3Com 2426-PWR Installation And User Manual

Also see for 2226-SFP Plus: User guide

Contents

22 I NSTALLING THE S WITCHUsing SFP TranceiversThe following sections describe how to insert an SFPtransceiver into an SFP slot.SFP transceivers are hot-insertable and hot-swappable.You can remove them from and insert them into anySFP port without having to power down the Switch.Approved SFP TransceiversThe following list of approved SFP transceivers is correctat the time of publication:■ 3CSFP91 SFP (SX)■ 3CSFP92 SFP (LX)To access the latest list of approved SFP transceivers forthe Switch on the 3Com Web site, enter this URL intoyour Internet browser:http://www.3Com.com3Com recommends using 3Com SFPs in the Switch. Ifyou insert an SFP transceiver that is not supported, theSwitch will not recognize it.Inserting an SFP TransceiverTo be recognized as valid, the SFP transceiver must havethe following characteristics:■ 1000BASE-SX or 1000BASE-LX media type:■ 1000BASE-SX SFP transceiverUse this transceiver to connect the Switch directlyto a multimode fiber-optic cable.■ 1000BASE-LX SFP transceiverUse this transceiver to connect the Switch directlyto a single mode fiber-optic cable or to multi-mode fiber using a conditioned launch cable.If the SFP transceiver is faulty, it will not operate withinthe Switch. See “Troubleshooting” on page 75.To activate the SFP port:1 Hold the transceiver so that the fiber connector istoward you and the product label is visible, as shown inFigure 5. Ensure the wire release lever is closed (in theupright position).