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48-unit GLC-FE-100FX pack provides consistent Fast Ethernet performance across multiple ports.
GLC-FE-100FX48
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48 units of GLC-FE-100FX
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GLC-FE-100FX48 Overview
GLC-FE-100FX48 is an SFP optical transceiver engineered specifically for 100BASE-FX Ethernet applications, delivering a reliable 100 Mbps data rate over fiber. It comes equipped with LC duplex connectors and is optimized for short-range transmission, making it a solid choice for enterprise networks, data centers, and telecom infrastructures.
GLC-FE-100FX48 features a compact SFP form factor with physical dimensions that allow for seamless integration into existing network equipment. Adhering closely to Ethernet standards, this transceiver ensures robust signal integrity and stability over multimode fiber links for local-area networking environments.
GLC-FE-100FX48 price is is available on request. Get immediate quote.
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GLC-FE-100FX48 Specifications
- Power Consumption
- N/A
- Weight
- N/A
- Height
- N/A
- Depth
- N/A
- Width
- N/A
- Product Type
- Transceiver
- Transmission Distance
- Short-Range
- Fiber Type
- Multi-mode
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Connector Type
- LC Duplex
- Form Factor
- SFP
- Compatibility
- Cisco
- Data Rate
- 100 Mbps
- Wavelength
- 1300 nm
- Max Distance
- 2000 m
- Product Name
- GLC-FE-100FX48
GLC-FE-100FX48 Use Case
Enterprise Data Center High-Density 100BASE-FX Aggregation
In a large cloud-hosting environment, IT teams deploy GLC-FE-100FX48-48 fiber transceivers in core aggregation switches to support 48 simultaneous 100BASE-FX links over multimode fiber. This high-density deployment maximizes port utilization, delivers ultra-low latency and error-free 100 Mbps throughput, and simplifies fiber cabling — ensuring 99.999% data center uptime and streamlined network management.
Campus Network Backbone Resiliency for Multi-Building Connectivity
A university networking department installs GLC-FE-100FX48-48 modules across edge switches in 12 campus buildings to create a redundant 100BASE-FX backbone over multimode fiber. By leveraging 48 fiber links with built-in link-loss monitoring, this solution extends reach up to 2 km, minimizes electromagnetic interference and delivers seamless failover — boosting network availability and supporting e-learning, VoIP and IoT applications campus-wide.
Industrial Automation Secure Fiber Link for SCADA and PLC Systems
A manufacturing plant integrates GLC-FE-100FX48-48 transceivers into its industrial Ethernet switches to connect PLCs, SCADA servers and remote I/O racks over fiber. The 100BASE-FX modules eliminate EMI risk, offer 48-port scalability and enable cable runs up to 2 km in harsh environments. The result is enhanced operational continuity, real-time process monitoring and improved data integrity across the production line.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| GLC-FE-100FX48 |  GLC-ZX-SM-RGD |  GLC-FE-100BX-U= |  SFP-OC3-MM |  GLC-FE-100LX48= | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Data Rate | 100 Mbps | 1G | 100 Mbps | OC-3 | 100M |
| Connector Type | LC Duplex | LC | LC | LC | LC |
| Wavelength | 1300 nm | 1550 nm | 1310 nm | 850nm | 1310 nm |
| Transmission Distance | Short-Range | Long-Range | Long-Range | Short-Range | Long-Range |
| Fiber Type | Multi-mode | Single-mode | Single-mode | Multi-mode | Single-mode |
| Max Distance | 2000 m | 80 km | 10 km | 300 meters | 10 km |
| Supported Protocols | Ethernet | Ethernet, Fibre Channel | Ethernet | SONET/SDH | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | N/A | 1.2W | N/A | N/A | N/A |
| 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 | Cisco, Juniper, Huawei, Arista | Cisco |
| Product Name | GLC-FE-100FX48 | GLC-ZX-SM-RGD | GLC-FE-100BX-U= | SFP-OC3-MM | GLC-FE-100LX48= |
| Height | N/A | 0.3 inches | N/A | 0.28 inches | N/A |
| Width | N/A | 0.87 inches | N/A | 0.55 inches | N/A |
| Depth | N/A | 1.75 inches | N/A | 0.35 inches | N/A |
| Weight | N/A | 0.1 lbs | N/A | 0.1 lbs | N/A |
Reviews & Ratings
U
Umar Royce
4
Professional-grade, easy deployment, minimal signal loss.
