24 Channels CATV System HD&SD MPEG2 DVB-C/T Encoder Modulator
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Input |
8/12/16/20/24 CVBS inputs , RCA interface , 1 DVB-C Tuner for remux, F type interface (only for DVB-C RF out) 128 IP input over UDP and RTP, DATA1 and DATA2,RJ45 |
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Video |
Resolution |
720×480_60i, 544×480_60i, 352×480_60i 352×240_60i,320×240_60i,176×240_60i, 176×120_60i |
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720×576_50i,704×576_50i,640×576_50i, 352×288_50i 320×288_50i, 176×288_50i, 176×144_50i |
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Encoding |
MPEG-2 |
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Bit-rate |
0.5Mbps~8Mbps each channel |
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Rate Control |
CBR, VBR |
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GOP Structure |
GOP_0_B, GOP_1_B, GOP_2_B, GOP_3_B |
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Advanced Pretreatment |
De-interlacing, noise reduction |
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Audio |
Encoding |
MPEG-1 Layer 2, AC3 (2.0) |
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Sampling rate |
48KHz |
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Resolution |
24-bit |
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Bit-rate |
64Kbps,128Kbps,192kbps,256kbps,320kbps,384kbps each channel |
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Multiplexing |
Maximum PID Remapping |
180 input per channel |
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Function |
PID remapping ( automatically or manually) |
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Accurate PCR adjusting |
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Generate PSI/ SI table automatically |
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Scrambling (Only for DVB-C RF out) |
Maximum simulcrypt CA |
4 |
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Standard |
ETR289, ETSI 101 197, ETSI 103 197 |
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Connection |
Local/remote connection |
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Modulation |
DVB-C |
RF out |
4*RF DVB-C out |
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Standard |
EN300 429/ITU-T J.83A/B |
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MER |
≥40db |
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RF frequency |
50~960MHz, 1KHz step |
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RF output level |
-25 ~ -1dbm (82~106 dbµV), 0.1db step |
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Symbol Rate |
5.0Msps~7.0Msps, 1ksps stepping |
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Constellation |
16/32/64/128/256QAM |
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Constellation |
J.83A |
J.83B |
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16/32/64/128/256QAM |
64/256 QAM |
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Bandwidth |
8M |
6M |
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DVB-T |
RF out |
4*RF DVB-T out (4 carriers combined output) |
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Standard |
EN300744 |
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FFT mode |
2K, |
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Bandwidth |
6M, 7M, 8M |
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Constellation |
QPSK, 16QAM, 64QAM |
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Guard Interval |
1/4, 1/8, 1/16, 1/32 |
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FEC |
1/2, 2/3, 3/4, 5/6, 7/8 |
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MER |
≥42 dB |
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RF frequency |
50~960MHz, 1KHz step |
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RF output level |
-28~ -3 dBm (77~97 dbµV), 0.1db step |
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Stream output |
RF output (F type interface) |
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4 IP MPTS output over UDP/RTP, 1*1000M Base-T Ethernet interface |
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System function |
Network management (WEB) |
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English language |
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Ethernet software upgrade |
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Miscellaneous |
Dimension (W×L×H) |
482mm×410mm×44mm |
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Environment |
0~45℃(work);-20~80℃(Storage) |
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Power requirements |
AC 110V± 10%, 50/60Hz, AC 220 ± 10%, 50/60Hz |