HP Tc4100 hp server tc4100 operation and maintenance guide (English, 2.1) - Page 19

Parallel Port, Table 2-3., Parallel Port Signal Description, Pin Number, Signal Description

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Chapter 2 Table 2-2. Serial Port Signal Description Pin Number 8 9 Signal Description Clear to send Ring indicator Parallel Port 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 External Connectors Table 2-3. Parallel Port Signal Description Pin Number 1 Signal Description Strobe5 Pin Number 10 2 Data bit 06 11 3 Data bit 1a 12 4 Data bit 2a 13 5 Data bit 3a 14 6 Data bit 4a 15 7 Data bit 5a 16 8 Data bit 6a 17 9 Data bit 7a 18-25 a. All data bits are sent to a printer in an 8-bit parallel format. b. The signal is active low. Signal Description Acknowledgeb Busy Paper end Select Auto line feedb Error1 Initialize printerb Select inb Signal ground 17

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17
Chapter 2
External Connectors
Parallel Port
a. All data bits are sent to a printer in an 8-bit parallel format.
b. The signal is active low.
8
Clear to send
9
Ring indicator
Table 2-3.
Parallel Port Signal Description
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
Table 2-2.
Serial Port Signal Description
Pin Number
Signal Description
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