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    SOS telephoneKNEM-23

    SOS telephoneKNEM-23

    Quantity Order:
    Origin:
    China

    Specification :

    INTRODUCTION
    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.

    Main Features:

    l Standard and SMART Analogue and VoIP-SIP options available
    l DTMF( Dual Tone Multi Frequency)
    l Matching with most PABX, PBX and PAX systems.

    1 Main body with whole metal body, solid and temperature bearable
    2 Handset free, build-in loudspeaker,
    3 Resume lightning proof protection automatically standard to ITU-T K21
    4 Waterproof grade about IP55
    5 The metal shell is provided with grounding connection device and is absolutely insulated with inner circuit and electric , then has the effect of electromagnetism shield.
    6 Support hotline call, can realize ring off automatically if the other side close.
    7 Totally adopt SMTC craftwork keep very good quality.
    8. KNEM-23

    The design is super thin and smart. Embed style and hanging style can be chosen.

    9 Every call is limited( set by five minutes) , auto ring off if time exceeded. ( Optional)
    10 The telephone has passed the certificate of ISO9000( 2000)
    11 Built-in CCTV camera will open/ close automatically when telephone on/ OFF.
    12 Blue light automatically open and / close when there’ s a phone call coming.

    Applications:

    As Public telephone for indoor or outdoor, elevator phone, 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

    VOICE OVER IP – SIP

    Connection type: RJ45 Socket inside sealed enclosure
    Power suplly: External 24V dc
    Call set-up Protocol: Session Initiation Protocol( SIP)
    Configuration: DHCP or Static IP address provisioning

    Specification:
    Light: DC24V
    Telephone model plate style: KNZD-09
    Function the light will flash when there is a call
    Seek help: light flash

    During the night automaticly turn on

    During the day automaticly turn off

    Main technical indexes

    1 Applicable for various types of SPC exchange and dispatching exchange system with feeding voltage of 48-69V.

    2 Ambient temperature: -30 ~ 60 Relative humidity: 10% ~ 95%
    Atmospheric pressure: 86~ 106Kpa Circumstance noise: d 60dB A

    3 Sound level of ringing e70dB A . 1W speaker

    4 Standard frequency low frequency group 697 770 852 941Hz,
    high frequency group 1209 1336 1477Hz, frequency deviation d± 1.5%
    If service line is a 3Km signal
    level
    Standard frequency low frequency group -9dB± 3dB high frequency group - 7dB± 3dB level difference between low and high frequency of compound signal 2± 1dB the total distortion caused by intermodulation of harmonic wave is lower than the basic level by at least 20dB.

    5 Call transmission index ( 5KM) SLRd12, RLRd-1, STMRe10, output impedance is 600© .

    6 Super strong function is available for dialing 12 groups of numbers stored in the memory  maximum length of each number is16 digits

    Certification:

    EMC: EN50121 ( Railway application- Electromagnetic Compatibility)
    EN55022: emissions
    EN55024: immunity
    Ingress Protection: GB4208-93 IP67
    FCC
    ITU-T Recommendations K21



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