Appendix A: Technical Specifications
90
Table 22 lists the RJ-45 pin signals for the 10/100/1000-Base-T port on
the AT-CM2K0S line card when it is operating at 1000 Mbps.
Table 22. MDI and MDI-X Pin Signals (1000Base-T)
MDI Configuration
MDI-X Configuration
Pinout
Pair
Pinout
Pair
1
Pair 1 +
1
Pair 2 +
2
Pair 1 -
2
Pair 2 -
3
Pair 2 +
3
Pair 1 +
4
Pair 3 +
4
Pair 4 +
5
Pair 3 -
5
Pair 4 -
6
Pair 2 -
6
Pair 1 -
7
Pair 4 +
7
Pair 3 +
8
Pair 4 -
8
Pair 3 -
