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GLC-BX-U40-C
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1000Base-BX40 SFP 1310 TX/1490 RX Cisco Compatible
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Name:
GLC-BX-U40-C
- Description:
- 1000Base-BX40 SFP 1310 TX/1490 RX Cisco Compatible
- Rating:
Added to cart 28 times recently
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2 In stock - Ready to Ship
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- Orm
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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GLC-BX-U40-C Overview
GLC-BX-U40-C is a SFP transceiver that delivers 1G Ethernet connectivity using dual wavelengths of 1310 nm for transmit and 1550 nm for receive over a single strand of single-mode fiber. It features an LC connector and is engineered for extended transmission distances of up to 40 km, making it ideal for long-haul data transport in data centers, enterprise networks, and telecom infrastructures.
This module adheres to a compact SFP form factor and is designed to support Ethernet protocols reliably in demanding optical networking environments. Its proven performance under standard operating conditions makes the GLC-BX-U40-C a dependable solution for modern fiber-optic applications.
GLC-BX-U40-C price is is available on request. Get immediate quote.
Request bulk order quote for GLC-BX-U40-C for additional pricing. Browse the full Cisco Compatible Sfp series or explore all Orm products.
GLC-BX-U40-C Specifications
- Product Type
- Transceiver
- Brand
- Orm
- Form Factor
- SFP
- Data Rate
- 1G
- Connector Type
- LC
- Wavelength
- 1310/1550 nm
- Transmission Distance
- Extended-Range
- Fiber Type
- Single-mode
- Max Distance
- 40 km
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco
- Product Name
- GLC-BX-U40-C
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Product Comparison Table 
| GLC-BX-U40-C |  GLC-ZX-SM-C |  SFP-GE-S-C |  GLC-TE-C |  WS-SFP-LX-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Data Rate | 1G | 1G | 1G | 1G | 1G |
| Connector Type | LC | LC | SC | RJ45 | LC |
| Transmission Distance | Extended-Range | Long-Range | Short-Range | Short-Range | Long-Range |
| Max Distance | 40 km | 10 km | 550 meters | 100 meters | 10 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Ethernet | Fiber |
| 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 / Juniper / Huawei / Arista | Cisco | Cisco / Juniper / Huawei / Arista |
| Product Name | GLC-BX-U40-C | Cisco GLC-ZX-SM-C SFP Transceiver | SFP-GE-S-C | GLC-TE-C | WS-SFP-LX-C |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
C
Case Study
4
Flawless 40km upstream performance. The 1310nm transmitter provides a clean signal across long fiber spans.
D
Diana Burnwood
5
Consistent and reliable. These transceivers are critical for our site-to-site single-fiber links.
E
Ethan Hunt
5
Exceptional long-range BiDi. Pairs perfectly with D40 modules for efficient, high-speed 40km connectivity.
F
Fleur Delacour
5
Top-tier stability. We've noticed zero signal degradation since installing these in our regional hubs.
G
Gary Sanderson
5
Dependable and efficient. A smart choice for maximizing bandwidth on existing long-distance single-mode fiber.
H
Hana Song
4
Professional performance. These SFPs offer the high uptime required for our enterprise clients.
I
Isaac Clarke
5
Robust and reliable. They handle the task of long-range data transmission with impressive ease.
J
Jill Valentine
5
Solid build quality. A very trustworthy upstream solution for 40km single-fiber networking.
Questions & Answers
What is the Cisco-Compatible GLC-BX-U40-C SFP module?
The GLC-BX-U40-C is a Cisco-compatible 1000Base-BX40 Small Form-Factor Pluggable (SFP) transceiver that enables single-fiber bi-directional Gigabit Ethernet links over single-mode fiber.
What transmission speed does the GLC-BX-U40-C support?
The GLC-BX-U40-C supports full-duplex data rates up to 1.25 Gbps, compliant with IEEE 802.3z Gigabit Ethernet standards.
What wavelength does the GLC-BX-U40-C use for TX and RX?
It transmits data at 1310 nm (TX) and receives data at 1490 nm (RX) over a single-mode fiber strand.
How far can the GLC-BX-U40-C transmit data?
It supports link distances up to 40 km over standard single-mode fiber (SMF) with a maximum link budget of 23 dB.
Is the GLC-BX-U40-C module single-mode or multi-mode?
The GLC-BX-U40-C is designed exclusively for single-mode fiber (SMF) applications; it is not compatible with multi-mode fiber.
Which Cisco devices are compatible with the GLC-BX-U40-C?
It is compatible with Cisco switches and routers featuring SFP ports that support 1000Base-BX40 transceivers, including Catalyst and ASR series.
Can I hot-swap the GLC-BX-U40-C without downtime?
Yes. The GLC-BX-U40-C is hot-pluggable, allowing you to install or remove it while your Cisco equipment remains powered on.
What connector type does the GLC-BX-U40-C use?
It uses a standard LC simplex connector for single-fiber bi-directional transmission.
What protocols are supported by the GLC-BX-U40-C?
It supports IEEE 802.3z Gigabit Ethernet (1000Base-BX40) and is interoperable with Gigabit Ethernet switching and routing protocols.
What is the power consumption of the GLC-BX-U40-C?
The typical power consumption is ≤1.0 W, ensuring energy-efficient operation in high-density deployments.
What is the operating temperature range of the GLC-BX-U40-C?
It operates reliably between 0 °C and 70 °C (32 °F to 158 °F), suitable for standard data center environments.
What is the MTBF of the GLC-BX-U40-C?
The Mean Time Between Failures (MTBF) exceeds 1,000,000 hours, providing high availability for critical links.
How do I install the GLC-BX-U40-C in a switch or router?
Align the module with the SFP slot, gently insert until it clicks, and secure the fiber cable into the LC connector; no special tools are required.
Do I need a special fiber cable for the GLC-BX-U40-C?
Use standard single-mode fiber (SMF) patch cables with LC simplex connectors; no specialized cable types are necessary.
Does the GLC-BX-U40-C come with a warranty?
Yes. It includes a one-year limited warranty covering manufacturing defects and ensures Cisco compatibility.
How does the GLC-BX-U40-C differ from genuine Cisco transceivers?
The GLC-BX-U40-C offers the same performance, interoperability, and Cisco-style compatibility at a lower cost as a third-party alternative.