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 How to decide the type of CCTV you need?, Security System - CCTV

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nanpengyou
post Dec 17 2019, 12:48 PM

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Hello Sifu,
can i understrand what types of BNC onnector should be used to connect this mic to cctv DVR ? thank you

user posted image

i found that the connector is kinda strange and cant plug in to DVR directly.

user posted image

This post has been edited by nanpengyou: Dec 17 2019, 12:50 PM
nanpengyou
post Dec 17 2019, 01:15 PM

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QUOTE(adamw @ Dec 17 2019, 02:11 PM)
Rca to BNC
[URL=Check out CCTV Connector BNC Female TO AV RCA Female Adapter for RM1.50. Get it on Shopee now! [url=https://shopee.com.my/product/82666973/1566754010.?smtt=0.0.9[/URL]
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Thanks.
sorry to ask - BNC Female TO AV RCA Female Adapter - should connect to white or RED?
can this mic voice be recorded to hard disc of DVR ?

thanks again




This post has been edited by nanpengyou: Dec 17 2019, 01:18 PM
nanpengyou
post Dec 17 2019, 01:23 PM

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QUOTE(adamw @ Dec 17 2019, 02:17 PM)
Red is 12v dc
White is mic
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ok. it means MIC white should connect to the DVR - AUDIO out (RED) via BNC Female TO AV RCA Female Adapter?

Can this voice be recorded to the HDD of DVR? and which channel should be used to listen or record the voice?

nanpengyou
post Dec 17 2019, 01:31 PM

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QUOTE(adamw @ Dec 17 2019, 02:25 PM)
DVR audio in. And which channel depends on which brand. How many audio in your DVR have?
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Thanks.
I have a 4 channels AVTECh DVR but only 3 channels are in used which connected to CCTV Camera.
I planned to get a mic to connect to the last available channel - channel 4 which is not in used by any cctv camera.
is that possible ? will it works and record the voice to DVR ?

This post has been edited by nanpengyou: Dec 17 2019, 01:37 PM
nanpengyou
post Dec 17 2019, 03:16 PM

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QUOTE(adamw @ Dec 17 2019, 03:04 PM)
It should work if your DVR have four audio inputs
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user posted image

Thanks for your details.

To summary this connectivy -
Mic - RED - connected to 12v DC
Mic - White should be connected to AUDIO in (RED) or Video in (C4) ?
nanpengyou
post Dec 17 2019, 03:22 PM

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QUOTE(adamw @ Dec 17 2019, 04:20 PM)
Then you cannot use BNC ch 4, it's video only. However, you still can plug the mic into audio in but I am not too familiar with Avshit, oops, I mean Avtech so you got to test it out if can assign audio to Ch 4. Maybe some sifu here can help or you can test it by trial & error.
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Ok. thansk for your helps!! appreciated!!!

 

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