3com 5500-ei pwr Quick Setup Guide
32
C
HAPTER
2: I
NSTALLING
THE
S
WITCH
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.
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.
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).
and supports segment lengths of up to 100 m (328 ft).
If the SFP transceiver is faulty, it will not operate within the Switch. See
3Com recommends that you only use SFPs supplied by 3Com. If the SFP
transceiver is invalid it will not be recognized by the Switch.
transceiver is invalid it will not be recognized by the Switch.
Use the following sequence of steps to activate the SFP ports:
1 The SFP transceiver is keyed and there is only one way in which it can be
installed correctly. It is not necessary to power-down your Switch.
2 Hold the transceiver so that the connector is toward you and the product
label is visible. Ensure the wire release lever is closed (in the upright
position).
position).
3 Gently slide the transceiver into the SFP port until it clicks. If the
transceiver does not click into place, remove it, turn it over and re-insert.
4 Remove the plastic protective cover if fitted.
Figure 6 Inserting an SFP Transceiver
DUA1715-0AAA02.book Page 32 Wednesday, March 23, 2005 11:17 AM