Overview
     MDO-DF480 1+1 dual optical ports 16E1 PDH (Plesiochronous Digital Hierarchy) which was used in exchanger for long distance transmission, and platform of mobile telecommunication, pager transmission station ect.,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,dual optical ports
　◆ Offering 16E1 (2.048Mbps) interfaces
　◆ E1 Line code: compliant to G.703, E1 interface adopt digital phase locked and clock extracted technique 
　◆ An official phone interface is optional, not occupy E1 channel
　◆ 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: 75ohm(BNC)/120ohm(BLANCE) 
    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、Power supply Voltage: -48VDC or 220VAC±20%
4、Environment Working temperature: 0°C~50°C
5、Size: Standalone:483mm(W)×175mm(L)×45mm(H)

Typical Application
 

Order information
        MDO-DF480 　        16E1, 40Km, FC, 75&120ohm, Dual optical ports
　　  MDO-DF480-SSF 　16E1, 40Km, FC, 75&120ohm, Single fiber,Single mode,Dual optical ports