United States$5,000,000+
Inventory Delivered By
F
Fiona Hayes
5
1000BASE-BX80-U delivers dependable 80km single-fiber bidirectional connections with DOM support.
GLC-BX80-U-I
1000BASE-BX80-U for 80km Single-Fiber Bidirectional Applicat...
FEATURED DEAL
Name:
GLC-BX80-U-I
- Description:
- 1000BASE-BX80-U for 80km Single-Fiber Bidirectional Applications; with DOM
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818249311968
- Condition:
- Warranty:
- 3
- List Price:
$6,135.00
- Price:
$48.0099.2% off
Quantity:
1
Business price:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
TRUSTED, TRIED, PROVEN
Officially Accredited
& Verified By
Next-Gen IT
Solutions Powered By
GLC-BX80-U-I Overview
GLC-BX80-U-I is an SFP transceiver designed to support 1G Ethernet connectivity for long-range applications over single-mode fiber using LC connectors. This module transmits at 1310 nm and receives at 1490 nm, achieving distances up to 80 km while maintaining a compact SFP form factor ideal for integration into data centers, enterprise networks, and telecom environments.
GLC-BX80-U-I adheres to stringent performance standards and is engineered to operate reliably within a temperature range of 0 to 70°C, with storage limits from -40 to 85°C. It is optimized for fiber network interfaces and is fully compatible with Cisco platforms, ensuring seamless deployment in high-performance network infrastructures.
GLC-BX80-U-I price is $48.00, a 99.2% saving from the Cisco list price of $6,135.00. GLC-BX80-U-I is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for GLC-BX80-U-I for additional pricing. Browse the full Sfp series or explore all Cisco products.
GLC-BX80-U-I Specifications
- Product Type
- Transceiver
- Form Factor
- SFP
- Data Rate
- 1G
- Connector Type
- LC
- Wavelength
- 1310 nm (Tx) / 1490 nm (Rx)
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 80 km
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Power Consumption
- 1.5W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco
- Product Name
- Cisco GLC-BX80-U-I 1000BASE-BX SFP Transceiver
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
GLC-BX80-U-I Use Case
Metro Ethernet Extension over 80 km with GLC-BX80-U-I 1000BASE-BX80-U Single-Fiber SFP
An Internet service provider leverages the GLC-BX80-U-I SFP module to link two metropolitan POPs 80 km apart over a single strand of dark fiber, eliminating the need for costly dual-fiber routes. By integrating DOM for real-time optical monitoring, the network achieves 1 Gbps throughput with proactive fault detection, reducing OPEX by up to 30 % and ensuring SLA-driven uptime.
Campus-to-Branch Connectivity for Remote Sites with 80 km Single-Fiber Bidirectional Link
A multinational enterprise deploys the GLC-BX80-U-I transceiver to connect its headquarters data center to a remote manufacturing plant 80 km away via a single-fiber backbone. The built-in DOM capability provides continuous link health metrics, enabling centralized network management, simplified fiber inventory, and a 25 % reduction in maintenance windows.
Utility Substation Interconnect with 80 km Single-Fiber GLC-BX80-U-I SFP and DOM
An electric utility firm uses the GLC-BX80-U-I for 1 Gbps bidirectional communication between geographically dispersed substations over existing single-fiber infrastructure. Real-time DOM insights allow predictive maintenance of optical links, boosting grid reliability, cutting emergency repair costs by 40 %, and supporting critical SCADA traffic with guaranteed latency.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| GLC-BX80-U-I |  GLC-FE-100LX |  GLC-FE-100BX-D= |  SFP-OC3-MM |  SFP-OC12-SR | |
|---|---|---|---|---|---|
| Compatibility | Cisco | Cisco | Cisco | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 1G | 100 Mb/s | 100 Mbps | OC-3 | OC-12 |
| Depth | N/A | N/A | N/A | 0.35 inches | N/A |
| Fiber Type | Single-mode | Single-mode | Single-mode | Multi-mode | Multi-mode |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Height | N/A | N/A | N/A | 0.28 inches | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 80 km | 10 km | 10 km | 300 meters | 300 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 | 1.5W | 0.7W | 1.5 W | N/A | N/A |
| Product Name | Cisco GLC-BX80-U-I 1000BASE-BX SFP Transceiver | GLC-FE-100LX | GLC-FE-100BX-D= | SFP-OC3-MM | SFP-OC12-SR |
| 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 | SONET/SDH | SONET / OC-12 |
| Transmission Distance | Long-Range | Long-Range | Long-Range | Short-Range | Short-Range |
| Wavelength | 1310 nm (Tx) / 1490 nm (Rx) | 1310 nm | 1270 nm (TX) / 1330 nm (RX) | 850nm | 1310 nm |
| Weight | N/A | N/A | N/A | 0.1 lbs | N/A |
| Width | N/A | N/A | N/A | 0.55 inches | N/A |
Reviews & Ratings
G
Gideon Park
5
Easy deployment, high reliability, suitable for enterprise networks.
