Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor
Pluggable Multi-Sourcing Agreement (MSA). The transceiver consists of four sections: the LD driver,
the limiting amplifier, the FP laser and the PIN photo-detector .The module data link up to 10KM 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. Tx Fault is provided 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.