
Protocol data unit (such as segment, packet, frame, etc.)
Found on
http://en.wikipedia.org/wiki/List_of_information_technology_acronyms

(initial, historical) Power Diagnostic Systems.
Found on
http://wiki.eveonline.com/en/wiki/Glossary

Power Distribution Unit,
details ...Found on
http://www.cryer.co.uk/glossary/p/index.htm

protocol Data Unit, information packet (ADDR, CTRL, INFO) passed as one level between protocol stacks, OSI
Found on
http://www.encyclo.co.uk/local/20957

Plug Distribution Unit + Protocol Data Unit
Found on
http://www.encyclo.co.uk/visitor-contributions.php

Protocol Data Unit. Standards jargon for a data packet transferred as part of a communications protocol.
Found on
http://www.encyclo.co.uk/visitor-contributions.php

Power Drive Unit- Powers the F-16's LEF system, rotates the leading edge flap torque tubes to move the LEF's inflight hydraulically actuated.
Found on
http://www.f-16.net/glossary-P.html

Pylon Decoder Unit
Found on
http://www.tornado-data.com/siteinfo/glossary.htm

(NETWORK GLOSSARY) Protocol data unit, Another work for packet as defined by the OSI.
Found on
https://www.encyclo.co.uk/local/20479

Professional Development Unit
Found on
https://www.encyclo.co.uk/local/21417
No exact match found.