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CONNECTOR PIN ASSIGNMENTS
This appendix provides information about the RJ-45 plug and the vista RJ-45 connector used
for the 24-Port Fast Ethernet ProSwitch.
RJ-45 Plug
In a Fast Ethernet network, it is important that all 100BASE-T certified Category 5 cabling use
RJ-45 plugs. The RJ-45 plug accepts 4-pair unshielded twisted pair (UTP) or shielded twisted
pair (STP) 100-ohm cable and connects into the vista RJ-45 connector.
The RJ-45 plug connector is illustrated below.
Key:
1 to 8 = Pin numbers
The follow table lists the pin assignments for the RJ-45 plug and the vista RJ-45 connector.
Pin Assignments
PIN
1
2
3
6
4, 5, 7, 8
Rev.1 - YML624
24-port 10/100Mbps Auto-negotiation Fast Ethernet ProSwitch
Normal Assignment on Ports 1 to 16
Input Receive Data +
Input Receive Data –
Output Transmit Data +
Output Transmit Data –
Internal termination, not used for data transmission
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Page 13
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