Rozložení pinů všech tří portů pro LPT dané standardem IEEE 1284

Pin Number	1284-A 25-pin Dsub	1284-B 36-pin Champ	1284-C 36-pin high density
1	STROBE*	STROBE*	BUSY
2	Data1	Data1	Select
3	Data2	Data2	ACK*
4	Data3	Data3	FAULT*
5	Data4	Data4	PError
6	Data5	Data5	Data1
7	Data6	Data6	Data2
8	Data7	Data7	Data3
9	Data8	Data8	Data4
10	ACK*	ACK*	Data5
11	BUSY	BUSY	Data6
12	PError	PError	Data7
13	Select	Select	Data8
14	AUTOFD*	AUTOFD*	INIT*
15	FAULT*	Not Defined	STROBE*
16	INIT*	Logic Ground	SelectIn*
17	SelectIn*	Chassis Ground	AUTOFD*
18	Ground	Peripheral Logic High	Host Logic High
19	Ground	Ground	Ground
20	Ground	Ground	Ground
21	Ground	Ground	Ground
22	Ground	Ground	Ground
23	Ground	Ground	Ground
24	Ground	Ground	Ground
25	Ground	Ground	Ground
26		Ground	Ground
28		Ground	Ground
29		Ground	Ground
30		Ground	Ground
31		INIT*	Ground
32		FAULT*	Ground
33		Not Defined	Ground
34		Not Defined	Ground
35		Not Defined	Ground
36		SelectIn*	Peripheral Logic High