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Chapter 2 111
Programming Fundamentals
Using the LAN to Control the Analyzer
EIA/TIA 568B Wiring Information
This cable can be used to cascade hubs or to make point-to-point
connections without a LAN hub.
Table 2-3 Straight-Through Cable (Unshielded-twisted-pair (UTP) cable
with RJ-45 connectors)
Standard, Straight-Through Wiring (each end)
Signal Name RJ-45 Pin # Wire Color Pair #
RX+ 1 white/orange 2
RX- 2 orange
TX+ 3 white/green 3
TX- 6 green
Not
Used
4blue1
5white/blue
7white/brown4
8brown
Table 2-4 Cross-Over Cable (Unshielded-twisted-pair (UTP)
cable with RJ-45 connectors)
Cross-Over Wiring
a
Connector A Connector B
Signal Name RJ-45 Pin # RJ-45 Pin # Signal Name
RX+ 1 3 TX+
RX- 2 6 TX-
TX+ 3 1 RX+
TX- 6 2 RX-
Not
Used
44Not
Used
55
77
88
a. Either end of this cable can be used at the analyzer or
LAN device. The connector names are a convention use-
ful during cable construction only.