IP over TDM ethernet over 4 E1 Converter

IP over TDM ethernet over 4 E1 Converter

Short Description:

IP over TDM interface converter realizes 4 port 100M ethernet over 4 E1 converter transmission. automatically detect the number of E1 and select the E1 available 4 port ethernet isolation each other.
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  • Description



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    The IP over TDM interface converter is based on FPGA, using reverse direction multiplexing technology to bundle for 4 E1 circuits to transmit the Ethernet data of 4Channel 100BASE-TX ethernet. It can realize 4 port 100M ethernet over 4 E1 transmission, which realize point to point communication application. Unlike general remote network bridge, this device can support 1-4Channel E1 channel configuration, can automatically detect the number of E1 and select the E1 available. The 4 E1 interface converter allows E1 lines transmission time delay difference.


    • Based on self -copyright IC
    • To achieve Ethernet data transparent transmission in 1-4E1 circuits
    • The IP over TDM converter support the local and the remote device reset
    • Ethernet over 4 E1 Interface is 100BASE-TX, support VLAN protocol
    • Inter-set dynamic Ethernet MAC address (4,096) with local data frame filtering function
    • Single Channel lines rate is 1984Kbit/s, 4Channel Bandwidth is up to 7936Kbit/s
    • 4 10M/100M Ethernet interface can isolate each other, realize communication independently
    • Ethernet interface supports10M/100M, half/full duplex auto- adaptable and AUTO-MDIX  (crossed line and straightly connected line self-adaptable )
    • CRC automatic alarm threshold can be set to isolate the poor quality transmission lines and cut off a single-direction. When 2M branch circuit onedirection error rate exceeds threshold, cutting off this direction the other direction is not affected; that is to say, both of the Ethernet directiontransmission can be asymmetric
    • Allow 4-Channel E1 transmission time delay difference 100ms. When the margin exceed the allowed range, the system can automatically stopon the E1 that time delay is too large to send data
    • E1 interface conform to ITU-T G.703, G.704 and G.823, not support the use of signal timeslot
    • E1 interface module with inter-set clock recovery circuit and HDB3 code circuit
    • Support E1 channel hot-plug in the device, and automatically detects the effective E1 channel and will not interrupt data transmission
    • Can support 1-4Channel E1 channel configuration, can automatically detect the number of E1 and select the E1 available.

    Useful link:
    What is the difference between IP over TDM (E1 to ethernet converter) and TDM over IP (E1 over ethernet)?



    • IP over TDM E1 Interface

    Interface Standard:                                                 comply with protocol G.703;

    Interface Rate:                                                          n*64Kbps±50ppm;

    Interface Code:                                                         HDB3;

    E1 Impedance:                                                         75Ω (unbalance), 120Ω (balance);

    Jitter tolerance:                                                       In accord with protocol G.742 and G.823

    Allowed Attenuation:                                             0~6dBm

    • Ethernet interface(10/100M)

    Interface rate:                                                           10/100 Mbps, half/full duplex auto-negotiation

    Interface Standard:                                                 the IP over TDM is compatible with IEEE 802.3, IEEE 802.1Q (VLAN)

    MAC Address Capability:                                       4096

    Connector:                                                                 RJ45, support Auto-MDIX

    • Working environment

    Working temperature:                                             -10°C ~ 50°C

    Working Humidity:                                                   5%~95 % (no condensation)

    Storage temperature:                                                -40°C ~ 80°C

    Storage Humidity:                                                     5%~95 % (no condensation)

    Model Model Number: BD-4E1-4ETH
    Functional Description 4E1/4FE interface Converter,Ethernet can be divided into logical isolation
    Port Description 4* E1 interface;4 *FE Interface
    Power Power supply: AC180V ~ 260V;DC –48V;DC +24V

    Power consumption: ≤10W

    Dimension Product Size: Mini type 216X140X31mm (WXDXH),1.3KG/piece

    19inch 1U type  483X138X44mm (WXDXH),2.0KG/piece


    Application description:

    When the device set logical isolation ,can be achieved Independent communications between A – A1, B – B1, C – C1 and D – D1.

    1. Protocolconverters are used in pairs;

    2.1-4channel E1 transmission line bandwidth 1984Kbit / s -7936Kbit / s.

    IP over TDM point to point application

    IP over TDM point to point application

    Order information
    Product Model Descriptions Inquiry
    BD-4E1-4ETH 4 Port 10/100M ethernet over 4 E1 converter, power AC220V Request Price

    TP over TDM 4E1-4FE Interface Converter datasheet

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