Analog Camera/Encoder FAQ

Analog Camera/Encoder FAQ

Analog Camera/Encoder FAQ

2024-05-22

Version 2.0

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Description

An analog/HD analog to digital encoder allows analog cameras to interface with an EEN Bridge/CMVR over a standard RJ45 ethernet cable. Eagle Eye Bridges are not able to natively support HD analog cameras.

When using analog cameras, the quality of the electricity on site is paramount. If the need to troubleshoot cameras arises, a voltmeter will be necessary in order to test the power at each connection point, (e.g., power adapters [wall plugs] or power supplies [power distribution boxes]) to ensure that the power is not "dirty".
If you have analog cameras that have separate cable lines for power and video signal, the lines must never cross for the entire length of the run or this could cause interference which could create an unstable signal that the CMVR cannot use.

I purchased an encoder. Do I still need an analog bridge/CMVR to use my analog cameras?
No, purchasing a bridge/CMVR that has analog inputs is not necessary when using an encoder as the encoder converts coaxial cable to ethernet. 

I have an HD analog camera connected to an HD analog encoder which is then connected to the EEN bridge/CMVR. Does this mean this camera will stream in HD in the EEN Dashboard?
No, the highest resolution possible when using analog cameras is SD even when using an HD analog encoder.

I successfully added an analog channel from the encoder to the EEN Dashboard and it shows a green check next to it but I am not able to see the video stream for this channel. Why is the view completely black?
In addition to normal troubleshooting steps for any camera, we should verify that the camera is actually sending signal to the encoder by logging into it directly. We suggest utilizing a spot monitor which has a coaxial input so that you can connect the camera directly to the monitor to verify that you can view the stream outside of the EEN system. Additionally, you can try swapping the camera in question with a known working camera to identify the possibility that the issue lies with the coaxial cable/port/camera. 

In the camera settings for the channel I am unable to view, I see that 'Bad Signal Protection' is enabled. What is this and why is it enabled?
Most likely the voltage coming through the coaxial cable from that analog camera is either too high or too low. The analog bridge/CMVR can detect when this is the case and as a way to prevent damage to the analog bridge/CMVR, the EE device will block the signal from that particular channel. Bad signal protection should only be disabled when some troubleshooting steps have been taken to correct the issue as repeated bad signals to the bridge/CMVR can potentially damage its internal components. 

I've added the channels to Cloud VMS successfully and I have corrected some issues so now the voltmeter shows that the voltage is correct at each connection point. I have disabled 'Bad signal protection' in the settings for this channel. Why am I still unable to view video through the Cloud VMS?
It is possible that the bad signal that the bridge/CMVR was previously receiving from the analog camera caused some damage to the analog components. In extreme cases, damage is not only limited to the analog dongle but also affects the bridge/CMVR's internal analog card(s). If this might be the case, please contact Support to have an analog dongle warranty replacement sent. 

Are your bridges compatible with TVI analog cameras?
EE bridges/CMVR's are not compatible with TVI analog cameras directly. Because encoders convert analog signal to ethernet, it is possible to use an encoder that supports TVI analog cameras to achieve this. 

All of the analog channels that are added to my analog bridge/CMVR are showing 'No signal'. Why is this happening?
When all of the channels show this, it is important to ensure that the analog cameras are 'load balanced' across the analog cards. Each analog card supports 8 analog cameras; so, if you are using an analog dongle with 16 ports then your bridge/CMVR contains 2 separate analog cards.
The first analog card controls ports 1-8 and the second analog card controls ports 9-16. We should only connect the cameras so that the maximum difference between the total number of cameras connected to each analog card is 1. In other words, starting with Pair #1, connect cameras to the analog dongle only in complete pairs.

As the table below shows, cameras should first be connected to both port 1 and port 9 before any cameras are connected to Pair #2 (which would be port 2 and port 10). If you have an odd number of cameras connected to the dongle, just make sure that as many pairs as possible are completed in sequence. Please do NOT skip any pairs and all earlier pairs should be completed before any of the later pairs have any cameras connected to the associated ports.

Pair #1
Pair #2
Pair #3
Pair #4
Pair #5
Pair #6
Pair #7
Pair #8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16



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