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1000BASE-BX SFP delivers reliable single-fiber duplex connectivity. Stable performance for enterprise deployments.
GLC-BX-D=
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1000BASE-BX SFP, 1490NM
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GLC-BX-D=
- Description:
- 1000BASE-BX SFP, 1490NM
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- Brand:
- Cisco
- GTIN:
- 4063403258115
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- Warranty:
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- List Price:
$1,614.00
- Price:
$242.1085% off
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GLC-BX-D= Overview
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.
GLC-BX-D= Specifications
- Product Type
- Transceiver
- Form Factor
- SFP
- Data Rate
- 1G
- Connector Type
- LC
- Wavelength
- 1490nm (Tx) / 1310nm (Rx)
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 10 km
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Power Consumption
- N/A
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco
- Product Name
- Cisco GLC-BX-D=
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
GLC-BX-D= Use Case
High-Speed ISP Last-Mile Extension with GLC-BX-D=-1000BASE-BX SFP (1490 nm)
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.
Campus Inter-Building Backbone Connectivity Using Single-Fiber 1490 nm SFP
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.
Industrial IoT Data Aggregation in Smart Manufacturing Plants
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.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 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 |
Reviews & Ratings
E
Ethan Steele
5
Professional-grade optics with minimal error rates.
S
Selena Rhodes
4
Easy installation and reliable throughput.
H
Harlan Bennett
4
Durable module for campus and metro fiber links.
T
Talia Pierce
4
Maintains consistent performance under full load.
Questions & Answers
What is the Cisco GLC-BX-D= 1000BASE-BX SFP, 1490 nm?
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.
Which distance does the GLC-BX-D= support?
The GLC-BX-D= supports single-mode links up to 10 km over a single strand of fiber at 1490 nm wavelength.
Is the GLC-BX-D= SFP hot-swappable?
Yes. The GLC-BX-D= SFP module is hot-swappable, allowing insertion or removal without powering down the host device.
What interfaces are compatible with GLC-BX-D=?
The GLC-BX-D= is compatible with any Cisco or third-party switch, router, or media converter that supports 1000BASE-BX SFP modules.
What wavelength does the GLC-BX-D= transmit and receive?
The GLC-BX-D= transmits at 1490 nm and receives at 1310 nm over a single-mode fiber strand.
Can I mix GLC-BX-D= and GLC-BX-U= modules?
Yes. You must pair the GLC-BX-D= (1490 nm TX/1310 nm RX) with the GLC-BX-U= (1310 nm TX/1490 nm RX) for bidirectional communication.
What operating temperature range does the GLC-BX-D= support?
The GLC-BX-D= operates reliably from 0 °C to 70 °C (32 °F to 158 °F), covering standard commercial temperature requirements.
Does the GLC-BX-D= support Digital Optical Monitoring (DOM)?
Yes. The GLC-BX-D= supports SFF-8472 DOM for real-time monitoring of optical power, temperature, voltage, and laser bias current.
What form factor is the GLC-BX-D=?
The GLC-BX-D= uses the industry-standard SFP (Small Form-Factor Pluggable) form factor, compatible with 1 G Ethernet ports.
How do I install the GLC-BX-D= module?
To install, insert the GLC-BX-D= into a compatible SFP port until it clicks, then connect the single-mode fiber cable to the LC duplex connector.
What certifications does the GLC-BX-D= have?
The GLC-BX-D= is Telcordia GR-468-CORE qualified and compliant with RoHS, CE, FCC, and UL safety and environmental standards.
What is the power consumption of the GLC-BX-D=?
The GLC-BX-D= consumes less than 1 W of power, ensuring energy-efficient operation in high-density deployments.
Is the GLC-BX-D= backward compatible with 100 Mbps links?
No. The GLC-BX-D= is strictly designed for 1 Gbps (1000BASE-BX) operation and does not support 100 Mbps speeds.
Can the GLC-BX-D= module be used in CWDM networks?
No. The GLC-BX-D= uses a fixed 1490 nm wavelength and is not compatible with CWDM wavelength-division multiplexing systems.
What fiber connector does the GLC-BX-D= use?
The GLC-BX-D= uses a duplex LC connector over single-mode fiber for optimal insertion loss and return loss performance.
What applications are ideal for the GLC-BX-D=?
The GLC-BX-D= is ideal for point-to-point Gigabit Ethernet links, metro access, enterprise WANs, and fiber-to-the-home deployments.