HP Xw4400 - Workstation - 2 GB RAM Reference Manual page 152

Pin
1 Strobe
2 Data Bit 0
3 Data Bit 1
4 Data Bit 2
5 Data Bit 3
6 Data Bit 4
142 Appendix C Appendix C — Connector pins
Signal Pin
7 Data Bit 5
8 Data Bit 6
9 Data Bit 7
10 Acknowledge
11 Busy
12 Paper End
Serial connector
USB connector
Parallel connector
Signal Pin
13
14
15
16
17
18-25
Signal
Select
Auto Linefeed
Error
Initialize Printer
Select IN Signal
Ground
Pin Signal
1 Carrier Detect
2 Receive Data
3 Transmit Data
4 Data terminal ready
5 Signal ground
6 Data set ready
7 Request to Send
8 Clear to Send
9 Ring Indicator
Pin Signal
1 +5 VDC
2 - Data
3 + Data
4 Ground
ENWW