Serial Board<-->Serial Cable - Lexmark 4227 - Forms Printer B/W Dot-matrix Service Manual

4227-300
Serial Board<-->Serial Cable
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
Pin 10
Pin 11
Pin 12
Pin 13
CN1
Chassis
Gnd
TXD
RXD
RTS
-CTS
DSR
Signal Gnd
NC
NC
NC
NC
NC
NC
Pin 14 NC
Pin 15 -RXD422
Pin 16 NC
Pin 17 +RXD422
Pin 18 NC
Pin 19 -TXD422
Pin 20 DTR
Pin 21 NC
Pin 22 NC
Pin 23 NC
Pin 24 NC
Pin 25 +TXD422
Locations and connectors
6-13