Docsis3.0 Head-End Products: Cmts (cable modem termination system)
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Fiber Optic Node CATV
Summary
SR1004 outdoor an optical node is two-way optical joint equipment that is based on several years research experience of CATV HFC fiber transmitting equipment, specifically developed for the HFC structure two-way metropolitan area broadband network. This Fiber Optic Node CATV is a great choice to construct the high-quality bidirectional HFC metropolitan area broadband network.
Characteristics
1.Full CPU control the machine work, LCD displays the parameters, such as the input/output level. Variable control operation is convenient and intuitive, and performance is stable. Reduced a large number of optional accessories.
2.This Fiber Optic Node CATV SR1004 adopts advanced optical AGC technology, optical AGC control range: +2dBm ～ -9/-8/-7dBm adjustable.
3.Two-channel optical signal receiver backup each other, can set automatic switching condition arbitrarily, also can be set to manual switching.
4.Optimizing circuit design, SMT production process, optimizing the whole signal path, made the photoelectronic signal transmit more stable, RF linear index higher.
5.Professional RF electrical adjustable attenuation chip, RF electrical adjustable equilibrium circuit, good linearity, high precision.
6.GaAs amplifier device, power doubler output, high gain and low distortion.
7.The return path adopts professional RF electrical adjustable attenuation chip instead of the three-state switch.
Technical Parameters
Item | Unit | Fiber Optic Node CATV SR1004 | |
Forward Path Optical Receive Part | |||
Optical Parameters | |||
Receive Optical Power | dBm | -9 ~ +2 | |
AGC Optical Power Range | dBm | (-9dBm/-8dBm/-7dBm)—(+2dBm) adjustable | |
Optical Return Loss | dB | > 45 | |
Optical Receive Wavelength | nm | 1100 ~ 1600 | |
Optical Connector Type | FC/APC, SC/APC (or specified by the user) | ||
Optical Fiber Type | Single Mode | ||
Link Performanc | |||
C/N | dB | ≥ 51 | |
C/CTB | dB | ≥ 65 | |
C/CSO | dB | ≥ 60 | |
RF Parameter | |||
Frequency Range | MHz | 47/85～862/1003 | |
Flatness in Band | dB | ±0.75 | |
Rated Output Level | dBμV | ≥ 108 | |
Max Output Level | dBμV | ≥ 112 | |
Output Return Loss | dB | ≥16 | |
Output Impedance | Ω | 75 | |
Return Path Optical Transmit Par | |||
Optical Parameter | |||
Optical Transmit Wavelength | nm | 1310±10, 1550±10 or specified by the user | |
Laser Type | DFB or FP laser | ||
Output Optical Power | mW | 0.5, 1, 2, 3, 4 | |
Optical Connector Type | SC/APC, FC/APC | ||
RF Parameter | |||
Frequency Range | MHz | 5 ~ 65 | |
Flatness in Band | dB | ±0.75 | |
Input Level | dBμV | 75～85 | |
Input Return Loss | dB | ≥ 16 | |
Output Impedance | Ω | 75 | |
NPR dynamic range | dB | ≥15（NPR≥30 dB） Use DFB laser | ≥10（NPR≥30 dB） Use FP laser |
General Performanc | |||
Power Voltage | V | A:AC 135~250 V/50Hz; B:AC(DC)35～90V/50Hz | |
Operation Temperature | ℃ | －30～＋70 | |
Storage Temperature | ℃ | －30～＋70 | |
Relative Humidity | ％ | Max 95% non-condensing | |
Consumption | W | ≤70 | |
Dimension | mm | 430（L）╳ 250（W）╳ 170（H） | |
In addition to improving the quality of our Docsis3.0 Head-End Products: Cmts (cable modem termination system), we also need to develop more sales markets. Good quality To start with, and Purchaser Supreme is our guideline to offer the top service to our customers. The main factor of our company's development over the years is that we have always successfully maintained the technical advantages in product design and manufacturing process.
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