Extreme Networks - QSFP+ transceiver module - 40 Gigabit LAN

The LR4 QSFP+ module provides a 40 Gbps optical connection using LC optical connectors. This optical module integrates four data lanes on separate CWDM wavelengths in each direction for 40 Gbps aggregate bandwidth. Each lane operates at 10.3125 Gbps up to 10 km using single-mode fiber.