EDGE-QAM & Transmodulators
HDC-7004
SAT & IP to 4× DVB-C QAM transmodulator for head-end distribution
Convert four DVB-S2X satellite transponders plus an IP input into four adjacent DVB-C QAM channels — with multiplexing, scrambling and web-based management in a single 19" unit.

Overview
The VIZOBOX HDC-7004 is a professional transmodulator that converts DVB-S2X satellite input and IP streams into four adjacent DVB-C QAM RF channels for head-end distribution. Four DVB-S2X tuner inputs (L, Ku and C band with DiSEqC) are complemented by a Gigabit Ethernet IP input accepting up to 512 streams. The internal multiplexer provides PID remapping, PCR restamping and automatic PSI/SI table generation including NIT and LCN insertion, while DVB simulcrypt scrambling (ETR289, ETSI 101 197/103 197) supports up to four CA systems. Excellent RF performance with MER ≥ 40 dB, plus 4× MPTS IP output over UDP/RTP and web-based network management.
Highlights
- 4 DVB-S2X transponder inputs (L, Ku, C band) plus 1 Gigabit Ethernet IP input
- 4 adjacent QAM output carriers, compliant with DVB-C (EN 300 429) and ITU-T J.83 A/B/C
- Full multiplexing: PID remapping/pass, PCR adjustment, PSI/SI editing and insertion
- DVB scrambling (ETR289) with simulcrypt per ETSI 101 197 and ETSI 103 197, up to 4 CA systems
- Excellent RF output performance with MER ≥ 40 dB
- Web-based network management, NTP synchronization and USB port for CPU/FPGA upgrades
Technical Specifications
| Input | |
|---|---|
| Satellite Input | 4x DVB-S2X tuner/demodulator, L-Band, DiSEqC 4 SAT positions |
| IP Input | 512 streams from GbE input by 1000Mb/s Ethernet port |
| Transport Protocol | TS over UDP/RTP, unicast and multicast, IGMP V2/V3 |
| Transmission Rate | max 84Mbps for each IPTV input |
| Multiplexing | |
| PID Remapping | Max. 512 PIDs per channel, auto or manual |
| Multiplexer Functions | PCR restamping, PSI/SI table automatic generation, NIT and LCN generation and inserting (auto or manual) |
| Scrambling | |
| CA Standard | ETR289, ETSI 101 197, ETSI 103 197 |
| Max Simulcrypt CA | 4 systems |
| CAS Connection | Local/remote connection to CAS |
| Output | |
| QAM Channels | 4 adjacent carriers |
| Modulation Standard | DVB-C Annex A/C and B, EN 300 429 / ITU-T J.83 A/B |
| Symbol Rate | 5.0...9.0 MSps, 1 kSps steps |
| Constellation | 16, 32, 64, 128, 256QAM depending on Annex A/C or B |
| FEC | RS (204, 188), configurable |
| RF Interface | 1 F-type output port for 4 QAM channels, 75Ω impedance |
| RF Range | 30...1000 MHz, 1 kHz steps |
| RF Output Level | -10 dBm...+0 dBm (87...107 dBµV), 0.1 dB steps |
| MER | ≥ 40 dB |
| ACLR | -60 dBc |
| TS Output | 4 MPTS IP output over UDP/RTP multicast by 1x 100/1000M Gbit-Ethernet port |
| Management | |
| System | Network management software (NMS) support (100BaseT), USB port for upgrades |
| General | |
| Dimensions | 19'' 1U: 430mm × 220mm × 44mm (W×L×H) |
| Weight | 3.5kg |
| Temperature | 0...45°C (operation), -20...80°C (storage) |
| Power Supply | AC 100V ±10%, 50/60Hz or AC 220V ±10%, 50/60Hz |
| Power Consumption | 25.4W |
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