Night Owl AHD10 Series User Manual page 68

Chapter 8:
Glossary
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.
AHD: Hi-Definition Analog. Delivering crisp and clear HD images over coaxial cable.
68 AHD10 Series User's Manual