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Dahua NVR `2020 41хх series Help identify Rx Tx on NVR (all 3 pins have +3.3V), ground found Probably left two are Rx Tx ?

Just flash new FW IPC-HDW5231R-ZE Rhea V2.800.0000016.0.R.200605 for IPC-HFW5231E-ZE I see more noisy picture at night after upgrade (i dont change anything) 1) Is i needed reset to factory defaults few times ? 2) Is it correct to import camera settings from previous FW (if hard reset needed...

Which manual you use ? You solder uart connector on plate ? Understand now whats a problem. In Ukraine techsupport from Vidimost/Viatek is very stupid

I see that problem is with latest 4x DH_NVR4XXX-4KS2_MultiLang_V4.001.0000000.0.R.200221.bin (this ROM still bugzy as all 4x Dahua firmware but with additional surprise) when downgrade to last working DH_NVR4XXX-4KS2_MultiLang_V3.216.0000003.0.R.1905211 because all firmwares that i flash...

I have Dahua 2mp IPC-HFW5231E-ZE but it cant normally work even at last firmware. it is noisy, low WDR, and cant work without IR light. IR light is very visible and not EXIR type, only round in centre it have VERY slow PLAY speed (microsd card in it 90/90 mb/s sandisk extreme ultra)...

Is it possible to recover (unbrick) DVR through net RJ45 port ? I have NVR4104 and it hasn`t UART jack and i have a some difficulties to find connector and solder it now. I try to downgrade my NVR from last 4xx bugzy firmware back to working 3xx firmware through web interface, i left it in...

I have IPC-HFW5231E-ZE now installed V2.800.0000014.0.R, Build Date: 2019-12-03 V3.2.1.826389ONVIF 16.12(V2.4.3.822559) Use this camera as standalone with microsd 128gb about few month. From very beginning i see very slow network speed for data transmission. Even a switching between camera...

onvif works on 3gen fw, on 4gen NO

last is DH_IPC-HX5X3X-HDMI-Rhea_Eng_P_Stream3_V2.622.0000000.31.R.180813.zip full list cams Hx5x3x-Rhea багатомовна прошивка IP відеокамер Dahua за 02.12.2019

ONVIF OEM camera identified as ECSAM QF001: ONVIFER see it correctly and connects via ONVIF http; TinyCamMon see and works with cam as ECSAM QF001 and dont connects via ONVIF ONVIF problem in Dahua NVR 4104-P-4KS2 too

I use it in test mode with 1 onvif camera. Needed 2times full reset after update! 1. cant connect through ONVIF 2. rtsp settings works some time, then loss 3. dont work motion detection through rtsp Works with IMOU

Have camera IPC-HFW5231E-ZE V2.800.0000010.0.R, Build Date: 2019-08-07 ISPWEB V3.2.1.766334 ONVIF 16.12(V2.4.3.651299) 1) Have a problem - very slow login and other operations, long time to receive pic and other. Problem was on native and latest firmware. 2) I use IMOU Android and also DMSS...

Do you asking me ? For whom is your message

Hi Have IPC-HFW5231E-ZE and just update with DH_IPC-HX5X3X-Rhea_MultiLang_NP_Stream3_V2.800.0000010.0.R.190807.bin and then full reset to default. See next problems: day/night profile is not separate, IR light settings (both far/close) in custom mode for night is same as for day profile.

I have outdoor using Hikvision 2Mp WiFi cam DS-2CD2020F-IW now with V5.4.5 build 170123 that recording to microSD card (only 64Gb ((( according to manual, its a too small). According to the wind&trees around i cant use motion detection func in cam (around a car), only intrusion detection in...