Digital-logic ag – Compaq MSB900 User Manual
Page 50
DIGITAL-LOGIC AG
MSB900/L Detailed Technical Manual V1.0
50
X61
Serial Port COM1, Parallel Port LPT1
Header onboard
D-SUB connector
Signal
Pin 1
Pin 1
DCD
Pin 2
Pin 6
DSR
Pin 3
Pin 2
RxD
Pin 4
Pin 7
RTS
Pin 5
Pin 3
TxD
Pin 6
Pin 8
CTS
Pin 7
Pin 4
DTR
Pin 8
Pin 9
RI
Pin 9
Pin 5
GND
Pin 10
GND
Pin 11
select
Pin 12
Pin 12
paper end
Pin 13
Pin 11
busy
Pin 14
Pin 10
acknowledge
Pin 15
Pin 9
data 7
Pin 16
Pin 8
data 6
Pin 17
Pin 7
data 5
Pin 18
Pin 6
data 4
Pin 19
Pin 5
data 3
Pin 20
Pin 17
shift in
Pin 21
Pin 4
data 2
Pin 22
Pin 16
init printer
Pin 23
Pin 3
data 1
Pin 24
Pin 15
error
Pin 25
Pin 2
data 0
Pin 26
Pin 14
auto feed
Pin 27
Pin 1
strobe
Pin 28
Pin 23-25
GND
Pin 29
power supply GND
Pin 30
power supply 8-30V
Pin 29
power supply GND
Pin 30
power supply 8-30V