Product Description

  FSC-xxxx-1120 1.25Gbps CWDM SFP Optical Transceiver, 120km Reach - - - - Product View | P/N: | FSC-xxxx-1120 | Data Rate: | 1.25Gbps | Distance: | 120km | LD: | CWDM DFB | PD: | APD | TX Power: | 0~5dBm | RX Sens: | -30dBm | Temp: | C | - - - -   Features # Data-rate of 1.25Gbps operation # 8 CWDM DFB wavelengths laser and APD photodetector for 120km transmission # Compliant with SFP MSA and SFF-8472 with duplex LC receptacle # Digital Diagnostic Monitoring: # Internal Calibration or External Calibration # Compatible with SONET OC-24-LR-1 # Compatible with RoHS # +3.3V single power supply # Operating case temperature: Standard :0 to +70°C   Applications # Gigabit Ethernet # Fiber Channel # Switch to Switch interface # Switched backplane applications # Router/Server interface # Other optical transmission systems   Description The SFP transceivers are high performance, cost effective modules supporting data-rate of 1.25Gbps and 120km transmission distance with SMF. The transceiver consists of three sections: an uncooled CWDM DFB laser transmitter, an APD photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements. The transceivers are compatible with SFP Multi-Source Agreement (MSA) and SFF-8472. For further information, please refer to SFP MSA.   Absolute Maximum Ratings Table1- Absolute Maximum Ratings - - - - Parameter | Symbol | Min | Max | Unit | Supply Voltage | Vcc | -0.5 | 4.5 | V | Storage Temperature | Ts | -40 | +85 | °C | Operating Humidity | - | 5 | 85 | % | - - - -   Recommended Operating Conditions Table2- Recommended Operating Conditions - - - - Parameter | Symbol | Min | Typical | Max | Unit | Operating Case Temperature | Standard | Tc | 0 |   | +70 | °C | PowerSupply Voltage | Vcc | 3.13 | 3.3 | 3.47 | V | Power Supply Current | Icc |   |   | 300 | mA | Data Rate |   |   | 1.25 |   | Gbps | - - - -   Opticaland Electrical Characteristics FSC-xxxx-1120: (CWDMandAPD, 120kmReach) Table4-Opticaland Electrical Characteristics - - - - Parameter | Symbol | Min | Typical | Max | Unit | Notes | Transmitter | Centre Wavelength | ?c | ?c-6.5 | ?c | ?c+6.5 | nm |   | Spectral Width(-20dB) | ?? |   |   | 1 | nm |   | Side Mode Suppression Ratio | SMSR | 30 |   |   | dB |   | Average Output Power | Pout | 0 |   | 5 | dBm | 1 | Extinction Ratio | ER | 9 |   |   | dB |   | Optical Rise/Fall Time(20%~80%) | tr/tf |   |   |