D-Master 9004B is a new compact chassis and cost-effective IPQAM modulator, which is designed by Hangzhou Prevail according to the DVB related standards. This device is integrated up to 4 channel QAM modulating carrier outputs, it is equipped with one GbE RJ45 and SFP port as IP input, the RF output supports 64/128/256QAM modes. The D-Master 9004B has very convenient management interface, with friendly WEB based management system
l 4 adjacent channel QAM carrier
l IP input, TS packet format input automatic detection (188 or 204 bytes)
l RF output power 90~100dBuV (with 0~10dB adjustable attenuation range) and 48~863MHz frequency range
l 64~256QAM modulation modes
l Adjustable Symbol Rate: 5 to 7Mbaud
l PSI/SI tables synchronization update(multiplexing)
l Excellent RF output performance, MER≥40dB
l Memory protection for power-fail
l Control access via Ethernet link
l 1000M IP data port, 100/1000M NMS port
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Parameter |
Description |
Remark |
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Mechanical dimension |
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Height |
48mm |
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Width |
205mm |
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Depth |
220mm |
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IP Input |
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Connector |
RJ45 or SFP |
Support 1000M only |
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Compatible protocol |
IPV4, UDP |
TS over UDP |
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Multiplexing |
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Function |
PID remapping |
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RF Output |
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Impedance |
75W |
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Connector |
F-Type |
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Frequency |
48~863 MHz |
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Output level |
90～100 dBuV |
Adjustable attenuation of 0~10dB |
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Modulation Specification |
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Modulation scheme |
64/128/256QAM |
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Symbol Rate |
5≤SR≤7 Mbaud |
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Bandwidth |
≤8 MHz |
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Modulation Error Rate |
≥40 dB |
After equalizer, 64QAM |
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Bit Error Rate |
≤1x10E-8 |
After FEC, 64QAM |
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Carrier to Noise |
≥45 dB |
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Carrier suppression |
≥58 dB |
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Phase noise |
@10KHz≤-80dBc/Hz，@100KHz≤-100dBc/Hz |
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NMS port |
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Connector |
RJ45 |
100/1000M |