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Parallel Port Loopback

Used to verify that a port is working. This one works with Norton Utilities: Norton Diagnostics from Symantec.

25 PIN D-SUB MALE (To Computer).

25 PIN D-SUB MALE to Computer. 

Name Pin Pin Name
Data Bit 0 2 15 Error
Data Bit 1 3 13 Select
Data Bit 2 4 12 Paper Out
Data Bit 3 5 10 Acknowledge
Data Bit 4 6 11 Busy

 Contributor: Joakim Ögren

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Please send any comments to Joakim Ögren.