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Emergency Intercom

Emergency Intercom


As a professional Emergency Intercom factory, we provide different kind of Emergency Intercom,Metro telephone,outdoor emergency telephone and export to 130 countries. The Most Professional Emergency Intercom Manufacture in Asia! We are the manufacturer of Handfree telephone intelligent audio digital doorphone intercom With POE power supply electrical equipment in hazardous areas.
emergency handsfree telephone

KNZD-30 Emergency Intercom

We are the manufacturer of Handfree telephone intelligent audio digital doorphone intercom With POE power supply  electrical equipment in hazardous areas.The emergency intercom only can only make voice calls.The voip intercom can make a video calls.

1. Stainless steel 304 body, vandal & tamper-resistant hardware, easy Installation.
2. Waterproof rating IP55 dust proof.
3. Support induction loop.(optional)
4. Hands-free button, double loudspeaker.
5. Lightening protection to ITU-T recommendation K.21.
6. POE power supply or DC12V.
7. Temperature range from -40 degree to +70 degree.
8. Support echo cancellation.
9. Remote software upgrade, configuration and monitoring.
10. Optional 7 minute time out to release the line if the handset is left off hook. This function
upon buyer’s requirement).
11. The housing covered with a layer of reflective label for easy identification at night.Optional
12. Application: Tunnel, metro, railway, LRT, speedway, marine, ship,offshore, mine, power plant,
bridge etc.

emergency intercom size
EN55022: emissions   EN55024: immunity
Ingress Protection: GB4208-93 IP55 FCC
ITU-T Recommendations K21
EMC: EN50121(Railway application-Electromagnetic Compatibility)


Unit size:210*135*44mm     Unit: N.W:1.2kg

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==>>>> Product Specification

VoIP SIP2.0 telephone        DTMF dialing
MTBF:100000hours             MTTR: 2 hours
Hotline (maximum length of each number is 16 digits)
Communication: Full duplex 2-way hands-free communication
Call Control Signaling:VOIP SIP Info(DTMF), RFC 2833(DTMF)
Power:Power over Ethernet, IEEE802.3af, Class 0  Local power, 12VDC,Idle 2W, Max 10W
Auxiliary Contacts:1 Aux Output, dry contact
Contact Ratings. Load: Resistive load
Rated load:0.3 A at 125 VAC; 1 A at 30 VDC
Rated carry current:1A
Max.switching voltage:125 VAC,60VDC
Max.switching current:1A
Audio Codes:G.711, G.722, G.729
Network:10/100 BaseTX Ethernet, RJ45 connectors, Cat5e or better
LAN Protocols:Power over Ethernet(PoE,802.3af), WLAN(IEEE 802.3af), Network Access Control(IEEE 802.1x),STP(IEEE 802.1d), RSTP(IEEE 802.1d-2004)
Programming:Non-volatile flash memory programming and configuration through Web GUI
Management and Operation:DHCP and static IP, remote automatic software upgrade, centralized monitoring, status LED
Echo cancellation code:G.167/G.168

==>>>>Telephone System
emergency intercom system

==>>>>Product Application
emergency intercom application
emergency intercom application
emergency intercom application
emergency intercom application

==>>>>Product Detailed Pictures

==>>>>Product Video

==>>>>Please Email US marketing@koontech.com

This product model:KNZD-30-2IPIL