V
Vivian Rhodes
4
Durable and reliable for large-scale enterprise deployments.
W
Wesley Frost
4
Stable throughput with minimal errors.
X
Xander Blake
4
Ideal for backbone fiber networks and multiple SFP installations.
Questions & Answers
What is the GLC-FE-100FX?
The GLC-FE-100FX is a Cisco SFP transceiver module that delivers 100 Mbps Fast Ethernet connectivity over multi-mode fiber with an LC duplex interface and a 2 km link length.
What does SKU GLC-FE-100FX48 include?
The SKU GLC-FE-100FX48 includes 48 units of Cisco GLC-FE-100FX 100Base-FX SFP transceiver modules, packaged for bulk deployment and rapid installation.
Which fiber cable type is supported by the GLC-FE-100FX?
The GLC-FE-100FX supports 50/125 µm multi-mode fiber (MMF) with an LC duplex connector, optimized for 100Base-FX performance.
What connector does the GLC-FE-100FX use?
The GLC-FE-100FX uses a standardized LC duplex connector to provide a secure, compact interface for fiber-optic connections.
What is the maximum cable distance for the GLC-FE-100FX?
The GLC-FE-100FX supports a maximum fiber link length of 2 kilometers over 50/125 µm multi-mode fiber at 100 Mbps.
Is the GLC-FE-100FX compatible with Cisco switches and routers?
Yes. The GLC-FE-100FX is fully compatible with Cisco Catalyst switches and Integrated Services Routers (ISR) that feature SFP ports supporting 100Base-FX transceivers.
How do I install the GLC-FE-100FX in my network device?
To install, power down the device, insert the GLC-FE-100FX into the SFP port until the latch engages, connect the LC fiber cable, then power up the device.
Can I mix GLC-FE-100FX modules with other SFP transceivers?
Mixing different SFP types is not recommended. All transceivers in a link must match in type, wavelength, and fiber mode to maintain stability.
What is the power consumption of the GLC-FE-100FX?
The GLC-FE-100FX consumes approximately 0.8 Watts, making it an energy-efficient option for Fast Ethernet fiber connections.
What operating temperature range does the GLC-FE-100FX support?
The GLC-FE-100FX operates reliably from 0 °C to 70 °C (32 °F to 158 °F) under standard commercial operating conditions.
Does the GLC-FE-100FX48 bundle include a warranty?
Yes. The GLC-FE-100FX48 bundle is covered by Cisco’s one-year limited warranty, which provides replacement for manufacturing defects.
How can I troubleshoot link issues with the GLC-FE-100FX?
Verify fiber polarity, ensure LC connectors are fully seated, inspect cables for damage, and use 'show interfaces' or 'show sfp detail' to check module status.
Can GLC-FE-100FX modules operate over single-mode fiber?
No. The GLC-FE-100FX is designed exclusively for multi-mode fiber; single-mode operation requires a dedicated single-mode SFP module.
What data transfer rate does the GLC-FE-100FX support?
The GLC-FE-100FX supports a fixed data transfer rate of 100 Mbps (Fast Ethernet) over fiber-optic links.
How do I verify that the GLC-FE-100FX is functioning correctly?
Run 'show interfaces status' or 'show sfp detail' on your Cisco device to confirm link status, module model, and RX/TX optical levels.
Which certification standards does the GLC-FE-100FX meet?
The GLC-FE-100FX complies with IEEE 802.3u for 100Base-FX Ethernet and meets RoHS environmental safety standards.
How does the GLC-FE-100FX ensure reliable network performance?
The GLC-FE-100FX delivers low-latency 100 Mbps connectivity with integrated diagnostics and strict IEEE 802.3u compliance for stable fiber links.