Parallel Port Pinout Assignments

IEEE 1284-C for a Printer

Pin Assignment Pin Assignment
1 Busy 19 Signal Ground (Busy)
2 Select 20 Signal Ground (Select)
3 nAck 21 Signal Ground (nAck)
4 nFault 22 Signal Ground (nFault)
5 PError 23 Signal Ground (PError)
6 Data 1 24 Signal Ground (Data 1)
7 Data 2 25 Signal Ground (Data 2)
8 Data 3 26 Signal Ground (Data 3)
9 Data4 27 Signal Ground (Data 4)
10 Data5 28 Signal Ground (Data 5)
11 Data 6 29 Signal Ground (Data 6)
12 Data 7 30 Signal Ground (Data 7)
13 Data 8 31 Signal Ground (Data 8)
14 nInit 32 Signal Ground (nInit)
15 nStrobe 33 Signal Ground (nStrobe)
16 nSelectIn 34 Signal Ground (nSelectIn)
17 nAutoFd 35 Signal Ground (nAutoFd)
18 Host Logic High 36 Peripheral Logic High

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