ONU RFoG Mini Node – With Selectable Wavelength for OBI Mitigation
The Maxcom MX700AC-MT series with Selectable wavelength offers enhanced features such OBI mitigation for effectively reducing OBI, AGC (Automatic Gain Control), with high +36 dBmV RF output for MDU applications. Maxcom offers highly reliable RFoG solutions.
- General Details
The Maxcom MX700-3AC-MT OBI series ONU’s are ideal for use in MDU or fiber to the business applications with a +36 dBmV output. A perfect 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 Tunable DFB return transmitter. The Adjustable Laser allows up to 16 ONU’s to share a single receiver while avoiding OBI. Operator uses a push button on the unit to select between 16 different wavelengths. Built with maximum toughness and reliability.
The MX700-3AC-MT series may be ordered with various features and options. Single and Dual fiber models are available, and PON pass through ports are optional. Contact Maxcom to learn about these and other options.
ONU Features
- CATV Bi-directional single fiber port
- Burst mode operation – Tunable DFB Lasers for improved stability to avoid OBI
- Simple – Push button control and LED status indicators allow choice of 16 return frequencies
- Superior proven technologies for both the RF amplification and optical components
- AGC for consistent RF level output 36 dBmV standard
- Automatic Optical Control is designed to reduce return noise effectively.
- 2 GHz Downstream, Return Bandwidth options 5~42, 5~85 and higher
- Follows SCTE 174 standards
- Example Application
- Model Selection
- MX700-3AC-MT – Single Fiber In/Out, burst on the return, AGC on the forward path. With tunable wavelength selection 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.
*36 dBmV Standard Reference Output Level w/AGC when optical input is between -6 and +2 dBm (Note 1) @ 2.7% OMI per Ch.
*35 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 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 *Depending on output power ordered 10 20 30 dBmV Bandwidth 5~42. *Avail 5~85 & Higher 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: 1610nm DWDM，0.25nm Step.. 16 wavelength/frequencies available
Note 3: Burst mode parameter may be adjustable according to model ordered
- Order Inquiry
- Documents
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