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Zebra Z4M/Z6M Printers User’s Guide 91
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Table 7 illustrates the pin connections on the bi-directional parallel connector at the
rear of the printer.
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The 8-bit parallel data interface supports IEEE 1284 bi-directional parallel
communications in “nibble mode.” The parallel interface provides a means of
communication that is typically faster than the previously mentioned serial interface
methods. In this method, the bits of data that 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 compatible 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 that 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.
Table 7
Pin No. Description
1 nStrobe/HostClk
2-9 Data Bits 1-8
10 nAck/PtrClk
11 Busy/PtrBusy
12 PError/AckDataReq
13 Select/Xflag
14 nAutoFd/HostBusy
15 Not used
16 and 17 Ground
18 +5v @1A
19-30 Ground
31 ninit
32 nFault/nDataAvail
33 and 34 Not used
35 +5v through a 3.3 KW resistor
36 nSelectin/1284 active