FiberHTT HQP100G-SR4 100G QSFP28 SR4 Transceiver are designed for use in 100 Gigabit per second links over multimode fiber.They are compliant with the QSFP28 MSA and IEEE 802.3bm.

The optical receiver portion of the transceiver incorporates a 4-channel PIN photodiode array, a 4-channel TIA array, a 4 channel output buffer, diagnostic monitors, and control and bias blocks. Diagnostic monitors for optical input power are implemented and results are available through the TWS interface.