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GLC-FE-100LX-C
100Base-LX SFP for FE Port Cisco Compatible
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GLC-FE-100LX-C is an SFP-based fiber-optic transceiver designed specifically for fast Ethernet applications. It supports a 100 Mbps data rate using LC fiber connectors, operates over long-range distances up to 10 km on single-mode fiber, and follows Ethernet protocols for reliable network connectivity in environments such as data centers, enterprise networks, and telecom infrastructures.
This compact transceiver adheres to the SFP form factor with dimensions as specified by Cisco documentation, ensuring seamless integration into existing hardware platforms. Its design and operating characteristics—including a 1310 nm wavelength, 0 to 70°C operating range, and compatibility with Cisco systems—make it an ideal choice for network deployments requiring dependable fast Ethernet performance.
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| GLC-FE-100LX-C |  GLC-FE-100ZX-C |  GLC-FE-100FX-C |  GLC-FE-100BX-D40-C |  GLC-FE-100EX-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Data Rate | 100 Mbps | 1G | 100 Mbps | 1G | 100M |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1310 nm | 1310 nm | 1300 nm | 1270/1330 nm | 1310 nm |
| Transmission Distance | Long-Range | Long-Range | Short-Range | Long-Range | Extended-Range |
| Fiber Type | Single-mode | Single-mode | Multi-mode | Single-mode | Single-mode |
| Max Distance | 10 km | 10 km | 2000 meters | 40 km | 10 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 1.5W | 1.5W | N/A | N/A | 1.0 W |
| 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 | Cisco |
| Product Name | Cisco GLC-FE-100LX-C | GLC-FE-100ZX-C 1000BASE-LX SFP Transceiver | GLC-FE-100FX-C 100BASE-FX SFP Transceiver | GLC-FE-100BX-D40-C | GLC-FE-100EX-C |
| Height | N/A | 0.65 inches | N/A | N/A | N/A |
| Width | N/A | 0.90 inches | N/A | N/A | N/A |
| Depth | N/A | 1.64 inches | N/A | N/A | N/A |
| Weight | N/A | 0.08 lbs | N/A | N/A | N/A |
Excellent 100Base-LX performance on single-mode fiber. This module provides a reliable link for our mid-range Fast Ethernet connections. Seamless Cisco integration.
Consistent and solid signaling. These LX SFPs are perfect for bridging distances our FX modules can't reach. Rock-solid stability on single-mode fiber.
Professional quality for FE ports. Recognized instantly by our Catalyst switches. Throughput is steady and the signal clarity is outstanding for LX connections.
Reliable and robust. These 100Base-LX modules have been performing flawlessly in our production environment. A cost-effective and dependable fiber solution.
Steady performance for our single-mode fiber links. Easy to deploy and fully compatible with our Cisco hardware. Great choice for long-term reliability.
The GLC-FE-100LX-C is a Cisco-compatible, 100 Mbps fiber-optic SFP module designed for FE ports, delivering reliable single-mode transmission up to 10 km.
It uses single-mode OS1/OS2 fiber with LC duplex connectors for 100Base-LX links, ensuring low-loss, high-quality transmission.
This SFP supports up to 10 km over single-mode fiber; with a mode-conditioning cable on multimode fiber, it reaches 550 m.
The module operates at a nominal wavelength of 1310 nm for optimal 100Base-LX performance.
Yes, the module fully supports hot-swap capability, enabling insertion or removal without powering down the switch.
It is compatible with any Cisco switch FE-rated SFP slot, including Catalyst, ISR and Nexus series supporting 100Base-LX.
Yes, it complies with SFF-8472 DOM, providing real-time diagnostics for optical power, temperature and module status.
Operating range: 0 °C to 70 °C, storage: –40 °C to 85 °C, up to 85% non-condensing humidity.
Simply insert it into a compatible SFP slot until it clicks, then configure the port for 100Base-LX in your switch OS.
It meets IEEE 802.3u 100Base-LX, SFF-8472 DOM and RoHS 6/6 standards for safety and environmental compliance.
Yes, it interoperates with many third-party switches that accept Cisco-style SFP modules, ensuring broad compatibility.
Typical power draw is under 0.8 W, minimizing energy use while delivering stable 100 Mbps connectivity.
Use your switch’s diagnostic commands to check link status, DOM readings and optical receiver/transmitter power levels.
Yes, it comes with a limited lifetime warranty covering manufacturing defects and performance issues.
With a mode-conditioning cable, it supports multimode fiber up to 550 m at 1310 nm for short-reach links.
It delivers cost-effective, Cisco-compatible fiber connectivity with hot-swappable design, low power consumption and real-time DOM monitoring.
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