ONU RFoG Mini Node – With Automated OBI Mitigation
The Maxcom MX700AC-AT series with Continuum Wave Shifting Technology. ONU mini nodes offer enhanced features such OBI mitigation for effectively reducing the likelihood of OBI, AGC (Automatic Gain Control), with optional PON ports to support GPON, EPON, xPON services. Maxcom offers highly reliable RFoG solutions.
- General Details
The Maxcom MX700-3AC-AT series ONU’s provide excellent Automated OBI Mitigation incorporating Continuum Wave Shifting Technology. The Maxcom MX700-3 OBI series ONU’s are ideal for use in Residential or MDU or fiber to the business applications. An excellent platform for delivering upstream and downstream DOCSIS, voice, video, and high-speed data service over FTTX applications. They are designed compliant to industry standards to terminate an RF over Glass (RFoG) communications network. The standard model uses a single fiber and receives downstream signals at 1550nm and uses a 1610nm range Continuum Wave Shifting DFB return transmitter. Maxcom Continuum Wave Shifting Technology automatically and continually adjust the agile DFB Laser allowing multiple RFOG ONU’s to share a single receiver, a tested and simple solution in OBI mitigation. OBI occurs when two or more customers are transmitting on the same wavelength at the same time. By deploying the Maxcom Continuum Wave Shifting Technology, OBI is mitigated automatically without the need to place additional equipment in the field or headend. Works with all existing RFoG deployments regardless of brand. Built with maximum toughness and the best warranty in its class.
ONU Features
- Continuum Wave Shifting Technology to avoid OBI
- CATV Bi-directional single fiber port
- Simple – Plug and Play with LED status indicators
- Superior proven technologies for both the RF amplification and optical components
- AGC for consistent RF level output 20 dBmV standard Residential, or 36 dBmV MDU
- Automatic Optical Control is designed to reduce return noise effectively.
- Low power consumption, compact in size, built tough, with Max reliability
- Follows SCTE 174 standards
*Maxcom products may be customized for customer requests.
- Example Application
- Model Selection
- MX700-3AC-AT – Single Fiber In/Out, burst on the return, AGC on the forward path. With automated wavelength shifting to avoid the occurrence of OBI in an RFoG network
- Specifications
Specifications
PARAMETER CONDITIONS MIN TYP MAX UNIT Forward Receiver Optical Wavelength *Extended/custom wavelength options avail. (Example 1525~1565nm) 1540 1550 1565 nm Monitor Voltage λ=1550 1 V/mW Optical Input Power Optical AGC / Continuous -6 -1 +2 dBm Bandwidth Optional Return Diplex Avail 54 1218 MHz Flatness of Frequency Response f=54 to 1200 MHz ±0.75 ±1 dB Output Return Loss 14 16 dB Standard Reference Output Level w/AGC when optical input is between -6 and +2 dBm (Note 1) @ 3.5% OMI per Ch.
*20 +36 on MDU Model dBmV Standard Reference Output Level w/AGC when optical input is between -6 and +2 dBm (Note 1) @ 2.7% OMI per Ch.
*20 +35 on MDU Model dBmV Slope Typical 6 dB Optical Input Return Losses 45 dB C/N (-1dBm optical input, 3.5% OMI/ch, 79ch NTSC,
Digital ch above 550MHz
at -6dB offset)
50 dB CTB -65 dB CSO -60 dB Equivalent Noise Input f=110MHz 7 pA/Hz Return Transmitter Optical Wavelength *Note 2 1600 1610 1620 nm △λ Wavelength Shift 16 to 24 wavelength settings by 0.25nm steps .25 .25 nm Optical Output Power w/ 2mW Isolated DFB laser 2 3 4 dBm Dynamic Input Range NPR ≥38 20 RF Input Level (Standard Residential Version) *Depending on output power ordered 20 30 40 dBmV RF Input Level (MDU Version) *Depending on output power ordered 10 20 30 dBmV Bandwidth Expanded options available 5 42 MHz Flatness of Frequency Response f=5 to 42MHz ±0.75 ±1 dB Input Return Loss f=5 to 42MHz 14 16 dB Optical Output Return Loss 45 dB Optical Laser turn ON Level Follows SCTE 174 (Note 3) 13 15 dBmV Optical Laser turn OFF Follows SCTE 174 (Note 3) -5 dBmV Laser Rise Time to 90％ optical ON 1.3 ms Laser Fall Time for optical to 10％ 1.6 ms General Parameters Total Current Consumption (DC) W/12VDC Power Adapter 10 W Temperature Range in Fahrenheit degrees -40 +131 0F Dimensions (includes connectors) Width x Height x Depth 7.45” 5.25” 1.65” Inch Note 1: Power output is measured at 1200MHz.
Note 2: DWDM range，0.25nm Step with Continuum Wave Shifting Technology
Note 3: Burst mode parameter may be adjustable according to model ordered
- Order Inquiry
- Documents
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