Male

Female

Pin

Signal

Polarity

1

Power Source/ Sink 3

+

2

Power Source/ Sink 3

-

3

Transmit/ Receive

+

4

Receive/ Transmit

+

5

Receive Transmit

-

6

Transmit/ Receive

-

7

Power Source/ Sink 2

-

8

Power Source/ Sink 2

+