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XRT75R03D_06 Datasheet, PDF (38/135 Pages) Exar Corporation – EXAR DATA SHEET FORMAT TEMPLATES
XRT75R03D
THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER REV. 1.0.4
4.0 LINE SIDE CHARACTERISTICS:
4.1 E3 line side parameters:
The XRT75R03D 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 8. 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%
34