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1000BASE-BX SFP delivers reliable single-fiber duplex connectivity. Stable performance for enterprise deployments.
GLC-BX-D=
1000BASE-BX SFP, 1490NM
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GLC-BX-D=
1000BASE-BX SFP, 1490NM
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GLC-BX-D= is a 1G SFP transceiver designed for Ethernet applications that delivers reliable connectivity in enterprise networks, data centers, and telecom environments. It features an LC connector and utilizes single-mode fiber to achieve long-range transmission, up to 10 km, helping organizations optimize their network links using a bidirectional architecture.
GLC-BX-D= supports Ethernet protocols in a compact SFP form factor engineered for easy integration into existing hardware. Its design is targeted for environments requiring robust performance over extended distances, making it an ideal solution for modern network infrastructures.
GLC-BX-D= price is $242.10, a 85% saving from the Cisco list price of $1,614.00. GLC-BX-D= is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for GLC-BX-D= for additional pricing. Browse the full Sfp+ For 3000 Series series or explore all Cisco products.
An Internet Service Provider deploys the GLC-BX-D=-1000BASE-BX SFP (1490 nm) to extend Gigabit Ethernet over a single fiber strand between its headend and remote distribution cabinets. By leveraging bi-directional transmission at 1490 nm, the ISP eliminates the need for dual-fiber infrastructure, cuts fiber leasing costs by up to 50%, and delivers consistent 1 Gbps bandwidth to underserved neighborhoods. Benefit: Reliable, cost-effective last-mile broadband extension that scales with customer demand.
A university network team connects multiple academic buildings over a legacy single-strand fiber link using the GLC-BX-D=-1000BASE-BX SFP (1490 nm). This bi-directional module transports 1 Gbps Ethernet traffic on one fiber, maximizing existing cabling assets and accelerating deployment. Outcome: Seamless, low-latency backbone that supports high-resolution video lectures, VoIP and research data transfer without new fiber installation.
An automotive manufacturer implements the GLC-BX-D=-1000BASE-BX SFP (1490 nm) to link remote PLCs and edge-computing nodes across its production floor using a single optical fiber. The 1 Gbps bi-directional link ensures real-time telemetry and deterministic control signals with minimal electromagnetic interference. Benefit: Enhanced operational visibility, reduced cabling complexity, and rapid fault isolation for zero-downtime manufacturing workflows.
To get the detailed certification, please go to the Compliance Center.
 GLC-BX-D= |  DWDM-SFP-4373= |  CWDM-SFP-1610= |  DWDM-SFP-3112= |  DWDM-SFP-5575= | |
|---|---|---|---|---|---|
| Compatibility | Cisco | Cisco, Juniper, Huawei | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 1G | 10G | 1G | 10G | 1G |
| Depth | N/A | 1.00 inches | N/A | N/A | N/A |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Height | N/A | 0.66 inches | N/A | N/A | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 10 km | 80 km | 80 km | 80 km | 80 km |
| 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 |
| Power Consumption | N/A | 1.5 W | N/A | 1.5 W | N/A |
| Product Name | Cisco GLC-BX-D= | DWDM-SFP-4373= | CWDM-SFP-1610= | DWDM-SFP-3112= | DWDM-SFP-5575= |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet, Fibre Channel |
| Transmission Distance | Long-Range | Long-Range | Extended-Range | Long-Range | Long-Range |
| Wavelength | 1490nm (Tx) / 1310nm (Rx) | 1550 nm | 1610 nm | 1550 nm | 1550 nm |
| Weight | N/A | 0.2 lbs | N/A | N/A | N/A |
| Width | N/A | 2.00 inches | N/A | N/A | N/A |
1000BASE-BX SFP delivers reliable single-fiber duplex connectivity. Stable performance for enterprise deployments.
Professional-grade optics with minimal error rates.
Easy installation and reliable throughput.
Durable module for campus and metro fiber links.
Maintains consistent performance under full load.
The Cisco GLC-BX-D= is a single-fiber, bidirectional 1000BASE-BX SFP transceiver module transmitting at 1490 nm and receiving at 1310 nm for Gigabit Ethernet applications.
The GLC-BX-D= supports single-mode links up to 10 km over a single strand of fiber at 1490 nm wavelength.
Yes. The GLC-BX-D= SFP module is hot-swappable, allowing insertion or removal without powering down the host device.
The GLC-BX-D= is compatible with any Cisco or third-party switch, router, or media converter that supports 1000BASE-BX SFP modules.