Optical Transmitters SMATV -
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Optical Transmitters SMATV

Product Summary

TERRA's series of wideband fibre transmitters are part of the TERRA 400 series headend and fibre equipment range. They are suitable for both Free to air (FTA) and single wire (SMS) pay-tv satellite solutions. Available in both 1310 and 1550nm range with single +6dBm or dual +6dBm fibre outputs.
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Features and Benefits

  • These units offer high power output at +6dBm extending your design reach and using between 1310nm to 1550nm wavelength
  • LAN control offers WEB monitoring and management of the device (selected models)
  • Uses the industry-standard connector SC/APC for optical connection
  • LAN control connector is the RJ45 industry-standard connector
  • Mounts on the TERRA AT series 19" IRU frame
  • Complimenting these units are the fully redundant power supplies 14MM-UP413

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Product Range

Product Code Wavelength Stength Output
20MM-MO418-1555 1555nm 6dBm Single
20MM-MO418L-4D31-1310 1310nm 6dBm Single
20MM-MO418L-4D55-1550 1550nm 6dBm Single
20MM-MO428L-4D31-1310 1310nm 6dBm Twin
20MM-M0428L-4D55-1550 1550nm 6dBm Twin


Product Code 20MM-MO418-1555 20MM-MO418L-4D31-1310 20MM-MO418L-4D55-1550 20MM-MO428L-4D31-1310 20MM-MO428L-4D55-1550
Optical Power 1x6dBm 2x6dBm
Optical Wavelength 1555±3nm 1310±3nm 1550±3nm 1310±3nm 1550±3nm
Laser Type DFB
RF Frequency Range 47-2400MHz
RF Input Level 70-85dBµV
RF Input Impedance 0 - -15dB by 1 dB Step
AGC Range ±5dB
RF Input Loop Through Frequency Range 47-2400MHz
RF Input Loop Through Loss <1dB
RF Input Loop Through Flatness ±1dB
Return Loss ≥18dB at 40MHz -1.5dB/oct (47-950MHz); ≥10dB up to 1750MHz; ≥7dB up to 2400MHz
Relative Intensity Noise < -150dB/Hz
Terr. TV Intermodulation Distortion CSO** >55dB
Terr. TV Intermodulation Distortion CTB** >60dB
Terr. TV Carrier/Noise Ratio C/N** >50dB
SAT IF Intermodulation Distortions*** >35dB
Supply Voltage 12V ± 1V
DC Feeding for External 12V 0.4A
Current Consumption 0.35A Max 0.40A Max
Operating Temperature 0° ÷+50°C
Dimensions/Weight (Packed) 198x107.5x36mm/0.9kg
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