Audio door phone KNZD-43A

access controlemergencyvandal-proof

Main Features: Password and remote open door SIP2.0 + POE powered FULL Duplex hands free talk push to call DC supply Built-in speaker: 1.5W. Basic Function: WEB remote management of Terminal malfunction Calling indoor extension for two-way conversation Support SIP 2.0(RFC3261) and related RFC protocol Web Business Management: It is mainly used for remote management KNZD-43A voice access device, which includes such features as the device parameter management, access control parameter settings, card, log management. Access Control: Access control is consist of KNZD-43A voice access control, exclusive DC power supply and electric lock . Inside of KNZD-43A, self-powered electric lock can directly drive the starting current of 500mA power locks; additionally you can also access exclusive external DC power supply and the voice access output control signals, to drive.