Serial (PC 25)

From HwB

Contents

Pinout

Dsub25m.png

25 PIN D-SUB MALE at the computer.

Pin Name Dir Description
1 SHIELD - Shield Ground
2 TXD Arrowr.png Transmit Data
3 RXD Arrowl.png Receive Data
4 RTS Arrowr.png Request to Send
5 CTS Arrowl.png Clear to Send
6 DSR Arrowl.png Data Set Ready
7 GND - System Ground
8 (D)CD Arrowl.png (Data) Carrier Detect
9 n/c -
10 n/c -
11 n/c -
12 n/c -
13 n/c -
14 n/c -
15 n/c -
16 n/c -
17 n/c -
18 n/c -
19 n/c -
20 DTR Arrowr.png Data Terminal Ready
21 n/c -
22 RI Arrowl.png Ring Indicator
23 n/c -
24 n/c -
25 n/c -

Notes:

  • Direction is DTE (Computer) relative DCE (Modem).
  • Do not connect SHIELD(1) to GND(7).

Technical

RS232 Diagram.svg

Contributions

Sources

  • Amiga 4000 User's Guide from Commodore