3Com 3812 - SuperStack 3 Switch Getting Started Manual

Also see for 3C17400: Getting started guide Implementation guide Implementation guide Datasheet

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3Com 3812 - SuperStack 3 Switch Getting Started Manual Manual pdf 25 page image

SFP Operation 25CAUTION: If you want to install the Switch using a Category 5E orCategory 6 cable, 3Com recommends that you briefly connect the cableto a grounded port before connecting network equipment. If you do not,the cable’s Electrostatic Discharge (ESD) may damage the Switch's port.You can create a grounded port by connecting all wires at one end of aUTP cable to an earth ground point, and the other end to a female RJ-45connector located, for example, on a Switch rack or patch panel. TheRJ-45 connector is now a grounded port.SFP Operation The following sections describes how to insert an SFP transceiver into anSFP port.SFP transceivers are hot-insertable and hot-swappable. You can removethem from and insert them into any SFP port without having to powerdown the Switch.Approved SFPTransceiversThe following list of approved SFP transceivers is correct at the time ofpublication.■ 3CSFP91 SFP (SX)■ 3CSFP92 SFP (LX)■ 3CSFP97 SFP (LH70)To access the latest list of approved SFP transceivers for the Switch on the3Com Corporation World Wide Web site, enter this URL into yourinternet browser:http://www.3com.comInserting an SFPTransceiverTo be recognized as valid, the SFP transceiver must have the followingcharacteristics:■ 1000BASE-SX, 1000BASE-LX or 1000BASE-LH70:■ 1000BASE-SX SFP transceiverUse this transceiver to connect the Switch directly to a multimodefiber-optic cable.■ 1000BASE-LX SFP transceiverdua1740-0aaa03.book Page 25 Thursday, December 23, 2004 9:23 PM