- Product Overview
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Overview (GLC-SX-MMD)
GLC-SX-MMD 1000BASE-SX SFP 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.
The table provides cabling specifications for the SFPs that you install in the Gigabit Ethernet port. Note that all SFP ports have LC-type connectors, and the minimum cable distance for all SFPs listed (multimode and single-mode fiber) is 6.5 feet (2 m).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
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)
*A mode-conditioning patch cord, as specified by the IEEE standard, is required regardless of the span length. Note how the mode conditioning patch cord for 62.5-μm fibers has a different specification from the mode-conditioning patch cord for 50-μm fibers.**ITU-T G.652 SMF as specified by the IEEE 802.3z standard.***Specified at transmission wavelength. - Specification
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Specification (GLC-SX-MMD)
Cisco GLC-SX-MMD 1000BASE-SX SFP transceiver module, MMF, 850nm, DOM
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Warranty
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