DP-300 Multiprotocol Fast Ethernet Print Server User’s Guide
Port Pinouts
10
B
4 P
ORT
P
INOUTS
This appendix shows the pinouts of the DP-300 parallel and serial printer ports.
Parallel Ports
The following table lists the pinouts of the print server’s 25-pin parallel port connector (identical
to the connector used on most personal computers), as well as the 36-pin Centronics connector
used on most printers.
Signal names beginning with n are active-low signals.
25-pin Centronics Signal Source
1 1 nStrobe Host
2 2 Data 1 Bi-directional
3 3 Data 2 Bi-directional
4 4 Data 3 Bi-directional
5 5 Data 4 Bi-directional
6 6 Data 5 Bi-directional
7 7 Data 6 Bi-directional
8 8 Data 7 Bi-directional
9 9 Data 8 Bi-directional
10 10 nAck Printer
11 11 Busy Printer
12 12 PError Printer
13 13 Select Printer
14 14 nAutoFd Host
15 32 nFault Printer
16 31 nInit Host
17 36 nSelectIn Host
18-25 16, 17, 19-30 Ground
To Next Page
Loading...
