5–16
6400 Line Matrix Printers Setup Guide, Cabinet and Pedestal Models
Table 5–5. 1284 Signals (continued)
Type of Mode
Pin Source of Data Compatible Nibble Byte
12 Printer PError AckDataReq AckDataReq
13 Printer Select Xflag Xflag
14 Host nAutoFd Host Busy HostAck
15 Not Defined
16 Logic Gnd
17 Chassis Gnd
18 Printer Peripheral Logic High
19 Signal Ground (nStrobe)
20 Signal Ground (Data 1)
21 Signal Ground (Data 2)
22 Signal Ground (Data 3)
23 Signal Ground (Data 4)
24 Signal Ground (Data 5)
25 Signal Ground (Data 6)
26 Signal Ground (Data 7)
27 Signal Ground (Data 8)
28 Signal Ground (PError, Select, nAck)
29 Signal Ground (Busy, nFault)
30 Signal Ground (nAutoFd, nSelectIn, nInit)
31 Host nInit
32 Printer NFault nDataAvail aDataAvail
33 Not Defined
34 Not Defined
35 Not Defined
36 Host nSelectIn 1284 Active 1284 Active
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