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GLC-SX-MM-RGD-C
1000BASE-SX SFP MMF Rugged -40 to +85 Cisco Compatible
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GLC-SX-MM-RGD-C is a compact SFP transceiver that supports 1G Ethernet communications over multi-mode fiber, featuring an LC connector and an 850nm operating wavelength. Designed for short-range transmission, it reliably operates within distances up to approximately 550 meters and supports key Ethernet protocols in data-intensive environments.
Ideal for data centers, enterprise networks, and telecommunications infrastructures, this SFP module combines a small form factor with robust performance to meet modern network demands. Its precise dimensions and adherence to industry standards ensure easy integration into Cisco-compatible systems, supporting efficient and dependable network operations.
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| GLC-SX-MM-RGD-C |  GLC-LX-SMD-RGD-C |  GLC-SX-MMD-C |  GLC-BX-D40-C |  GLC-EZX-SMD-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 | 1310 nm | 850 nm | 1310/1490 nm | 1310 nm |
| Transmission Distance | Short-Range | Long-Range | Short-Range | Long-Range | Extended-Range |
| Fiber Type | Multi-mode | Single-mode | Multi-mode | Single-mode | Single-mode |
| Max Distance | 550 meters | 10 km | 2200 m | 40 km | 70 km |
| Supported Protocols | Ethernet | Ethernet (1000BASE-LX) | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 1.25W | 1.5 W | 1.5 W | N/A | 1.2 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 | GLC-SX-MM-RGD-C | GLC-LX-SMD-RGD-C | Cisco GLC-SX-MMD-C 1000BASE-SX SFP Transceiver | GLC-BX-D40-C | GLC-EZX-SMD-C |
| Height | N/A | 0.34 inches | 0.67 inches | N/A | 0.65 inches |
| Width | N/A | 0.53 inches | 1.41 inches | N/A | 0.95 inches |
| Depth | N/A | 2.22 inches | 2.31 inches | N/A | 1.75 inches |
| Weight | N/A | 0.04 lbs | 0.10 lbs | N/A | 0.03 lbs |
Dependable ruggedized SX performance. Simple installation and consistent multi-mode connectivity in hot environments.
Great value and durability. These modules are a staple for our industrial switch deployments.
Solid fiber link stability. Perfect for our factory-wide network where vibration and heat are factors.
Reliable Cisco equivalent. Performance is indistinguishable from original modules but with better temperature tolerance.
Excellent uptime. These ruggedized units have significantly reduced our hardware replacement cycles.
Trustworthy hardware. They provide the snappy response times needed for our industrial automation control.
Tough and efficient. The -40 to +85 range is a lifesaver for our desert-based facilities.
Highly recommended for B2B. These transceivers deliver professional performance in every rugged scenario.
The GLC-SX-MM-RGD-C is a ruggedized 1000BASE-SX Small Form-Factor Pluggable (SFP) transceiver designed for multimode fiber (MMF) applications in extreme temperature environments.
This SFP module supports a line rate of 1.25 Gbps, meeting IEEE 802.3z 1000BASE-SX specifications for gigabit Ethernet connectivity.
The module is optimized for 50 µm and 62.5 µm multimode fiber (MMF) and operates over OM1, OM2, OM3, and OM4 rated fibers.
Over OM2 multimode fiber, the maximum reach is 550 meters; on OM3 and OM4 fibers, it extends up to 850 meters at 1 Gbps.
The GLC-SX-MM-RGD-C operates reliably in extreme environments from –40 °C to +85 °C, making it ideal for outdoor and industrial installations.
Yes. The module is fully Cisco compatible, supporting hot-plug insertion and Cisco NX-OS, IOS, and IOS XE software platforms.
Yes. It features Digital Diagnostics Monitoring (DDM/DOM) for real-time monitoring of optical power, temperature, voltage, and laser bias currents.
To install, power down the switch port if required by your vendor, align the SFP with the cage, insert until it latches, then power up and verify link status.
The module consumes less than 1 W of power (typical 0.8 W), ensuring minimal impact on switch power budgets.
Yes. Its rugged design and extended temperature rating make it suitable for industrial control, transportation, and outdoor deployments.
The GLC-SX-MM-RGD-C measures 56.5 mm × 13.4 mm × 8.5 mm and weighs approximately 30 grams, fitting all standard SFP cages.
It is compliant with RoHS, CE, FCC, and UL safety standards and meets Telcordia GR-468 environmental qualifications.
Yes. It includes a standard one-year warranty with options to extend service and support through authorized resellers.
Verify fiber polarity, clean connectors with approved tools, check DDM diagnostics for power levels, and ensure the switch port is configured for 1 Gbps full-duplex.
You can purchase through authorized Cisco resellers or online distributors specializing in compatible networking transceivers.
Ideal applications include industrial Ethernet, security and surveillance networks, transportation systems, and outdoor wireless backhaul.