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Chapter 4
Cabling
For complete rules of cabling and for information useful in
planning network configurations, see ISO/IEEE Publication
8802-3. The AT-1720T is for use with 10BASE-T segments, using
an 8-wire (4-pair) RJ45 jack for the network cable, shown in
Figure 1.
Figure 1:
AT-1720T UTP Port and RJ45
Connector
Important 10BASE-T Cable Considerations
A serious problem exists concerning identification of modular
cable for 10BASE-T connections. There are various grades of
voice-quality and data-quality cables. These can appear to be
similar externally, and their DC characteristics are also similar.
However, their AC characteristics are radically different, and
therefore high-speed data transmission characteristics are not
interchangeable.
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