Can one be used to convert the signal from a bnc camera over coax cable to a poe security system?

PoE runs between 48 volts and 54 volts. All this device does is make PHYSICAL connections between the RJ-45 plug and the Baluns, routing the video over certain wire(s) and the power over others. It JUST passes the signal, without changing it at ALL. These devices MUST be used in PAIRS. So, while it is physically POSSIBLE to connect one of these to an analog camera at one end, and then the RJ-45 to a DVR or PoE switch at the other end, this setup WILL NOT WORK. These are ONLY for use in pairs, amd their purpose is to allow you to run CAT5/6 Ethernet cabling between the DVR and cameras, INSTEAD of having to run either Siamese cable, or BOTH coax and 12V/24V power. They are merely aid to make installation easier/less expensive.

How can i connect my old coax camera to the poe? so far not working.

These adapters are not for POE. They are not compatible nor will they work with POE. These adapters simply allow you to use a twisted pair ethernet cable in place of a coax w/ 18/2 for power for people that have existing ethernet runs or cable they want to utilize. They allow power to pass-thru adapter/cable from the source power supply near the DVR.

I purchased this and tried using my rj45 camera with a bnc dvr and cannot get a signal. is it the dvr firmware or is itjust not compatible?

This item only works to convert BNC cameras to cat5 or Cat6 cable then back to BNC to the DVR. If your camera has an RJ45 connector, it is an IP camera and requires an NVR not DVR.

2 questions. 1. does the balun draw any voltage? 2. are all 8 wires need from the cat6. i have one wire that is broken-wre# 5

1: It does draw voltage. I believe it sends it on two of the pairs. 2: According to my cable tester, it is using six of the eight wires. I believe it is the white-blue/green pair that it is not using, but I'm not 100% positive of that from memory.

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Description

Size:(16.3CM) and (17CM) Colour:(black) Package Quantity:(2 PAIRS) Material:plastic+metal Features: Balun HD cat5 female to BNC male video baluns+DC 5.5 x 2.1mm female /male jack adapter cable
Video and Power Transmission via UTP CAT5 cable.A Maximum distance length：(CVI/AHD/TVI)(720P 960P:250/820ft(MAX))(1080P 3MP 4MP 5MP 8MP:200 m/656ft(MAX) ) ,B Maximum distance length：(CVBS/Analog)(960H:300m/1,000ft )
Super Extensive Applications: Support all video devices, such as camera, monitor, DVR card and recorder etc.Compatible with all digital CVI, TVI and AHD Cameras.
Note: Power voltage drop calculations: For 12V DC 1Amp, Cable distance should not exceed 90 feet/27 meters.For longer distances, please use 14V DC, 16V DC,18V DC,20-48V DC .Note:RJ45 video balun is not waterproof. For indoor use only.<b>Make sure the rj45 for camera side and DVR side are the same standards<b>Wrongfully mixing the colors may result in burning the camera and devices.
Power & Video Balun: Nickel plating BNC is provided with better transmission quality and long distance HD transmitter.Note: This product is without the indicator light

Size:(16.3CM) and (17CM) Colour:(black) Package Quantity:(2 PAIRS) Material:plastic+metal Features: Balun HD cat5 female to BNC male video baluns+DC 5.5 x 2.1mm female /male jack adapter cableThis video baluns will allow you to transmit power and video over CAT5 cable up to 1,000ft. Just use standard RJ-45 connectors on the ends of the CAT5 cable. These baluns have RJ-45 plugs built right in. Video transmission distanceA Maximum distance length：(CVI/AHD/TVI)(1080P 3MP 4MP 5MP 8mp:200 m/656ft ) (720P 960P :250 m/820ft ) B Maximum distance length：(CVBS/Analog)(960H:300m/1,000ft )This video transceiver allows transmission of CCTV video and low voltage power over UTP cable. Power and Video are routed via UTP and RJ45 connections.Super Extensive Applications:Support all video devices, such as camera, monitor, DVR card and recorder etc.Compatible with all digital CVI, TVI and AHD Cameras. Note: Power voltage drop calculations: For 12V DC 1Amp, Cable distance should not exceed 90 feet/27 meters.For longer distances, please use 14V DC, 16V DC,18V DC,20-48V DC . Note:RJ45 video balun is not waterproof. For indoor use only.Make sure the rj45 for camera side and DVR side are the same standardsWrongfully mixing the colors may result in burning the camera and devices.Note: This product is without the indicator light

Reviews

C**Z

Super value balums

Worked well for me connecting my cctv over a long run.

22.07.2020

**S

must buy

Excellent

9.07.2020

M**.

Not hugely reliable

Only one of the 4 worked

11.05.2020

D**L

Worked perfectly! 4K/8MP cameras

New house pre-wired with Cat5e… 4K/8MP cameras needed 2 cables, power and coax… this allowed me to run both power and video over cat5e and not have to run any new cables. Worked flawlessly and video quality is excellent! Unsure if it’s still true 4K, but if the video does get degraded, it’s not enough to be noticeable! Thumbs up!

7.08.2021

D**E

Good deal

Work great.. for all you replacing burn out Balun, you have to replace both size with this balun.. I learn it the hard way I was frustrated and wanted to return it and finally decided to try both of them and it work great.

4.06.2020

CGTime Balun HD Cat5 RJ45 to BNC Video Baluns transceiver Passive with Power Connector for 720P 1080P 3MP 4MP 5MP HD-CVI/TVI/AHD/CVBS/960H Camera(2 Pairs)

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