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Two Way High Throughput DVB – S2/S Satellite Modem for IP Services with TCP Acceleration
Key Features
* Support for DVB-S2 Standard
* 1* 100M Ethernet LAN ports
* Support IPv4 protocol (TCP/UDP/ICMP…)
* Embedded TCP acceleration
* High throughput upstream and downstream capabilities
* Low latency
* High-speed modem: up to 100 Mbps
* LCD / keyboard and web-based NMS operation
* Update device through NMS port
توضیحات
Specifications
| Input/Output | IP input/output over IPv4 (TCP/UDP/ICMP …) protocol 1 tuner in and 1 RF out |
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|
Tuner Section |
DVB-S2 |
Input Frequency | 950-2150MHz |
| Symbol rate | QPSK 1~45Mbauds; 8PSK 2~30Mbauds | ||
| Code rate | 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 | ||
| Constellation | QPSK, 8PSK | ||
|
RF output |
RF Range | 950 ~ 2150 MHz, 10KHz step | |
| Output Level Attenuation | 0 dBm~-31.5 dBm, 0.5dB Step | ||
| MER | ≥40dB | ||
| Connector | N type, impedance 50Ω | ||
|
Modulation |
Standard | DVB-S2 | |
| Outer coding | BCH Coding | ||
| Inner coding | LDPC Coding | ||
| Constellation | QPSK,8PSK, 16APSK,32APSK | ||
|
FEC/ Convolution Rate |
QPSK: 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 8PSK: 3/5, 2/3, 3/4, 5/6, 8/9, 9/10 16APSK: 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 32APSK: 3/4, 4/5, 5/6, 8/9, 9/10 |
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| Roll-offFactor | 0.2, 0.25, 0.35 | ||
| Symbol Rate | 0.05~40Msps (32APSK); 0.05~45Msps (QPSK/8PSK/16APSK) |
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| System | LCD/keyboard operating, web-based NMS manage | ||
| Language: English/Chinese | |||
| Ethernet software & hardware upgrade | |||
| Miscellaneous | Dimension | 482mm×328mm×44mm (W×L×H) | |
| Temperature | 0~45ºC (work), -20~80ºC(Storage) | ||
| Power | AC 100V-220V±10%, 50/60Hz | ||
دیدگاهها
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