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1000BASE-BX10 2-channel SFP provides reliable dual-channel fiber connectivity.
GLC-2BX-D
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1000BASE-BX10 SFP, 1490NM, 2-Channels
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GLC-2BX-D
- Description:
- 1000BASE-BX10 SFP, 1490NM, 2-Channels
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- Brand:
- Cisco
- GTIN:
- 8764926729194
- Condition:
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GLC-2BX-D Overview
GLC-2BX-D is an SFP bidirectional optical transceiver module that supports 1G Ethernet connectivity. It features an LC connector, is engineered for long-range single-mode fiber applications, and is built in a compact SFP form factor ideal for data centers, enterprise networks, and telecom environments.
GLC-2BX-D is designed to reliably transport Ethernet signals over distances up to 20 km while meeting the rigorous demands of modern networking. It supports official Ethernet protocols and comes with precise physical dimensions that ensure compatibility with standard SFP cage systems for high-density deployments.
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GLC-2BX-D Specifications
- Product Type
- Transceiver
- Form Factor
- SFP
- Data Rate
- 1G
- Connector Type
- LC
- Wavelength
- 1310/1550 nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 20 km
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Power Consumption
- N/A
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco
- Product Name
- GLC-2BX-D
- Height
- 0.59 in
- Width
- 0.33 in
- Depth
- 2.11 in
- Weight
- 0.028 lbs
GLC-2BX-D Use Case
Enterprise Campus Fiber Extension with GLC-2BX-D-1000BASE-BX10 SFP
A multinational university deploys the GLC-2BX-D-1000BASE-BX10 SFP (1490 nm, 2-channels) to interconnect academic buildings over a single-strand fiber link spanning up to 10 km. By leveraging bi-directional transmission, the IT team consolidates TX/RX on one fiber, cutting infrastructure and leasing costs by 50 %. Key Benefits: • Simplified cabling: one fiber, two channels • Extended reach: reliable 10 km link without amplifiers • Lower OPEX: reduced fiber leasing and maintenance Outcome: High-bandwidth, future-proof campus backbone delivered in days with minimal fiber work and strong ROI.
Metro Ethernet Service Delivery for Telecom Providers
A regional telecom operator integrates the GLC-2BX-D-1000BASE-BX10 SFP module (1490 nm, 2-channels) into its edge routers to expand gigabit Metro Ethernet services to suburban customers using existing single-fiber ducts. This solution enables rapid provisioning of symmetrical 1 Gbps connectivity over distances up to 10 km, unlocking new revenue streams. Key Benefits: • Fast turn-up: plug-and-play installation in standard SFP slots • Cost efficiency: bi-di optics reduce fiber leasing by half • Scalability: supports up to 1 Gbps per customer link Outcome: Accelerated service deployment, enhanced customer satisfaction, and a competitive advantage in underserved markets.
Secure Data Center Interconnect for Financial Institutions
A global bank deploys the GLC-2BX-D-1000BASE-BX10 SFP (1490 nm, 2-channels) to establish a redundant, low-latency link between two data centers 8 km apart. The single-fiber, bi-directional module ensures dedicated gigabit throughput for real-time transaction replication and market data feeds. Key Benefits: • High reliability: hot-swappable SFP with built-in diagnostics (DDM) • Low latency: direct fiber path eliminates complex switching hops • Regulatory compliance: secure, point-to-point encryption ready Outcome: Robust disaster recovery architecture with sub-millisecond sync, achieving stringent SLA and compliance mandates.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| GLC-2BX-D |  GLC-SX-MMD |  GLC-2BX-D-I |  GLC-BX80-U-I |  GLC-FE-100FX-RGD= | |
|---|---|---|---|---|---|
| Compatibility | Cisco | Cisco | Cisco | Cisco | Cisco, Juniper, Huawei, Arista |
| Connector Type | LC | LC | LC | LC | LC Duplex |
| Data Rate | 1G | 1G | 1G | 1G | 100 Mbps |
| Depth | 2.11 in | N/A | 1.00 inches | N/A | N/A |
| Fiber Type | Single-mode | Multi-mode | Single-mode | Single-mode | Multi-mode |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Height | 0.59 in | N/A | 0.86 inches | N/A | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 20 km | 220 meters | 10 km | 80 km | 2000 meters |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | N/A | 1.0 W | 1.5 W | 1.5W | N/A |
| Product Name | GLC-2BX-D | GLC-SX-MMD | Cisco GLC-2BX-D-I | Cisco GLC-BX80-U-I 1000BASE-BX SFP Transceiver | GLC-FE-100FX-RGD= |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Transmission Distance | Long-Range | Short-Range | Long-Range | Long-Range | Short-Range |
| Wavelength | 1310/1550 nm | 850 nm | 1310 nm | 1310 nm (Tx) / 1490 nm (Rx) | 1310 nm |
| Weight | 0.028 lbs | N/A | 0.2 lbs | N/A | N/A |
| Width | 0.33 in | N/A | 2.15 inches | N/A | N/A |
Reviews & Ratings
L
Liam Hodge
5
Professional-grade module ensures stable network throughput.
