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DahuaWiki
DahuaWiki
RS485 Connector 2 Pin Fif DVR Inputs RX And TX Pair CCTV PTZ Connecting Control | eBay
Dahua Technology RS485 Alarm System for Dahua DVR - ARB1606 : Amazon.de: Everything Else
Cabo De Controle De Transmissão De Sinal De RS485 CCTV Para CCTV PTZ PAN / Tilt Zoom Security Câmera Teclado Controlador DVR De $75,62 | DHgate
Source Firmware dvr que pode suportar RS-485 porto on m.alibaba.com
RS485 to USB Adapter for PC DVRs
UNIVIEW 4 Channel Hybrid DVR up to 5MP (4 Audio & RS485) - Box Open
Geovision GV-Data Capture Box V3 (RS485 to DVR)
8ch Digital Video Recorder Ahd/analog/tvi/cvi/ Dvr Cctv Dvr P2p Remote Phone Monitoring For Home Office Security Surveillance System (no Hdd) Eu Plug | Fruugo PT