Lexmark 4227 Service Manual - Page 117
Serial Board<-->Serial Cable, Pin 8
UPC - 734646117104
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4227-300 Serial BoardSerial 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 Pin 14 TXD Pin 15 RXD Pin 16 RTS Pin 17 -CTS Pin 18 DSR Pin 19 Signal Gnd Pin 20 NC Pin 21 NC Pin 22 NC Pin 23 NC Pin 24 NC Pin 25 NC NC -RXD422 NC +RXD422 NC -TXD422 DTR NC NC NC NC +TXD422 Locations and connectors 6-13
Locations and connectors
6-13
4227-300
Serial Board<-->Serial Cable
CN1
Pin 1
Chassis
Gnd
Pin 14
NC
Pin 2
TXD
Pin 15
-RXD422
Pin 3
RXD
Pin 16
NC
Pin 4
RTS
Pin 17
+RXD422
Pin 5
-CTS
Pin 18
NC
Pin 6
DSR
Pin 19
-TXD422
Pin 7
Signal Gnd
Pin 20
DTR
Pin 8
NC
Pin 21
NC
Pin
9
NC
Pin 22
NC
Pin 10
NC
Pin 23
NC
Pin 11
NC
Pin 24
NC
Pin 12
NC
Pin 25
+TXD422
Pin 13
NC