Cisco QSFP-40G-CSR-S 40GB BASE-CSR 850nm Duplex LC MMF QSFP+ Transceiver

The Cisco QSFP-40G-CSR-S is a 40 Gigabit Ethernet transceiver module manufactured by Cisco. It uses the QSFP+ form factor and supports data transmission at 40 Gbps over multimode fiber (MMF) using an LC duplex connector.

This transceiver operates on an 850 nm wavelength with support for distances up to 350 meters when used with OM4 MMF cabling. It conforms to IEEE 802.3ba standards and integrates into compatible Cisco switches via standard QSFP+ ports, offering four-channel full-duplex connectivity aggregated into a single port interface.

Cisco QSFP-40G-CSR-S: Cisco 40GBASE-CSR QSFP Module for Duplex MMF