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Cisco GLC-SX-MM Datasheet and Specification

Cisco GLC-SX-MM is 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.


Product Wavelength (nm) Fiber Type Core Size (μm) Modal Bandwidth (MHz* Km)* Operating Distance (m) Price
GLC-SX-MM 850 MMF 62.5 160 (FDDI-grade) 220 (722 ft) USD135.00
      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)  
*Specified at transmission wavelength.
GLC-SX-MM Main Optical Parameters
Product Transmit Power Range (dBm) Receive Power Range (dBm) Maximum Channel insertion loss in dB (by fiber type)* Transmit and Receive Wavelength Range (nm)
GLC-SX-MM -3 to -9.5 0 to -17 2.4 (FDDI-grade)
2.6 (OM1)
3.4 (400/400)
3.6 (OM2)
5 (OM3)
770 to 860
*Maximum channel insertion loss is defined for maximum distance guaranteed as specified in Table 1 and
 by fiber type. When links are deployed over shorter distances, additional channel insertion loss may be 

Although Cisco GLC-SX-MM SFP Modules is end of sales in Mar 2013, but still as one 
of the leading Cisco products wholesalers has many GLC-SX-MM in stock, 
customers can consider GLC-SX-MM or its replacement 
GLC-SX-MMD, compare to 
GLC-SX-MMD has DOM function.
More related topics
Cisco SFP Modules
How to Identify the Genuine Cisco SFP?
Basic Knowledge on Cisco SFP Modules
Technical Specifications for Cisco SFP Modules
The SFP and SFP+ Modules Supported for Cisco Catalyst 2960 Series Switch

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