Televes Overlight CWDM Optical Transmitter
Outdoor Use, DAB/UHF/SAT, 1550nm, +9dBm
Product Description
The Overlight CWDM optical transmitter is specifically designed for outdoor installations, positioned near the LNB. It receives satellite signals from a WideBand RF LNB and terrestrial band signals, distributing them to a maximum of 64 users via a single fiber output at the 1550nm window with +9dBm optical power.
Featuring enhanced electronics and optical design, this device optimizes performance for a superior TV experience. Its optimized electronic behavior and low losses allow for a reduction in the number of necessary amplification devices and simplify deployment in collective installations, maintaining signal quality throughout. It is also fully compatible with GPON installations.
This device is part of the Overlight system, which distributes satellite and TNT signals to multiple users through a single optical fiber. It facilitates amplification.
Technical Specifications
Reference: 237514
Logical Reference: OLT1550KA
EAN13: 8424450271889
Physical Data
- Net Weight: 400.00 g
- Gross Weight: 710.00 g
- Width: 136.00 mm
- Height: 127.00 mm
- Depth: 46.00 mm
- Main Product Weight: 400.00 g
Key Features
- High output level, ideal for collective installations up to 64 users.
- Compatible with GPON deployments.
- Low losses.
- Optimized electronic performance.
- Compact and lightweight (137x126x45mm).
- Powered via an external power supply with F-type connector input.
- 100% European design, quality, and manufacturing.
- FC/APC optical connector.
- "F" type RF connectors.
- Highly shielded Zamak chassis.
- Wall or mast mounting options.
- Power supply and adapter cable included.
- Signal status LED indicator.
Detailed Technical Characteristics (Ref. 237514)
| Inputs/Bands | TERR | V | H |
|---|---|---|---|
| Bandwidth (MHz) | 47 - 694 | 290 - 2340 | 290 - 2340 |
| Input Level (dBμV) | 83 - 95 | 70 - 85 | 70 - 85 |
| Number of MUX for Input Level | 24 | 52 | 52 |
| MUX Bandwidth for Input Level (MHz) | 8 | 40 | 40 |
| Input Power (Vdc) | 11.7 - 17.7 | 11.7 - 17.7 | 11.7 - 17.7 |
| Max. Current Passage (mA) | 500 | 500 | 500 |
| Max. Current Passage Total Inputs (mA) | 720 | 1650 | 1650 |
| Wavelength (nm) | 1550 | 1550 | 1550 |
| Output Optical Power (dBm) | 9 | 9 | 9 |
| Transmitter Type | MQW-DFB | MQW-DFB | MQW-DFB |
| Optical Connectors | FC/APC | ||
| RF Connector | "F" female | ||
| Impedance (Ω) | 75 | ||
| Power Supply Voltage (Vdc) | 12 - 18 | ||
| Current Consumption (mA) | < 430 | ||
| Max. Power Consumption (W) | 5.6 | ||
| Power Supply Input Voltage (Vac) | 100 - 240 | ||
| Max. Power Supply Input Current (mA) | 600 | ||
| Power Supply Output Voltage (Vdc) | 12 | ||
| Max. Power Supply Output Current (A) | 1.5 | ||
| Operating Temperature (°C) | -20 to 45 | ||
WideBand Technology
WideBand technology, also known as full-band, refers to a broadband transmission technology that utilizes a very wide frequency range. In broadband television systems, a substantial portion or the entire frequency spectrum is made available to users. This technology can be employed in fiber optic deployments requiring long cable runs or in coaxial scenarios combined with multiswitches adapted for this technology.
In WideBand technology, an LNB captures a complete satellite signal and distributes it through two universal outputs (vertical -V- and horizontal -H-), each carrying a combination of high (H) and low (L) frequency bands, within a frequency range of 290 to 2340 MHz.
While Quattro technology is most commonly used in television systems today, WideBand technology offers significant advantages for installations:
- Simpler, Faster, and Cleaner Installation: With WideBand technology, the number of coaxial cables connecting the LNB to the multiswitches is halved compared to traditional Quattro deployments, resulting in a quicker and easier installation. The installation will also be more organized with fewer cables.
- Wider Bandwidth than Other Technologies: WideBand channels can carry more information due to their broad bandwidth (290-2340 MHz). This remarkable feature allows for the provision of more services to end-users in the installation.
- Reusable Deployment: WideBand technology enables signal distribution by reusing a Quattro installation. It can be distributed through the four existing down-cables from the roof to capture signals from a maximum of two satellites, requiring only changes to the LNBs and MSWs to be WideBand compatible.
Application Example:
The diagram illustrates an outdoor installation where the Televes Overlight CWDM transmitter receives signals from a satellite dish and terrestrial antenna. These signals are then processed and distributed via fiber optic cable to multiple indoor units (Overlight CWDM receivers), supporting up to 64 users in a GPON network.
