peb3456 Infineon Technologies Corporation, peb3456 Datasheet - Page 303
peb3456
Manufacturer Part Number
peb3456
Description
Channelized T3 Termination With Ds3 Framer, M13 Multiplexer, T1/ E1 Framers And 256 Channel Hdlc/ppp Controller
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PEB3456.pdf
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RES
RRA
COFA
FAS
Data Sheet
The red alarm flag nominally changes when loss of frame alignment
condition is persistent as per alarm timing parameters defined in register
D2RAP. The exact time necessary to change the flag could be greater if
the FAS flag is not constant because the frame alignment state is
integrated by incrementing or decrementing a counter at the end of each
multiframe when the FAS flag set or cleared respectively. Note that the
framer’s verification algorithm is designed to prevent a bouncing FAS
flag.
Reserved Bit
This bit indicates the status of bit 3 in set II of ITU-T G.747 mode. Is it
updated if the state persists for at least 8 multiframes. Reserved Bit
changes are not reported when the DS2 framer is not aligned.
Remote Alarm
This bit indicates that remote alarm is active. Changes are reported
when they persist for at least 8 multiframes. In DS1 mode changes on
M
reported. Changes are not reported when the DS2 framer is not aligned.
Change of Frame Alignment.
This bit indicates a change of frame alignment event. It is set when the
DS2 framer found a new frame alignment and when the new frame
position differs from the expected frame position.
Demultiplexer Loss of Frame Alignment
This bit indicates that the DS2 framer is not aligned.
x
bit are reported, in ITU-T G.747 mode changes of bit 1 of set II are
303
Register Description
PEB 3456 E
05.2001
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