100G QSFP28 LR4 optical transceiver module, support 100Gb/s and up to 10 km transmission on SM fiber, it works in high-speed IDC connection solutions, and so on. Features 4 lanes MUX/DEMUX design Integrated LAN WDM TOSA / ROSA for up to 10 km reach over SMF Support 100GBASE-ER4 for line rate of 103.125Gbps and OTU4 for line rate of 111.81Gbps Aggregate bandwidth of >100Gbps Duplex LC connectors Compliant with IEEE 802.3-2012 Clause 88 standard IEEE 802.3bm CAUI-4 chip to module electrical standard ITU-T G.959.1-2012-02 standard· Single +3.3V power supply operating   Built-in digital diagnostic functions   Temperature range 0°C to 70°C   RoHS Compliant Part Support FEC(Forward Error Correction)

The 100G LR1 Single Lambda QSFP28 Optical Transceiver Module is designed for use in 100GBASE Ethernet throughput up to 10km over single mode fiber (SMF) using a wavelength of 1290nm or 1270/1290/1310/1330 via duplex LC connectors. So can be used 4x100G QSFP28 CWDM transceiver and one 4CH CWDM MUX(1270~1330nm) up to 400G transmission on two core fiber(SMF), 2-10KM distance between two Data Center Features Up to 106.25Gbps data rate single channel 1x106.25Gbps PAM4 Line side, 4x25.78Gbps NRZ Host side or 4x26.56Gbps NRZ Host side (close Media-side KP1 FEC inside Module) 100Gbps hermetic TOSA with EML (1271,1291, 1311 or 1331nm)and PIN Detector Dual LC optical interface compliant DDM function implemented Maximum link length of 10km on SMF fiber Low power dissipation: <4W International class 1 laser safety certified Operating temperature range: 0C ~ +70 C Compliant with ROHS6

Features Supports 100GBASE-LR1- 10 BIDI Lane signaling rate 106.25Gb/s with PAM4 Up to 10km transmission on SMF EML Laser and PIN receiver 4x25.78Gb/s with NRZ electrical interface (CAUI-4) High speed I/O electrical interface I2C interface with integrated Digital Diagnostic monitoring QSFP28 MSA package with simplex LC connector Single +3.3V power supply Support HW TX_DIS and RX_LOS for telecom application Maximum power consumption 4 W Operating case temperature: 0 to +70 °C Compliant to 802.3cu, SFF-8636&SFF-8679 standard Complies with EU Directive 2015/863/EU Application 100GBASE-LR1- 10 BIDI Transceiver Types:

The RQ-100G-PSM4 QSFP28 optical transceiver is intended for up to 10km reach service with four-lane 25.78125G data rate. It is based on 3.3V DC power supply and operates in the commercial temperature range. It is compliant with QSFP MSA 、SFF-8436 、SFF-8636 and PSM4 MSA. Digital diagnostic functions are available via  I2C interface，and the control functions can be  achieved by LVTTL interfaces on the host，mainly including Module Select(ModSelL)、Module Reset(ResetL)、 Low Power Mode(LPMode). The transceiver incorporates a four-laser array which is usually DFB 、four-PIN diode array 、a high performance CDR integrated four drivers and TIAs IC separately. The differential AC coupled Tx and Rx data interfaces are CML compatible.