7705 SAR-A Ports
128 7705 SAR-A Chassis Installation Guide
Ethernet Port Pinouts
Table 32 specifies the Gigabit Ethernet port pinouts assignments.
Table 33 specifies the Fast Ethernet port pinout assignments.
Table 32: Gigabit Ethernet Port Pinouts—RJ-45 Female
Pin Signal Description
1 TRD0+ bidirectional pair 0 – positive
2 TRD0- bidirectional pair 0 – negative
3 TRD1+ bidirectional pair 1 – positive
4 TRD2+ bidirectional pair 2 – positive
5 TRD2- bidirectional pair 2 – negative
6 TRD1- bidirectional pair 1 – negative
7 TRD3+ bidirectional pair 3 – positive
8 TRD3- bidirectional pair 3 – negative
Table 33: Fast Ethernet Port Pinouts—RJ-45 Female
Pin Signal Description
1 TD+ transmit – positive
2 TD- transmit – negative
3 RD+ receive – positive
4 NC not connected
5 NC not connected
6 RD- receive – negative
7 NC not connected
8 NC not connected