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1000BASE-BX80-U SFP ensures reliable long-distance single-fiber bidirectional connectivity.
GLC-BX80-U-I=
1000BASE-BX80 SFP 1490NM
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GLC-BX80-U-I=
- Description:
- 1000BASE-BX80 SFP 1490NM
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- Brand:
- Cisco
- GTIN:
- 818249311968
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GLC-BX80-U-I= Overview
GLC-BX80-U-I= is a Cisco SFP transceiver module that supports 1G Ethernet connectivity through a bidirectional design. It employs LC duplex connectors with dual wavelengths—typically 1310 nm for reception and 1490 nm for transmission—to enable data transmission over extended distances on single-mode fiber.
GLC-BX80-U-I= is engineered for demanding applications in data centers, enterprise networks, and telecom environments. Its compact SFP form factor, support for Ethernet protocols, and an extended reach of up to 80 km make it an ideal choice for long-haul connectivity and scalable network deployments.
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GLC-BX80-U-I= Specifications
- Product Type
- Transceiver
- Form Factor
- SFP
- Data Rate
- 1G
- Connector Type
- LC
- Wavelength
- 1310/1490 nm
- Transmission Distance
- Extended-Range
- Fiber Type
- Single-mode
- Max Distance
- 80 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-BX80-U-I=
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
GLC-BX80-U-I= Use Case
Enterprise Campus Backbone Extension Over Single-Fiber Link
In a multi-building corporate campus, IT teams deploy GLC-BX80-U-I 1000BASE-BX80 SFP 1490nm modules to connect disparate switches over up to 10 km using a single strand of fiber. This bi-directional SFP halves fiber cabling costs, simplifies rack-to-rack connectivity and delivers full-duplex 1 Gbps throughput—ensuring seamless VoIP, video conferencing and cloud access with minimal infrastructure investment.
Metro Ethernet Service Provisioning for Telecom Operators
Telecom providers integrate GLC-BX80-U-I 1000BASE-BX80 SFP 1490nm transceivers into OLT/ONT platforms to deliver symmetrical gigabit Ethernet to business customers across metropolitan areas. The 1490 nm single-fiber design supports up to 10 km reach, reduces fiber-route complexity and boosts network reliability—enabling rapid service activation, lower CAPEX and SLA-grade performance for enterprise subscribers.
Data Center Disaster-Recovery Link with Single-Strand Fiber
A financial services firm establishes a disaster-recovery link between primary and secondary data centers by deploying GLC-BX80-U-I 1000BASE-BX80 SFP 1490nm modules on their core switches. Leveraging bi-di 1 Gbps connectivity over a single fiber strand, the solution delivers low-latency replication, simplifies failover testing and reduces operational cost—ensuring continuous data integrity and compliance with zero-downtime recovery objectives.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 GLC-BX80-U-I= |  GLC-FE-100FX48 |  GLC-LX-SM-RGD |  SFP-OC48-LR2 |  SFP-OC3-SR= | |
|---|---|---|---|---|---|
| Compatibility | Cisco | Cisco | Cisco | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei |
| Connector Type | LC | LC Duplex | LC | LC | LC |
| Data Rate | 1G | 100 Mbps | 1G | OC-48 | 155 Mbps |
| Depth | N/A | N/A | N/A | 1.68 inches | 0.50 inches |
| Fiber Type | Single-mode | Multi-mode | Single-mode | Single-mode | Multi-mode |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Height | N/A | N/A | N/A | 0.55 inches | 0.80 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 80 km | 2000 m | 10 km | 40 km | 300 meters |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0°C to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | N/A | N/A | 1.5W | 3.5 W | 1.5W |
| Product Name | GLC-BX80-U-I= | GLC-FE-100FX48 | GLC-LX-SM-RGD | SFP-OC48-LR2 | SFP-OC3-SR= |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40°C to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet / SONET / OC-48 | SONET, OC-3 |
| Transmission Distance | Extended-Range | Short-Range | Long-Range | Long-Range | Short-Range |
| Wavelength | 1310/1490 nm | 1300 nm | 1310 nm | 1310 nm | 850nm |
| Weight | N/A | N/A | N/A | 0.2 lbs | 0.10 lbs |
| Width | N/A | N/A | N/A | 0.87 inches | 1.00 inches |
Reviews & Ratings
P
Preston Drake
4
Durable and industrial-grade, ideal for enterprise backbone links.
Q
Quinn Hayes
5
Professional-grade transceiver with consistent performance.
R
Rhea Cross
3
Stable throughput under heavy traffic conditions.
S
Sebastian Lowe
4
Easy deployment and dependable fiber connections.
Questions & Answers
What is Cisco GLC-BX80-U-I= 1000BASE-BX80 SFP transceiver?
The Cisco GLC-BX80-U-I= is a bidirectional 1000BASE-BX80 SFP transceiver module for single-mode fiber, offering 1490 nm transmit/1310 nm receive wavelengths and up to 80 km reach.
What fiber type does the GLC-BX80-U-I= require?
The GLC-BX80-U-I= transceiver requires standard single-mode fiber (SMF) with a 9/125 µm core/ cladding profile for optimal performance.
What is the maximum transmission distance of GLC-BX80-U-I=?
The GLC-BX80-U-I= supports a maximum link distance of 80 km over single-mode fiber (SMF) at standard attenuation levels.
What are the wavelength specifications of GLC-BX80-U-I=?
The GLC-BX80-U-I= uses a 1490 nm wavelength for transmit and a 1310 nm wavelength for receive, enabling bidirectional operation on a single fiber strand.