3Com 3812 Getting Started Guide - Page 25

SFP Operation, Approved SFP Transceivers, Inserting an SFP Transceiver, Approved SFP, Transceivers

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Page 25 highlights

SFP Operation 25 CAUTION: If you want to install the Switch using a Category 5E or Category 6 cable, 3Com recommends that you briefly connect the cable to a grounded port before connecting network equipment. If you do not, the cable's Electrostatic Discharge (ESD) may damage the Switch's port. You can create a grounded port by connecting all wires at one end of a UTP cable to an earth ground point, and the other end to a female RJ-45 connector located, for example, on a Switch rack or patch panel. The RJ-45 connector is now a grounded port. SFP Operation The following sections 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 SFP transceivers is correct at the time of publication. ■ 3CSFP91 SFP (SX) ■ 3CSFP92 SFP (LX) ■ 3CSFP97 SFP (LH70) 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-SX, 1000BASE-LX or 1000BASE-LH70: ■ 1000BASE-SX SFP transceiver Use this transceiver to connect the Switch directly to a multimode fiber-optic cable. ■ 1000BASE-LX SFP transceiver

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SFP Operation
25
CAUTION:
If you want to install the Switch using a Category 5E or
Category 6 cable, 3Com recommends that you briefly connect the cable
to a grounded port before connecting network equipment. If you do not,
the cable’s Electrostatic Discharge (ESD) may damage the Switch's port.
You can create a grounded port by connecting all wires at one end of a
UTP cable to an earth ground point, and the other end to a female RJ-45
connector located, for example, on a Switch rack or patch panel. The
RJ-45 connector is now a grounded port.
SFP Operation
The following sections 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 SFP transceivers is correct at the time of
publication.
■
3CSFP91 SFP (SX)
■
3CSFP92 SFP (LX)
■
3CSFP97 SFP (LH70)
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:
Inserting an SFP
Transceiver
To be recognized as valid, the SFP transceiver must have the following
characteristics:
■
1000BASE-SX, 1000BASE-LX or 1000BASE-LH70:
■
1000BASE-SX SFP transceiver
Use this transceiver to connect the Switch directly to a multimode
fiber-optic cable.
■
1000BASE-LX SFP transceiver