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NDS3404 DVB-S2 Satellite Modem
The Dexin NDS3404 satellite modem is a two-way, high throughput DVB-S2 modem supporting a wide range of IP service. The modem is designed for data applications over satellite in full compliance with DVB-S2 standard, next to the legacy DVB-S standard in order to achieve barrier-breaking efficiency. With superior TCP acceleration, NDS3404 can easily deal with high speed links and heavy traffic requirements.Its ease of installation and high performance modulation techniques enable network operators to offer various bandwidth intensive services in a cost-effective way.
Product Overview
The Dexin NDS3404 satellite modem is a two-way, high throughput DVB-S2 modem supporting a wide range of IP service. The modem is designed for data applications over satellite in full compliance with DVB-S2 standard, next to the legacy DVB-S standard in order to achieve barrier-breaking efficiency. With superior TCP acceleration, NDS3404 can easily deal with high speed links and heavy traffic requirements.
Its ease of installation and high performance modulation techniques enable network operators to offer various bandwidth intensive services in a cost-effective way.
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
Principle Chart
Specifications
Input/Output | IP input/output over IPv4 (TCP/UDP/ICMP…) protocol 1 tuner in and 1 RF out | ||
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 | ||
Roll-off Factor | 0.2, 0.25, 0.35 | ||
Symbol Rate | 0.05~40Msps (32APSK); 0.05~45Msps (QPSK/8PSK/16APSK) | ||
System | LCD/keyboard operating, web-based NMS manage | ||
Language: English/Chinese | |||
Ethernet software & hardware upgrade | |||
Miscellaneous | Dimension | 482mm×328mm×44mm (W× L× H) | |
Temperature | 0~45℃ (work), -20~80℃（Storage） | ||
Power | AC 100V-220V±10%, 50/60Hz | ||