The Cisco PAK-100G-LR4 Optical Transceiver Module is a 100G LR4 SMF transceiver designed for Cisco networking gear. The PAK-100G-LR4 module provides single-mode fiber connectivity for 100 Gbps transmissions in compatible Cisco environments. Typical applications include high-speed uplinks and interconnects between switches or routers within data centers or enterprise networks that rely on Cisco hardware.
