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Cisco GLC-BX-D 1000BASE-BX10-D Downstream SFP Transceiver - Single Fiber Bidirectional - LC Connector - Single-mode - with DOM
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Product Features
Technical Overview
This SFP transceiver operates at 1000 Mbps (1 Gigabit) using the 1000BASE-BX10-D standard for downstream communication over single-mode fiber. The bidirectional design allows full-duplex data transmission over a single fiber strand, reducing cabling costs and complexity. The LC connector ensures secure optical connections with low insertion loss.
Digital Optical Monitoring (DOM) provides visibility into key parameters such as optical power, temperature, and voltage, enabling proactive network management. The hot-swappable design allows installation and replacement without powering down the host switch, minimizing network downtime.
Key Product Advantages
The Cisco GLC-BX-D transceiver optimizes fiber network deployments with its single-fiber bidirectional capability and integrated monitoring features. It reduces infrastructure requirements while maintaining reliable Gigabit Ethernet performance.
Fiber Efficiency
Bidirectional operation over single-mode fiber cuts cabling needs in half compared to traditional dual-fiber solutions, lowering material and installation costs.
- Uses one fiber strand instead of two
- Maintains full 1 Gbps throughput
- Simplifies fiber management
Network Visibility
DOM support delivers real-time diagnostics for optical power, temperature, and voltage, enabling proactive maintenance and troubleshooting.
- Monitors key performance metrics
- Supports SNMP-based management
- Enables predictive maintenance
Deployment / Use Cases
This transceiver is engineered for Cisco network environments requiring cost-effective fiber connectivity with monitoring capabilities. It's particularly valuable in scenarios where fiber infrastructure is limited or expensive to expand.
Typical deployments include connecting switches in enterprise networks, service provider access networks, and campus backbone links. The 10 km reach supports medium-distance connections between buildings or network segments, while the single-fiber design makes it ideal for fiber conservation in dense network racks.
Enterprise Network Expansion
Extend Cisco Catalyst switch connectivity between floors or buildings using existing single-mode fiber runs, adding Gigabit capacity without new cabling.
Service Provider Access
Deploy in Cisco ME series switches for subscriber connections, utilizing single-fiber infrastructure to deliver broadband services efficiently.
Physical Profile
The transceiver measures 0.53" wide by 0.33" high by 2.22" deep (13.4 mm x 8.5 mm x 56.5 mm), fitting standard SFP slots in compatible switches. Its hot-swappable design allows tool-free insertion and removal, supporting maintenance without network interruption. The compact form factor maximizes port density in network equipment.
- Width
- 0.53" (13.40 mm)
- Depth
- 2.22" (56.50 mm)
- Height
- 0.33" (8.50 mm)
Highlights
- 1000BASE-BX10-D downstream SFP transceiver for single fiber bidirectional operation
- LC connector interface for reliable optical fiber connections
- Single-mode fiber support with 10 km reach capability
- Digital Optical Monitoring (DOM) for real-time performance tracking
- Hot-swappable SFP form factor for easy installation and replacement
- Compatible with Cisco Catalyst 2960/3560/3750/4500/4900/6500 series switches
- Also works with Cisco ME 2400 and ME 3400 series switches
- Bidirectional design reduces fiber infrastructure requirements by 50%
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | GLC-BX-D= |
| Brand Name | Cisco |
| Product Model | GLC-BX-D= |
| Product Name | 1000BASE-BX10 Downstream SFP Module |
| Product Type | SFP |
| Technical Information | |
| Application/Usage | Data Networking |
| Interfaces/Ports | |
| Total Number of Ports | 1 |
| Connector Type | LC |
| Interfaces/Ports Details | 1 x LC 1000Base-BX |
| Media & Performance | |
| Media Type Supported | Optical Fiber |
| Fiber Mode Supported | Single-mode |
| Physical Characteristics | |
| Form Factor | Hot-swappable |
| Height | 0.33" (8.50 mm) |
| Width | 0.53" (13.40 mm) |
| Depth | 2.22" (56.50 mm) |
| Miscellaneous | |
| Compatibility | Cisco ME 2400 Catalyst 2960 series Cisco ME 3400 Catalyst 3560 series Catalyst 3750 series Catalyst 4500 series Catalyst 4900 series Catalyst 6500 series |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | 90 Day |
FAQ
What is the difference between upstream and downstream in bidirectional SFP transceivers?
In bidirectional fiber optics, upstream and downstream transceivers operate on different wavelengths over the same fiber strand. The downstream transceiver (like the GLC-BX-D) typically transmits at 1490 nm and receives at 1310 nm, while the upstream transceiver uses the opposite wavelengths. This allows full-duplex communication over a single fiber, with each direction needing the matching transceiver type for proper operation.
What Cisco switch models are compatible with the GLC-BX-D transceiver?
This transceiver is compatible with multiple Cisco switch series including the Catalyst 2960, 3560, 3750, 4500, 4900, and 6500 series, as well as the ME 2400 and ME 3400 series. It's designed to work in SFP slots on these platforms, providing single-fiber bidirectional connectivity for Gigabit Ethernet links. Always verify specific switch model compatibility before deployment.
How does Digital Optical Monitoring (DOM) benefit network management?
DOM provides real-time monitoring of optical parameters including transmit and receive power, temperature, and supply voltage. This enables network administrators to detect degrading links before failure, troubleshoot connectivity issues more effectively, and maintain optimal network performance. The data is accessible via SNMP or switch CLI, supporting proactive network management and reducing downtime.
What is the maximum distance supported by this transceiver?
The GLC-BX-D supports distances up to 10 kilometers over single-mode fiber. This reach makes it suitable for connecting network segments across campus environments, between buildings, or in service provider access networks. Actual distance may vary based on fiber quality, connectors, and environmental factors, but 10 km represents the standard specification for 1000BASE-BX10 operation.
| Qty | Price | Available |
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