Internet/Print Server User’s Guide
Port Pinouts74
Parallel Port
The table below lists the pinouts of the internet/print server’s 25-pin
parallel port connector (identical to the parallel port connector used
on most personal computers), and the corresponding pin numbers for
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
RJ-45 Port
The RJ-45 port of the device is a LAN port designed to use standard,
straight twisted-pair cabling (with different ratings at different
lengths for Ethernet and Fast Ethernet).
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