Emergency Help Telephone Accessories Utility Tunnel Telephone Communication Board

I..Functional Overview

1.Supports standard SIP 2.0 protocol.

2.SupportsDC 9-24V power supply.

3.Supports hands-free calling and handset calling functions.

4.Supports10 speed dial groups.

5. Supports signal input and output ports.

6. Supports customization of four function keys.

7. Supports 0-9 numeric keypad and *# keys.

8. Supports broadcast audio output interface.

9. Supports restoring factory defaults and querying IP address via keypad.

10. Hands-free mode supports a 3W speaker.

11. Supports customized POE power supply function.

11. Supports echo cancellation and digital noise reduction.

12. Supports auto-answer settings and busy tone detection for call termination.

13. Supports switching between Simplified Chinese and English languages.

II、Applicable Environment
1、Storage temperature:-20°C--70°C,Operating temperature-35°C--50°C;
2、Environmental humidity:Relative humidity below 95%;
3、Operating voltage: DC9-24V 1A;

III、Hardware Interfaces

1、The handset uses a 4P female socket; the handset switch, hands-free microphone, and speaker use a 2P female socket; the keypad uses an 8P wire socket.

2、Supports DC round plug power supply interface.

3、Two sets of 3.3V LED indicator interfaces.

4、All interfaces use PH2.0 pitch wire sockets.

5、One RJ45 Ethernet interface

6、One program input interface