System wiring requirements 1, between the host and the extension of the system wiring using three core PVC insulated copper wire medical call system installation and maintenance, the model for the medical call RVV equipment specifications for 2X1.0 mm (Note: Two wire host to an extension of the connection, the other cores for broadcast or infusion when the alarm function for the power supply line). 2, the system shall wiring separately. Such as weak lines parallel wiring, the distance between lines is not less than 15mm. Such as when strong electric wiring line parallel with the call, the distance between lines is not less than 200mm. 3, except that the present system with the transformer input voltage AC220V external medical call system installation, the remaining lines are in the operating voltage of DC36V following safety voltage. 4, the system includes a host and extension wiring connections, host and corridor display connection, the host and the wireless transmitter connection, the host and the patient, such as a list of connections. Call the basic needs of the system: 1, the host has LED, LCE display: host using Chinese LCD display, menu-driven operation, you can display the date, time, level of care, call bed number, system status; 2, arbitrary extension : extension using online coding, can be arbitrarily set extension; 3, uninterrupted call: Host can display multiple extension calls, and memory retention; whether the host is in standby, call, or broadcast status, classification can normally call into. Call for medical equipment | Hebei Ericsson (certified) | call provided by the Medical Engineering Co., Ltd. Hebei Ericsson. Ericsson Hebei Medical Engineering Co., Ltd. (www.hslixin.com) Hebei Hengshui, a leader in medical device manufacturing equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Hebei Ericsson leadership with the staff warmly welcome all inquiries negotiations to create a better future Hebei Ericsson.