Use the Compatibility Tool to verify FS transceiver compatibility with your device and access test reports. The QSFP28 module provides 100GBase-LR4 throughput up to 10km over a standard pair of single mode fibre (SMF) with duplex LC connectors. The module seated correctly and the latch engaged, but the link refused to come up. After three hours of troubleshooting, Marcus discovered the real issue. It's all the benefits of Cisco, now as-a-service. Help keep your organization running, remotely and. The QSFP-DD Multi-Source Agreement defines mechanical, electrical, and thermal specifications. It ensures that a module from one vendor can physically fit and electrically interface with another vendor's switch. However, true compatibility requires more than MSA compliance. 3. QSFPTEK provides Crytek with high-density and high-reliability network solutions to help them solve cabling issues and network expansion problems in the face of future business growth. 40G SR4 and eSR4 are not supported for use over MMF OM1 or OM2 quality fiber.