How to Swap BNC Connectors to Video Input to Confirm Video Loss
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DVR4-4480G, DVR4-4480RN, DVR4-4480V, DVR4-4580G, DVR4-4580RN, DVR4-4580V, DVR4-4680, DVR4-4680RN, DVR4-4685, DVR4-4685RN, DVR4-4780V, DVR4-4980V, DVR4-5580, DVR4-5580G, DVR4-5580RN, DVR4-5680, DVR4-5680RN, DVR8-4480G, DVR8-4480RN, DVR8-4480V, DVR8-4580G, DVR8-4580RN, DVR8-4580V, DVR8-4680, DVR8-4680A, DVR8-4680RN, DVR8-4685, DVR8-4685RN, DVR8-4780V, DVR8-4880RN, DVR8-4980, DVR8-5580, DVR8-5580A, DVR8-5580G, DVR8-5580RN, DVR8-5580RU, DVR8-5680, DVR8-5680A, DVR8-5680RN, DVR8-5680RU, DVR8-5880RU, DVR16-4580G, DVR16-4580RN, DVR16-4580V, DVR16-4680, DVR16-4680A, DVR16-4680RN, DVR16-4680RU, DVR16-4880RU, DVR16-4980, DVR16-5580, DVR16-5580G, DVR16-5580G2, DVR16-5580RU, DVR4-4680XN, DVR4-4680XU, DVR4-5680XN, DVR8-4680X, DVR8-4680XN, DVR8-4680XU, DVR8-5680X, DVR8-5680XU, DVR4-1590, DVR8-1590, DVR4-1600, DVR8-1600, DVR4-4480, DVR8-4480, DVR4-4575, DVR8-4575, DVR16-4575, DVR4-4580, DVR8-4580, DVR4-4780, DVR8-4780, DVR4-4980, DVR8-4980, DVR16-1000, DVR4-1250, DVR8-1250, DVR4-1260, DVR8-1260, DVR4-1425, DVR8-1425, DVR9-1425, DVR12-1425, DVR16-1425, DVR8-1450, DVR4-1580, DVR8-1580, DVR4-2555, DVR8-2555, DVR8-2900, DVR4-3000, DVR8-3000, DVR16-3000, DVR8-3200, DVR16-3200, DVR4-3250, DVR8-3250, DVR16-3250, DVR8-3260, DVR4-3425, DVR8-3425, DVR16-3425, DVR4-3450, DVR8-3450, DVR4-4000, DVR8-4000, DVR16-4000, DVR4-4100, DVR8-4100, DVR4-4150, DVR4-4200, DVR8-4200, DVR9-4200, DVR16-4200, DVR4-4400, DVR8-4400, DVR16-4400, DVR4-4550, DVR8-4550, DVR16-4550, DVR4-4600, DVR8-4600, DVR4-4750, DVR8-4750, DVR8-5000, HDR6-8000, HDR6-8100, HDR4-8200, DVR4-1500, DVR8-1500, DVR16-1500, DVR4-1525, DVR8-1525, DVR4-1550, DVR8-1550, DVR16-1550, DVR8-1575, DVR24-4300, DVR4-4350, DVR8-4350, DVR4-4500, DVR8-4500, DVR16-4500, DVR8-4900, DVR8-8050, DVR8-8075, HDR8-8050, HDR8-8200, PRO-1080DER, PRO-1080MQB, PRO-1080MSB, PRO-1080MSFB, PRO-1080MSD, PRO-1080PTZ, PRO-1080SL, PRO-1080SQ, PRO-2KMQB, PRO-3MPMSB, PRO-3MPMSD, PRO-4K1DOME, PRO-4KDER, PRO-4KDOME, PRO-4KMSB, PRO-4KMSD, PRO-4KMSFB, PRO-4KMQB, PRO-4KRL, PRO-4KRQ, PRO-4KWLB, PRO-5MPMSB, PRO-5MPMSD, PRO-5MPMSFB, PRO-1080FLB, PRO-1080FLD, PRO-1080ZLB, PRO-1080ZLD, PRO-A850CAM, PRO-A850V, PRO-A851CAM, PRO-A851V, PRO-A852PTZ, PRO-A855CAM, PRO-A856CAM, PRO-H850CAM, PRO-H851CAM, PRO-H855CAM, PRO-H856CAM, PRO-T835CAM, PRO-T836CAM, PRO-T845CAM, PRO-T850CAM, PRO-T852CAM, PRO-T853CAM, PRO-T855AF, PRO-T855CAM, PRO-T857CAM, PRO-T858CAM, PRO-T859CAM, PRO-T890CAM, PRO-T891CAM, PRO-751CAM, PRO-770CAM, PRO-842CAM, PRO-843CAM, PRO-960CAM
If you are experiencing video loss with one of your DVR cameras, perform the following troubleshooting steps to identify if the VIDEO INPUT port (channel) is faulty.
How to test
- As per image above, swap CH1 (port having Video Loss issue) and CH2 (known working port).
- Check the "Video Loss" error again.
- If "Video Loss" remains on the same channel, then the VIDEO INPUT port of that channel (CH1) is faulty.
- If "Video Loss" changes to the other channel (CH2), then it's possible that either the BNC extension cable or the camera is faulty.
TIP: If the above troubleshooting did fix the issue, proceed with Power Adapter (PSU) swap and then BNC extension cable swap to further isolate the Video Loss problem.