HP kp721av Benutzerhandbuch
5-8
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Technical Reference Guide
Input/Output Interfaces
5.5.4 Parallel Interface Connector
Figure 5-5 and Table 5-5 show the connector and pinout of the parallel connector provided on the
optional parallel bracket/cable assembly. Note that some signals are redefined depending on the
port's operational mode.
optional parallel bracket/cable assembly. Note that some signals are redefined depending on the
port's operational mode.
Figure 5-5. DB-25 Parallel Interface Connector (as viewed from rear of chassis)
NOTES:
[1] Standard and ECP mode function / EPP mode function
[2] EPP mode function: Data Strobe
ECP modes: Auto Feed or Host Acknowledge
[3] EPP mode: user defined
ECP modes:Fault or Peripheral Req.
[4] EPP mode: Reset
ECP modes: Initialize or Reverse Req.
[2] EPP mode function: Data Strobe
ECP modes: Auto Feed or Host Acknowledge
[3] EPP mode: user defined
ECP modes:Fault or Peripheral Req.
[4] EPP mode: Reset
ECP modes: Initialize or Reverse Req.
Table 5-5.
DB-25 Parallel Connector Pinout
Pin
Signal Function
Pin Signal Function
1
STB-
Strobe / Write [1]
14
LF-
Line Feed [2]
2
D0
Data 0
15
ERR-
Error [3]
3
D1
Data 1
16
INIT-
Initialize Paper [4]
4
D2
Data 2
17
SLCTIN- Select In / Address. Strobe [1]
5
D3
Data 3
18
GND
Ground
6
D4
Data 4
19
GND
Ground
7
D5
Data 5
20
GND
Ground
8
D6
Data 6
21
GND
Ground
9
D7
Data 7
22
GND
Ground
10
ACK-
Acknowledge / Interrupt [1]
23
GND
Ground
11
BSY
Busy / Wait [1]
24
GND
Ground
12
PE
Paper End / User defined [1]
25
GND
Ground
13
SLCT
Select / User defined [1]
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