JLT-112 GSM card elevator intercom has the following major functions

1. Simple installation, no wiring from cage to duty room, eliminating the traditional wiring problem of cage to duty room.

2. Good effect: adopting the most advanced GSM network, the network covers a wide range, has no distance limit, and can reach 1,000

Outside control and communication. The call was good, just as good as usual, with no noise or screaming.

3. Powerful function: it has the function of switching, so the line will not be busy, which fully guarantees the timely communication in the cage.

There will be no dead or unanswered calls.

4. It has the latest unique anti-crash technology of the company, and fast transfer technology (20 seconds).

5, SMS can change the call number: edit the message "such as **** call order # device password # mobile phone number #" successful return message "number changed successfully". Note: the call sequence is 1-5, and the initial password of the device is ******.

6. Change tower number: edit SMS "*** device password # tower number #" and send it to the device.

Note: the tower number is represented by 3 digits (for example, building 001, building 18, building 018).

7. Device restart: edit SMS '**** device password #' and send it to the device

8, change the device password: edit the message "****# original password # new password" successfully prompted "password modified successfully, please remember the new password".

9. Initial password of recovery device: please consult the manufacturer for details.

10. Change the password of control room: please consult the manufacturer for details.

11. Remote control: the machine can be locked remotely for the convenience of service charge. Please consult the manufacturer for details.