Brand: Cisco (or Compatible) · SKU: GLC-BX40-U-I · MPN: GLC-BX40-U-I · Category: Networking
The GLC-BX40-U-I is a Cisco SFP transceiver module designed for 1000BASE-BX40 operation over single-strand Standard Single-Mode Fiber (SMF). It uses a bidirectional (BiDi) design with a transmit wavelength of 1310 nm (TX) and a receive wavelength of 1550 nm (RX) to achieve an operating transmission range of up to 40 km. It features an LC/PC single-mode connector and supports Digital Optical Monitoring (DOM) functions for real-time monitoring of optical output power, input power, temperature, laser bias current, and supply voltage. It is typically used in Gigabit Ethernet and Fiber Channel applications for long-range, single-fiber connectivity. Compatible with Cisco equipment and adheres to SFF-8472 MSA standards. Compatible modules often support industrial temperature ranges (-40°C to +85°C) and 1.25 Gbps data rates.
| Features | Digital Optical Monitoring (DOM) support, Bi-Directional (BiDi) |
|---|---|
| Data Rate | 1 Gbps (1000BASE-BX40) |
| Compliance | SFF-8472 MSA, IEEE 802.3ah (for OEM) |
| Fiber Type | Single-Mode Fiber (SMF) |
| Device Type | SFP (mini-GBIC) transceiver module |
| Connector Type | LC/PC single-mode |
| Wavelength (TX/RX) | 1310 nm (TX) / 1550 nm (RX) |
| Max Transfer Distance | 40KM |
| Operating Temperature | 32 – 158°F (0°C to 70°C for OEM, Industrial models may be -40°C to +85°C) |
| Warranty | Not Available (Lifetime Replacement for compatible versions) |
| Weight | 2.65 oz (or approx. 75g for compatible models) |
| Dimensions | 0.5 × 2.2 × 0.3 in (or 8.5 x 13.4 x 56.5mm for compatible models) |
The GLC-BX40-U-I is a 1G SFP transceiver for single-fiber, bidirectional Gigabit Ethernet links up to 40km. It uses 1310nm for transmit and 1550nm for receive, connecting via a single LC connector. It supports DOM for monitoring key operating parameters.
Yes, this Cisco GLC-BX40-U-I 1000BASE-BX40 SFP Transceiver Module (GLC-BX40-U-I) is 100% genuine Cisco (or Compatible) hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Cisco GLC-BX40-U-I 1000BASE-BX40 SFP Transceiver Module includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the GLC-BX40-U-I.