XRT75L03D Datasheet, PDF (39/134 Pages) Exar Corporation – THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER

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XRT75L03D
THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER REV. 1.0.0
3.0 LINE SIDE CHARACTERISTICS:
3.1 E3 line side parameters:
The XRT75L03D line output at the transformer output meets the pulse shape specified in ITU-T G.703 for
34.368 Mbits/s operation. The pulse mask as specified in ITU-T G.703 for 34.368 Mbits/s is shown in Figure 7.
FIGURE 7. PULSE MASK FOR E3 (34.368 MBITS/S) INTERFACE AS PER ITU-T G.703
17 ns
(14.55 + 2.45)
V = 100%
8.65 ns
Nominal Pulse
50%
10%
0%
10%
14.55ns
12.1ns
(14.55 - 2.45)
20%
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