HP d640 HP D640 High-Volume Printer - Installation Manual (Printer and Accesso - Page 105
Printer Interfaces
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Printer Interfaces Printer Interfaces The D640 printer is equipped with two standard communication interfaces used to connect to a host computer: • Bitronics (Parallel) interface • RS-232C or RS-422A serial interface With the addition of an HP JetDirect EX interface, purchased separately, you can use the printer on a local area network (LAN). The JetDirect EX interface connects the network to the Bitronics interface of the printer. If you purchased the HP JetDirect EX interface, you will find detailed directions included in the JetDirect EX Software Installation Guide (J2593-90011). The standard parallel (IEEE 1284C) and serial (RS-232C/RS-422A) communication interface connectors are located on the back of the printer, as shown in Figure 3-1, below. The IEEE 1284C connector is at the upper back of the printer, this connector is smaller than the usual (Centronics) parallel connector you may be used to seeing. This is a "C" type Bitronics connection, and we have included an "A-to-C" parallel printer cable with the printer. The RS-232C/RS422A connector is the standard DB25 pin connector, located near the top at the center of the printer. NOTE: If your installation requires a longer parallel cable than the one included in the printer, you may order cable C2947A. This is a 10 meter parallel cable. Host Interface Parallel connector (type "C") Serial connector Figure 3-1 Standard Signal Interface Connectors Host Computer Interface Installation and Configuration 3-3