Note that the
*Voice pairs in the IBM Type 2 cable cannot be used for Token Ring data transmission.
Twisted Pair Connector Specifications
The IEEE 802.3
Level 3 or higher cable should have the following pin pairings:
❑Pair 1 is pins 4 and 5 (not used)
❑Pair 2 is pins 3 and 6
❑Pair 3 is pins 1 and 2
❑Pair 4 is pins 7 and 8 (not used)
Refer to Figure
RJ-45 Connector Pinouts
Figure A-1 shows RJ-45 connector pin assignments for the 24-Port Module, Model Number 5124M-TP. This model uses MDI-X (crossed-over) wiring and only uses:
❑Pins 1 and 2 (station transmit) - 5124M-TP receive
❑Pins 3 and 6 (station receive) - 5124M-TP transmit
Specifications A - 7