Appendix D: CPM-a Pinout Assignments
7750 SR-a4 and SR-a8 Installation Guide 215
Management Port Pinouts
Table 108 describes the 10/100 Mb/s Management port pin assignments. Table 109 describes
the 1000 Mb/s Management port pin assignments.
Table 108: 10/100Mbs Ethernet Management Port Pinouts—RJ-45 Female
Pin Signal Direction Description
1 TX+ Output Differential transmit data – positive
2 TX– Output Differential transmit data – negative
3 RX+ Input Differential receive data – positive
4 NC — Not connected
5 NC — Not connected
6 RX– Input Differential receive data – negative
7 NC — Not connected
8 NC — Not connected
Table 109: 1000Mbs Ethernet Management Port Pinouts—RJ-45 Female
Pin Signal Direction Description
1 TRD0+ Bidirectional Differential Bidirectional Data Positive
2 TRD0– Bidirectional Differential Bidirectional Data Negative
3 TRD1+ Bidirectional Differential Bidirectional Data Positive
4 TRD2+ Bidirectional Differential Bidirectional Data Positive
5 TRD2– Bidirectional Differential Bidirectional Data Negative
6 TRD1– Bidirectional Differential Bidirectional Data Negative
7 TRD3+ Bidirectional Differential Bidirectional Data Positive
8 TRD3– Bidirectional Differential Bidirectional Data Negative
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