system clock N. Indicates the active controller as
well as active primary or secondary reference-clock source or free
run.
Switches the system clock from the active to the standby clock. The
reference-clock source remains unchanged.
Set clock-controller tracking. Where xxx represents one of the
following mnemonics:
PCK track primary clock
SCK track secondary clock
FRUN free-run mode
177).
Nortel Communication Server 1000
DASS2 Fundamentals
NN43001-571 04.01 4 June 2010
Copyright © 2007-2010 Nortel Networks. All Rights Reserved.
Resident fault monitoring 177
Table 99 "Alarms associated with a
Description
Transmit Buffer Full
Frame Alignment Error
High Error Rate
Transmit Signaling Failure
Alarm Indication Signal
Loss of Input
Distant Alarm Indication