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1000BASE-BX40-U SFP provides stable single-fiber 40km connectivity with industrial reliability.
GLC-BX40-U-I=
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1000BASE-BX40 SFP 1310NM
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GLC-BX40-U-I=
- Description:
- 1000BASE-BX40 SFP 1310NM
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- Brand:
- Cisco
- GTIN:
- 8734249734274
- Condition:
- Warranty:
- 3
- List Price:
$3,237.54
- Price:
$1,327.4059% off
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GLC-BX40-U-I= Overview
GLC-BX40-U-I= is a Cisco SFP transceiver engineered for 1G Ethernet connectivity over single-mode fiber. It employs LC connectors and dual wavelengths to achieve extended-range performance up to 40 km, addressing long-range transmission needs in telecom and enterprise networks.
GLC-BX40-U-I= features a compact SFP form factor with physical dimensions tailored for high-density data centers and networking equipment. It supports Ethernet protocols and integrates reliable performance with standardized dimensions, ensuring seamless implementation for robust fiber optic communications.
GLC-BX40-U-I= price is $1,327.40, a 59% saving from the Cisco list price of $3,237.54. GLC-BX40-U-I= is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for GLC-BX40-U-I= for additional pricing. Browse the full Sfp series or explore all Cisco products.
GLC-BX40-U-I= Specifications
- Product Type
- Transceiver
- Connector Type
- LC
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Fiber Type
- Single-mode
- Transmission Distance
- Extended-Range
- Max Distance
- 40 km
- Form Factor
- SFP
- Data Rate
- 1G
- Compatibility
- Cisco
- Weight
- 0.1 lbs
- Height
- 0.65 inches
- Wavelength
- 1310/1490 nm
- Power Consumption
- 1.3 W
- Product Name
- Cisco GLC-BX40-U-I=
- Width
- 0.72 inches
- Depth
- 1.94 inches
GLC-BX40-U-I= Use Case
Metropolitan Fiber Aggregation with GLC-BX40-U-I 1000BASE-BX40 SFP 1310NM
A regional telecom operator leverages the GLC-BX40-U-I=-1000BASE-BX40 SFP 1310NM transceiver to establish single-fiber, bidirectional 1 Gbps links between central office and remote aggregation nodes over 40 km. Benefit: halves fiber requirements, slashes CAPEX/OPEX, accelerates service roll-out and streamlines maintenance.
Enterprise Campus Backbone Extension Using GLC-BX40-U-I SFP 1310NM
A large corporate campus integrates legacy single-mode fiber ducts to connect building distribution switches by deploying the GLC-BX40-U-I=-1000BASE-BX40 SFP 1310NM module. This solution preserves existing infrastructure while delivering reliable gigabit connectivity across 40 km. Benefit: minimizes fiber retrofit costs, ensures high uptime and simplifies network upgrades.
Data Center Interconnect with GLC-BX40-U-I 1000BASE-BX40 SFP 1310NM
A hyperscale data center implements rack-to-rack and building-to-building links using the GLC-BX40-U-I=-1000BASE-BX40 SFP 1310NM for 1 Gbps full-duplex transmission up to 40 km on a single fiber strand. Benefit: maximizes port density, reduces power draw, optimizes cable management and enables flexible scaling.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| GLC-BX40-U-I= |  GLC-FE-100BX-D= |  GLC-SX-MM-RGD |  GLC-BX80-U-I= |  GLC-T-RGD | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Data Rate | 1G | 100 Mbps | 1G | 1G | 1G |
| Connector Type | LC | LC | LC | LC | RJ45 |
| Wavelength | 1310/1490 nm | 1270 nm (TX) / 1330 nm (RX) | 850 nm | 1310/1490 nm | N/A |
| Transmission Distance | Extended-Range | Long-Range | Short-Range | Extended-Range | Short-Range |
| Fiber Type | Single-mode | Single-mode | Multi-mode | Single-mode | N/A |
| Max Distance | 40 km | 10 km | 220 meters | 80 km | 100 m |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Ethernet |
| Power Consumption | 1.3 W | 1.5 W | 1.2W | N/A | 3.0W |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco | Cisco | Cisco | Cisco | Cisco |
| Product Name | Cisco GLC-BX40-U-I= | GLC-FE-100BX-D= | GLC-SX-MM-RGD | GLC-BX80-U-I= | GLC-T-RGD |
| Height | 0.65 inches | N/A | N/A | N/A | 0.33 inches |
| Width | 0.72 inches | N/A | N/A | N/A | 0.53 inches |
| Depth | 1.94 inches | N/A | N/A | N/A | 2.20 inches |
| Weight | 0.1 lbs | N/A | N/A | N/A | 0.1 lbs |
Reviews & Ratings
K
Keira Locke
5
Professional-grade module ensures consistent performance under varying conditions.
