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DP-300+ Multiprotocol Fast Ethernet Print Server User’s Guide
Port Pinouts
B
4 PORT PINOUTS
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