3Com 3C17709 Getting Started Manual

Also see for SWITCH 4050: Product guide Quick reference guide Datasheet Datasheet

Contents

3Com 3C17709 Getting Started Manual Manual pdf 29 page image

GBIC Operation 29To access the latest list of approved GBIC transceivers for the Switch onthe 3Com Corporation World Wide Web site, enter this URL into yourinternet browser:http://www.3com.comThe URL is case sensitive.Inserting a GBICTransceiverTo be recognised as valid, the GBIC transceiver must have the followingcharacteristics:■ 1000BASE-SX, 1000BASE-LX or 1000BASE-LH70 media type:■ 1000BASE-SX GBIC transceiverUse this transceiver to connect the Switch directly to a multimodefiber-optic cable.■ 1000BASE-LX GBIC transceiverUse this transceiver to connect the Switch directly to a single-modefiber-optic cable or to multimode fiber using a conditioned launchcable.■ 1000BASE-LH70 GBIC transceiverUse this transceiver to connect the Switch directly to a single-modefiber-optic cable or to multimode fiber using a conditioned launchcable.■ Fiber SC connector■ Type 4 GBIC with internal EEPROM fitted.If the GBIC transceiver is faulty, it will not operate within the Switch. See“Solving Hardware Problems” on page 54.Use of non-3Com GBICs is not recommended. If the GBIC transceiver isinvalid it will not be recognised by the Switch.Use the following sequence of steps to activate the GBIC ports:1 Orient the transceiver so that the fiber-optic duplex subscriber connecter(SC) is toward you, as shown in Figure 6.2 Gently slide the transceiver into the GBIC port until it clicks into place.