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HDO921 is a high performance, linear and directly modulated dual transmitter

for forward path fibre optic links in CATV and FTTx networks. The transmitter has an extended frequency range to fulfil DOCSIS 3.1 requirements. HDO921 is installed into HDX installation frame. The product is available on different optical output power classes to fit various optical link requirements. HDO921 has three equal input sections with level and slope adjustments to support broadcast and narrowcast signal distribution. The RF isolation between the input branches is high minimising the leakage of narrowcast signals into unwanted narrowcast node segments. HDO921 power consumption is low but HDO921 still offers the highest level of performance and the widest variety of features, An integrated WDM filter is available as an option for applications where 1310 nm forward path and CWDM return path is transmitted in one fibre. Different optical output power classes are available from +2 dBm up to +12 dBm.

  • DOCSIS 3.1 compatible
  • Standardised input and test point levels
  • First-class power consumption vs. signal performance rate
  • Three inputs with level adjustments
  • Equaliser in every input
  • 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
  • Fibre connectors can be located at the rear or at the front panel
  • Integrated WDM filter as an option
  • Small form factor family, 2 RU height
  • Local and remote software control of all adjustments
  • Forced cooling through the unit
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