Parallel Interface
Connector and Icon
Pin
Signal
Pin
Signal
1
2
3
4
Strobe
Data Bit 0
Data Bit 1
Data Bit 2
10
11
12
13
Acknowledge
Busy
Paper End
Select
5
6
7
8
Data Bit 3
Data Bit 4
Data Bit 5
Data Bit 6
14
15
16
17
Auto Linefeed
Error
Initialize Printer
Select IN
9
Data Bit 7
18–
25
Signal Ground
Serial Interface, Powered and Non-Powered
Connector and Icon
Pin
Signal
1
2
3
Carrier Detect (12V if powered)
Receive Data
Transmit Data
4
5
6
Data Terminal Ready
Signal Ground
Data Set Ready
7
8
9
Request to Send
Clear to Send
Ring Indicator (5V if powered)
USB
Connector and Icon
Pin
Signal
1
2
3
4
+5 VDC
- Data
+ Data
Ground
ENWW
Parallel Interface 71
Summary of Contents for Compaq dx2308
Page 1: ...Service Reference Guide HP Compaq dx2300 and dx2308 Business PC ...
Page 4: ...iv About This Book ENWW ...
Page 20: ...12 Chapter 2 Computer Setup F10 Utility ENWW ...
Page 26: ...18 Chapter 3 HP Insight Diagnostics ENWW ...
Page 27: ...4 Desktop Management ENWW 19 ...
Page 44: ...36 Chapter 6 Identifying the Chassis Routine Care and Disassembly Preparation ENWW ...
Page 87: ...12 T M D S Data3 24 T M D S Clock ENWW DVI Connector 79 ...
Page 88: ...80 Appendix A Connector Pin Assignments ENWW ...
Page 101: ...W Web sites BIOS download 21 ROM Flash 21 software support 22 ENWW Index 93 ...
Page 102: ...94 Index ENWW ...