Digital headends distributing satellite channels converted to DVB-T COFDM form have become popular solutions in hotels. The TERRA system has been designed for building TV distribution installations providing signals to standard televisions with built-in DVB-T tuners and allowing reception of terrestrial (DVB-T) and satellite (DVB-S/S2) channels without additional receivers/STBs. The output RF signals in the single DVB-T COFDM standard are distributed to outlets in rooms via typical coaxial cabling.
€543.43
Price | Disc. | Quantity | Validity |
---|---|---|---|
€543.43 | 0 % | from 1 piece |
Available
The tdx420c 2xDVB-S/S2 (8PSK, QPSK) - 2xDVB-T (COFDM) transmodulator with a double CI slot enables the conversion of DVB-S/S2 signals from 2 satellite transponders to 2 DVB-T MUXes.
• Conversion of DVB-S/S2 signals to DVB-T COFDM standard,
• Two satellite transponders to 2 DVB-T MUXes,
• Possibility to create one DVB-T multiplex from two different satellite transponders,
• Channel selection and filtering of unnecessary services in the digital stream,
• Control via RJ-45 port, for a much simpler installation procedure,
• Two CI ports (multi-channel descrambling),
• Web-based management,
• Reading history of events (logs) from the panel,
• AGC function (automatic control of signal gain).
• Two satellite transponders to 2 DVB-T MUXes,
• Possibility to create one DVB-T multiplex from two different satellite transponders,
• Channel selection and filtering of unnecessary services in the digital stream,
• Control via RJ-45 port, for a much simpler installation procedure,
• Two CI ports (multi-channel descrambling),
• Web-based management,
• Reading history of events (logs) from the panel,
• AGC function (automatic control of signal gain).
Details
Terra TDX-420C R81619 DVB-S/S2 to DVB-T transmodulator is used for reception of DVB-S/S2 (8PSK/QPSK) signals, selection of desired channels and retransmission of them in COFDM format in chosen RF channels in VHF/UHF frequency range. The device allows the user to receive and manage a range of free to air and encrypted satellite channels (CI/CAM compatibility). One TDX-420C R81619 panel can receive channels from two satellite transponders and convert them into two neighboring DVB-T multiplexes with maximum throughput of 31.66 Mbps. In practice, each multiplex can carry 6 SD channels or 2-3 HD channels. The administrator of the system selects the required channels from the satellite streams and forms two DVB-T multiplexes. Alternatively, one DVB-T multiplex can be programmed from channels coming from two different satellite transponders. In each case, it is neceeesary to remember about 10% safety margin when determining the maximum bit rate for the whole multiplex (typically the ultimate bit rate of a multiplex should not exceed 29 Mbps). When a higher throughput is required, the system should be equipped with additional TDX-420C R81619 unit(s). The output DVB-T COFDM multiplexes are usually distributed to users by a passive network composed of RF splitters/taps. Such a solution is especially convenient in modern hotel TV systems distributing a variety of satellite channels, including HD broadcasts.
Thanks to RJ-45 Ethernet port, the programming of the TDX-420C R81619 panel is performed via a web browser.
The TDX-420C R81619 panel has two CI slots that in the case of receiving encrypted programs must be equipped with suitable conditional access modules (CAM) with dedicated smart cards.
A great advantage of the Terra device is easy integration with other components:
- dSCR/Unicable multiswitches, allowing for independent distribution of DVB-S/S2 channels via one coaxial cable,
- IPTV streamers for management and distribution of satellite, terrestrial and cable DVB channels within Ethernet (LAN) networks based on twisted-pair cabling,
- optical transmitters for transmission TV programming via optical links,
- other receiving and signal processing devices (broadband and channel amplifiers, analog and digital modulators).
