Cisco GLC-SX-MMD

The Cisco GLC-SX-MMD is a 1000BASE-SX Small Form-Factor Pluggable (SFP) transceiver designed for high-performance Gigabit Ethernet connectivity over multimode fiber (MMF) up to 1 km (using 50/125 OM3) or 550 m (using 62.5/125 OM2). Operating at 850 nm, it features Digital Optical Monitoring (DOM) for real-time diagnostics.

Cisco GLC-SX-MMD Specifications

Category Specification
Model GLC-SX-MMD
Brand Cisco
Product 1000BASE-SX
Wavelength (nm) 850
Fiber Type MMF
Operating Distance 1000 m (3281 ft)
Product 1000BASE-LX/LH
Wavelength (nm) 1310
Fiber Type MMF, SMF
Operating Distance 10,000 m (32,821 ft)
Product 1000BASE-EX
Wavelength (nm) 1310
Fiber Type SMF
Operating Distance 40,000 m (131,234 ft)
Product 1000BASE-ZX
Wavelength (nm) 1550
Fiber Type SMF
Operating Distance Approximately 70 km depending on link loss

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