1. The connection way of model AK,HK,VK are almost as same as DK, please refer above
chart when connecting.
2.
4.
5.
6.
7.
A lightning protector is a device to be installed on an outside (CO)line to prevent
a dangerous surge from entering the building and damaging the equipment, please
use less 10ohm resistor grounding arrester for CO line.
3.System must be at well grounding condition, otherwise system may operates
un-properly.
Avoid install telephone cable at outdoor, do not wire telephone cable in parallel
with power source, computer, telex, etc. Otherwise, the system operation may be
interfered by the electromagnetism from such equipment.
Install at least 50cm away from flammability or volatile, avoid install on dusty
places, or places where water or oil may come into contact with system.
Unplug the system when change card, draw or insert card vertically.
Adopt power switching, input voltage is 80V~260V, power switching only
control DC power, don't control AC power.
8.The system can be equipped with an external music source to replace internal
built-in music, input signal voltage range is 0.5V~2V. Voice Recorder port is
exclusive for connect with monitor voice recorder(model LH-2000).
9.System serial communication port is for connect with PC COM port, allows
realize multi-functions application and PC charge function when work with our
CTI (computer and telephone integrated ) software.
10.Please read manual carefully before connecting and programming, avoid error
program cause system doesn't operates properly, please reset power supply
when a failure occurs, or contact with your dealer. This unit may only be
installed and served by qualified service personnel.
1.5
Precautions
12