Parallel (PC) connector

#Computer#Parallel Interfaces

One of the most used printer interfaces, since every Intel/DOS/Windows based Personal Computer today has a Sub-D25 female connector which is called LPT1

25 pin D-SUB FEMALE connector pin-out & layout

25 pin D-SUB FEMALE connector  at the PC

PinNameDirDescription
1/STROBE-->Strobe
2D0-->Data Bit 0
3D1-->Data Bit 1
4D2-->Data Bit 2
5D3-->Data Bit 3
6D4-->Data Bit 4
7D5-->Data Bit 5
8D6-->Data Bit 6
9D7-->Data Bit 7
10/ACK<--Acknowledge
11BUSY<--Busy
12PE<--Paper End
13SEL<--Select
14/AUTOFD-->Autofeed
15/ERROR<--Error
16/INIT-->Initialize
17/SELIN-->Select In
18GND---Signal Ground
19GND---Signal Ground
20GND---Signal Ground
21GND---Signal Ground
22GND---Signal Ground
23GND---Signal Ground
24GND---Signal Ground
25GND---Signal Ground
Note: Direction is Computer relative Device.

Parallel (Olivetti M10) connector

Parallel (SUN) connector