PDH Digital Radio Link System,DMP-7/8/13/15/18/23

PDH Digital Radio Link System, Model:DMP-7/8/13/15/18/23

PDH Digital Radio Link System

DMP-7/8/13/15/18/23

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Main Feature

　Frequency Range: 7/8GHz,13 GHz,15 GHz,18 GHz,23 GHz

　Interface: 4E1, 8E1,16E1,E3,DS3,10/100M, ASI at 32Mb/s

　Modular Design, high performance and reliability

　Convolutional Interleaver, Punctured convolutional encoding

　RS encoding, QPSK Modulation

　Low power consumption and high gain

　IDU and ODU link through coaxial-cable with automatic equalization for more than 300 meters
　

　Frequency Agility and easy Tuning on site
　

　Output Level control 1dB step
　

　System Redundancy 1+0 and 1+1

　Local LCD control, remote serial control and loop back test

Technical Specification

General:
　　Capacity: 4E1, 8E1,16E1,E3,DS3,ASI,10/100M With maximum bit rate of 32Mb/s
　　Channel Setting: LCD and remote hyper terminal
　　EMC: ITU-R F. 746-3, YD1138-2001
　　Redundancy: 1+0 or 1+1
　　Power Supply: DC：+24/-48V
　　Power Consumption: ＜40W（1+0）
　　　　　　　　＜80W（1+1）
　　Temperature Range: IDU：-10℃～+50℃, ODU：-40 ～ +55°C
　　Relative humidity: IDU：0～90%, non-condensing；ODU： 0～100%,
　　Physical Dimension: IDU：1RU 19 inch standard Rack ODU: 285*285*150mm
　　Weight: IDU：＜3kg ; ODU：＜7 kg

Data Interface
　　Baseband Interface: ITU-T G. 703, HDB3
　　Monitoring Interface: RS-232/ RS-485
　　LAN Interface: 10/100M

Service Channel
　　Telephone service: 1 digital line
　　Data service: 19．2kbit/s，RS-232/R-485

Transmitter:
　　Modulation Type: QPSK
　　Frequency and RF Output Power Level: 7/8GHz: 25dBm
　　7/8GHz: 23dBm
　　13 GHz: 23dBm
　　15 GHz: 19dBm
　　18 GHz: 19dBm
　　23 GHz: 17dBm
　　Frequency Stability: ±10ppm
　　IF Output Frequency: 310 MHz

Receiver
　　Noise Factor: ≤4dB
　　LO Frequency Stability: ±10ppm
　　IF Input Frequency: 70 MHz
　　AGC Range: ≥50 dB
　　Received Threshold BER=1*10-6
　　4E1: ≤-87 dBm
　　8E1: ≤-84 dBm
　　16E1: ≤-82 dBm
　　Residual BER: ≤1*10-13

Monitor and Control System
　　Serial RS-232 command
　　NMS Software based on Windows