V-Tech VT Brochure - Manual (Page 2)

The VT 4-wire system is widely used in houses, villas or small commercial offices, consists of 4 wires
as P+(Power),P-(Ground), AU(Audio), VD(Video), it could complete functions of unlock, monitoring,
talking, intercom, picture memory, photo frame playing, light control,etc.
Maximum 5 monitors connection per system
Maximun 4 CCTV or door camera via VT-MDS
Light control via VT-RLC
External memeory via VT-MEM
Video Quad splitter via VT-QSW
System Introduction
System Capacity:
Optional Functions:
Door/Camera Monitor
Per System
4 5
Light Control External Memory
available available
Video Splitter
available
1
4 Outputs video surveillance for security life