LHMI info Description
Setting/signal Normal
(example)
Faulty
(example)
Specification
LNGTHERR 0 1 Status Incorrect length for the incoming
message
YBIT 0 1 Status Detected error in an incoming
message at the remote end
LOWLEVEL 0 1 Status Low signal level in the receive link
ADINV1 –
ADINV9
0 1 Status Analog channel activated
(configured)
1) Approximately 75% RXD is typical if, for example, two master clocks are present in the
telecommunication network.
Table 28: Information available on the local HMI (64kb LDCM)
LHMI info Description
Setting/signal Normal
(example)
Faulty
(example)
Specification
NoOfShInterr 50 - Counter No of short interruptions, 20-50 ms
NoOfMedInterr 10 - Counter No of medium interruptions, 50-200
ms
NoOfLongInterr 5 - Counter Number of long interruptions, > 200
ms
CommStatus OK NoRXD Status Communication status/no of
received messages
COMFAIL 0 1 Status Communication failure, differential
protection blocked. Analog values
are substituted with zero, ref.
disturbance recorder
COMALM
0 1 Status Communication alarm
(COMFAIL>set delay 100 ms in
service, 5-10 ms for fault tracing)
NoOfTXD
100.00 > 100 Status % No of sent messages
NoOfRXD 100.00
> 75
1)
Status % No of received messages
TransmDelay in
Echo mode 1)
2 ms - Time Round trip delay/2 + set asymmetric
delay
Transmission
delay in GPS
mode 1)
2 ms
- Time Actual transmission delay +
measured asymmetric delay (+or -)
AsymDelay 1) 0.5 ms - Setting / GPS
ms
Asymmetric delay (Setting in echo
mode or measured with GPS timing)
OPTPOWER –14.895 dBm Value Measured received optical power
BLKDIFF 0 1 Status Differential protection blocked by
communication
ADDRERR 0 1 Status Incoming message from a non-valid
address
RxAddress 2 ≠ 2 Received address from remote end
ConfAddress 2 - Configured remote address
RED_ACT 0/1 - Status Redundant channel 0=inactive
1=active
Table continues on next page
1MRK 505 382-UEN B Section 5
Communication set-up
Communication set-up 670/650 series 2.2 97
Application Guide
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