Service manual

Contents
A-1
Appendix A — Glossary
Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Terms
The following terms appear in this manual:
ASCII
American Standard Code for Information Interchange. A standardized way of assigning numerical
codes to characters and control codes.
ATE
Automated test equipment used in performance testing of printed circuit assemblies.
Baud rate
Data transfer rate associated with serial data transfers, typically between personal computers via
modems. Example: 9600 bits per second.
Bit map
Technique of drawing computer images by mapping the image in RAM.
BNC
A push and twist connector that allows a fast connect/disconnect of thin coaxial cable.
Boot ROM
Programmed ROM devices that contain basic data required to start a digital system at power up.
This data generates instructions to the processor, allowing a limited set of start-up instructions.
CMOS RAM
Battery backed up device used to store configuration information such as node name, node ID, or
bed names.
Composite video
Video display signal containing both video and sync information.
CPU
Central Processing Unit
CR/LF
Carriage Return / Line Feed
CTS
Clear To Send signal used in communication protocols.
DB-15
“D” shaped 15-pin connector of either male or female gender.