21 Jun
2005
21 Jun
'05
5:27 p.m.
http://www.classiccmp.org/hp/PDP-8%20cards/CESI%20LPC8.jpg
third party line printer controller card
http://www.classiccmp.org/hp/PDP-8%20cards/Emulex%20TU1110406.jpg
phase encoding option for the Unibus TU11 controller
http://www.classiccmp.org/hp/PDP-8%20cards/Emulex%20TU1110406.jpg
part of a systems industries disc controller
http://www.classiccmp.org/hp/PDP-8%20cards/PN%20140014.jpg
probably a third party serial interface with 20ma output
(note the opto isolators near the connector)
