EDGE-QAM & Transmodulators
HDC-7024A
24 SAT & IP/ASI to 16 DVB-C QAM transmodulator for head-end distribution
Convert up to 24 FTA satellite transponders plus IP and ASI sources into 16 multiplexed DVB-C QAM channels with a single 19" 1U unit — a compact, reliable backbone for professional head-end distribution.
Overview
The VIZOBOX HDC-7024A is a professional transmodulator that receives 24 DVB-S/S2 FTA satellite transponders alongside IP (up to 128 TS over UDP/RTP multicast) and ASI inputs, and multiplexes them into 16 non-adjacent DVB-C QAM carriers compliant with EN 300 429 Annex C and ITU-T J.83 A/B. Comprehensive stream processing includes accurate PCR adjustment, PSI/SI editing and insertion, CA PID filtering and remapping, and simulcrypt scrambling per ETR289, ETSI 101 197 and ETSI 103 197. The 16 multiplexed transport streams are additionally available as IP outputs over UDP or RTP/RTSP, and the unit is managed via an integrated web NMS.
Highlights
- 24 DVB-S2X FTA tuners plus 2 GigE ports and 2 ASI inputs, combined into 1 RF output
- Up to 128 IP channels as TS over UDP/RTP multicast with IGMP v2/v3 on GbE1
- 16 non-adjacent QAM carriers compliant with DVB-C (EN 300 429) Annex C and ITU-T J.83 A/B
- 16 multiplexed and scrambled transport streams over IP (UDP or RTP/RTSP) on GbE2
- Accurate PCR adjustment, PSI/SI editing, CA PID filtering and remapping; simulcrypt CA per ETR289, ETSI 101 197 / 103 197
- Info-channel insertion via USB TS player, web-based network management, optional redundant second PSU
Technical Specifications
| Input | |
|---|---|
| Satellite tuners | 24 DVB-S/S2 FTA tuners |
| IP input | Up to 128 channels TS over UDP/RTP multicast, IGMP v2/v3 (GbE1) |
| ASI input | 2 ASI in, BNC interface |
| Tuner frequency range | 950–2150 MHz |
| Symbol rate | 2–45 MSps (SCPC and MCPC) |
| Signal strength | -65…-25 dBm |
| Demodulation | QPSK, 8PSK |
| LNB control | DiSEqC 1.0, up to 8 satellites |
| Multiplexing | |
| Multiplexers | 16, any combination of input channels |
| PID remapping | Max. 128 per input channel, automatic or manual |
| Stream processing | Accurate PCR adjusting, automatic PSI/SI table generation |
| Scrambling | |
| Scrambling standards | ETR289, ETSI 101 197, ETSI 103 197 |
| Simulcrypt CA | Max. 4 |
| Output | |
| RF output | 16 DVB-C (QAM) channels, EN 300 429 / ITU-T J.83 A/B (opt. DVB-T) |
| RF frequency | 50…960 MHz, 1 kHz step |
| RF output level | 87…107 dBµV, 0.1 dB step |
| Constellation | 16/32/64/128/256QAM |
| IP output | MPTS/SPTS over UDP, 10/100/1000 Base-T Ethernet (UDP unicast/multicast) |
| ASI output | 2x ASI out for monitoring or muxed TS copy of a DVB-C channel |
| Management | |
| Remote management | Web NMS (10M/100M) |
| General | |
| Dimensions / weight | 482 mm × 300 mm × 44.5 mm, 19" 1U, 3.7 kg |
| Power supply | AC 110 V ±10% or AC 220 V ±10%, 50/60 Hz, 25 W; dual PSU optional |
| Temperature | 0…45 °C (operation), -20…80 °C (storage) |
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