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30 CHAPTER 2: INSTALLING THE SWITCH
■ 1000BASE-TX media type:
Use this transceiver to connect the Switch directly to a Category 5e
twisted-pair cable with RJ-45 connectors.
If the SFP transceiver is faulty, it will not operate within the Switch. See
“Solving Hardware Problems” on page 53.
Use of non-3Com SFPs is not recommended. If the SFP transceiver is
invalid it will not be recognized by the Switch.
Use the following sequence of steps to activate the SFP ports:
1 Hold the transceiver so that the (1000BASE-TX) RJ-45 connector or
(1000BASE-SX/LX) fiber connector is toward you and the product label is
visible, as shown in Figure 6. Ensure the wire release lever is closed (in the
upright position).
2 Gently slide the transceiver into the SFP port until it clicks into place.
CAUTION: SFP transceivers are keyed and can be properly inserted only
one way. If the transceiver does not click when you insert it, remove it,
turn it over, and reinsert it.
3 Remove the plastic protective cover if fitted.
4 Connect the twisted-pair or fiber cable.