XRT59L91ID View Datasheet(PDF) - Exar Corporation

Part Name

Description

MFG CO.

XRT59L91ID

Single-Chip E1 Line Interface Unit

Exar Corporation 

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XRT59L91

Preliminary

TxPOS

TxNEG

T xLin eC lk

RxPOS

RxNEG

Loss of Signal

U1

2

TxPOS

3

TxNEG

1

TxClk

6

RxPOS

7

RxNEG

8

RxLOS

XRT59L91

13

TTIP

1 R1 2

9.1

15

TRing

1 R2 2

9.1

9

R TIP

R3

18.7

10

R R in g

1 1:2 5

J1

BNC

1

4

8

PE-65835

1 1:2 5

J2

BNC

1

4

8

PE-65835

Figure 16. Illustration on how to interface the XRT59L91 Device to the Line

(Receiver is Transformer-coupled to a 75W unbalanced line)

Rev. P2.00

22

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