Internet/Print Server User’s Guide
Port Pinouts
74
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).
Summary of Contents for DP-802
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