HP TC2120 - Manual (Page 15)

9
Chapter 2 External Connectors
Parallel Port Connector
Table 2-3. Parallel Port Connector (female) Pinouts
a. All data bits are sent to a printer in an 8-bit parallel format.
b. The signal is active low.
Figure 2-3. Parallel Port Connector
Pin Number
Signal
Description
Pin Number
Signal
Description
1 Strobe5 10
Acknowledge
b
2 Data bit 06 11 Busy
3
Data bit 1 a 12 Paper end
4
Data bit 2
a 13 Select
5
Data bit 3 a 14
Auto line feed b
6
Data bit 4 a 15 Error1
7
Data bit 5
a 16
Initialize Printer
b
8
Data bit 6 a 17
Select in b
9
Data bit 7 a 18-25 Signal ground
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