M
Maya Trent
5
Easy installation and minimal maintenance required.
N
Noah Burke
5
Dependable performance under daily network load.
O
Olivia Chase
5
Consistent fiber connectivity for enterprise environments.
Questions & Answers
What is the Cisco GLC-2BX-D 1000BASE-BX10 SFP module?
The GLC-2BX-D is a dual-channel, single-mode SFP transceiver supporting 1000BASE-BX10 data rates over a 1490 nm wavelength for distances up to 10 km.
What data rate does the GLC-2BX-D support?
This SFP module supports a 1 Gbps (1000BASE-BX10) data rate on each of its two channels, ideal for Gigabit Ethernet links.
What is the optical wavelength of the GLC-2BX-D?
It operates at 1490 nm on the transmit channel and 1310 nm on the receive channel for full-duplex communication.
How far can the GLC-2BX-D transmit data?
The module supports link distances up to 10 km over single-mode fiber with typical loss budgets.
Is the GLC-2BX-D hot-swappable?
Yes, the SFP module is hot-swappable, enabling insertion or removal without powering down the host device.
Which fiber cable type is required for GLC-2BX-D?
Use single-mode fiber (SMF) with an ITU-T G.652-compliant cable for optimal performance.
Is the GLC-2BX-D interoperable with non-Cisco equipment?
It can work with third-party devices that comply with the SFF-8472 and IEEE 802.3 standards, though vendor compatibility should be verified.
What form factor does the GLC-2BX-D use?
This transceiver features the Small Form-Factor Pluggable (SFP) design, fitting standard SFP ports on switches and routers.
Does the GLC-2BX-D support Digital Optical Monitoring (DOM)?
Yes, it supports DOM for real-time monitoring of optical power, temperature, voltage and laser bias current.
What applications is the GLC-2BX-D ideal for?
It’s ideal for metro, access, point-to-point fiber connections and small-to-medium enterprise backbones.
What is the operating temperature range for GLC-2BX-D?
The module operates reliably between 0 °C to 70 °C (32 °F to 158 °F) ambient temperature.
How do I install the GLC-2BX-D SFP module?
Insert the module into a compatible SFP port until it clicks, connect the fiber cable, and verify the link LED status.
Can the GLC-2BX-D support link aggregation?
Yes, you can aggregate multiple 1000BASE-BX10 links for increased bandwidth and redundancy.
What does “BX10” denote in 1000BASE-BX10?
“BX10” indicates single-fiber bidirectional transmission over 10 km distances using two wavelengths on one fiber.
How do I troubleshoot link issues with GLC-2BX-D?
Verify fiber polarity, check DOM readings, inspect links for damage, and ensure compatible port configurations.
What warranty covers the GLC-2BX-D module?
Cisco offers a limited lifetime warranty on genuine GLC-2BX-D transceivers when purchased from authorized channels.
How does the dual-channel feature benefit network design?
Dual-channel BX technology allows bidirectional data over a single fiber strand, reducing cabling costs and simplifying routing.