Cisco SFP Module GLC-SX-MMD

GLC-SX-MMD Overview

The GLC-SX-MMD 1000BASE-SX SFP is made for Multimode Fiber only.

The 1000BASE-SX SFP, compatible with the IEEE 802.3z 1000BASE-SX standard,

operates on legacy 50 μm multimode fiber links up to 550 m and on 62.5 μm

Fiber Distributed Data Interface (FDDI)-grade multimode fibers up to 220 m.

It can support up to 1km over laser-optimized 50 μm multimode fiber cable.

850-nm wavelength, extended operating temperature range and DOM

support, dual LC/PC connector.

GLC-SX-MMD Specification

SFP Port Cabling Specifications
Product	Wavelength (nm)	Fiber Type	Core Size (μm)		Modal Bandwidth (MHz* Km)***		Operating Distance (m)
1000BASE-SX	850	MMF	62.5		160 (FDDI-grade)		220 (722 ft)
			62.5		200 (OM1)		275 (902 ft)
			50		400 (400/400)		500 (1,640 ft)
			50		500 (OM2)		550 (1,804 ft)
			50		2000 (OM3)		1000 (3281 ft)
1000BASE-LX/LH	1310	MMF*	62.5		500		550 (1,804 ft)
			50		400		550 (1,804 ft)
			50		500		550 (1,804 ft)
		SMF	-**		-		10,000 (32,821 ft)
1000BASE-EX	1310	SMF	-**		-		40,000 (131,234 ft)
1000BASE-ZX (GLC-ZX-SMD)	1550	SMF	-		-		Approximately 70 km depending on link loss
1000BASE-BX-U	1310	SMF	-**		-		10,000 (32,821 ft)
1000BASE-BX-D	1490	SMF	-**		-		10,000 (32,821 ft)
SFP Port Cabling Specifications
Product	Wavelength (nm)	Fiber Type	Core Size (μm)	Modal Bandwidth (MHz* Km)***		Operating Distance(m)
1000BASE-SX	850	MMF	62.5	160 (FDDI-grade)		220 (722 ft)
			62.5	200 (OM1)		275 (902 ft)
			50	400 (400/400)		500 (1,640 ft)
			50	500 (OM2)		550 (1,804 ft)
			50	2000 (OM3)		1000 (3281 ft)
1000BASE-LX/LH	1310	MMF*	62.5	500		550 (1,804 ft)
			50	400		550 (1,804 ft)
			50	500		550 (1,804 ft)
		SMF	-**	-		10,000 (32,821 ft)
1000BASE-EX	1310	SMF	-**	-		40,000 (131,234 ft)
1000BASE-ZX (GLC-ZX-SMD)	1550	SMF	-	-		Approximately 70 km depending on link loss
1000BASE-BX-U	1310	SMF	-**	-		10,000 (32,821 ft)
1000BASE-BX-D	1490	SMF	-**	-		10,000 (32,821 ft)

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GLC-SX-MMD