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1124 100Base-TX Repeater User Guide
Writer: Chris Seiter Project: Planning Repeater Installation Comments: 185810-001/707119-001
File Name:10024_2.DOC Last Saved On:3/13/96 6:03 PM
■ Solid copper
Installing New Wire
If you are installing the repeater where no wiring is present, or if existing
wiring does not meet the above specifications, install new wiring. The new
wiring should conform to national and local electrical wiring code
requirements and meet the above specifications. When installing wire, it is a
good idea to install extra pairs of wire for future expansion.
If you are unfamiliar with wiring installation or the applicable local electrical
wiring code or the 100Base-TX specification, you should have a professional,
licensed (if applicable) installer perform the installation.
Straight-through twisted-pair cable is typically used to connect a repeater to a
server or workstation. In a straight-through connection, Pin 1 at the repeater
connects to Pin 1 at the server, Pin 2 at the repeater connects to Pin 2 at the
server, and so on. Figure 2-1 shows the locations of pins on a standard RJ-45
plug on a twisted-pair cable.
Twisted-Pair Cable
RJ-45 Plug
1
2
3
6
Pins
Figure 2-1. RJ-45 Plug
Tables 2-1 and 2-2 describe the wiring in a straight-through and crossover
twisted-pair cable.