10GBASE-SR

10GBase-SR, as defined by IEEE 802.3ae, is a mode of 10GBase-S for multimode fiber (MMF) with a 850-nm laser transceiver with a bandwidth of 10 Gbps. It can support up to a 300 meters cable length. The 10GBASE-SR media type is designed for use over dark fiber.

10GBASE-SR ("short range") uses the IEEE 802.3 Clause 49 64B/66B Physical Coding Sublayer (PCS) and 850 nm lasers. It delivers serialized data over multi-mode fiber at a line rate of 10.3125 Gbit/s.

Over deployed multi-mode fiber cabling, it has a maximum range of between 26 metres (85 ft) and 82 metres (269 ft) depending on cable type. Over new 50 μm 2000 MHz·km OM3 multi-mode fiber (MMF), it has a maximum range of 300 metres (980 ft). The transmitter can be implemented with a vertical-cavity surface-emitting laser (VCSEL) which is low cost and low power. MMF has the advantage of having lower cost connectors than SMF because of its wider core. OM3 is now the preferred choice for structured optical cabling within buildings.

10GBASE-SR delivers the lowest cost, lowest power and smallest form factor optical modules.

November 19, 2010

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	SFP-10G-ER $1,399.00
	GLC-LH-SM $35.00
	GLC-SX-MM $25.00
	GLC-T $45.00
	WS-G5484 $25.00
	X2-10GB-SR $299.00

	SFP-10G-LR $399.00
	SFP-10G-SR $175.00
	3CXENPAK94 $399.00
	XENPAK-10GB-SR $299.00
	XFP-10G-MM-SR $299.00
	SFP-H10GB-CU1M $49.00