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Large availabilityQSFP28 100Gbs LR4 CWDM4 LC DDM SM 2km SINGLE RATE DML+PIN Model: LO-QSP28-LR4-02$135.00 $166.05
To orderQSFP28 100Gbs LR4 1310nm LC DDM SM 10km SINGLE RATE DML+PIN Model: LO-QSP28-LR4-10$260.00 $319.80
Limited availabilityQSFP28 100Gbs ER4 1310nm LC DDM SM 30km SINGLE RATE EML+APD Model: LO-QSP28-ER4-30$950.00 $1,168.50
To orderQSFP28 BiDi TX: 1330nm 10km LC SINGLE RATE 100GbE Single Mode EML+PIN Model: LO-QSP28-3S2-10$600.00 $738.00
To orderQSFP28 BiDi TX: 1270nm 10km LC SINGLE RATE 100GbE Single Mode EML+PIN Model: LO-QSP28-2S3-10$600.00 $738.00
Limited availabilityQSFP28 to QSFP28 Active optical cable 100Gbs 3m Model: LO-QSP28-AOC-003$163.00 $200.49
QSFP28 Transceivers
Quad Small Form-Factor Pluggable 28 Transceivers use 4 transmission channels supporting data rate of 25Gbit/s, which sums up to combined capacity of 100Gbit/s (that is why they are sometimes called [4x25G]).
Connectors
QSFP28 100G on the optical end can be equipped with an LC or MPO connector.
The transceiver equipped with an MPO connector transmits the signal over 8 optical fibers: 4 TX transmissions and 4 RX transmissions on 850nm or 1310nm wavelength.
The transceiver is equipped with an LC connector and transmits the signal over 2 optical fibers on 1295.56nm, 1300.05nm, 1304.58nm, 1309.14nm wavelengths. Such transceivers have an in-built MUX-DEMUX module, which helps limit the number of fibers necessary for signal transmission.