100G QSFP28 CLR4 (2km)

The Gigalight 100G QSFP28 CLR4 2km optical transceiver (GQS-SPO101-CCR4CA) is designed for Data Center 100G CLR4 Ethernet and InfiniBand 4x EDR High-Performance Computing (HPC) links reach up to 2km without FEC over Single-Mode Fiber (SMF). Get a Quote
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The module converts 4 input channels of 25Gb/s electrical data to 4 channels of CWDM optical signals and then multiplexes them into a single channel for 100Gb/s optical transmission. Reversely on the receiver side, the module de-multiplexes a 100Gb/s optical input into 4 channels of CWDM optical signals and then converts them to 4 output channels of electrical data. The central wavelengths of the 4 CWDM channels are 1271nm, 1291nm, 1311nm and 1331nm as members of the CWDM wavelength grid defined in CLR4 MSA. The high-performance uncooled CWDM DFB transmitters and high-sensitivity PIN receivers provide superior performance for 100-Gigabit Ethernet applications up to 2km links.

▪ Hot-pluggable QSFP28 form-factor
▪ 4 channels full-duplex transceiver module
▪ 4x uncooled CWDM DFB transmitter and PIN ROSA
▪ Internal CDR circuits on both receiver and transmitter channels
▪ Non-airtight optical engine design
▪ Compliant with QSFP28 MSA and 100G CLR4 specifications
▪ Data rate up to 103.125Gbps
▪ Reach up to 2km over G.652 SMF without FEC
▪ Power consumption < 3.5W
▪ Duplex LC receptacles
▪ Operating case temperature range from 0°C to 70°C
▪ 3.3V power supply voltage
▪ RoHS compliant (lead free)


The Gigalight 100G QSFP28 CLR4 2km optical modules are qualified under case temperature 85°C and humidity 85% @500 hours (the variation of TX ≤ 2.5dBm, RX ≤ 1.5dBm).

▪ 100G CLR4 Ethernet Data Center Networks
▪ InfiniBand 4x EDR HPC Networks
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