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== Pinout ==

[[Image:dsub25m.png]]

25 PIN D-SUB MALE at the computer.

{| {{border}}
! Pin !! Name   !! Dir        !! Description
|-
| 1   || SHIELD || -          || Shield Ground
|-
| 2   || TXD    || {{arrowr}} || Transmit Data
|-
| 3   || RXD    || {{arrowl}} || Receive Data
|-
| 4   || RTS    || {{arrowr}} || Request to Send
|-
| 5   || CTS    || {{arrowl}} || Clear to Send
|-
| 6   || DSR    || {{arrowl}} || Data Set Ready
|-
| 7   || GND    || -          || System Ground
|-
| 8   || (D)CD     || {{arrowl}} || (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}} || Data Terminal Ready
|-
| 21  || n/c    || -          ||
|-
| 22  || RI     || {{arrowl}} || 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 ==

[[Image:RS232_Diagram.svg]]

== See also ==
* [[RS232]]

== Contributions ==
* [[User:Joakim|Joakim Ögren]]

== Sources ==
* Amiga 4000 User's Guide from Commodore

[[Category:Connector]]
[[Category:Serial]]