PM4351-1 Datasheet, PDF (396/485 Pages) PMC-Sierra, Inc – COMBINED E1/T1 TRANSCEIVER/FRAMER

STANDARD PRODUCT
DATA SHEET
PMC-1970624
ISSUE 10
PM4351 COMET
COMBINED E1/T1 TRANSCEIVER
To access the Performance Monitor Registers, the following polling sequence
should be used:
Table 82 - PMON Polling Sequence
Action
Addr Data Effect
Offset
Write PMON Framing Bit
Error Count Register
Read Framing Bit Error
Count
Read OOF/COFA/FEBE
(LSB) Count Register
Read OOF/COFA/FEBE
(MSB) Count Register
Read BEE/CRCE Count
(LSB) Register
Read BEE/CRCE Count
(MSB) Register
Read LCV Count (LSB)
Register
Read LCV Count (MSB)
Register
59H
59H
5AH
5BH
5CH
5DH
5EH
5FH
00H Latch performance data into
PMON registers
Read Framing bit error count
Read least significant byte out-
of-frame event count, change
of frame alignment event
count if CCOFA bit in COMET
Receive Options Register is
set, or FEBE if E1
Read most significant byte out-
of-frame event count, change
of frame alignment event
count if CCOFA bit in COMET
Receive Options Register is
set, or FEBE if E1
Read least significant byte of
bit error event or CRC error
count
Read most significant byte of
bit error event or CRC error
count
Read least significant byte of
line code violation count
Read most significant byte of
line code violation count
To configure the COMET to utilize the internal HDLC transmitter and receiver for
processing the ESF facility data link, the following registers should be written with
the indicated values:
PROPRIETARY AND CONFIDENTIAL
372