2.0 Functional Description
CX28331/CX28332/CX28333
2.1 Overview
Single/Dual/Triple E3/DS3/STS-1 Line Interface Unit
Additional Functions:
•
•
•
bias generator
power-on reset
loopback MUXes
In addition, each channel has the ability to perform remote and local
loopbacks. Figure 2-1 illustrates a typical application using the CX2833i in a
channel.
External pins are provided to configure the various line rates and formats for
each channel.
The CX2833i is used as a data transceiver over a coaxial cable that is up to
900 feet long (or up to 450 feet from the DSX) in an on-premise environment
within any public or private networks which use these data rates.
Figure 2-1. Typical Application Of Single CX2833i Channel
0–450 ft COAX
(type 734/728)
0–450 ft COAX
(type 734/728)
TX
RX
DSX
0–450 ft COAX
(type 734/728)
0–450 ft COAX
(type 734/728)
RX
DSX
TX
100604_012
2-2
Conexant
100985A