PM5345 datasheet(21/196 Pages) PMC

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PM5345 S/UNI-155

DATA SHEET

PMC-930305

ISSUE 4

SATURN USER NETWORK INTERFACE

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

Figure 2

- Example 2. UTP-5 ATM Adapter Interface

TWRB

RDAT[7:0]

RSOC

TDAT[15:0]

TSOC

ATM Terminal

PM5345

S/UNI

SATURN

USER NETWORK

INTERFACE

RCA

TCA

RRDB

Line Driver

Transformer

Line Receiver

Receive

AAL

Processor

Transmit

AAL

Processor

Clock

Recovery

Figure 3 shows a configuration in which the PM5345 S/UNI is used with a

PM5312 SONET/SDH Transport Overhead Terminating Transceiver (STTX) and a

PM5318 622 Mbit/s Serial/Parallel Converter (SIPO) to implement an ATM

backbone interface.

In this application, four STS-3/STM-1 ATM streams are multiplexed into a single

STS-12/STM-4 stream for transport over fiber optic cables. The function of the

PM5312, PM5318, clock recovery and clock synthesis are also available in the

PM5712B 622 Mbit/s SONET/SDH Line Interface Module (SLIM).

Figure 3

- Example 3. OC-12 ATM Switch Port Card Interface

E/O

O/E

Serial /

Parallel

Conversion

PM5312

STTX

Clock

Synthesis

Clock

Recovery

OOF

TOUT[7:0]

TCLK

RICLK

RIFP

RIN[7:0]

PM5345

S/UNI-155

OPTICAL

FACILITY

ATM

SWITCH

CORE

STS-3(STM-1) To STS-12 (STM-4) MUX

STS-3c (STM-1)

ATM Termination

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