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The LMQ1117 is a low power consumption QSFP28 PAM4 transceiver with high performance up to 50G high speed telecom and data communications over single mode fiber. It operates from a 3.3V DC power supply and is offered in the commercial temperature range. The module has an aggregate link bandwidth up to 53.125Gb/s by using 2 electrical lanes , each capable of transmitting 26.5625Gb/s NRZ data, 1 optical lane, capable of 53.125Gb/s PAM4 data over 40km single mode fiber. It is fabricated with a rugged metal housing. The device is Class I laser safety compliant and meets the EU Directive 2002/95/EC for RoHS compliance.

Product Name Part Number Package Interface Reach Temp Tx Output Tx Rate Tx Wavelength Rx Input Rx Rate Rx Wavelength
50G PAM4 LMQ1117-PC+ QSFP28 LC 40km C 1.5~8dBm 53.125Gb/s 1309nm -13.5dBm 53.125Gb/s 1295nm


QSFP28 Pin assignment compliant

? Hot Pluggable QSFP28 form factor

? 40km link on SMF

? Cooled EML transmitter

? Case Operating Temperature:

?  Commercial: 0 to 70?C

? Digital diagnostic capabilities

? +3.3V power supply

? LC Optical Receptacle

? RoHS6