Product Summary
Cisco GLC-SX-MM D is a 1000BASE-SX SFP transceiver module for Gigabit Ethernet networks. This hot-swappable fiber optic module supports multimode fiber (MMF) with 850nm wavelength, DOM capabilities, and up to 550m reach. Ideal for switches, routers, and servers requiring short-range fiber connectivity.
Product Details
This Cisco-compatible SFP transceiver delivers 1Gbps data transfer over duplex LC multimode fiber. Featuring digital optical monitoring (DOM), low power consumption, and plug-and-play installation. Compliant with IEEE 802.3z standards for reliable performance in data centers, enterprise networks, and SAN applications.
Key Features
1Gbps Speed: Full-duplex Gigabit Ethernet
850nm VCSEL Transmitter: Optimized for MMF
DOM Support: Real-time temperature/power monitoring
Extended Reach: Up to 550m on OM2 fiber
Low Power: <1W power consumption
Duplex LC Connector: Industry-standard interface
Hot-Swappable: Tool-free installation
Cisco Compatible: Works with Catalyst/Nexus devices
RoHS Compliant: Environmental standards
Product Parameters Table
| Parameter | Specification |
| Form Factor | SFP |
| Standard | 1000BASE-SX |
| Wavelength | 850nm |
| Fiber Type | Multimode (MMF) |
| Max Distance | 275m (OM1), 550m (OM2) |
| DOM/DMM Support | Yes |
| Connector | LC Duplex |
| Data Rate | 1.25 Gbps |
| Power Consumption | 0.8W |
| Temperature Range | 0°C to 70°C |
Similar Models Comparison Table
| Model | Type | Wavelength | Distance | DOM | Key Difference |
| GLC-SX-M MD | 1000BASE-SX | 850nm | 550m | Yes | Standard MMF SFP |
| GLC-SX-MM | 1000BASE-SX | 850nm | 550m | No | No DOM monitoring |
| GLC-LH-SMD | 1000BASE-LX | 1310nm | 10km | Yes | Single-mode fiber |
| SFP-10G-SR | 10GBASE-SR | 850nm | 300m | Yes | 10G Multimode variant |
