Air Traffic Control (ATC) Secondary Surveillance Radar (SSR) DTE and DCE synchronous serial port definition

TxD

Output

Input

RxD

Input

Output

GND

RxC

Input

Output

TxC

Output

Input

PIN

Signal Name

Description

DTE Direction

DCE Direction

2

TxD+

Send Data Positive

Output

Input

14

TxD-

Send Data Negative

Output

Input

3

RxD+

Receive Data Positive

Input

Output

16

RxD-

Receive Data Negative

Input

Output

7

GND

Signal Ground

17

RxC+

Receive Clock Positive

Input

Output

9

RxC-

Receive Clock Negative

Input

Output

24

TxC+

Send Clock Positive

Output

Input

11

TxC-

SendClock Negative

Output

Input