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4 MAKING NETWORK CONNECTIONS
CONNECTING NETWORK DEVICES
This switch is designed to be connected to 10, 100, or 1000 Mbps network cards
in PCs and servers, as well as to other switches and hubs. It may also be
connected to remote devices using optional 1000BASE-SX, 1000BASE-LX,
1000BASE-LH, or 100BASE-FX SFP transceivers.
TWISTED-PAIR DEVICES
Each device requires an unshielded twisted-pair (UTP) cable with RJ-45
connectors at both ends. Use Category 5, 5e or 6 cable for 1000BASE-T
connections, Category 5 or better for 100BASE-TX connections, and Category 3
or better for 10BASE-T connections.
POWER-OVER-ETHERNET CONNECTIONS
The switch automatically detects a PoE-compliant device by its authenticated
PoE signature and senses its required load before turning on DC power to the
port. This detection mechanism prevents damage to other network equipment
that is not PoE compliant.
The switch delivers power to a device using the wire pairs in UTP or STP cable
(RJ-45 pins 1, 2, 3, and 6). The switch can provide up to 30 W of power
continuously on each of the eight RJ-45 ports. If a device tries to draw more
than 30 W from a port, an overload condition occurs and the port disables the
power.
N
OTE
:
Power-over-Ethernet connections work with all existing Category
3, 4, 5, 5e, or 6 network cabling, including patch cables and patch-
panels, outlets, and other connecting hardware, without requiring
modification.
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