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LTY9775M GPON ONU Triplexer

CLASS B+ 1244/2488Mb/s With Digital RSSI Function

The LTY9775M is a 2488Mb/s downstream / 1244Mb/s upstream GPON ONU triplexer transceiver designed to meet the requirements of the ITU-T G.984.5 Class B+ specification for point to multi point service in advanced “triple play” Optical Network Termination (ONT) or Optical Network Unit (ONU) equipment.  

Product Name Part Number Package Interface Reach Temp Tx Output Tx Rate Tx Wavelength Rx Input Rx Rate Rx Wavelength
Triplexer LTY9775 Triplexer SC/APC 20km C,H 0.5~5dBm 1.25Gb/s 1310nm -28dBm 2.5Gb/s 1490nm

•  Passive Opitacal Access Network 

•  Fiber to the Home

•  Fiber to the Building

•  Fiber to the Curb

•  Optical Features 

   Single Fiber Triplexer 

   1244Mb/s 1310nm DFB Upstream Burst Mode Transmitter 

   2488Mb/s 1490nm APD/TIA Downstream 

•  CW Mode Digital Receiver  

   1550nm Downstream Linear CATV Video Receiver 

   SC/APC Fiber Pigtail 

•  Mechanical Features 

   20-Pin SIL 2.00 x 2.00 Inch Package 

•  RF / Electrical Features 

   3.3V Burst Mode Transmitter 

   3.3V Digital Receiver 

   12.0V Video Receiver 

   2.5W Typical Room Power Consumption 

   47MHz  to 870/1002MHz RF BW 

   17dBmV / ch with 4dB positive tilt RF 

•  Output 

   75-Ohm Single-Ended RF Output 

   RF Output Level AGC Adjustment 

   RF Output Squelch 

   Video Supply Shut Down Separately 

•  Settings with no Additional Calibration 

•  IIC Diagnostic and Control Functions 

   Transceiver Temperature 

   Tx and Rx Supply Voltage 

   Burst Mode Tx Power 

   Tx BIAS Current 

   Laser Transmitter Failure 

   Pon Loss of Signal 

   Rx Receiver Power 

   Video Receiver Power 

   Tx  Laser Soft Disable Control 

   Soft switch enable or disable RF output 

•  Applied Standards 

   ITU-T G.984.2 

   ITU-T G.984.5 filter 

   FSAN Class B+ 

   RoHS Compliance