Appendix B: Connector Pinouts

NOTES:

1.In the RS-422 mode, TX lines are outputs and RX lines are inputs. Connect the Hardened Serial Server TXB(+) line to the RXB(+) line of the serial device, and the Hardened Serial Server TXA(-) to the RXA(-) of the serial device.

2.Ground is signal ground and provides a common mode reference for the RS-422 Receiver and Transmitters.

B.3 Standard Ethernet Cable RJ-45 Pinout

Figure B-3. RJ-45 Ethernet cable pinout.

Table B-3. RJ-45 cable pinout.

RJ-45 Pin

Signal

Wire Color

RJ-45 Pin

 

 

 

 

1

TX+

White-Green

1

 

 

 

 

2

TX-

Green

2

 

 

 

 

3

RX+

White-Orange

3

 

 

 

 

4

Not used

Blue

4

 

 

 

 

5

Not used

White-Blue

5

 

 

 

 

6

RX-

Orange

6

 

 

 

 

7

Not used

White-Brown

7

 

 

 

 

8

Not used

Brown

8

 

 

 

 

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Black Box LES422A, LES424A, LES421A, 1-, 2-, and 4-Port Hardened Serial Servers manual Standard Ethernet Cable RJ-45 Pinout