3com 3C16894 4-slot Chassis User Manual

RJ-45 MDI-X Port Pin-outs.

Figure 47 illustrates the SC optical fiber cable connector.

Figure 47   SC Optical Fiber Connector

3

Rx+

Receive data

BIDB+

Send data to direction B

4

Reserved 

-

BIDC+

Receive data from direction C

5

Reserved

-

BIDC-

Send data to direction C

6

Rx-

Receive data

BIDB-

Receive data from direction B

7

Reserved

-

BIDD+

Send data to direction D

8

Reserved

-

BIDD-

Receive data from direction D

Table 56   RJ-45 MDI-X Port Pinouts 

1

Rx+

Receive data

BIDB+

Send data to direction B

2

Rx-

Receive data

BIDB-

Receive data from direction B

3

Tx+

Send data

BIDA+

Send data to direction A

4

Reserved 

-

BIDD+

Receive data from direction D

5

Reserved

-

BIDD-

Send data to direction D

6

Tx-

Send data

BIDA-

Receive data from direction A

7

Reserved

-

BIDC+

Send data to direction C

8

Reserved

-

BIDC-

Receive data from direction C

Table 55   RJ-45 MDI Port Pin-outs (continued)