Security Glossary
Low Voltage Terms Explained
Plain-English definitions for security cameras, access control, cabling, audio/video, networking, and intercom terms — written by NYC's licensed low-voltage specialists.
Security Cameras
Security Cameras
NVR (Network Video Recorder)
Read definition → Security CamerasDVR (Digital Video Recorder)
Read definition → Security CamerasIP Camera
Read definition → Security CamerasPoE — Power over Ethernet
Read definition → Security CamerasH.264 vs H.265 Video Compression
Read definition → Security CamerasONVIF
Read definition → Security CamerasPTZ Camera
Read definition → Security CamerasVarifocal Lens
Read definition → Security CamerasIR Night Vision
Read definition → Security CamerasMotion Zones
Read definition →Access Control
Structured Cabling
Structured Cabling
Structured Cabling
Read definition → Structured CablingCat6 vs Cat6A
Read definition → Structured CablingPatch Panel
Read definition → Structured CablingMDF & IDF
Read definition → Structured CablingConduit
Read definition → Structured CablingHome Run Wiring
Read definition →Audio & Video
Audio & Video
HDMI vs DisplayPort
Read definition → Audio & Video4K Display
Read definition → Audio & VideoVideo Matrix Switch
Read definition → Audio & VideoDSP (Digital Signal Processor)
Read definition → Audio & VideoAmplifier Zones
Read definition → Audio & VideoIn-Ceiling Speakers
Read definition →Networking
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