3Com 3CR17561-91-US Getting Started Guide - Page 38

SFP Operation, Approved SFP Transceivers, Approved SFP, Transceivers - ethernet cable

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38 CHAPTER 2: INSTALLING THE SWITCH SFP Operation The following sections describes how to select and use an SFP transceiver in an SFP port. Approved SFP Transceivers The following list of approved Gigabit Ethernet SFP transceivers is correct at the time of publication. ■ 3CSFP91 SFP (1000BASE-SX) ■ 3CSFP92 SFP (1000BASE-LX) ■ 3CSFP93 SFP (1000BASE-T) ■ 3CSFP93-4500 SFP (1000BASE-T) ■ 3CSFP97 SFP (1000BASE-LH70) Each Switch 4500 has two dual-personality ports for copper or flexible fiber connectivity. The Switch 4500 26 port has built-in 10/100/1000BASE-T ports. For the other switches, two 3CSFP93-4500 1000BASE-T SFPs are supplied: for the Switch 4500 50 port (ports 27/28) and for the Switch 4500 PWR 26 and 50 port (ports 51/52). The 3CSFP93-4500 is approved for use in the Switch 4500 only. 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/transceiver 1000BASE-SX, 1000BASE-LX, 1000BASE-LH70 or 1000BASE-T SFP transceivers must be matched with the correct cable type as follows: ■ 1000BASE-SX SFP transceiver Use this transceiver to connect Gigabit Ethernet SFP ports on the Switch directly to a multimode fiber-optic cable. ■ 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 a multimode fiber using a conditional 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. ■ 1000BASE-T SFP transceiver This transceiver uses Category 5 copper cabling with RJ-45 connectors and supports segment lengths of up to 100 m (328 ft).

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38
C
HAPTER
2: I
NSTALLING
THE
S
WITCH
SFP Operation
The following sections describes how to select and use an SFP transceiver
in an SFP port.
Approved SFP
Transceivers
The following list of approved Gigabit Ethernet SFP transceivers is correct
at the time of publication.
■
3CSFP91 SFP (1000BASE-SX)
■
3CSFP92 SFP (1000BASE-LX)
■
3CSFP93 SFP (1000BASE-T)
■
3CSFP93-4500 SFP (1000BASE-T)
■
3CSFP97 SFP (1000BASE-LH70)
Each Switch 4500 has two dual-personality ports for copper or flexible
fiber connectivity. The Switch 4500 2
6
port has built-in
10/100/1000BASE-T ports. For the other switches, two 3CSFP
9
3-4500
1000BASE-T SFPs are supplied: for the Switch 4500 50 port (ports 27/28)
and for the Switch 4500 PWR 2
6
and 50 port (ports 51/52).
The 3CSFP
9
3-4500 is approved for use in the Switch 4500 only.
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:
1000BASE-SX, 1000BASE-LX, 1000BASE-LH70 or 1000BASE-T SFP
transceivers must be matched with the correct cable type as follows:
■
1000BASE-SX SFP transceiver
Use this transceiver to connect Gigabit Ethernet SFP ports on the
Switch directly to a multimode fiber-optic cable.
■
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 a multimode
fiber using a conditional 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.
■
1000BASE-T SFP transceiver
This transceiver uses Category 5 copper cabling with RJ-45 connectors
and supports segment lengths of up to 100 m (328 ft).