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GLC-SX-MMD-RGD-C
1000BASE-SX SFP MMF DOM Rugged -40 to +85 Cisco Compatible
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GLC-SX-MMD-RGD-C is a 1G SFP transceiver designed for short-range, multi-mode fiber applications using LC duplex connectors with an 850nm wavelength for optimum optical performance. It supports Ethernet protocols and is ideally suited for data centers, enterprise networks, and telecom infrastructures where reliable and efficient optical connectivity is essential.
This compact SFP module features a well-defined form factor and physical dimensions that allow for flexible integration into a wide range of network equipment. Its design emphasizes robust performance and ease of deployment, ensuring that multi-mode fiber links maintain signal integrity over distances up to 550 meters.
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| GLC-SX-MMD-RGD-C |  GLC-XZX-SMD-C |  GLC-BX-U-C |  GLC-BX-U60-C |  GLC-BX35-U40-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Data Rate | 1G | 1G | 1G | 1G | 1G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 850nm | 1310nm | 1310/1490 nm | 1490 nm (TX) / 1310 nm (RX) | 1310/1490 nm |
| Transmission Distance | Short-Range | Long-Range | Long-Range | Long-Range | Long-Range |
| Fiber Type | Multi-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 550 m | 10 km | 10 km | 60 km | 40 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | N/A | 1.5W | 1.2 W | N/A | N/A |
| Operating Temperature | 0°C to 70°C | 0 to 70°C | 0 to 70°C | 0°C to 70°C | 0 to 70°C |
| Storage Temperature | -40°C to 85°C | -40 to 85°C | -40 to 85°C | -40°C to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | N/A | 3.3V |
| Compatibility | Cisco | Cisco / Juniper / Huawei / Arista | Cisco | Cisco | Cisco |
| Product Name | GLC-SX-MMD-RGD-C | GLC-XZX-SMD-C | Cisco GLC-BX-U-C Bidirectional SFP Transceiver | GLC-BX-U60-C | GLC-BX35-U40-C |
| Height | N/A | 0.24 inches | 0.33 inches | N/A | 0.3 inches |
| Width | N/A | 0.94 inches | 2.23 inches | N/A | 0.57 inches |
| Depth | N/A | 0.68 inches | 0.53 inches | N/A | 1.1 inches |
| Weight | N/A | 0.09 lbs | 0.06 lbs | N/A | 0.1 lbs |
Exceptional ruggedized performance. These modules withstand extreme cabinet temperatures without any signal degradation.
Reliable Cisco compatibility. The DOM monitoring provides critical health data in our outdoor enclosures.
Industrial-grade stability. Perfect for our factory floor networking where standard SFPs usually fail.
Impressive temperature range. We've seen zero downtime since deploying these in our harsh environments.
Solid build quality. The multi-mode fiber link remains stable despite high ambient heat.
High-performance transceiver. Ideal for mission-critical infrastructure requiring ruggedized specs and consistent uptime.
Dependable and robust. These units integrate perfectly with our industrial-grade Cisco switches.
Great reliability for outdoor setups. The wide temperature tolerance is essential for our deployment.
The GLC-SX-MMD-RGD-C is a Cisco-compatible 1 Gbps SFP transceiver for multimode fiber, featuring Digital Optical Monitoring and an industrial-grade temperature range of ‑40 to +85 °C.
It supports 50/125 µm and 62.5/125 µm multimode fiber (MMF) for 850 nm 1000BASE-SX applications.
It delivers up to 550 meters on 50/125 µm MMF and 275 meters on 62.5/125 µm MMF at 1 Gbps.
It operates at 850 nm wavelength, optimized for short-reach Gigabit Ethernet over multimode fiber.
Yes, it includes DOM for real-time monitoring of transmit power, receive power, temperature, and supply voltage.
The module operates reliably from ‑40 °C to +85 °C, making it ideal for industrial and outdoor deployments.
Yes, it is fully compatible with Cisco devices and meets Cisco’s interoperability and performance standards.
Yes, it conforms to industry MSA specifications and interoperates with any MSA-compliant 1 Gbps SFP port.
It supports a fixed 1.25 Gbps nominal data rate for Gigabit Ethernet.
It features an LC duplex connector for reliable multimode fiber connections.
Yes, it supports hot-pluggable installation, allowing insertion or removal without powering down the system.
Typical power consumption is 0.8 W, ensuring low energy usage in high-density applications.
It complies with IEEE 802.3z, RoHS, and SFP MSA standards for safety, environmental, and interoperability compliance.
Insert the module into an available SFP slot until it clicks into place, then attach the LC fiber cable; the device will auto-negotiate link settings.
Use SNMP or your switch’s CLI to access DOM data for real-time optical power, temperature, and voltage readings.
It includes a limited lifetime warranty covering defects in materials and workmanship.
You can buy it from authorized Cisco resellers and certified network equipment distributors, along with compatible fiber patch cables.