3Com 3C17400 User Manual - Page 26

Inserting an SFP Transceiver

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26 CHAPTER 2: INSTALLING THE SWITCH Inserting an SFP To be recognised as valid, the SFP transceiver must have the following Transceiver characteristics: ■ 1000BASE-SX or 1000BASE-LX media type: ■ 1000BASE-SX SFP transceiver Use this transceiver to connect the Switch directly to a multimode fiber-optic cable. ■ 1000BASE-LX SFP transceiver Use this transceiver to connect the Switch directly to a single-mode fiber-optic cable or to multimode fiber using a conditioned launch cable. ■ Fiber LC connector If the SFP transceiver is faulty, it will not operate within the Switch. See "Solving Hardware Problems" on page 47. Use of non-3Com SFPs is not recommended. If the SFP transceiver is invalid it will not be recognised by the Switch. Use the following sequence of steps to activate the SFP ports: 1 Hold the transceiver so that the fiber connector is toward you and the product label is visible, as shown in Figure 5. 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 fiber cable.

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26
C
HAPTER
2: I
NSTALLING
THE
S
WITCH
Inserting an SFP
Transceiver
To be recognised as valid, the SFP transceiver must have the following
characteristics:
■
1000BASE-SX or 1000BASE-LX media type:
■
1000BASE-SX SFP transceiver
Use this transceiver to connect the Switch directly to a multimode
fiber-optic cable.
■
1000BASE-LX SFP transceiver
Use this transceiver to connect the Switch directly to a single-mode
fiber-optic cable or to multimode fiber using a conditioned launch
cable.
■
Fiber LC connector
If the SFP transceiver is faulty, it will not operate within the Switch. See
“
Solving Hardware Problems
” on
page 47
.
Use of non-3Com SFPs is not recommended. If the SFP transceiver is
invalid it will not be recognised by the Switch.
Use the following sequence of steps to activate the SFP ports:
1
Hold the transceiver so that the fiber connector is toward you and the
product label is visible, as shown in
Figure 5
. 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 fiber cable.