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10 INTRODUCING THE BASELINE SWITCH
Power-over-Ethernet Capability
The Switch provides 24 front panel RJ-45 ports that
support the IEEE 802.3af Power-over-Ethernet (PoE)
standard. Any 802.3af compliant device attached to a
port can directly draw power from the switch over the
Ethernet cable without requiring its own separate power
source. This capability gives network administrators
centralized power control for devices such as IP phones
and wireless access points, which translates into greater
network availability.
Gigabit Combo Ports (RJ-45/SFP)
The 2 Gigabit combo ports support fiber Gigabit
Ethernet short-wave (SX) and long-wave (LX) SFP
transceivers in any combination. This offers you the
flexibility of using SFP transceivers to provide
connectivity between the Switch and a 1000 Mbps core
network.
When an SFP port is in operation, the corresponding
1000BASE-T port is disabled. The 1000 Mbps
connections can only operate in full duplex mode.
Physical Features
Figure 1 shows the front and rear panels of the Switch.
The numbers in this diagram refer to numbered sections
in
“Front Panel” on page 10 and “Rear Panel” on
page 13.
Figure 1 Front and Rear Panels
Front Panel
The front panel of the Switch contains a series of
indicator lights (LEDs) that help describe the state of
various networking and connection operations.
(1) RJ-45 10/100 Ports
WARNING: RJ-45 Ports. These are shielded RJ-45 data
sockets. They cannot be used as standard traditional
telephone sockets, or to connect the unit to a
traditional PBX or public telephone network. Only
connect RJ-45 data connectors, network telephony
systems, or network telephones to these sockets.
Either shielded or unshielded data cables with shielded
or unshielded jacks can be connected to these data
sockets.
AVERTISSEMENT: Points d’accès RJ-45. Ceux-ci sont
protégés par des prises de données. Ils ne peuvent pas
être utilisés comme prises de téléphone conventionnelles
standard, ni pour la connection de l’unité à un réseau