
166
PQ-8P, PQ-8S
Appendix E: Parallel-Port Specifications
Table E-1. 25-Pin Connector Pinout.
Pin Number
Direction
Name
1
Output
nStrobe
2-9
Output
Data 1 - Data 8
10
Input
nAck
11
Input
Busy
12
Input
PError
13
Input
Select
14
Output
nAutoFd (always high)
15
Input
nFault
16
Output
nInit (always high)
17
Output
nSelectIn (always high)
18-25
Signal Ground
Shell
Chassis Ground
The PQ-8P uses standard 36-pin/25-
pin Centronics
®
printer cables for
connection to a parallel printer and
to connect a parallel PC/LAN
printer server port.
The 25-pin connector on the
PQ-8P label “Parallel Out To
Printer” has the following pin
assignments: