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GS108T Smart Switch Software Administration Manual
Network Cabling C-7
v1.0, December 2007
Table C-3 lists the pin assignments for the 100/1000 Mbps RJ-45 plug and the RJ-45 connector.
Conclusion
For optimum performance of your 1000BASE-T product, it is important to fully qualify your cable
installation and ensure that it meets or exceeds ANSI/EIA/TIA-568-A:1995 or ISO/IEC
11801:1995 Category 5 specifications. Install Category 5e cable where possible, including patch
panel cables. Minimize transition points, jacket removal, and untwisted lengths. Cable bundles
must be correctly installed to meet the requirements in ANSI/EIA/TIA-568A-3.
6 Output transmit data – Input receive data –
4, 5, 7, 8 Internal termination, not used for data transmission
Table C-3. 100/1000 Mbps RJ-45 Plug and RJ-45 Connector Pin Assignments
Pin Channel Description
1
2
A Rx/Tx data +
Rx/Tx data
3
6
B Rx/Tx data +
Rx/Tx data
4
5
C Rx/Tx data +
Rx/Tx data
7
8
D Rx/Tx data +
Rx/Tx data
Table C-2. 10/100 Mbps RJ-45 Plug and RJ-45 Connector Pin Assignments (continued)
Pin Normal Assignment on Ports 1 to 8 Uplink Assignment on Port 8