PM5313 datasheet(93/646 Pages) PMC

93 / 646 page

PRODUCTION

PMC-Sierra, Inc.

PM5313 SPECTRA-622

DATASHEET

PMC-1981162

ISSUE 6

SONET/SDH PAYLOAD EXTRACTOR/ALIGNER FOR 622 MBIT/S

PROPRIETARY AND CONFIDENTIAL

Pin Name

Type

No.

Function

• The loss of multiframe signal (LOM) indicates

the tributary multiframe synchronization status

of the corresponding STS-1 (STM-0/AU3),

STS-3c (STM-1/AU4) or STS-12c (STM-4-4c)

SONET/SDH stream. LOM is set high if a

correct four frame sequence is not detected in

eight frames.

• The loss of pointer concatenation and path AIS

concatenation signals (LOPCON and

PAISCON) are the concatenated alarms for

STS-3c (STM-1/AU4) or STS-12c (STM-4-4c)

SONET/SDH stream.

• The receive path unequipped status (UNEQ)

indicates the unequipped status of the path

signal label of the corresponding STS-1 (STM-

0/AU3), STS-3c (STM-1/AU4) or STS-12c

(STM-4-4c) SONET/SDH stream. UNEQ is set

high when the filtered path signal label indicates

unequipped and is dependent on the selected

UNEQ mode.

• The receive path signal label unstable status

(PSLU) reports the stable/unstable status

(mode 1) of the path signal label in the

corresponding STS-1 (STM-0/AU3), STS-3c

(STM-1/AU4) or STS-12c (STM-4-4c)

SONET/SDH stream. PSLU is set high when

the current received C2 byte differs from the

previous C2 byte for five consecutive frames.

• The receive path signal label mismatch (PSLM)

status reports the match/mismatch status

(mode 1 and mode 2) for the path signal label

of the corresponding STS-1 (STM-0/AU3),

STS-3c (STM-1/AU4) or STS-12c (STM-4-4c)

SONET/SDH stream. In mode 1, PSLM is set

high when the accepted PSL differs from the

expected PSL written by the microprocessor. In

mode 2, PSLM is set high when 5 consecutive

mismatches have been declared

• The receive path trace identifier unstable status

(TIU-P) reports the stable/unstable status

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