XRT59L921 View Datasheet(PDF) - Exar Corporation

Part Name

Description

MFG CO.

XRT59L921

TWENTY-ONE CHANNEL E1 LINE INTERFACE UNIT

Exar Corporation 

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XRT59L921

TWENTY-ONE CHANNEL E1 LINE INTERFACE UNIT

FIGURE 15. TRANSMIT TIMING DIAGRAM

T1

T2

NRZ Mode (Clock Mode)

Tr

Tf

TClk

Tsu

Tho

TxPOS or

TNEG

TTIP/

TRing

TXPW

T3

VTxOUT

TxPOS or

TNEG

TTIP/

TRing

RZ Mode (non-Clock Mode)

TXPW

T3

VTxOUT

FIGURE 16. RECEIVE TIMING DIAGRAM

RRing

/RTIP

Rpd

Rxpw

RxPOS

Rtr

RxNEG

26

REV. 1.2.1

Rtf

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