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LTF7221 SFP+ XGPON ONU Transceiver

The LTF7221 is a XGPON ONU duplex optical transceiver designed for low cost point-to-multipoint (P2MP) Fiber to the Home (FTTH), Business or Curb (FTTx) applications.

 It employs a 1577nm CW mode downlink ADP/TIA receiver operating at 9.95328Gb/s and a 1270nm DFB burst mode uplink transmit-ter operating at 2.48832Gb/s.  

The LTF7221 is designed to be backward compatible with legacy G PON systems.

 It is housed in a rugged die cast SFP+ package with a SC optical receptacle and is designed to operate over the commercial and industrial temperature ranges.

The transceiver requires a single 3.3V power supply.  

It is FDA 21CFR1040.10 and IEC 60825-2.Class I laser safety compliant and meets the EEC Direc-tive 2002/95/EC for RoHS compliance. 

Product Name Part Number Package Interface Reach Temp Tx Output Tx Rate Tx Wavelength Rx Input Rx Rate Rx Wavelength
SFP+ SC 20km C, H 2~7dBm 2.488Gb/s 1270nm -28dBm 9.953Gb/s 1577nm

•  10G Gigabit Passive Opitacal Access Network 

•  Fiber to the Home

•  Fiber to the Building

•  Fiber to the Curb

•  Dual Wavelength Single Fiber 

•   Internal WDM Filter 

•  Bidirectional Transceiver 

•  2x10 SFP+ Die Cast Housing 

•  SC Optical Receptacle 

•  Single 3.3V DC Input Voltage 

•  Downlink CW Mode Receiver 

  9.95328Gb/s Data Rate 

  1577nm APD/TIA 

  LVCML AC Coupled Signal Output 


•  Uplink Burst Mode Transmitter 

  2.48832Gb/s Data Rate 

  1270nm DFB Laser 

  LVPECL AC Coupled Signal Input 

  LVTTL BEN_Enable