Customer Service and Booking Hotline: +44 (0) 845 672 0175

Search

NAK

Negative Acknowledgement

A Negative Acknowledgement character or message indicates that a packet has arrived with the check digits in error. It is sent from the receiving unit to the transmitting unit and may cause the packet to be retransmitted.

Bookmark this glossary item

Share this item using the following sites:

Courses by category...

Glossary Search

Newsletter Sign-up

Our RSS Feeds...