Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
2.3.3.10 Sequence of Events
The CM4 module has an events buffer which maintains a log of the last forty events that have
occurred. Event No.1 is always the most recent to occur. When the CM4 logs an event, the event is
stored in the events buffer. When the events buffer is full (40 events), the oldest events are deleted to
make room for new events.
The Sequence of Events log records the following events:
Alarms:
Receiver Out of Frame
Channel Card Fail
DACS Card Fail
ILS Card Fail
CPU Power Up
Alerts:
Power Supply/Redundant Power Supply
Channel Card
DACS Card
ILS Card
Line Loopback
Payload Loopback
Equipment Loopback
Transmitter in Fallback Timing
Receive All Ones
Receive Remote Alarm
Excess Jitter
Receive Carrier Loss
Transmit Remote Alarm
Redundant Alert
Redundant Switch
DI-B Config
T1 Clock Status:
Transmitter Clock does not lock Receiver Clock
Diagnostic Information:
CM4 Diagnostics:
Count of received blue alarm
Count of received yellow alarm
Count of received carrier loss
Count of received loss of sync
Count of received bipolar violation
Count of received bit error
Count of received multiframe out of sync
M-DACS-T1 RFL Electronics Inc.
October 16, 2012 2-32 (973) 334-3100
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