Overview
     MDO-LAN series PDH (Plesiochronous Digital Hierarchy) which was used in exchanger for long distance transmission, and platform of mobile telecommunication, pager transmission station ect., which was used in mini-medium column and point to point products with fiber supporting, the equipment adopted powerful function and expert digital repeating-connection chips which integrated all digital and logical function in the equipment so that improved the performance and reduced the cost of products, the completed-equipment with good performance, stable operation, low loss, strong integration capacity, small bulk, easy installation and maintenance.

Features
　◆ Favorable optic/electric specification provided by integral optic reception/transmission module
   ◆ Supporting an Ethernet interface 100Mbps
　◆ Full/ half duplex auto-negotiation 
   ◆ Offering 4E1 (2.048Mbps) interfaces
　◆ E1 Line code: compliant to G.703, E1 interface adopt digital phase locked and clock extracted technique 
　◆ Offering an asynchronous data-transmitting RS232 interface and a management RS232 interface
　◆ Perfect alarm function display remote status
   ◆ up to 120Km distance without repeater
　◆ Complete alarming function
　◆ Single-board architecture design

Specifications
1、E1 Port
　Compliance with ITU-T G.703 
    Data rate: 2.048Mbps 
    Impedance: DB37
    Line Code: HDB3
    Frequency deflection: 2.048MHz ±100PPM　 
    Jittering: compliance with ITU-T G.823
2、Optical Port
　Wavelength: 1310nm/1550nm (selectable)
    Transmitting power: -10dBm/-5dBm (order) 
    Receiving sensitivity: < -36 dBm BER <10-11) 
    Connector: FC/SC
3、Ethernet PortInterface: compliance with IEEE 802.3
    Support speed: 100Mbps line speed
    Duplex: Half/Full auto-negotiation
    Connector: RJ-45
    Interface speed: 10/100Mbps auto-detection

Typical Application
 

Order information
   MDO-LAN 　   4E1, FC/SC, DB37, 10/100M
   Optinal:
      MDO-M4 　    4*E1 module,75ohm or 120ohm
      MDO-2V35      2*V.35 module, 2M
      MDO-2METH   2M Ethernet module
      MDO-FC401 　1+1 Optical Redundancy Backup module,FC 40Km
      DATA 　          1* RS232/485 Data