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A-14
❖
4505/4505ps or 4510/4510ps User’s Guide
A null modem is a device that eliminates both a modem and a
telephone line. When the printers are used with an
asynchronous serial interface connected to a DTE host (such
as a PC-compatible), a modem, modem eliminator, or a null
modem is required. Figure A.6 shows null modem wiring.
Figure A.6 Null Modem wiring
Network interface communication is the most common for
enabling multiple users to print from a host system.
For
network interface
cables, refer to your network software
documentation.
Null Modem
Network Interface
AUG-APPA Page 14 Black,Cyan Saturday, January 21, 1995 7:07 PM