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Cisco GLC-BX-D SFP Module : BiDi Single-Fiber , 10km Reach , DDM Support Cisco Module
The Cisco GLC-BX-D is a high-performance SFP (Small Form-Factor Pluggable) transceiver designed for single-fiber bidirectional (BiDi) communication, optimizing fiber infrastructure while reducing costs. Compatible with Cisco switches and routers, this module is ideal for enterprise networks, data centers, and service providers requiring reliable 1.25Gbps connectivity over 10km.
BiDi Single-Fiber Technology
Uses WDM (Wavelength Division Multiplexing) to transmit and receive signals over a single strand of single-mode fiber (SMF).
Tx: 1310nm / Rx: 1490nm wavelengths (paired with GLC-BX-U for reverse direction).
Saves 50% fiber costs compared to dual-fiber solutions.
10km Long-Distance Reach
Supports up to 10 kilometers on single-mode fiber, ideal for metro access, campus networks, and FTTH.
Digital Diagnostics Monitoring (DDM)
Real-time monitoring of temperature, optical power, voltage, and bias current for proactive maintenance.
Low Power & High Compatibility
Low power consumption (<1W) and hot-swappable for easy deployment.
Certified for Cisco Catalyst, Nexus, and MDS series switches (verify compatibility).
| Parameter | Specification |
|---|---|
| Form Factor | SFP (Small Form-Factor Pluggable) |
| Fiber Type | Single-Mode (SMF) |
| Wavelength | Tx: 1310nm / Rx: 1490nm |
| Max Data Rate | 1.25Gbps |
| Transmission Distance | 10km |
| DDM Support | Yes (Digital Diagnostics) |
| Connector Type | LC Duplex |
| Operating Temperature | 0°C to 70°C (32°F to 158°F) |
| Compatibility | Cisco Catalyst/Nexus/MDS Series |
Fiber-optic network expansion with limited fiber resources.
Enterprise campus networks and data center interconnects (DCI).
FTTH (Fiber-to-the-Home) and telecom backhaul.
This SFP module combines cost-efficiency, reliability, and seamless integration with Cisco ecosystems. Its BiDi technology doubles fiber capacity, while DDM support ensures network visibility. Backed by Cisco’s warranty, it’s a trusted solution for scalable optical networks.