MT8926 Zarlink Semiconductor, MT8926 Datasheet - Page 24
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MT8926
Manufacturer Part Number
MT8926
Description
T1 Performance Monitoring Adjunct Circuit (PMAC)
Manufacturer
Zarlink Semiconductor
Datasheet
1.MT8926.pdf
(36 pages)
Available stocks
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SEMICMF.019
Data Sheet
maximum of 100 msec. This is to accommodate the periodic transmission of message-oriented performance
reports.
Command and response messages are used to perform various functions, which include the following:
1)
2)
3)
4)
5)
Each message consists of a 16 bit codeword of the form 11111111 0XXXXXX0, which is repeated at least 10 times.
The LAPD message-oriented performance reports are sent across the FDL once per second using the bit-assigned
message structure of Figure 10 on page 24. Each report contains performance data for each second of the previous
four seconds.
When data for the next one second interval t
t
position, and the data of t
protocol.
User defined Operations, Administration and Maintenance (OA&M), terminal-to-network and terminal-to-terminal
communications may also pass over the FDL.
0
data will move to the t
line and payload loopback control,
protection switch control,
synchronization control,
reserved for network use, and
unassigned.
0-1
0-3
position, the t
will be discarded. Refer to T1.403 or T1.408 for a more complete definition of this
0-1
0+1
data will move to the t
is gathered, it will take the place of t
0-2
position, the t
0
data of the last message. The
0-2
data will move to the t
MT8926
0-3
23