PM5347 datasheet(163/302 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

147

Bit

Type

Function

Default

Bit 7

R/W

SOS

Bit 6

R/W

ENSS

Bit 5

R/W

BLKBIP

Bit 4

R/W

DISFS

Bit 3

R/W

BLKBIPO

Bit 2

R/W

Reserved

Bit 1

R/W

Reserved

Bit 0

R/W

Reserved

This register contains error event control bits.

BLKBIPO:

When BLKBIPO is a logic one, path FEBE indications are generated on a

block basis. A single FEBE is transmitted if one or more path B3 error

indications are detected per frame. When BLKBIPO is a logic zero, the

transmitted FEBE indicates the number of B3 errors detected (between 0 and

8 errors per frame).

DISFS:

When DISFS is a logic one, the B3 calculation ignores the fixed stuff columns

in an AU-3 carrying a VC-3. When DISFS is a logic zero, the B3 calculation

includes the fixed stuff columns in an STS-1 stream. This bit is ignored when

the S/UNI-PLUS is processing an STS-3c (STM-1) stream.

BLKBIP:

When BLKBIP is a logic one, B3 errors are reported and accumulated on a

block basis. A single B3 error is accumulated and reported to the TPOP if

one or more B3 errors are detected per frame. When BLKBIP is a logic zero,

each B3 error is accumulated and reported.

ENSS:

The ENSS bit controls whether the SS bits in the payload pointer are included

in the pointer interpreter state machine. When ENSS is a logic one, an

PM5347 Datasheet(PDF) 163 Page - PMC-Sierra, Inc

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