Kanał dosyłowy downstream

Teleste - HDO908 NADAJNIK

HDO908 downstream transmitter supports frequencies up to 1218 MHz and has one 8/10/12 dBm output. HDO908 is a 1310 nm DWDM transmitter for short distances. It supports broadband, narrowcast and broadcast services in a digital format.


  • DOCSIS 3.1 compatible
  • Standardised input and test point levels
  • Electrical dispersion compensator provides a good CSO performance at longer transmission distances
  • First-class power consumption vs. signal performance rate
  • Two inputs with level adjustments
  • Equaliser in both inputs
  • High isolation between inputs
  • Unused input can be switched off for power saving and noise reduction
  • Integrated input amplifiers and laser driver amplifiers
  • Automatic power control providing constant total OMI as standard feature
  • Optional spectrum analyser function
  • Fibre connectors can be located at the rear or at the front panel
  • Optional integrated DWDM 1-ch filter to combine various wavelengths into one fibre i.e. no need for separate DWDM multiplexer module
  • Small form factor family, 2 RU height
  • Local and remote software control of all adjustments
  • Forced cooling through the unit

Management features

  • Monitoring of APC (Automatic Power Control) functionality with user configurable offset
  • Optical output power monitoring
  • Laser bias current monitoring
  • TEC (Thermo-Electric Cooler) current monitoring
  • Laser temperature monitoring
  • Signal level adjustment in both inputs
  • Slope adjustment in both inputs
  • Input 2 switch on/ off
  • Link span setting for optimised CSO
  • Channel level measurement when equipped with spectrum analyser option
  • LED indicators for signal and module statuses
  • Internal temperature measurement and monitoring
  • Intelligent fan speed control with monitoring
  • Non-volatile logging of 32 latest events, including alarms, alarming values, settings changes and application starts.
  • Uptime and total uptime counters
  • All adjustments and alarm limits fully user configurable
  • Local PC connection through backplane HDO bus with HDX021 cable
  • Remote IP connection through HDC100 controller module
  • SNMP monitoring and configuration through HDC100 controller module


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