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RON1500B RFoG ONU
ACT 1 GHz RON1500B Series RFoG Node is a cost-effective, high-performance optical network unit designed and optimized for standards-compliant RFoG Fiber-to-the-Home (FTTH) networks. By deploying RFoG ONUs, cable operators can preserve their existing infrastructure investment while continuing to deliver Internet and telephony services via DOCSIS-compliant cable modems, alongside Video-on-Demand systems. The RON1500 optical node forms part of ACT’s comprehensive FTTx solution suite. It supports 1550 nm forward-path RF signals and return-path upstream signals at various CWDM wavelengths in a 1×32 split FTTH topology. The unit integrates a low-noise optical receiver and an isolated DFB optical laser to modulate upstream signals from set-top boxes (STBs) or DOCSIS modems back onto the fiber. An optional PON upgrade port further enhances flexibility by combining upstream and downstream signals across a 1310/1490 nm EPON/GPON network—providing MSOs with a smooth migration path from traditional HFC systems to next-generation PON-based FTTH networks.
· Laser control circuit features a unique, reliable, and stable design
· Excellent AGC ensures consistent output level in range of -7 to +2 dBm
· Optimized circuit design and SMT process enhance signal path stability and improve RF linearity
· Professional RF attenuator circuit offers precise, linear attenuation
· GaAs amplifier provides high reliability, low distortion, and superior performance
· Return path control uses optional burst mode to significantly reduce noise collection
· Aluminum die-cast shell ensures effective cooling and an attractive appearance
Item | Unit | Technical Parameters | ||
Forward Optical Receiver | ||||
Optical Parameters | Receiving Optical Power | dBm | -7 to +2 | |
Optimized Input Range | dBm | -3 to +1 | ||
Optical Return Loss | dB | > 45 | ||
Optical Receiving Wavelength | nm | 1100 to 1600 | ||
Optical Connector Type | FC/APC, SC/APC (or specified by the user) | |||
Optical Fiber Type | Single mode | |||
Link Performance | C/N | dB | ≥ 51 (optical input power -1dBm) | |
C/CTB | dB | ≥ 63 | ||
C/CSO | dB | ≥ 60 | ||
RF Parameters | Frequency Range | MHz | 47/54/70/85 to 862(1003) | |
Flatness in Band | dB | ±0.75 | ||
Rated Output Level | dBμV | ≥ 92 | ||
Max Output Level | dBμV | ≥ 92 | ||
Output Return Loss | dB | ≥16 | ||
Output Impedance | Ω | 75 | ||
Reverse Optical Transmiter | ||||
Optical Parameters | Optical Transmit Wavelength | nm | 1310±10, 1550±10 or specified by the user | |
Laser Type | DFB or FP laser | |||
Optical Output Power | mW | 0.5, 1, 2 | ||
Optical Connector Type | SC/APC (or specified by the user) | |||
RF Parameters | Frequency Range | MHz | 5 to 30/42/55/65, (or specified by the user) | |
Flatness in Band | dB | ±0.75 | ||
Input Level | dBμV | 75 to 85 (Suggested input 80) | ||
Input Return Loss | dB | ≥ 16 | ||
Output Impedance | Ω | 75 | ||
NPR Dynamic Range | dB | ≥15 (NPR≥30 dB) Use DFB laser | ||
General Performance | Power Voltage | V | DC12V | |
Operating Temperature | °C | -30 to +70 | ||
Storage Temperature | °C | -30 to +70 | ||
Relative Humidity | % | Max 95% no condensation | ||
Consumption | W | ≤6 | ||
Dimension | mm | 154(L) x 116(W) x 26(H) | ||
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