6
SFP Transceivers,
Fiber-Optic Cables,
and Copper Cables
Controller-drive trays, controller trays, and drive trays use fiber-optic cables or
copper cables for Fibre Channel connections. For copper Fibre Channel cables, a
passive copper Small Form-factor Pluggable (SFP) transceiver is attached to each end
of the cable. InfiniBand connections are made with fiber-optic cables. If your system
will be connected with Fibre Channel or InfiniBand fiber-optic cables, you must
install an active SFP transceiver into each port in which a fiber-optic cable will be
connected before plugging in the fiber-optic cable. Connections for 1-Gb/s iSCSI use
copper cables with RJ-45 connectors and do not require SFP transceivers.
Connections for SAS use copper cables with SFF 8088 connectors and do not require
SFP transceivers. The following figures show the two types of cables that use SFP
transceivers. Note that your SFP transceivers and cables might look slightly different
from the ones shown. The differences do not affect the performance of the SFP
transceivers.
WARNING (W03) Risk of exposure to laser radiation – Do not disassemble or
remove any part of a Small Form-factor Pluggable (SFP)
transceiver because you
might be exposed to laser radiation.
Figure 2 Active SFP Transceiver with Fiber-Optic Cable
1. Active SFP Transceiver
2. Fiber-Optic Cable
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