About The Nj240Fx - 3Com IntelliJack NJ240FX User Manual

About the NJ240FX

The following diagram shows the front and rear views of the IntelliJack:
1 RJ-45 switched PAN
(personal area
network) ports
2 Port LEDs and
corresponding port
numbers
3 LAN LED
4 Power LED
5 Pass-through port
connector
6 Power-forwarding
LED
7 AC power socket
8 Fiber optic
transceiver
9 Pass-through port
cable
Four 10/100 Mbps auto-negotiation ports, which the
IntelliJack configures for 10 Mbps or 100 Mbps connections
automatically.
Indicate network link status of each of the four RJ-45 PAN
ports.
Indicates the link status of the LAN connection (fiber uplink).
For more information, see "Checking the LEDs."
Indicates IntelliJack power status (green). For more
information, see "Checking the LEDs."
The pass-through port allows for connection to a separate
network. The data or voice traffic on this port does not flow
through the switch.
Lights when an IEEE 802.3af powered device is plugged into
Port #1 of the NJ240FX and power is being forwarded to that
device. For more information, see "Checking the LEDs."
The IntelliJack is powered by an internal power supply.
Connects the NJ240FX switched RJ-45ports to the fiber optics
network.
The pass-through port allows for connection to a separate
network. The data or voice traffic on this port does not flow
through the switch.
About the NJ240FX 3