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11. Parallel Interface

The two-way parallel interface is compatible with the IEEE1284 compatibility mode and nibble

mode. Refer to the separate Specications Manual for details.

Table of Connection Signals for Each Mode

Pin No. Direction Compatibility Mode
Signal Name
Nibble Mode
Signal Name
1 In nStrobe Host Clock
2 In/Out Data0 Data0
3 In/Out Data1 Data1
4 In/Out Data2 Data2
5 In/Out Data3 Data3
6 In/Out Data4 Data4
7In/Out Data5 Data5
8 In/Out Data6 Data6
9In/Out Data7 Data7
10 Out nAck PtrClk
11 Out Busy PtrBusy/Data3,7
12 Out PError AckDataReq/Data2,6
13 Out Select Xag/Data1,5
14 — HostBusy
15 — —
16 Signal GND Signal GND
17 Frame GND Flame GND
18 OUT +5 V +5 V
19~30 Twisted Pair Return Twisted Pair Return
31 In nInit nInit
32 Out nFault nDataAvail/Data0,4
33 External GND —
34 — —
35 — —
36 In nSelectIn 1284Active

Parallel interface connector (printer side)

This connector mates with an
Amphenol 57-30360 connector