Cisco GLC-BX-U

The Cisco GLC-BX-U is a Small Form-Factor Pluggable (SFP) transceiver module manufactured by Cisco Systems. It is designed for use in Gigabit Ethernet and Fiber Channel applications. The GLC-BX-U is a single-mode transceiver that operates over a single fiber strand, using a wavelength of 1310 nm for transmitting data and 1490 nm for receiving data. It has a maximum data transfer rate of 1.25 Gbps and a maximum link distance of up to 10 kilometers. The GLC-BX-U is commonly used in Cisco networking equipment to provide connectivity over long distances using single-mode fiber optic cables.