Description
The Cisco GLC-BX40-U-I is an industrial-grade 1000BASE-BX SFP transceiver designed for long-range, single-fiber Gigabit Ethernet deployments. Operating over a single strand of single-mode fiber, this upstream (U) bidirectional module supports distances of up to 40 km, making it ideal for service provider, utility, transportation, and industrial network environments.
This SFP uses wavelength-division multiplexing (WDM) technology, transmitting at 1310 nm and receiving at 1490 nm, and must be paired with a compatible downstream (D) BX40 module on the opposite end of the link. With an extended industrial temperature range and Digital Optical Monitoring (DOM) support, the GLC-BX40-U-I delivers reliable performance and real-time optical diagnostics in harsh operating conditions.
| Specification | Details |
|---|---|
| Brand | Cisco |
| Model | GLC-BX40-U-I |
| Form Factor | SFP |
| Data Rate | 1 Gbps |
| Standard | 1000BASE-BX |
| Fiber Type | Single-Mode Fiber (SMF) |
| Fiber Count | Single Fiber (BiDi) |
| Maximum Distance | 40 km |
| Transmit Wavelength | 1310 nm |
| Receive Wavelength | 1490 nm |
| Connector Type | LC |
| Bidirectional Type | Upstream (U) |
| Digital Optical Monitoring (DOM) | Supported |
| Operating Temperature | Industrial: -40°C to +85°C |
| Typical Power Consumption | ≤ 1 W |
| Hot Swappable | Yes |
| Compatibility | Cisco switches and routers supporting BX SFPs |
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Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
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