DTMF Desktop Telephone / Auto Dial Emergency Phone With CALL , ANSWER Button

DTMF Desktop Telephone / Auto Dial Emergency Phone With CALL , ANSWER Button

Quick Detail:

Description:

The emergency call telephone will be designed to work on railway, metro, tunnel, etc. Housed in robust aluminium box with one CALL/ ANSWER button, it will offer protection against the outdoor environment and vandals.

The unit will meet all the latest European/UK standards telephony, waterproofing IP65, and lightening protection together with offering the level of performance and reliability demanded in such an environment.

l         DTMF(Dual Tone Multi Frequency)

l         Matching with most PABX,PBX and PAX systems.

l         Hotline call, As soon as you pick up handset the phone will put through.

Characteristics:

l         Robust Metal body very strong.

l         With or without keypad. Auto dial,

l         LED indicator to inform you there is a coming call

l         Robust and weather resistant, Wearable and moisture proof IP65

l         Dual purpose design for wall or desk mounting, simple installation

l         Industry standard robust handset with stainless armoured cord

l         Well treated metal hook switch.

l         Matching with most PABX, PBX and PAX systems. Standard RJ11 Connector

Applications:

As Public telephone for indoor or outdoor, Taxi or bus stands or station, Highway call box

Railway, metro, ATM machines side, Tunnel, Port, Dock, Mines, Generation facilities….

A good ideal telephone for use in wet or corrosive atmospheres

Technical specification:

1. Perform condition:

temperature:-10℃~+50℃    

relative humidity:45%~95%  

atmospheric pressure:86~106Kpa,   

environmental noise:≤60dB

2. Main technical index:

work frequency:300HZ~3400HZ  

sound level of ringing: 80db

3. Dial number

A : Pulse dial :the break ratio of pulse dial : 1.6±0.2︰1.0

 speed of pulse dial:10±1 times/s

B. DTMF dial:

Low frequency:697.770.852.941HZ ；      

High frequency:1209.1336.1477HZ

Frequency deflection:≤1.5%； 

low frequency electricity plane:-9±3dB； 

high frequency electricity plane:-7±3dB

gap of low and high frequency electricity plane in frequency group:2±1dB；

4.Feature of electrical sound