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Epson Serial/RS-232 Cable DB9 to DB25 Cable Pinout -
Computer Name
Computer Pin
Direction
Printer Pin
Printer Name
Description
RXD
2
<--
2
TXD
3
-->
3
DTR
4
6
Ground
5
<-->
7
DSR
6
20
LOOP
7,8
---
---
4,5
LOOP
