Cisco 2x100GBASE-LR4 QSFP-DD Transceiver, Dual Duplex CS, 10 km Single-Mode

Ten kilometers with a dual duplex CS connector: the Cisco QDD-2X100-LR4-S is built for long reach from one port. The title names it 2x100GBASE-LR4, and it runs on single-mode fiber in a QSFP-DD module.

For teams linking two sites with two separate 100G circuits from one port, a module like this keeps the port count low. Plan the far end carefully, because each duplex pair has to land on a compatible 100G optic. Let us know your switch model and what the far end of each channel uses, so we can confirm the pairing.

CS is a compact connector, so check your panels and cords. A 10 km span also depends on the fiber route. Available conditions are new, refurbished and used. New and refurbished list 1 year or 3 years of warranty, and used lists 90 days.