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Co-Directional 64K-RS232/422/485 Converter

Type:FCC-E1tD1/R1/Q1 Message

Description:Co-Directional 64K-RS232/422/485 Converter, Serial port rate 0-14.4K

Product Description

          The G.703 (Co-Directional G.703) interface divides 64Kbps cycle into 4 unit intervals, it uses“0101” represent  “0”, “1100” represent “1". By alternating transformation polarity of the adjacent block, binary signals convert three-level signals. In every 8th group destroyed block of alternating polarity, thus to transmit 8KHz timing signal. By the above coding, G.703 co-directional 64Kbps signal could achieve transmitting the timing signal of 64KHz and 8KHz and 64KHz and the data signal of 64Kbit/s in the same direction with a pair balanced line.

           This interface converter provides one co-directional G.703 interface and one Ethernet interface to achieve 10/100Base-T Ethernet data transmission on the G.703 channel. It is a high performance, self-learning Ethernet bridge. This device is the extension device of Ethernet, using network (PDH/SDH/Microwave) that provide G.703 channel to achieve local and remote Ethernet interconnecting with serial interfaces at a lower cost. The device has inter-set loop test function to facilitate the project launching and daily maintenance.


Functional Properties

Ø  Based on self -copyright  IC
Ø  Can Realize Ethernet data transmission in one Co-directional G.703 circuit
Ø  Inter-set dynamic Ethernet MAC address (4,096) with local data frame filtering
Ø  The local device can manage the remote device
Ø  Have the function of G.703 loop back check, and indicate on LED
Ø  Can differentiate the reason of Co-directional G.703 lose signal is that the remote device power-off or directional G.703 line broken
Ø  Ethernet interface supports 10M/100M, half/full duplex auto- adaptable, supports VLAN
Ø  Ethernet interface supports AUTO-MDIX (crossed line and straightly connected line self-adaptable );
Ø  Provide 2 clock types: Co-Directional G.703 master clock and G.703 line clock;
Ø  The local device can forced the remote device rate follow it(when the device is unframed mode, that is invalid)
Ø  Have three Loop Back Mode: G.703 interface Loop Back (ANA)、Ethernet interface Loop Back(DIG)、Command the remote Ethernet

     interface Loop Back(REM)
Ø  Support self-adaptable 120 Ohm balance;

Technical Parameters
u   Co-Directional G.703 Interface  

    Interface Standard:      comply with protocol ITU-T G.703;

    Interface Rate:             64Kbps±50ppm;
    E1 Impedance:             120Ω (balance);
    Jitter tolerance:            In accord with protocol G.742 and G.823
    Maximum Transmission Distance: up to 500m
u   Ethernet interface (10/100M)

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

    Interface Standard:      Compatible with IEEE 802.3, IEEE 802.1Q (VLAN)

    MAC Address Capability: 4096

    Connector:                  RJ45, support Auto-MDIX

u   Power

    Power supply: AC180V ~ 260V；DC –48V；DC +24V

    Power consumption: ≤10W

u   Dimension          

    Product Size :       216X140X31mm( WX DXH))

    Simple packaging : 274X193 X84mm ( WX DXH)

    Piece Weight: 1.2KG

u  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)

Application Scheme

Applications 


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