XRT5997 Datasheet, PDF (32/37 Pages) Exar Corporation – Seven-Channel E1 Line Interface Unit

XRT5997
TxPOS_1
TxNEG_1
TxLineClk_1
RxPOS_1
RxNEG_1
Loss of Signal - 1
U1
99
TxPOS_1
98
TxNEG_1
97
TxClk_1
1
RxPOS_1
2
RxNEG_1
100
RxLOS_1
XRT5997
95
TTIP_1
1 ^R1 2
9.1
93
Tring_1
1 ^R2 2
9.1
7
RTIP_1
R3
30.1
8
RRing_1
1 ^1:2 5
4
8
PE-65835
1 ^1:2 5
4
8
PE-65835
TTIP_1
TRing_1
RTIP_1
RRing_1
Figure 15, Illustration on how to interface Channel 1 (of the XRT5997 Device) to the Line
(Receiver is Transformer-coupled to a 120Ω balanced line)
Rev. 1.0.0
32