User Manual

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DDNS: Dynamic Domain Naming System. Method for automatically updating hostnames, address or other
information like a URL on a given name server.
DHCP: Dynamic Host Configuration Protocol. A network protocol that allows a server to automatically assign
a device and IP address.
IP: Internet Protocol. Protocol for standard communications across the Internet.
ISP: Internet Service Provider. An organization that provides services for accessing or using the Internet.
PIR: Passive Infrared. Heat-based sensors eliminate most false alarms and only delivers alerts when people,
animals or vehicles are detected.
SMTP: Simple Mail Transfer Protocol. Standards used for email transmission.
UPS: Uninterrupted Power Supply. Device used to keep the DVR and cameras powered when the main power
supply is lost or disconnected.
UTC (Up-the-Coax): This new technology allows for PTZ functions to be sent back and forth between the DVR
and camera using a standard BNC (Video/Power) cable without the need for a separate port.
C20X and C50X: Hi-Definition Analog. Delivering crisp and clear HD images over coaxial cable.
Chapter 8: Glossary