I have attached an LPT port document. Please comment. I tested all these
pins on my computer, so I need you to tell me under what conditions they
don't show up on your computer. Thanks
Line Printer (LPT) Pin Assignments
CT V9.26
Each LPT has up to 12 ouput pins: 1-9, 14, 16, 17
----------------------- LPT1
Antenna switch data: 2, 7, 8, 9 Top Ten Devices
Antenna switch strobe: 14
CW Keying: 1
CW Pullup: 17
DVK F1-F4: 3, 4, 5, 6
Radio1/Radio2 control: 16 this used to be LPT2 pin2
----------------------- LPT2
Antenna switch data: 2, 7, 8, 9 for second radio
Antenna switch strobe: 14
Radio1/Radio2 control: 16 for second radio - inverse of LPT1
****************************************************************************
Proposed pin assignments for V9.27
----------------------- LPT1
Antenna switch data: 2, 7, 8, 9 Top Ten Devices
Antenna switch strobe: 14
CW Keying: 1
CW Pullup: 17
DVK F1-F4: 3, 4, 5, 6
Radio1/Radio2 control: 16
----------------------- LPT2
Antenna switch data: 2, 7, 8, 9 for second radio
Antenna switch strobe: 14
Split headset bit: 16 set and cleared with ALT-? to
control headset audio per AB6FO
CW PTT: 1 to avoid relay chatter
Escape bit for DVK: 17 pulsed low to halt DVK
ken@packetcluster.com (Ken Wolff)
--
Submissions: ct-user@ve7tcp.ampr.org
Administrative requests: ct-user-REQUEST@ve7tcp.ampr.org
WWW: http://ve7tcp.ampr.org/Lists/ct-user.html
Questions: reisert@ve7tcp.ampr.org
|