IP67 Optical adapter

400G QSFP-DD FR4 2km LC Optical Transceiver‌ The ‌400G QSFP-DD FR4 2km‌ transceiver is a high-performance optical module designed for long-distance 400 Gigabit Ethernet applications. It leverages ‌PAM4 modulation‌ and ‌CWDM EML lasers‌ to achieve ‌2km transmission‌ over single-mode fiber (SMF), complying with IEEE 802.3bs & QSFP-DD MSA standards. Applications:‌ Data center interconnects‌ between remote sites. 5G fronthaul/midhaul‌ networks requiring high-bandwidth, low-latency links. Enterprise and cloud service provider‌ infrastructures scaling to 400G. RoHS compliant‌ and engineered for future-proof networking, this transceiver enables seamless migration to next-generation 400G architectures. QSFP-DD MSA compliant  Compliant to 100G Lambda MSA  400G FR4 Specification compliant  4 CWDM lanes MUX/DEMUX design  8x53.125Gb/s PAM4 electrical inter- face (400GAUI-8)  Maximum power consumption 12W  LC duplex connector  Supports 425Gb/s aggregate bit rate  Up to 2km transmission on single mode fiber with FEC  Single 3.3V power supply  RoHS compliant 200G QSFP56 SR4 100M 400G QSFP-DD SR8 100M 400G QSFP-DD DR4 2KM 400G QSFP-DD LR4 10KM 400G OSFP SR8 100M 200G 400G 400G 400G 400G 100M 100M 2KM 10KM 100M 850nm 850nm 1310nm CWDM 850nm MPO MPO MPO LC MPO MM MM SM SM MM DDM DDM DDM DDM DDM COM: 0°C ~70°C COM: 0°C ~70°C COM: 0°C ~70°C COM: 0°C ~70°C COM: 0°C ~70°C

Compatible with IEEE 802.3bj and IEEE 802.3cd  Supports aggregate data rates of 400Gbps(PAM4)  Optimized construction to minimize insertion loss and cross talk  Pull-to-release slide latch design  28AWG through 30AWG cable  Straight and break out assembly configurations available  Customized cable braid termination limits EMI radiation  Customizable EEPROM mapping for cable signature  RoHS compliant FAQ: Q1: What is a ‌DAC Cable (Direct Attach Copper Cable)‌?‌ A1: A ‌high-speed DAC cable‌ is a cost-effective solution for ‌short-distance data transmission‌, commonly used in ‌data centers‌, ‌cloud computing‌, and ‌enterprise networking‌ to connect ‌switches, servers, and storage devices‌. Q2: What are the advantages of using ‌DAC cables‌ over ‌optical transceivers‌?‌ A2: Passive DAC cables‌ are more affordable, consume less power, and offer ‌lower latency‌ than ‌active optical cables (AOC)‌ or ‌fiber optics‌, making them ideal for ‌10G, 25G, 40G, and 100G Ethernet‌ connections. Q3: What lengths are available for ‌SFP+ DAC, QSFP+ DAC, and QSFP28 DAC cables‌?‌ A3: Standard lengths range from ‌0.5m to 7m‌, with popular options like ‌1m DAC, 3m DAC, and 5m DAC cables‌ for ‌rack-to-rack connectivity‌. Q4: Are ‌DAC cables‌ compatible with ‌Cisco, HPE, Juniper, Dell, and Arista‌ devices?‌ A4: Most ‌SFP DAC and QSFP DAC cables‌ are vendor-agnostic, but always verify ‌compatibility with your switch or server model‌ for seamless integration. Q5: Can ‌high-speed DAC cables‌ support ‌400G Ethernet‌?‌ A5: Yes, ‌QSFP-DD DAC and OSFP DAC cables‌ now support ‌200G/400G data rates‌, ideal for ‌hyperscale data centers‌ and ‌HPC (High-Performance Computing)‌. Q6: Do ‌passive DAC cables‌ require external power?‌ A6: No, ‌passive copper DAC cables‌ draw power directly from the device, reducing ‌energy costs‌ and ‌heat dissipation‌ in ‌data center environments‌. Q7: What is the ‌maximum distance‌ for ‌DAC cable transmission‌?‌ A7: Copper DAC cables‌ typically reach ‌up to 7m‌—beyond this, consider ‌active DAC cables‌ or ‌AOC/fiber optics‌ for longer distances. Q8: Are ‌DAC breakout cables‌ hot-swappable?‌ A8: Yes, ‌hot-swappable DAC cables‌ (e.g., ‌QSFP+ to 4x SFP+ DAC‌) allow flexible deployment without system downtime. Q9: How to choose the right ‌DAC cable‌ for ‌10G/40G/100G networks‌?‌ A9: Match your ‌switch port type‌ (SFP+, QSFP+, etc.), ‌data rate‌, and ‌length requirements‌. For ‌high-density setups‌, opt for ‌low-profile DAC cables‌. Q10: What is the difference between ‌passive DAC‌ and ‌active DAC cables‌?‌ A10: Passive DAC cables rely on device power and support shorter distances (up to 7m), while active DAC cables include signal amplification for extended reach (up to 15m) but consume more power.