XRT59L921 查看數據表（PDF） - Exar Corporation

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产品描述 (功能)

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XRT59L921

TWENTY-ONE CHANNEL E1 LINE INTERFACE UNIT

Exar Corporation 

XRT59L921

TWENTY-ONE CHANNEL E1 LINE INTERFACE UNIT

REV. 1.2.1

FIGURE 17. ILLUSTRATION ON HOW TO INTERFACE CHANNEL 1 (OF THE XRT59L921) TO THE LINE (RECEIVER IS TRANSFORMER-COUPLED

TO A 75W UNBALANCED LINE) ......................................................................................................................................... 27

FIGURE 18. ILLUSTRATION ON HOW TO INTERFACE CHANNEL 1 (OF THE XRT59L921) TO THE LINE (RECEIVER IS TRANSFORMER-COUPLED

TO A 120W BALANCED LINE) ........................................................................................................................................... 28

ORDERING INFORMATION.............................................................................................29

PACKAGE DIMENSIONS.................................................................................................29

REVISION HISTORY.......................................................................................................................................30

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