Overview
MDO-120 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
＃ Offering 4E1 (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.742、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-120 4E1, 40Km, FC, 75 or 120ohm, Single mode
MDO-120-SSF 4E1, 40Km, FC, 75 or 120ohm, Single firber,Single mode
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