Head Office:

PMC-Sierra, Inc.

#105 - 8555 Baxter Place

Burnaby, B.C. V5A 4V7

Canada

Tel: 604.415.6000

Fax: 604.415.6200

PM5357 S/UNI-622-POS

622 Mbit/s ATM and Packet Over SONET Physical Layer Device

To order documentation,

send email to:

document@pmc-sierra.com

or contact the head office,

Attn: Document Coordinator

All product documentation is available

on our web site at:

http://www.pmc-sierra.com

For corporate information,

send email to:

info@pmc-sierra.com

PMC-981280 (R2)

 1999 PMC-Sierra, Inc.

January, 1999

TYPICAL APPLICATIONS

POS-PHY LEVEL 2 APPLICATION

PM5357

S/UNI-622-POS

POS-PHY Level 2

Interface

TFCLK

TENB

TPA

TSOP

TPRTY

TDAT[15:0]

RFCLK

RENB

RPA

RSOP

RPRTY

RDAT[15:0]

Link Layer Device

TFCLK

TENB

TPA

TSOP

TPRTY

TDAT[15:0]

RFCLK

RENB

RPA

RSOP

RPRTY

RDAT[15:0]

Optical

Transceiver

RXD+/-

SD

TXD+/-

TMOD

TMOD

TEOP

TEOP

TERR

TERR

RMOD

RMOD

REOP

REOP

RERR

RERR

LIFSEL

1

ATM_POS

SYSSEL

1

0

RVAL

RVAL

POS-PHY LEVEL 3 APPLICATION

PM5357

S/UNI-622-POS

POS-PHY Level 3

Interface

TFCLK

TENB

TPA

TSOP

TPRTY

TDAT[7:0]

RFCLK

RENB

RSOP

RPRTY

RDAT[7:0]

Link Layer Device

TFCLK

TENB

TPA

TSOP

TPRTY

TDAT[7:0]

RFCLK

RENB

RSOP

RPRTY

RDAT[7:0]

Optical

Transceiver

RXD+/-

SD

TXD+/-

TMOD

TMOD

TEOP

TEOP

TERR

TERR

REOP

REOP

RERR

RERR

RVAL

RVAL

LIFSEL

1

ATM_POS

SYSSEL

1

1