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A - 4 ONline Ethernet 10BASE-T Module User’s Guide
Refer to Figure A-1 for an example of this connector and the cable pin-outs.
Figure A-1. RJ45 Connector Pin-outs
Some installations may have 50-pin Telco connectors at the wiring closet.
We recommend using a patch panel that converts from 50-pin to RJ45-type
connectors. This allows direct connection to the ONline Ethernet 10BASE-T
Module in your ONline System Concentrator.
Twisted Pair Cables
The cables that are supported must meet the following qualifications:
❑ 22, 24, or 26 gauge twisted pair cable
❑ 80 to 150 ohm impedance
❑ minimum of 2 pairs
Usually, a pair on a twisted pair cable is designated by a solid color wire
twisted with a striped wire with the same color.
Pair 3 Pair4
Pair 2
Pair 1
1 2 3 4 5 6 7 8
W-G G W-O BL W-BL
Jack Positions
O BRW-BR