Tag Archives: GLC-SX-MMD

Does Using 3rd Party SFP Void the Warranty of the Equipment It Is Used On?

The cost of fiber optic transceivers, such as optical SFP, SFP+, XFP, QSFP+ and CFP optics keeps adding up over time. And the cost of the transceivers is high when sourced from Original Equipment Manufacturers (OEM) like Cisco, HP and … Continue reading

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What’s Your Opinion Of Using 3rd Party SFP Modules On Cisco Catalyst Switch?

In general, the cost of an original brand SFP module is more expensive than a 3rd party one. Take Cisco 1000BASE-LX/LH SFP (GLC-LH-SMD) for example, the list price of Cisco is about $ 500.00, but you can easily find a … Continue reading

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Difference between Cisco SFP Module GLC-SX-MM and GLC-SX-MMD

With the widespread used with the Cisco switches and routers, Cisco’s GBIC transceivers and Small Form-factor Pluggables (SFP) transceivers for Gigabit Ethernet and Fibre Channel applications have also been popular in the market. These small, modular optical interface transceivers offer … Continue reading

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