Cisco GLC-BX-U is a 1000BASE-BX10 upstream bidirectional SFP for single-strand single-mode fiber. It transmits at 1310 nm and receives at 1490 nm over links up to 10 km. The “=” suffix identifies the spare SKU.

• Single-fiber Gigabit uplinks
• Campus fiber access
• Metro Ethernet connectivity
• Bidirectional switch links

• 1000BASE-BX10-U
• Single-strand SMF operation
• 1310-nm TX / 1490-nm RX
• 10-km reach

• Ethernet: 1000BASE-BX10-U
• Speed: 1 Gbps
• Fiber: Single-mode
• Wavelength TX: 1310 nm
• Wavelength RX: 1490 nm
• Reach: Up to 10 km
• Connector: Single LC/PC
• Fiber Strand: Single strand
• Form Factor: SFP
• Direction: Upstream
• Link Type: Bidirectional
• Optical: BiDi
• DOM: Supported on documented variant
• Protocol: Gigabit Ethernet
• Spare SKU: Yes (=)