XRT59L91 Datasheet, PDF (22/28 Pages) Exar Corporation – Single-Chip E1 Line Interface Unit

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