Cisco GLC-BX-U Transceiver 1000BASE-BX SFP GLCBXU

Description:

The Cisco GLC-BX-U 1000BASE-BX SFP Transceiver Module is used in Cisco networking equipment to provide Gigabit Ethernet connectivity over single-mode fiber using bidirectional optical transmission. Commonly installed in enterprise switches, routers, and fiber backbone infrastructures where single-fiber communication is required for efficient long-distance network connections. Maintenance teams, network engineers, and system integrators use this transceiver module for fiber network expansion, replacement of failed optical modules, and deployment of bidirectional fiber links in enterprise and service provider networks.

Applications:

The Cisco GLC-BX-U module is deployed in enterprise and service provider networking environments where fiber connectivity must be established over a single strand of single-mode fiber. It is commonly used in campus fiber networks, metropolitan fiber infrastructures, and enterprise backbone connections where bidirectional optical transmission reduces fiber usage while maintaining reliable Gigabit Ethernet connectivity. Network administrators install this module in compatible Cisco switches and routers to enable long-distance fiber communication between network devices.

Technical Specifications:

• Manufacturer Part Number (MPN): GLC-BX-U
• Product Type: SFP Fiber Transceiver Module
• Data Rate: 1 Gigabit Ethernet (1 Gbps)
• Standard: 1000BASE-BX
• Fiber Type: Single-Mode Fiber (SMF)
• Transmission Type: Bidirectional (BiDi) over single fiber
• Wavelength: 1310 nm transmit / 1490 nm receive
• Maximum Distance: Up to 10 km
• Connector Type: LC Simplex
• Form Factor: SFP (Small Form-Factor Pluggable)
• Compatibility: Cisco switches and routers with SFP ports

Common Replacements:

• Cisco GLC-BX-D SFP Transceiver
• Cisco GLC-LH-SMD SFP Transceiver
• Cisco GLC-SX-MMD SFP Transceiver