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Best Price 16-Channel Telephone Multiplexer

The TCE-DH6816 series Telephone Multiplexer (4E1 16-Channel FXO / FXS) is a point-to-point optical transmission equipment developed on the basis of the ultra-large-scale PDH optical fiber transmission developed by our company. Has a sound alarm function, optional 1 to 4 100M wire speed Ethernet interface and 1 to 4 serial data interface. Device can be built-in SNMP module, stand-alone SNMP management. Electrical equipment for all-digital circuit, the whole work reliable, stable, low power consumption, high integration, small size, easy to install and maintain.


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  • l Integrated circuit based on independent intellectual property rights;

    l The whole machine is designed for veneer;

    l Can monitor the alarm status of the peer;

    l E1 interface complies with G.703 recommendations, using fully digital clock recovery and smooth phase lock technology;

    l Provide two expansion interfaces, which can expand 1~4 asynchronous data, such as RS232 / RS485 / RS422 / Manchester code, etc .; or 1~8 switches and 1~4 E1(Therefore, up to 8 E1 channels on this device), 1~4 voice, or two/four-wire audio;

    l Ethernet interface 10M / 100M, full / half duplex fully adaptive, VLAN support;

    l Each Ethernet port supports Auto-MDIX (cross / straight connection adaptation);

    l 1-16 voice access, support for caller ID function;

    l Support each site's mutual release number function;

    l Voice port support FXO port and FXS port, FXO port and program-controlled switch docking, FXS port and the user's phone connected;

    l Desktop equipment can support independent SNMP network management, and support optical network management level connected (optional);

    l Can detect the loss of optical signals for the remote device off or fiber fails;

    l Can monitor the local temperature and the local voltage;

    l Can monitor the voltage and temperature of the remote device and set the temperature alarm threshold;

    l A variety of power options: AC220V, DC-48V / DC24V, etc .;

    l No relay transmission distance greater than 2 ~ 120 km.


  • Optical interface

    Wavelength

    single mode 1310nm / 1550nm multimode 850nm / 1310nm

    Fiber

    multimode, single mode

    Transmit power

     -9dBm / -5dBm

    Transmission length

    0-50 km / 120 km

    Receiving sensitivity

    better than-36dBm (bit error rate <10-11)

    Optical code

    Scramble NRZ code

    Connector

    SC / FC / ST

    E1 interface

    4 E1 interfaces are in line with G.703 recommendations

    Rate

    2048Kb / s ± 50ppm

    Pattern

    HDB3

    Impedance

    unbalanced 75W

    Jitter characteristics

    to meet the G.742, G.823 recommendations

     Input port allows attenuation

    0 ~ 6dBm

    Physical Interface

    BNC

    Ethernet interface (10 / 100Base-T)

    Bandwidth

    line speed 100M

    Rate

    10 / 100M adaptive, full / half duplex adaptive

    Protocol

    Supports IEEE 802.3, IEEE 802.1Q (VLAN)

    MAC Address Table

    learn 4096 MAC addresses

    Physical interface

    RJ45 , support Auto-MDIX (cross / straight line adaptive)

    FXS phone port

    Ringing voltage

    75V

    Ringing frequency

    25HZ

    Second-line input impedance

    600Ω (off-hook)

    Return loss

    40 dB

    FXO Interface

    Ringing detection voltage

    35V

    Ringing detection frequency

    17HZ-60HZ

    Second-line input impedance

    600Ω (off-hook)

    Return loss

    40 dB