Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA), The SFP transceiver consists of five sections: the LD driver, the limiting amplifier, the digital diagnostic monitor, the FP laser and the PIN photo-detector .These SFP module data link up to 20km in 9/125um single mode fiber. The optical output can be disabled by a TTL logic high-level input of Tx Disable, and the system also can disable the module via I2C. An SFP provide tx fault to indicate that degradation of the laser. Loss of signal (LOS) output is provided to indicate the loss of an input optical signal of receiver or the link status with partner. The system can also get the LOS (or Link)/Disable/Fault information via I2C register access
Absolute Maximum Ratings for SFP:
It has to be noted that the operation in excess of any individual absolute maximum ratings might cause permanent damage to this module.
Parameter | Symbol | Min | Max | Unit | Notes |
---|---|---|---|---|---|
Storage Temperature | TS | -40 | 85 | °C | |
Power Supply Voltage | VCC | -0.3 | 3.6 | V | |
Relative Humidity (non-condensation) | RH | 5 | 95 | % | |
Damage Threshold | THd | 5 | dBm |
Recommended Operating Conditions and Power Supply Requirements for SFP:
Parameter | Symbol | Min | Typical | Max | Unit | Notes |
---|---|---|---|---|---|---|
Operating Case Temperature | TOP | 0 | 70 | oC | Commercial: -10 to 80, Extended: -40 to 85, Industrial | |
Power Supply Voltage | VCC | 3.135 | 3.3 | 3.465 | V | |
Data Rate | 155 | Mb/s | ||||
Control Input Voltage High | 2 | Vcc | V | |||
Control Input Voltage Low | 0 | 0.8 | V | |||
Link Distance (SMF) | D | 20 | km | 9/125um |
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