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80 Appendix B: Interfacing Information
4250/4225 Card Printer UserÕs Manual
B. CENTRONICS-TYPE PARALLEL INTERFACE
The Centronics-type parallel interface is the most widely used printer interface due
to its simplicity, speed, and standardization throughout the PC industry. The
printerÕs parallel interface connector is a standard 36-pin Amp type with two
metal-wire retaining clips and is ECP (Extended Capabilities Port) compatible. It
mates with a standard, bi-directional PC to printer parallel cable. For best results,
keep the interface cable to under 6 feet if possible.
TABLE B-1: Parallel Interface Pin Assignments
14
25
13
PIN 1
36 18
PIN 119
WIRE DIAGRAM
DB36P DB25P
11
22
33
44
55
66
77
88
99
10 10
11 11
12 12
13 13
14 14
32 15
31 16
36 17
19 THROUGH 30 19 THROUGH 25
SHELL SHELL
510291_card printer 11/24/98 12:19 PM Page 80