3Com 3CNJ105, User Manual

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NJ105 Description
5
4 Power LED
Indicates NJ105 power status (green). For
more information, see “Checking the LEDs”
on page 12.
5 Pass-through
port Provides a link to your LAN that passes
through the NJ105 IntelliJack. The data or
voice traffic is separate from and unaffected
by the NJ105 switch.
6 Power-
forwarding LED Lights when the IntelliJack is connected to—
and forwarding power to—an IEEE 802.3af-
compliant device. For more information, see
“Checking the LEDs” on page 12.
7 Local power
supply cable
strain relief Local power supply cable strain relief.
8 Power socket The NJ105 can be powered from a local
power supply (available for purchase from
3Com). This is required if your network does
not support Power Over Ethernet (PoE).
9 Pass-through
LAN cable Connects directly to your LAN (located on the
front of the NJ105.) Black cable, no LED.
10 Uplink port Connects the NJ105 switched RJ-45ports to
the Ethernet LAN. Make sure the port on the
network switch to which the NJ105 is
connected is configured as a standard MDI-X
port.