XRT59L91 Datasheet, PDF (21/28 Pages) Exar Corporation – Single-Chip E1 Line Interface Unit

Preliminary
XRT59L91
R T IP /
RR ing
RxPOS
RxNEG
Rpd Rxpw
Rtr Rtf
Figure 15. Receive Timing Diagram
APPLICATIONS INFORMATION
Figures 16, 17 and 18, provide example schematics on
how to interface the XRT59L91 device to the line, under
the following conditions:
l Receiver is Transformer-coupled to a 75W
unbalanced line.
l Receiver is Transformer-coupled to a 120W
balanced line.
l Receiver is Capacitive-coupled to a 75W
unbalanced line
Rev. P2.00
21