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GLC-BX40-U-I-C
1000BASE-BX40-U SFP 40km Single-Fiber Cisco Compatible
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Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
GLC-BX40-U-I-C is an SFP optical transceiver engineered for 1G Ethernet applications over single-mode fiber, using LC connectors. Designed for long-range transmission, it supports up to 40 km on a single strand through bidirectional wavelength operation, making it ideal for data center, enterprise, and telecom network deployments.
Built in a compact SFP form factor with industry-standard physical dimensions, the module integrates seamlessly into a range of networking environments. It adheres to Ethernet protocols and offers robust performance, ensuring reliable long-haul connectivity and compatibility with Cisco systems.
GLC-BX40-U-I-C price is is available on request. Get immediate quote.
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| GLC-BX40-U-I-C |  GLC-ZX-SM-RGD-C |  SFP-GE-L-C |  GLC-LH-SM-C |  GLC-BX40-D-I-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 | 1490 nm / 1310 nm | 1310 nm | 1310nm | 1310 nm | 1490/1310 nm |
| Transmission Distance | Long-Range | Long-Range | Long-Range | Long-Range | Extended-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 40 km | 70 km | 10 km | 10 km | 40 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 | Cisco, Juniper, Huawei, Arista | Cisco | Cisco |
| Product Name | GLC-BX40-U-I-C | GLC-ZX-SM-RGD-C | SFP-GE-L-C | Cisco GLC-LH-SM-C | GLC-BX40-D-I-C |
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.
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.
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.
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.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reliable 40km industrial upstream. The 1310nm signal remains clear and stable through massive heat.
Top-tier rugged BiDi. Seamlessly pairs with D-I modules for efficient 40km single-fiber networking.
Exceptional performance at range. Our network uptime has improved since deploying these industrial units.
Professional grade stability. These transceivers offer the enterprise-level reliability required for remote industrial sites.
Consistent and fast. They handle the task of long-range data transmission with impressive ease.
Strong and steady. These 40km industrial transceivers deliver impressive performance for regional connectivity.
Dependable long-range hardware. Integration with our Cisco switches was seamless and the performance perfect.
High-quality industrial SFP. The best choice for long-distance single-fiber communication in harsh environments.
The GLC-BX40-U-I-C supports 1 Gbps full-duplex data transfer, compliant with IEEE 802.3z 1000BASE-BX standards.
This SFP transceiver reaches up to 40 km over single-mode fiber at standard attenuation.
It requires single-mode fiber (SMF) with an LC connector interface.
The module uses duplex LC connectors for easy plug-and-play installation.
It transmits at 1550 nm and receives at 1310 nm to enable single-fiber bidirectional operation.
Yes, it’s fully compatible with Cisco switches and routers that support Cisco GLC-BX40-U modules.
Yes, the module supports hot-swapping for zero-downtime maintenance.
Yes, it features Digital Diagnostic Monitoring (DDM) for real-time monitoring of optical performance.
The operating range is 0 °C to 70 °C (32 °F to 158 °F) for standard environments.
It adheres to the SFP MSA (Multi-Source Agreement) specification for broad compatibility.
Yes, it meets RoHS 6/6 standards for hazardous substance reduction.
The module consumes a maximum of 1 W, ensuring efficient power usage.
Simply insert the module into any compatible SFP slot; no special configuration is required.
It supports IEEE 802.3z 1000BASE-BX and SFP MSA protocols for interoperability.
No, it’s plug-and-play; the host device automatically recognizes and configures the transceiver.
The full model number is GLC-BX40-U-I-C, denoting a 40 km single-fiber Cisco-compatible SFP.
United States
