EDM01-06: DAG 3.7D Card User Guide
©2006
11
Version 1: March 2006
Interface
Statistics
Once the DAG 3.7D card has been configured as expected, the interface
statistics should be inspected to see if the card is locked to the data stream.
port A
dag@endace:~$ dagthree –d0 -asi
port B
dag@endace:~$ dagthree –d0 –bsi
both ports
dag@endace:~$ dagthree –d0 –si
Status Bits
Display
The tool will display a number of status bits as they have occurred since the
last time read. In our example, the interval is set to one second via the
-i
option.
LoS
DS3 Loss of Signal. This indicates that there is no signal at
the receiver or signal strength is too low to be recognized.
AIS
Framer is declaring AIS.
OoF
DS3 Out of Framing.
The DS3 Framer is not synchronised.
Idle
Framer is detecting idle pattern in its incoming stream.
RLOL
Receive loss of lock
LOF
Loss of frame
RDI
Remote defect indication.
An example of a card locked to a DS3 ATM stream is shown below::
A:
LoS AIS OoF Idle
0
0
0
0
0
0
0
0
0
0
0
0
An example of when there is no valid signal input is shown below:
A:
LoS AIS OoF Idle
0
0
0
0
0
0
0
0
0
0
0
0
Summary of Contents for DAG 3.7D
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Page 4: ...EDM01 16 DAG3 7D Card User Guide...
Page 6: ...EDM01 16 DAG3 7D Card User Guide 2006 vi Version 1 March 2006...
Page 12: ...EDM01 06 DAG 3 7D Card User Guide 2006 6 Version 1 March 2006...
Page 13: ...EDM01 06 DAG 3 7D Card User Guide 2006 7 Version 1 March 2006...
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