# Parallel Port Loopback (CheckIt)

Used to verify that a port is working. This one works with CheckIt.

(To Computer).

25 PIN D-SUB MALE to Computer.

Name | Pin | Pin | Name
--- | --- | --- | ---
Busy | 11 | 17 | Select Input
Acknowledge | 10 | 16 | Initialize
Paper end | 12 | 14 | Auto Feed
Select | 13 | 1 | Strobe
Data Bit 0 | 2 | 15 | Error

Contributor: Joakim Ögren, "Coolsys"

Source:
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Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-07