Motorola MC21XX SERIES Integrator Manual page 95

U
UPC. Universal Product Code. A relatively complex numeric symbology. Each character consists of two bars and two
spaces, each of which is any of four widths. The standard symbology for retail food packages in the United States.
V
Visible Laser Diode (VLD). A solid state device which produces visible laser light.
W
WAN. Wide-Area Network. A radio network that supports data communication beyond a local area. That is, information
can be sent across a city, state, or even nationwide.
Warm Boot. A warm boot restarts the MC21XX by closing all running programs. All data that is not saved to flash
memory is lost.
Wireless Local Area Network (WLAN). See LAN.
Wireless Wide Area Network (WWAN). See WAN.
WNMP. (Wireless Network Management Protocol) This is a proprietary MAC layer protocol used for inter access point
communication and other MAC layer communication.
Glossary - 9