26
C
HAPTER
2: I
NSTALLING
THE
S
WITCH
If there is evidence of a problem, see “Solving Problems Indicated by
LEDs” on page 54 for a list of suggested solutions.
CAUTION:
The Switch has no ON/OFF switch; the only method of
connecting or disconnecting mains power is by connecting or
disconnecting the power cord.
SFP Operation
The following section describes how to insert an SFP transceiver into an
SFP port.
SFP transceivers are hot-insertable and hot-swappable. You can remove
them from and insert them into any SFP port without having to power
down the Switch.
Approved SFP
Transceivers
The following list of approved Gigabit Ethernet SFP transceivers is correct
at the time of publication.
■
3CSFP92 SFP (1000BASE-LX)
■
3CSFP97 SFP (1000BASE-LH70)
■
3CSFP93 SFP (1000BASE-T)
To access the latest list of approved SFP transceivers for the Switch on the
3Com Corporation World Wide Web site, enter this URL into your
internet browser:
http://www.3com.com
Inserting an SFP
Transceiver
To be recognized as valid, the SFP transceiver must have the following
characteristics:
■
1000BASE-LX SFP transceiver
Use this transceiver to connect Gigabit Ethernet SFP ports on the
Switch directly to a single-mode fiber-optic cable or to multimode
fiber using a conditioned launch cable.
■
1000BASE-LH70 SFP transceiver
Use this transceiver to connect Gigabit Ethernet SFP ports on the
Switch directly to a single-mode fiber-optic cable.
10014914AA.book Page 26 Friday, July 7, 2006 2:08 PM
Summary of Contents for 4200G PWR
Page 4: ...10014914AA book Page 4 Friday July 7 2006 2 08 PM ...
Page 30: ...30 CHAPTER 2 INSTALLING THE SWITCH 10014914AA book Page 30 Friday July 7 2006 2 08 PM ...
Page 74: ...74 CHAPTER 5 UPGRADING SOFTWARE 10014914AA book Page 74 Friday July 7 2006 2 08 PM ...
Page 92: ...92 APPENDIX B PIN OUTS 10014914AA book Page 92 Friday July 7 2006 2 08 PM ...
Page 96: ...96 APPENDIX C TECHNICAL SPECIFICATIONS 10014914AA book Page 96 Friday July 7 2006 2 08 PM ...
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