The L-gear 100G QSFP28 pluggable optical transceiver modules support 100G Ethernet, InfiniBand EDR, 128GFC and OTN OTU4 data rates. This portfolio includes SR4/SWDM4/SR1.2 100m, PSM4/CWDM4/CLR4 2km, PSM4/CWDM4/CLR4/LR4/4WDM-10 10km, LR4 20km, ER4 Lite 30km/40km, ER4 40km, eER4 60km, ZR4 80km, and PSM DWDM2/DWDM4 80km etc.

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Hot-pluggable, full-duplex transceiver module packaged in QSFP28 form factor
4-channel 850nm VSCEL and PIN
Transmission rates of up to 25.78125Gbps or 28.05Gbps per channel
Built-in CDR circuitry for receive and transmit channels, supporting CDR bypass
Compliant with QSFP28 MSA, IEEE 802.3cd 200GBASE-SR4 Ethernet transport protocol
Optional multi-rate versions compatible with 100G Ethernet, OTN OTU4 and 128GFC
Compatible with InfiniBand HDR transport protocols
Backward compatible with IEEE 802.3ba 40GBASE-SR4 and InfiniBand FDR transport protocols
Distance up to 70m (OM3) or 100m (OM4) using 4 pairs of parallel multimode fibers
Power consumption less than 2w
MPO12 optical connectors
Commercial and industrial grade operating temperature range
Supply voltage 3.3V
RoHS compliant (lead-free)

Products Portfolio

100G QSFP28 SR4

100G QSFP28 LR4

100G QSFP28 ER4

100G QSFP28 ZR4

Model Product Number Description
100G QSFP28 SR4 LGQ-100G-SR4 100GBASE-SR4 QSFP28 850nm 100m DOM MTP/MPO MMF Optical Transceiver Module
100G QSFP28 LR4 LGQ-100G-LR4 100GBASE-LR4 QSFP28 1310nm 10km DOM LC SMF Optical Transceiver Module
100G QSFP28 ER4 LGQ-100G-ER4 100G QSFP28-ER4, 1290~1310-nm, 30-km
100G QSFP28 ZR4 LGQ-100G-ZR4 100GBASE-ZR4 QSFP28 1310nm 80km DOM LC SMF Optical Transceiver Module
Model Download
100G QSFP28 SR4 Dowload
100G QSFP28 LR4 Dowload
100G QSFP28 ER4 Dowload
100G QSFP28 ZR4 Dowload