Overview
MDO-240 8E1 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
＃ Offering 8E1 (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
Data rate: N*64Kbps, N=(1~31)
Line code: HDB3
Impedance: 75Ω( BNC)/120Ω(balance) auto-negotiation
Electric characteristic: comply with ITU-T G.703 standard
Connector: BNC (75Ω), RJ-45 (120Ω)
Jittering: comply with G.742 and G. 823 standard
Frame format: frame, comply with G.704 standard
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-240 8E1, 40Km, FC, 75 or 120ohm, Single mode
MDO-240-SSF 8E1, 40Km, FC, 75 or 120ohm, Single mode,Single Fiber
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