HP NetServer e 800, Service Manual

Page: 23 / 103

Chapter 2 System Information
17
Serial Port Connector (male) Pinouts
Pin Number Signal Description
1 Data carrier detect
2 Receive data
3 Transmit data
4 Data term ready
5 Signal ground
6 Data set ready
7 Request to send
8 Clear to send
9 Ring indicator
Parallel Port Connector
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Parallel Connector
Parallel Port Connector (female) Pinouts
Pin Number Signal Description Pin Number Signal Description
1 Strobe5 10
Acknowledgeb
2 Data bit 06 11 Busy
3
Data bit 1a
12 Paper end
4
Data bit 2a
13 Select
5
Data bit 3a
14
Auto line feedb
6
Data bit 4a
15 Error1
7
Data bit 5a
16
Initialize printerb
8
Data bit 6a
17
Select inb
9
Data bit 7a
18-25 Signal ground
a. All data bits are sent to a printer in an 8-bit parallel format.
b. The signal is active low.