DIPOL offers the following transmodulators of DVB-S/S2 (8PSK, QPSK) signals:
TDX-410C | TDX-420 | TDX-420C | TDQ-420 | TDQ-420C | |
Code | R81617 | R81618 | R81619 | R81638 | R81639 |
Input signals | DVB-S/S2 (8PSK, QPSK) | DVB-S/S2 (8PSK, QPSK) | DVB-S/S2 (8PSK, QPSK) | DVB-S/S2 (8PSK, QPSK) | DVB-S/S2 (8PSK, QPSK) |
Number of transponders | 1 | 2 | 2 | 2 | 2 |
Output signals | DVB-T COFDM | DVB-T COFDM | DVB-T COFDM | DVB-C QAM | DVB-C QAM |
Number of MUXes | 1 | 2 | 2 | 2 | 2 |
Max. bitrate [Mb/s] | 31.66 | 2x31.66 | 2x31.66 | 2x53 | 2x53 |
CI slot(s) | 1x | no | 2x | no | 2x |
Key features
- conversion of DVB-S/S2 signals to DVB-T COFDM standard,
- conversion of multiple channels from two satellite transponders to 2 neighboring DVB-T multiplexes,
- possibility to create one DVB-T multiplex from two different satellite transponders,
- selectable channels and services,
- easy control via RJ-45 port,
- two CI ports (multi-channel descrambling of pay-TV)
- management via the Internet,
- access to event history (logs),
- automatic gain control (AGC).
View of the information window of TDX-420C R81619 module
(among others DVB-S2 input RF levels, SNR, VBER parameters)
The use of the output bitrates
Notice: The transmodulator is compatible only with CI CAM modules (no support for CI+).
Specifications
Product type | Transmodulator | ||
Name | tdx420c | ||
Brand | TERRA | ||
Conversion | DVB-S/S2--->DVB-T | ||
RF input | Number of supported transponders | 2 | |
Number of F-connectors | 1 | ||
Channels | FTA (uncoded) | Yes | |
Coded (CI slot) | TAK (2 × ) | ||
Specyfikacja techniczna | |||
RF input | Frequency range | MHz | 950...2150 |
Power supply/control | 0/13/18 V & 22 kHz, max. 1 A,DiSEqC 1.0, EN50607, EN50494 | ||
standard | DVB-S2 | ||
Modulation | QPSK, 8PSK, APSK 8/16/32 | ||
FEC | 8PSK: 3/5, 2/3, 3/4, 5/6, 8/9, 9/10, QPSK: 1/2, 3/5, 2/3, 3/4, 5/6, 8/9, 9/10 | ||
standard | DVB-S | ||
Modulation | QPSK | ||
FEC | 1/2, 2/3, 3/4, 5/6, 7/8 | ||
Symbol rate | Ms/s | 2...45 | |
Signal strength | dBµV | 45...85 | |
Impedance | Ohm | 75 | |
RF throughput - gain | dB | -1 ± 1 | |
RF output | standard | DVB-T/ISDB-T | |
Number of DVB-T MUXes | 2 (nearby) | ||
Modulation | DVB-T: QPSK, QAM16, QAM64, ISDB-T: QPSK, DQPSK, QAM16, QAM64 | ||
Frequency range | MHz | 100...858, step 100 kHz | |
Signal strength | dBµV | 90 | |
Signal pos. adjustment | dB | 0...15 with step 1 dB | |
Impedance | Ohm | 75 | |
MER | dB | ≥38 (100...780 MHz), ≥35 (780...860 MHz) | |
Channel bands | MHz | 7.8 | |
Security interval | 1/4, 1/8, 1/16, 1/32 | ||
FEC | 1/2, 2/3, 3/4, 5/6, 7/8 | ||
FFT mode | 2K | ||
Bandwidth | Mbps | 2 × 31,67 | |
RF combiner | Frequency range | MHz | 47...862 |
Connector | F | ||
Loss | dB | 2.5 | |
General | |||
Configuration | Port | RJ-45 (web browser) | |
IP address | 192.168.1.10 | ||
Remote | Yes | ||
Current drawn | V/A | DC 12/0.55 | |
Operating temperature | °C | 0...+50 | |
Weight | kg | 0.9 | |
Dimensions | mm | 48,5 × 198 × 112 |