Cisco SFP Gigabit Transceiver Module (GLC-SX-MM)

·         Hot-swappable when deployed, the switch or router does not have to reboot.
·         Supports the "pay-as-you-populate" model.
·         Interchangeable with other 1000BASE-SX SFPs on the same line card.
·         Supports the Cisco quality ID feature that enables the switch or router to determine whether the SFP is a Cisco-qualified SFP.
·         Optically interoperable with 1000BASE-SX Ethernet interfaces on the same link.
·         Operates on 50-micrometer multimode fiber links up to 550 meters and on 62.5-micrometer FDDI-grade multimode fibers up to 220 meters.