72-135 RS232 to RS485 Converter

 Calrad’s 72-135 RS-232 to RS-485 Connector for DVR Surveillance Systems Applications. Necessary for PC Based DVR Systems to Control Pan and Tilt Cameras. This adapter is used to control Pan Tilt and Zoom functions for PTZ decoder boxes and PTZ cameras. Connects to the DVR-PC Serial port. No external power required for the converter.

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72-135 Product Brochure in PDF:  72-135

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