L
Liam Chase
5
Easy installation and minimal signal degradation.
M
Maya Flynn
5
Durable transceiver for enterprise-grade networks.
N
Noah Pierce
5
Stable throughput and reliable long-distance connections.
Questions & Answers
What is the GLC-BX40-U-I= 1000BASE-BX40 SFP 1310nm module?
The GLC-BX40-U-I= is a Cisco-compatible single-mode SFP transceiver that delivers 1 Gbps Ethernet over a single fiber up to 40 km at a 1310 nm wavelength.
What maximum link distance does the 1000BASE-BX40 SFP support?
The 1000BASE-BX40 SFP supports up to 40 km of single-mode fiber connectivity at 1310 nm under standard conditions.
Which fiber type is required for the GLC-BX40-U-I= module?
The GLC-BX40-U-I= requires standard single-mode fiber (SMF) with an LC simplex connector for operation.
What wavelength does the 1000BASE-BX40 operate on?
The 1000BASE-BX40 transceiver operates at a 1310 nm transmit wavelength and 1490 nm receive wavelength in a BiDi configuration.
Is the GLC-BX40-U-I= module single-mode or multi-mode?
The GLC-BX40-U-I= is a single-mode (SMF) SFP transceiver designed for long-distance Ethernet links.
What data rate does the 1000BASE-BX40 SFP support?
The 1000BASE-BX40 SFP supports a data rate of 1 Gbps (Gigabit Ethernet).
Which devices are compatible with the GLC-BX40-U-I= SFP?
The module is compatible with Cisco switches and routers that support Cisco-branded or third-party 1 Gbps SFP transceivers.
How does 1000BASE-BX40 differ from 1000BASE-LX?
Unlike 1000BASE-LX, which uses dual fibers, 1000BASE-BX40 uses a single fiber BiDi design to transmit at 1310 nm and receive at 1490 nm over 40 km.
Can I use the GLC-BX40-U-I= for single-fiber installations?
Yes, the 1000BASE-BX40 SFP is designed for single-fiber BiDi installations, reducing cabling costs and fiber count.
What temperature range does the GLC-BX40-U-I= support?
The GLC-BX40-U-I= operates reliably from 0 °C to 70 °C (32 °F to 158 °F).
Does the 1000BASE-BX40 SFP support Digital Diagnostics Monitoring (DDM)?
Yes, the SFP module supports IEEE 802.3z compliant DDM for real-time monitoring of temperature, voltage, and optical power.
Is the GLC-BX40-U-I= hot-swappable?
Yes, the 1000BASE-BX40 SFP module is hot-pluggable, allowing insertion or removal without powering down the host device.
What is the power consumption of the 1000BASE-BX40 SFP?
The GLC-BX40-U-I= has a typical power consumption of 0.8 W, optimizing energy efficiency for Ethernet links.
How do I install the GLC-BX40-U-I= module?
To install, insert the SFP into an open SFP port until it clicks, then attach the single-mode fiber with LC connectors.
Does the GLC-BX40-U-I= support link fault pass-through?
Yes, it supports link fault pass-through (LFP) to propagate link failures between the optical and electrical interfaces.
Where can I purchase the GLC-BX40-U-I= 1000BASE-BX40 SFP?
You can order the GLC-BX40-U-I= from authorized Cisco resellers, leading network equipment distributors, or our official online store.