Name: StarTech.com Cisco GLC-SX-MM Compatible SFP Module, 1000BASE-SX, 1GbE Multimode Fiber MMF Optic Transceiver, Gigabit Ethernet SFP, LC Connector, 550m, 850nm, Cisco IE3400, IE3300, IE3200 - Lifetime Warranty (SFPGLCSXMMST) - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-SX - LC multi-mode - up to 1800 ft - 850 nm - for P/N: ET91000SFP2, ET91000SFP2C, IES101002SFP, MCM1110SFP, PEX1000SFP2
Brand: StarTech.com
SKU: 6436RJLSK2JK
Price: 63.7 CAD
Availability: InStock
Rating: 3 (2 reviews)

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StarTech.com Cisco GLC-SX-MM Compatible SFP Module, 1000BASE-SX, 1GbE Multimode Fiber MMF Optic Transceiver, Gigabit Ethernet SFP, LC Connector, 550m, 850nm, Cisco IE3400, IE3300, IE3200 - Lifetime Warranty (SFPGLCSXMMST) - SFP (mini-GBIC) transceiver module - 1GbE - 1000Base-SX - LC multi-mode - up to 1800 ft - 850 nm - for P/N: ET91000SFP2, ET91000SFP2C, IES101002SFP, MCM1110SFP, PEX1000SFP2

<body><p><b>Key Features and Benefits:</b></p><ul><li>100% compatibility with Cisco GLC-SX-MM guaranteed</li><li>StarTech.com SFP modules are backed by a lifetime warranty</li><li>Meets or exceeds OEM specifications and Multi-Source Agreement (MSA) industry standards</li></ul></body>

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StarTech.com Cisco GLC-SX-MM Compatible SFP Module, 1000BASE-SX, 1GbE Multimode Fiber MMF Optic Transceiver, Gigabit Ethernet SFP, LC Connector, 550m, 850nm, Cisco IE3400, IE3300, IE3200 - Lifetime Warranty (SFPGLCSXMMST) - SFP (mini-GBIC) transceiver module - 1GbE

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Simple and it works.  Just plug it into your switch.  Plug your LC Multi Mode Fiber cable into the Transceiver and it works.

1.25Gbps LC Fiber SFP Transceiver

startech.com

This product was purchased to work with a Cisco 2911 Router and does not work in that router. It shows up as:
NAME: "1000BASE-SX SFP", DESCR: "1000BASE-SX SFP"
PID: unknown , VID: 1.0, SN: H309712

I contacted Startech.com and they said that it may not be supported by that model. Cisco end of lifed the GLC-SX-MM= adapter and replaced it with the GLC-SX-MMD adapter. Be sure to get something compatible with that to be supported by the Cisco 2911 Router.

This product claims to be compatible with the GLC-SX-MM= adapter, but that adapter is supported by the 2911 Router. This one was not. This was my first experience buying a 3rd party GBIC.

I have bought other Startech products and have been happy with them. I will continue to buy Startech products.

Does not work with Cisco 2911