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Global Invacom Fibre IRS GTU Quad Gateway Termination Unit
The Invacom Fibre IRS GTU converts optical power to RF power (4 satellite bands and FM,DAB,DTT ). Quad for use directly with a STB/faceplate. All units have built in AGC which allows a wide dynamic range of optical powers without affecting output power and quality. Two LED indicators allow the user to monitor the status of the unit.
The FibreIRS GTU converts optical power to RF power (4 satellite bands and FM,DAB,DTT ). All units have built in AGC which allows a wide dynamic range of optical powers without affecting output power and quality. Two LED indicators allow the user to monitor the status of the unit.
Quad for use directly with a STB/faceplate.
Can be powered via the satellite outputs and used with either the Optical LNB or the ODU32.
Features
- Optical to RF convertor (Satellite and FM,DAB,DTT )
- Quad and Quatro versions available
- Automatic Gain Control (AGC)
- Powered by STB or PSU
- Terrestrial signals overlaid onto each output (Quad only)
- Frequency Morphing Technology (FMT) for Worldwide use
Specifications
Satellite (Electrical) | |||
Parameter | Min | Max | Notes |
RF frequency range (MHz) | 950 | 2150 | |
Output impedance | 75Ω | ||
Return loss | 10dB | ||
Gain variation across band | 5dB | ||
Nominal output level (Quad) | 75dBμV * | For 30 transponders | |
Terrestrial rejection | 35dB | ||
* additional variation can occur due to satellite transmitted signal levels. |
DTT, DAB & FM (Electrical) | |||
Parameter | Min | Max | Notes |
RF frequency range DTT DAB F M |
470-790MHz 174-240MHz 88-108MHz |
||
Nominal impedance | 75Ω | ||
Return loss | 10dB | ||
Nominal DTT output | 71dBμV | For 6 multiplexes | |
Gain variation across band | 5dB | ||
950-2150MHz rejection | 35dB |
FM.DAB,DTT & Satellite (Optical) | |||
Optical wavelength | 1100nm to 1650nm | ||
Optical input power (typical) | #-12dBm | -3dBm | #For systems with 19.2dB optical budget |
Control signals | |||
Vertical select voltage | 10.5V | 14.5V | 13V nominal |
Horizontal select voltage | 15.5V | 19V | 18V nominal |
Low / High band | 0/22KHz tone |
DC specification | ||
Input voltage range | 10.5V to 21V | For both direct or line powering |
Current consumption (Quad) | 235mA max | @10.5V for RX1 and Rx2 only (line powered) |
Current consumption (Quad) | 235mA max | @10.5V for RX3 and Rx4 only (line powered) |
Total Current consumption (Quad) | 470mA max | @ 10.5V (direct power) |
Connectors | |
Quad output | F x 4 |
Quatro output | F x 5 |
Power supply | 2.1mm Jack |
Optical input | FC/PC |
Environmental Specification | |
Operating temperature | -15°C to +50°C |
Storage temperature | -20°C to +70°C |
Optical cabling | |
Fibre type | Single mode |
Standard | GI - approved G657a |
Dimensions | |
Size (W x H x D) | 128.7mm x 116.5mm x 27mm |
Weight | 325g |
Software (GUI) for Frequency Morphing | |
Supported operating systems | WinXP, Win7, Linux, Mac OS |
Interface | UART |
Summary
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