XRT59L921IB View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XRT59L921IB' PDF : 32 Pages View PDF
XRT59L921
TWENTY-ONE CHANNEL E1 LINE INTERFACE UNIT
REV. 1.2.1
FIGURE 18. ILLUSTRATION ON HOW TO INTERFACE CHANNEL 1 (OF THE XRT59L921) TO THE LINE (RECEIVER IS
TRANSFORMER-COUPLED TO A 120Ω BALANCED LINE)
TxPOS_x
TxNEG_x
TxLineClk_x
XRT59L921
TTIP_x
TxPOS_x
TxNEG_x
TxLineClk_x
TRING_x
9.1 Ω
9.1 Ω
1:2
TTIP_x
TRING_x
RxPOS_x
RxNEG_x
Loss Of Signal_x
RxPOS_x
RTIP_x
RxNEG_x
RxLOS_x
RRING_x
1:1
120 Ω
RTIP_x
RRing_x
28
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