H
Harper Lane
4
Professional-grade transceiver providing stable long-distance performance.
I
Isla Rivers
4
Minimal signal loss under heavy traffic conditions.
J
Jared Cross
4
Durable and consistent, ideal for backbone links.
Questions & Answers
What is the Cisco GLC-BX80-U-I 1000BASE-BX80-U transceiver?
The GLC-BX80-U-I is a 1000BASE-BX80-U SFP module designed for 80 km single-fiber bidirectional Ethernet links, featuring digital optical monitoring (DOM) for real-time performance management.
Which wavelength does the GLC-BX80-U-I use for bidirectional transmission?
The GLC-BX80-U-I operates at 1550 nm for TX and 1310 nm for RX, enabling single-fiber bidirectional data transfer over distances up to 80 km.
Is the GLC-BX80-U-I compatible with standard SFP ports?
Yes, the GLC-BX80-U-I is fully compliant with the SFP Multi-Source Agreement (MSA) and works seamlessly with any SFP-enabled switch or router.
What data rate does the GLC-BX80-U-I support?
The GLC-BX80-U-I supports 1 Gbps data throughput, ideal for Gigabit Ethernet applications over long single-fiber links.
How do I monitor the performance of the GLC-BX80-U-I?
Use the module’s built-in digital optical monitoring (DOM) interface to check real-time parameters such as optical power, temperature, and voltage via your network management system.
What type of fiber connector is required for the GLC-BX80-U-I?
The GLC-BX80-U-I uses an LC duplex connector, optimized for single-fiber bidirectional operation with a single LC port per direction.
Can I use the GLC-BX80-U-I in CWDM or DWDM networks?
No. The GLC-BX80-U-I is designed specifically for standard single-fiber Gigabit Ethernet links and does not support CWDM or DWDM channel spacing.
What is the maximum link budget for the GLC-BX80-U-I?
The GLC-BX80-U-I offers a link budget of up to 28 dB, ensuring reliable connectivity over 80 km of single-mode fiber.
Does the GLC-BX80-U-I require special configuration on Cisco switches?
No special configuration is required; simply insert the transceiver into an SFP slot and the switch will automatically recognize and configure the module.
What environmental conditions can the GLC-BX80-U-I operate in?
The GLC-BX80-U-I operates in a commercial temperature range of 0 °C to 70 °C and a storage range of –40 °C to 85 °C with humidity up to 95% non-condensing.
Is DOM mandatory for network monitoring with the GLC-BX80-U-I?
While not mandatory, enabling DOM greatly simplifies troubleshooting and performance management by providing real-time optical metrics.
How do I distinguish TX and RX on a single-fiber bidirectional link?
The GLC-BX80-U-I transmits at 1550 nm (TX) and receives at 1310 nm (RX); fiber polarity must match these wavelengths for proper operation.
Can I mix GLC-BX80-U-I modules from different vendors?
Yes, as long as the third-party modules are SFP MSA–compliant and match the same wavelength and distance specifications, interoperability is assured.
What packaging options are available for GLC-BX80-U-I?
The GLC-BX80-U-I is typically sold in single-unit OEM packaging and bulk trays, each including static-safe protection and a laser safety warning.
How do I verify the warranty status of my GLC-BX80-U-I?
Use your Cisco service contract number or the serial number printed on the module to check warranty coverage via Cisco’s online warranty tool.
What are the typical use cases for the GLC-BX80-U-I?
Common applications include campus backbone links, long-distance Ethernet extensions, and point-to-point connections in metropolitan area networks.