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XRT73L04B
4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
REV.
1.
0.
1
OCTOBER 2003
GENERAL DESCRIPTION
The XRT73L04B, 4-Channel, DS3/E3/STS-1 Line Interface Unit is a low power
CMOS version of the XRT73L04A and consists of four independent line transmitters and receivers integrated on a single chip designed for DS3, E3 or SONET STS-1 applications.
Each channel of the XRT73L04B can be configured to support the E3 (34.
368 Mbps), DS3 (44.
736 Mbps) or the SONET STS-1 (51.
84 Mbps) rates.
Each channel can be configured to operate in a mode/data rate that is independent of the other channels.
In the transmit direction, each channel encodes input data to either B3ZS (DS3/STS-1) or H...