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Parallel Data Communications
Table 12 illustrates the pin connections on the Bi-directional Parallel
connector at the rear of the printer.
Parallel Interface
The 8-Bit Parallel Data Interface supports IEEE 1284 bi-directional
parallel communications in “nibble mode”. The parallel interface pro-
vides a means of communication which is typically faster than the pre-
viously mentioned serial interface methods. In this method, the bits of
data which make up a character are sent all at one time over several
wires in the cable, one bit per wire.
Parallel Cabling Requirements
An IEEE 1284 compatable bi-directional parallel data cable is required
when this communication method is used. The required cable must
have a standard 36-pin parallel connector on one end which is plugged
into the mating connector located at the rear of the printer. The other
end of the cable connects to the printer connector at the host computer.
74 Z Series™ User’s Guide
Table 12. Rear Panel Parallel Data Connector Pinout