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== Pinout ==

[[Image:dsub25m.png]]

25 PIN D-SUB MALE at the printer.

{| {{border}}
! Pin !! Name    !! Dir        !! Description
|-
| 1   || SHIELD  || {{arrow}}  || Shield Ground
|-
| 2   || TXD     || {{arrowr}} || Transmit Data
|-
| 3   || RXD     || {{arrowl}} || Receive Data
|-
| 4   || n/c     || -          || Not connected
|-
| 5   || n/c     || -          || Not connected
|-
| 6   || DSR     || {{arrowl}} || Data Set Ready
|-
| 7   || GND     || {{arrow}}  || System Ground
|-
| 8   || DCD     || {{arrowl}} || Data Carrier Detect
|-
| 9   || n/c     || -          || Not connected
|-
| 10  || n/c     || -          || Not connected
|-
| 11  || ?       || {{arrowr}} || Reverse Channel
|-
| 12  || n/c     || -          || Not connected
|-
| 13  || n/c     || -          || Not connected
|-
| 14  || n/c     || -          || Not connected
|-
| 15  || n/c     || -          || Not connected
|-
| 16  || n/c     || -          || Not connected
|-
| 17  || TTY-TXD || {{arrowr}} || TTY Receive Data
|-
| 18  || n/c     || -          || Not connected
|-
| 19  || n/c     || -          || Not connected
|-
| 20  || DTR     || {{arrowr}} || Data Terminal Ready
|-
| 21  || n/c     || -          || Not connected
|-
| 22  || n/c     || -          || Not connected
|-
| 23  || ?       || {{arrowr}} || TTY Receive Data Return
|-
| 24  || ?       || {{arrowl}} || TTY Transmit Data Return
|-
| 25  || TTY-RXD || {{arrowl}} || TTY Receive Data
|}

== Contributions ==
* [[User:Joakim|Joakim Ögren]]
* [mailto:magneton@mail.firstnet.cz Petr Krc]

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