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This QuickTreX® QSFP-DD tranceiver is a quad small form-factor pluggable module for serial optical data communications such as IEEE 802.3cd 200GBASE-SR4. The 200G QSFP56 SR4 is a 4x 53.125Gbps multi-mode fiber, hot pluggable optical transceiver It is with the QSFP 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 Management Interface.
Transmitter Section
The transmitter section uses four Vertical Cavity Surface Emitted Lasers (VCSEL).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 GaAs PIN photodiodes integrated with four trans-impedance preamplifiers (TIA) and four limiting post-amplifier ICs
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