PM5347 datasheet(165/302 Pages) PMC

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PM5347 S/UNI-PLUS

DATA SHEET

PMC-941033

ISSUE 6

SATURN USER NETWORK INTERFACE PLUS

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE

149

Bit

Type

Function

Default

Bit 7

R/W

Reserved

Bit 6

Unused

Bit 5

Unused

Bit 4

Unused

Bit 3

R/W

EXCFS

Bit 2

R/W

Reserved

Bit 1

R/W

DBIP8

Bit 0

R/W

PAIS

This register allows insertion of path level alarms and diagnostic signals.

PAIS:

The PAIS bit controls the insertion of STS path alarm indication signal. This

written to this bit position, the complete SPE, and the pointer bytes (H1, H2,

and H3) are overwritten with the all-ones pattern. When a logic zero is written

to this bit position, the pointer bytes and the SPE are processed normally.

DBIP8:

The DBIP8 bit controls the insertion of bit errors continuously in the B3 byte.

When DBIP8 is a logic one, the B3 byte is inverted.

EXCFS:

The EXCFS bit controls the inclusion of bytes in the fixed stuff columns of the

STS-1/AU-3 payload in B3 calculations. When EXCFS is a logic one, the

contents of the bytes in columns 30 and 59 do not affect the value of the B3

byte. When EXCFS is a logic zero, the fixed stuff bytes are included in the B3

calculations. This bit is only active if the S/UNI-PLUS is transmitting an STS-1

stream.

Reserved:

The reserved bits must be programmed to logic zero for proper operation.

PM5347 Datasheet(PDF) 165 Page - PMC-Sierra, Inc

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