Hfc Fiber Optical Receiver FTTH Mini Node (SR802)
5-862MHz
Single Mode
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HFC Optical Node
SR814/SR814R is a high-grade four-way outdoor HFC Optical Node. It is the main equipment to build the CATV network.
Performance Characteristics
High response PIN photoelectric conversion tube.
Optimized circuit design, SMT process production, optimized signal path, make the
photoelectric signal transmission more smooth.
Specialized RF attenuation chip, with good RF attenuation and equilibrium linear, high accuracy.
GaAs amplifier device, power doubly output, with high gain and low distortion.
Single Chip Microcomputer (SCM) control equipment working, LCD display the parameters,
convenience and intuitive operation, and stable performance.
Excellent AGC performance, when the input optical power range is －9～＋2dBm, the output
level keep unchanged, CTB and CSO basically unchanged.
Reserved data communication interface, can connect with class Ⅱ network management
responder, access to network management system.
Return path can select burst mode to sharply decrease the noise convergence and greatly
increase thequality and reliability of network operation.
Parameter
| Item | Unit | HFC Optical Node(SR814/SR814R) |
| Forward optical receiving part | ||
| Optical Parameters | ||
| Receive Optical Power | dBm | -9 ~ +2 |
| Propose Use Range | dBm | -3 ~ +1 |
| Return Loss | dB | >45 |
| Optical Wavelength | nm | 1100 ~ 1600 |
| Connector Type | FC/APC, SC/APC, or OEM | |
| Fiber Type | Single Mode | |
| Link Performance | ||
| C/N | dB | ≥ 51 （-2dBm input） |
| C/CTB | dB | ≥ 69 |
| C/CSO | dB | ≥ 60 |
| RF Performance | ||
| Frequency Range | MHz | 45/87 ~ 750/862 |
| Flatness in Band | dB | ±0.75 |
| Rated Output Level | dBμV | ≥ 108 |
| Max Output Level | dBμV | ≥ 112 |
| Output Return Loss | dB | ≥16(45-550MHz)/ ≥14(550-862MHz) |
| Output Impedance | Ω | 75 |
| Electronic Control EQ Range | dB | 0～10 |
| Electronic Control ATT Range | dBμV | 0～20 |
| Return Transmit Performance Parameter | ||
| Optical Parameter | ||
| Optical Transmit Wavelength | nm | 1310±10 |
| Laser Type | FP or DFB Laser | |
| Output Optical Power | dBm | 1 ~ 3 |
| Connector Type | FC/APC SC/APC | |
| RF Parameter | ||
| Frequency Range | MHz | 5 ~ 30/65 |
| Flatness in Band | dB | ±1 |
| Input Level | dBμV | 90 ~ 98 |
| Output Impedance | Ω | 75 |
| NPR | dB | ≥10(NPR≥30 dB) |
| General Parameter | ||
| Supply Voltage | V | A:AC 135~250;B:AC 35~90 (50Hz) |
| Operating Temperature | -40~60 | |
| Storage Temperature | -50 ~ +70 | |
| Relative Humidity | % | Max 95% No Condensation |
| Consumption | VA | ≤ 40 |
| Dimension | mm | 340(L)×220(W)×140(H) |
As a newly emerging manufacturer of high-end Hfc Fiber Optical Receiver FTTH Mini Node (SR802), we stick to the core values of forge ahead, mutual benefit, efficient collaboration, and craftsmanship as our guide. All our employees are willing to work with all customers to create a sincere, friendly, integrated and cooperative business space, and hope to receive the support and love of our customers, promoting our mutual development and progress. We know that the best way for our employees to make greater achievements is to praise them when they make achievements.
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