A,7 Parallel Interface Cables For Printers And Other Devices - Black Box LE3840A Manual

ETHERNET PRINT SERVERS HIGH SPEED AND 4-PORT
A.7 Parallel Interface Cables for Printers and Other Devices
The pin layout for the DB25 connector is similar to the IBM PC parallel
connector. It uses the following signals for communications (standard TTL
levels).
DB25 Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18-25
128
Table A-3. Parallel Interface Signals.
Signal Name
- Strobe
+ Data Bit 0
+ Data Bit 1
+ Data Bit 2
+ Data Bit 3
+ Data Bit 4
+ Data Bit 5
+ Data Bit 6
+ Data Bit 7
- Acknowledge
+ Busy
+ Paper End (Out of paper)
+ Select
- Auto Feed
- Error
- Initialize Printer
- Select Input
Ground