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Twin DVB-S/S2 to DVB-T Transmodulator
14MM-TDX420
Product Summary
The TERRA TDX420 is a DVB-S/S2 to DVB-T transmodulator with powerful processing and management abilities, 2x DVB-S/S2 inputs and 2x DVB-T outputs. The TDX420 has a built-in SNMP and web control for easy management of services and general setup. In addition, the TDX420 can multiplex services from any input to any output for total flexibility.
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Features and Benefits
- Twin DVBS/S2 to Twin DVB-T output
- Service multiplexing - any input to any output
- Simple web control and SNMP monitoring with an onboard email client
- MER ≥ 38 dB (100-780 MHz) ≥ 35 dB (780-860 MHz)
- Bonded channel output
- Full LNB powering control
Specifications
| Number of channels | 2 | |
|---|---|---|
| RF Input | ||
| Frequency Range* | 950-2150 MHz | |
| LNB Powering/Control* | 0/13/18 V & 500 mA max. DiSEqC 1.0, EN50607, EN50494 | |
| Level/Impedance | 45-85 dBµV / 75 Ω | |
| Loop Through Gain | -1 ± 1 dB | |
| Standard* | DVB-S | DVB-S2** |
| Modulation | QPSK | QPSK, 8PSK, APSK 8/16/32 |
| Symbol Rate | 2 ÷ 45Ms/s | 2 ÷ 45Ms/s |
| Code Rate | 1/2, 2/3, 3/4, 5/6, 7/8 | QPSK 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 8PSK 3/5, 2/3, 3/4, 5/6, 8/9, 9/10 |
| Roll Off | 35% | 20%, 25%, 35% |
| RF Output | ||
| Frequency Range* | 100-858 MHz, by step 100 kHz | |
| Channel allocation | Adjacent | |
| Level/Impedance | 90 ± 2 dBµV / 75 Ω | |
| Spurious Level | < -60 dB | |
| MER | ≥38 dB (100-780 MHz); ≥35 dB (780-860 MHz) | |
| Modulation DVB-T* | QPSK, QAM16, QAM64 | |
| Channel Bandwidth* | 7/8 MHz | |
| Guard Interval* | 1/4, 1/8, 1/16, 1/32 | |
| Code Rate* | 1/2, 2/3, 3/4, 5/6, 7/8 | |
| Transmission Mode* | 2K | |
| Output Level Adjustment Range* | 0 ÷ -15.0 dB by 1 dB step | |
| Loop Though Frequency Range/Loss | 47-862 MHz / ≤2.5 dB | |
| Transport Steam Parameters | ||
| Max. Bit Rate | Output 31670 kbps | |
| Max. PID filter count | 255 per transponder | |
| Management Port | Standard IEE802.3 10/100 Base T | |
| Current Consumption*** | 12 V 550 mA | |
| Operating Temperature Range | 0° ÷ +50°C | |
| Dimensions/Weight (packed) | 48.5x198x112 mm/0.9 kg | |
** Supports physical layer framing/signaling (PLS) and multiple input streams (MIS)
*** Without external DC feeding and CAM, with two CAM's ≈0.95 A (for TTX420C), ≈0.85 A (for TDX420C)