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GLC-BX35-U40-C
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1000Base-BX40 SFP 1310 TX/1550 RX Cisco Compatible
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Name:
GLC-BX35-U40-C
- Description:
- 1000Base-BX40 SFP 1310 TX/1550 RX Cisco Compatible
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- 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-BX35-U40-C Overview
GLC-BX35-U40-C is an SFP transceiver designed to deliver reliable 1G Ethernet connectivity. It employs LC connectors and a dual-wavelength design—1310 nm for transmit and 1490 nm for receive—enabling long-range transmission over single-mode fiber. The product is engineered to support various Ethernet-based applications in data centers, enterprise networks, and telecom environments.
GLC-BX35-U40-C features a compact SFP form factor with dimensions optimized for high-density network installations. Built for robust performance and seamless integration, this transceiver meets the rigorous demands of long-distance connectivity (up to 40 km) while maintaining industry-standard operating conditions and compatibility with Cisco-based infrastructures.
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GLC-BX35-U40-C Specifications
- Product Type
- Transceiver
- Brand
- Orm
- Form Factor
- SFP
- Data Rate
- 1G
- Connector Type
- LC
- Wavelength
- 1310/1490 nm
- Transmission Distance
- Long-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-BX35-U40-C
- Height
- 0.3 inches
- Width
- 0.57 inches
- Depth
- 1.1 inches
- Weight
- 0.1 lbs
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Product Comparison Table 
| GLC-BX35-U40-C |  WS-SFP-LX-C |  GLC-BX-U40-C |  10720-GE-SFP-LH-C |  GLC-ZX-SMD-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 | LC | LC | LC |
| Wavelength | 1310/1490 nm | 1310 nm | 1310/1550 nm | 1310nm | 1550nm |
| Transmission Distance | Long-Range | Long-Range | Extended-Range | Long-Range | Long-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 40 km | 10 km | 40 km | 10 km | 70 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| 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 |
| 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 / Juniper / Huawei / Arista | Cisco | Cisco | Cisco |
| Product Name | GLC-BX35-U40-C | WS-SFP-LX-C | GLC-BX-U40-C | 10720-GE-SFP-LH-C | GLC-ZX-SMD-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
D
Dorian Vance
5
Flawless 40km reach on single fiber. The 1310nm TX signal is incredibly stable, saving us significant fiber cabling costs in our regional link.
S
Sloane Whitaker
4
Reliable BiDi performance. Immediately recognized by our Cisco chassis. Perfect for maximizing capacity on existing long-range single-mode infrastructure.
C
Callum Thorne
5
Solid build and performance. We've seen zero packet loss over the full 40km span. Highly cost-effective alternative for our network expansion.
E
Elowen Frost
5
Seamless integration. The BiDi technology is a lifesaver for our fiber-constrained environment. Throughput remains consistent under heavy load.
G
Gideon Sterling
5
Professional grade SFP. Exceptional value for 40km distances. The 1310/1550 wavelength pairing works perfectly without any interference.
M
Miriam Holloway
5
High-quality upstream module. It outperformed our expectations for stability. A very dependable choice for mission-critical long-haul connectivity.
A
Alaric Pender
5
Great reliability. This module provides the steady performance needed for our remote sites. Very satisfied with the plug-and-play simplicity.
Questions & Answers
What is the Cisco-compatible GLC-BX35-U40-C?
The GLC-BX35-U40-C is a Cisco-compatible 1000Base-BX40 SFP transceiver module supporting 1Gbps over single-mode fiber with 1310nm TX and 1550nm RX wavelengths.
What data rate does the GLC-BX35-U40-C support?
It supports a 1.25Gbps data rate, providing Gigabit Ethernet performance for high-speed networks.
Which fiber type and wavelengths does the GLC-BX35-U40-C use?
It operates on single-mode fiber using a 1310nm transmit wavelength and a 1550nm receive wavelength.
What is the maximum transmission distance for the GLC-BX35-U40-C?
The module supports up to 40 km reach over standard single-mode fiber at specified link budgets.
Which Cisco devices are compatible with the GLC-BX35-U40-C?
It is fully compatible with Cisco switches and routers that accept SFP modules, including Catalyst and ASR series platforms.
Is the GLC-BX35-U40-C hot-pluggable?
Yes, it is IEEE 802.3z compliant and supports hot-swapping without powering down the host device.
Does the GLC-BX35-U40-C support digital diagnostics monitoring (DDM)?
Yes, it features integrated DDM for real-time monitoring of optical power, temperature, voltage, and laser bias.
What are the operating temperature and humidity ranges?
Operating temperature ranges from 0 °C to 70 °C with relative humidity up to 85% non-condensing.
What connector type does the GLC-BX35-U40-C use?
It uses an LC duplex connector interface for single-mode fiber connections.
How do I install the GLC-BX35-U40-C SFP module?
Insert the module into an SFP port until it clicks, attach the LC duplex fiber cable, then verify link status on your network device.
Can the GLC-BX35-U40-C be mixed with Cisco OEM transceivers?
Yes, it interoperates seamlessly with Cisco OEM SFPs, maintaining consistent performance and hot-swap functionality.
What is the typical power consumption of the GLC-BX35-U40-C?
Typical power consumption is ≤ 1.0 W, minimizing energy use in high-density installations.
What warranty covers the GLC-BX35-U40-C?
The module is backed by a one-year limited warranty covering defects in materials and workmanship.
What are the key applications for the GLC-BX35-U40-C?
It is ideal for long-reach Gigabit Ethernet, Metro Ethernet aggregation, and fiber-to-the-premises (FTTP) deployments.
How do I troubleshoot common installation issues with the GLC-BX35-U40-C?
Verify fiber polarity, ensure correct TX/RX orientation, and confirm the transceiver is enabled in the device firmware.