DS-H888X QAM ( DVB-C ) Modulator

QAM (DVB-C) Modulator combines with max.4 demodulators, 8 MPEG-2 encoders, 4 multiplexers, 4scramblers,4 modulators

DS-H888X Serial Multi-Function QAM (DVBC) Modulator is a professional DTV headend equipment .

 It combines with max.4 demodulators/max. 8 MPEG-2 encoders, 4 multiplexers, 4scramblers, 4 modulators. Supports max.8 tuners/max. 8 AV inputs, 5 TS-inputs simultaneously, and then Re-Multiplex and scramble and modulate the input signal to max. adjacent4 channels spectrum QAM (DVB-C) signal. Strong internal core,supports 4 independent multiplex and scrambling processing,each output could be independently operated. 

Features :   Max. 4 tuner inputs, supports DVB-C, DVB-T, DVB-S, DVB-S2 with 4  CI slots, supports various Conditional Access systems    Max. 8 AV inputs for 8 MPEG-2 encoders    5 TS-inputs and 1 TS-outputs    QUAD QAM output, adjacent 4 channels spectrum, each with different MPTS    4 independent re-multiplexing cores, support PSI/SI processing, PCR correction, PID mapping etc.     4 independent scrambling cores, encrypt media contents by DVB-CSA, support simulcrypt    Support DVB-C ETSI/EN300 429 standard     Network management Support

Specifications: DVB-C QAM Demodulation :Input Symbol Rate:   1 -7MS/s (PAL), 1-6MS/s (NTSC)  Constellation:    16/32/64/128/256QAM  Bandwidth:    6M or 7M or 8M  Input Frequency:    50 - 860MHz  Input Level:    -25- 20dBmV Input Impedance:   75Ω, F Female 

DVB-T COFDM Demodulation: Demodulation Mode:    COFDM  Constellation:    QPSK, 16-QAM, 64-QAM  Bandwidth:   8 MHz  FFT Mode:    2K/8K  Guard Interval:    1/4, 1/8, 1/16, 1/32, off  FEC Code Rate:    1/2, 2/3, 3/4, 5/6, 7/8  Input Frequency:    470 — 862MHz, 174 — 230MHz  Input Level:    -70 — -20dBmV  Input Impedance:   75Ω, F Female

DVB-S QPSK Demodulation: Input Frequency:    950 — 2150MHz  Input Level:    -65dBm — -25dBm  Input Impedance:    75Ω, F Female Symbol Rate:    2 — 45MBauds (SCPC or MCPC)  Rolling off Factor:    0.35  FEC Code Rate:    1/2, 2/3, 3/4, 5/6, 7/8 

DVB-S2 Demodulation (Compatible with DVB-S): Input Frequency :   950 — 2150MHz  Input Level :   -65dBm — -25dBm  Input Impedance:    75Ω, F Female Symbol Rate:    1 — 45MBauds (8PSK) Constellation:    8PSK/QPSK FEC Code Rate:    DVB-S2: 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 DVB-S: 1/2, 2/3, 3/4, 5/6, 7/8

MPEG-2 Encoding :Encoding Format:MPEG-2 MP@ML standard Video Resolution: Max.720X576 Video Standard: PAL / NTSC standard Audio Encoding Format: MPEG-1 Layer I and Layer II standard Sampling Frequency:32, 44.1, 48 KHz sampling Encoding Bit Rate:64k — 384k Variable

Common Interface: Type: PCMCIA

Smartcard Interface: Type :     ISO7816

Multiplexing: Advanced PSI/SI regeneration and editing PCR correction PID mapping Support receiving data from the Ethernet and multiplexing into TS stream ASI input packet length 188/204 bytes Self-adapting, output packet length 188/204 bytes optional

Scrambling: Support scrambling specified programs Encrypt media contents by DVB-CSA Support Simulcrypt Mode and multicrypt CA systems Generation fixed or invariable control words for scrambling

QAM Modulation: Constellation16, 32, 64, 128, 256QAM  Output Symbol Rate:    1 - 7MS/s  I/Q Amplitude Offset   < 0.1%  I/Q Phase PER:    < 0.1°  Phase Jitter    < 0.5°RMS  MER > 35dB (256QAM)  Output Frequency :  (Frequency Agility) 45-860MHz  Output Level:100-110dBμV (Adjustable, Step by 0.5dB)  RF Broadband Noise    > 50dBc  Output Return Loss    ≥ 14dB

Interface AV Input   MINI DIN to 3RCA TS Input/Output   BNC, 75Ω RF Input/Output   F Female, 75Ω NMS InterfaceEthernet interface ( RJ45, 10/100M adaptive )

General Operating Temperature: 5°C to 45°C Storage Temperature:  -25°C to 80°C Humidity: 10% — 75% Power Supply: AC90 — 260V, 50/60Hz Power    43W Dimension: 444 × 400 × 44mm  Weight : 6kg

Rear Panel:

Ordering information  DS-H8881:  1 channel QAM Modulator DS-H8881+2E: 1 channel QAM Modulator with 2 Programs MPEG-2 Encoder DS-H8881+4E: 1 channel QAM Modulator with 4 Programs MPEG-2 Encoder DS-H8881+6E: 1 channel QAM Modulator with 6 Programs MPEG-2 Encoder DS-H8881+8E: 1 channel QAM Modulator with 8 Programs MPEG-2 Encoder DS-H8881+2S2+2E+A: 1 channel QAM Modulator with 2 Programs MPEG-2 Encoder plus 2 DVB-S2 Demodulators plus DS-H8881+4S2+2E+A: 1 channel QAM Modulator with 2 Programs MPEG-2 Encoder plus 4 DVB-S2 Demodulators plus DS-H8881+4S2+4CI+A: 1 channel QAM Modulator with 4 DVB-S2 Demodulators plus 4 CI Slots DS-H8884+4S2+A: 4 channel QAM Modulator with 2 Programs MPEG-2 Encoder plus 4 DVB-S2 Demodulators plus DS-H8884+4S2+4E+A: 4 channel QAM Modulator with 2 Programs MPEG-2 Encoder plus 4 DVB-S2 Demodulators plus DS-H8884+4S2+4CI+A: 4 channel QAM Modulator with 4 DVB-S2 Demodulators plus 4 CI Slots