Quads is a tool used to split image. During some big surveillance projects in which there are many channels video from different places but they must be displayed on one screen. In such occasion, quads is needed. 4CH quads is most popular. There are other models, like 9CH quads and 16CH quads.

9CH Color Real time video multiplexer BN-D2109

8ch video inputs 2 monitor outputs

Real time display picture

High resolution

Video gain adjustable

multi-switch and display modes available

Simple operation mode and user-friendly design

Built-in buzzer for video loss and motion event alarms

Dual monitor outputs

Features

High resolution

Real time display

Equipped with microprocessor, ASIC, compact Dimensions, and smart functions

Simple operation mode and user-friendly design

Full quad display at real time refresh rate (NTSC: 60fields/sec; PAL: 50fields/sec)

Alarm mode: video loss alarm, motion detection alarm

Built-in buzzer for video loss and motion event alarms

Supports sequence switch , single picture, PIP, four pictures, eight pictures, nine pictures, picture freezing and electronic zoom out

Dual monitor outputs (Main and Slave) allow simultaneous multi-camera and full Screen view

Specifications

Model	BN-D2109
Video Standard	PAL: 50fields/second/CH NTSC: 60fields/second/CH
Digital Memory	PAL: 720×576 NTSC: 720×480
Video Input	9loops BNC, 1.0Vp-p composite, individually optional75ohms
Video output	Main Monitor: 1 loop: 1.0Vp-p 75Ω
Call Monitor	1 loop: 1.0Vp-p 75Ω (Switch Function)
VCR Input	BNC 1.0Vp-p 75Ω/S-VHS
Alarm Input	9 Active TTL High/Low Input(one mating connector)
Alarm Output	1 Programmable as Normally open or normally close
Alarm Duration	Programmable 2-999 seconds, 4 seconds default
Alarm Mode	Video Loss Alarm , Video Motion Alarm, External Alarm
Display Mode	Sequence Switch , Single picture, PIP, Four pictures, Eight pictures, Nine pictures, Picture freezing
Interface Control	RS232/RS485
Power Consumption	DC12V 15W
Weight	3.3kg
Operating temperature	-30℃~60℃
Dimensions	432mm(W)×311mm(D)×44mm(H)