Connecting The Router To A Lan - 3Com 6040 Installation Manual

3Com Router 6000 Family
Installation Manual
Step 3: Verify the connection and power up the devices.
The console terminal shows the startup information of the router if the connection is correct.
For details see the chapter "Starting and Configuring the Router".

3.8 Connecting the Router to a LAN

I. Ethernet interface
The RPU provides two 100BASE-TX FE interfaces. For their attributes, refer to the section
"RPU".
The RPU2 provides three 10/100/1000 Mbps auto-sensing Ethernet interfaces that each
accommodate an RJ-45 connector and an SFP module respectively for electrical and optical
connections.
The RPU2 provides three 10/100/1000 Mbps Ethernet interfaces, where two are electrical and
one provides both fiber-optic and electrical connectors.
When both electrical and optical connections are available, you can use only one at a time. For
the available SFP options and the interface attributes, refer back to the section "RPU2" in the
chapter "Router Overview".
II. Ethernet cable
1) Electrical Ethernet interface cable
Electrical Ethernet interfaces usually use category 5 twisted-pair cables, as shown in the
following figure.
Figure 3-6 Ethernet cable
Ethernet cables fit into the following two categories:
Straight-through cable, at both ends of which, the wires are crimped in the RJ-45
connectors in the same sequence. The cable connects different types of devices,
such as a terminal device (PC for example) or router to a Hub or LAN switch. The
network cables shipped with the router are standard cables.
Crossover cable, at both ends of which, the wires are crimped in the RJ-45
connectors in different sequences. The cable connects the same type of devices,
such as PC to PC or PC to router. You can make crossover cables by yourself as
needed.
3Com Corporation
3-6
Chapter 3
Installing the Router