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LMQ3921 QSFP-DD DR4 Optical Transceiver

4x100G 1310nm 500m/2km

The LMQ3921-PC+ is a QSFP-DD Optical transceiver for 4x100Gb/s optical links. It meets the requirements of QSFP-DD MSA, operates from a 3.3V DC power supply and is offered in the commercial temperature range. The module has an aggregate link bandwidth in excess of 4x100Gb/s by multiplexing of 4 optical lanes, each lane capable of transmitting PAM4 53.125GBd over 500m on SMF optical fiber. It is fabricated with a rugged die cast metal housing and cage assembly. The device is Class I laser safety compliant and meets the EU Directive 2002/95/EC for RoHS compliance.

Part Number Package Interface Reach Temp Fiber Type Wavelength Rate Tx Output Rx Input
LMQ3921-PC+ QSFP-DD MPO 500m/2km C Single-mode 1310nm 4x100Gb/s -2.9~4dBm(each lane) -5.9~4dBm (each lane)

• High performance computing interconnect
• Data Centers
• Cloud Networks

• 8 independent electrical input/output channels 
• 4 independent parallel optical channels
• MPO optical connector
• Hot Pluggable
• 500m link on SMF single-mode Fiber
• Silicon photonics Technology
• QSFP-DD MSA Compliance
• Case Operating Temperature:
• Commercial: 0 to 70ºC
• RoHS II Compliance