በትንሽ ፊልም ማጣሪያ, መሠረት Gigalight DWDM (ድግግሞሽ የቮልቴጅ ክፍል ማባዛት) MUX / DEMUX (Multiplexer / Demultiplexer) ለ ITU ቻናል አዘራዘር ትግበራዎች የተቀየሰ ባለ ብዙ ሰርጥ DWDM መሳሪያ ነው.
Iyadoo lagu saleynayo filinka filinka khafiifka ah, Gigalight DWDM (Qaybta Iskeelka Qiyaasaha Wavelength Division Multiplexing) MUX / DEMUX (Multiplexer / Demultiplexer) waa qalab badan oo DWDM ah oo loogu talagalay codsiyada dhexdhexaadinta ITU channel.