Setup and Install

Installation Manual
H3C AR 18-2X Series Routers
Chapter 2 Installing the Route
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Step 2: Connect the console cable.
Power off the router and the console terminal, and then connect
the RS-232 serial port on the console terminal to the console port on
the router using the console cable.
Verify the connection and power on the router. In normal cases,
the startup information is displayed on the terminal screen. For details,
refer to “Chapter 3 Starting and Maintaining the Router”.
2.6 Connecting the Router to LAN
I. Ethernet cable
A 10/100Base-TX Ethernet interface is usually connected to an
Ethernet using a category 5 twisted pair cable, as shown in
Figure 2-5:
Figure 2-5 Ethernet cable assembly
Ethernet cables fit into two categories: straight-through and
crossover.
z Straight-through cable, at both ends of which, the wires are
crimped in the RJ45 connectors in the same sequence. The
cable is used for connecting different types of devices, such
as a terminal device (PC for example) or router to a Hub or
LAN switch.
z Crossover cable, at both ends of which, the wires are
crimped in the RJ 45 connectors in different sequence. The