PMC-Sierra, Inc.

S/UNI-QUAD

DATASHEET

PM5349 S/UNI-QUAD

PMC-971239

ISSUE 6

SATURN USER NETWORK INTERFACE (155-QUAD)

 

 

 

5 APPLICATION EXAMPLES

The PM5349 S/UNI-QUAD is intended for use in equipment implementing Asynchronous Transfer Mode (ATM) User-Network Interfaces (UNI). The S/UNI- QUAD may find application at either end of switch-to-switch links or switch-to- terminal links. The S/UNI-QUAD performs the mapping of ATM cells into the SONET/SDH STS-3c (STM-1) synchronous payload envelope (SPE) and processes applicable SONET/SDH section, line and path overhead.

In a typical STS-3c (STM-1) ATM application, the S/UNI-QUAD performs clock and data recovery for the receive direction and clock synthesis for the transmit direction of the line interface. On the system side, the S/UNI-QUAD interfaces directly with ATM layer processors and switching or adaptation functions using a Utopia Level 2 compliant synchronous FIFO style interface. The initial configuration and ongoing control and monitoring of the S/UNI-QUAD are normally provided via a generic microprocessor interface. This application is shown in Figure 1.

Figure 1: Typical STS-3c (STM-1) ATM Switch Port Application

 

 

 

Utopia Level 2

 

 

 

 

ATM Layer Device

 

 

Interface

PM5349

 

RXD1+/-

 

 

 

 

 

 

S/UNI-155-QUAD

SD1

TxClk

 

 

 

 

 

TFCLK

TXD1+/-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TxEnb

 

 

 

 

 

TENB

 

RXD2+/-

 

 

 

 

 

 

TxAddr<4:0>

 

 

 

 

 

TADR[4:0]

 

 

 

 

 

 

 

SD2

TxClav

 

 

 

 

 

TCA

 

 

 

 

 

 

TXD2+/-

TxSOC

 

 

 

 

 

TSOC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TxPrty

 

 

 

 

 

TPRTY

 

RXD3+/-

 

 

 

 

 

 

TxData<15:0>

 

 

 

 

 

TDAT[15:0]

 

 

 

 

 

 

 

SD3

 

 

 

 

 

 

 

 

RxClk

 

 

 

 

 

RFCLK

TXD3+/-

 

 

 

 

 

 

 

 

 

RxEnb

 

 

 

 

 

RENB

 

 

 

 

 

 

 

 

 

 

 

RxAddr<4:0>

 

 

 

 

 

RADR[4:0]

 

RXD4+/-

 

 

 

 

 

RxClav

 

 

 

 

 

RCA

 

SD4

 

 

 

 

 

RxSOC

 

 

 

 

 

RSOC

TXD4+/-

 

 

 

 

 

 

 

 

RxPrty

 

 

 

 

 

RPRTY

 

 

 

 

 

 

 

 

 

 

 

RxData<15:0>

 

 

 

 

 

RDAT[15:0]

 

 

 

 

 

 

 

 

 

 

 

Optical

Transceiver

Optical

Transceiver

Optical

Transceiver

Optical

Transceiver

Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use

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Image 13
PMC-Sierra PM5349 manual Application Examples, Typical STS-3c STM-1 ATM Switch Port Application