Signal Connections - Lexmark 4227-X00 Service Manual

4227-X00

Signal Connections

Power Supply ->Main Logic Board<-->Sub Logic Board
Power
Supply
+40 V dc
+40 V dc
Power Gnd
Power Gnd
+5 V dc
Signal Gnd
Main Logic Board<-->Parallel Interface Cable (4227-100)
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
Pin 14
Pin 15
Pin 16
Pin 17
Pin 18
Main Logic Board
CN11
Pin 1
+40 V dc
Pin 2
+40 V dc
Pin 3
Power Gnd
Pin 4
Power Gnd
Pin 5
+5 V dc
Pin 6
Signal Gnd
Main Logic Board
Strobe
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
Data 8
- Acknlg
Busy
TXD/PE
Select
RXD/-AF
TXD
Signal Gnd
Chassis Gnd
RTS
Sub Logic Board
CN1 - 4227-100
CN4 - 4227-200
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
CN1
Pin 19
Pin 20
Pin 21
Pin 22
Pin 23
Pin 24
Pin 25
Pin 26
Pin 27
Pin 28
Pin 29
Pin 30
Pin 31
Pin 32
Pin 33
Pin 34
Pin 35
Pin 36
Connector Locations
+40 V dc
+40 V dc
Power Gnd
Power Gnd
+5 V dc
Signal Gnd
Signal Gnd
Signal Gnd
Signal Gnd
Signal Gnd
Signal Gnd
Signal Gnd
Signal Gnd
Signal Gnd
Signal Gnd
Signal Gnd
Signal Gnd
Signal Gnd
-RXD/-INIT
-TXD/-Error
RXD
DTR
DSR
-CTS/-SE
5-9