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This QSFP28 transceiver form QuickTreX® is quad small form-factor pluggable module for serial optical data communications such as IEEE 802.3ba 100GBASE-LR4. It is with the QSFP28 38-pin connector to allow hot plug capability. The internally ac coupled high speed serial I/O simplifies interfacing to external circuitry. A serial EEPROM in the transceiver allows the user to access transceiver digital diagnostic monitoring and configuration data via the 2-wire QSFP28 Management Interface.
Transmitter Section
The transmitter consists of four directly modulated uncooled LWDM 4 wavelength 1295.5, 1300, 1304.5, and 1309 nm DFB lasers and four drivers. In addition, this component is also class 1 laser that compliant with International Safety Standard IEC-60825-1:2014. It complies with EN60825-1:2014/A11:2021 and FDA 21 CFR 1040.10 and 1040.11
Receiver Section
The receiver incorporates four InGaAs PIN photodiodes integrated with four trans-impedance preamplifiers (TIA) and four limiting post-amplifier ICs.
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