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This transceiver from QuickTreX® is quad small form-factor pluggable module for serial optical data communications such as IEEE 802.3cu 400GBASE-FR4. It is with the QSFP-DD 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 QSFP-DD Management Interface.
Transmitter Section
The transmitter consists of directly modulated uncooled CWDM 4 wavelength 1271, 1291, 1311, and 1331 nm EML lasers and 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 InGaAs PIN photodiodes integrated with trans-impedance preamplifiers (TIA) and limiting post-amplifier ICs.
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