Connecting The Ethernet Cables - Cisco uBR924 Installation Manual

Connecting the Ethernet Cables

Do not overtighten the connector because this can break off the connector. Using a torque
Caution
wrench is not recommended because of the danger of tightening the connector more than
the recommended 1/6 turn after it is finger tight.
Step 5 Make sure all other coaxial cable connectors—all intermediate splitters, couplers, or ground
blocks—are securely tightened from the distribution tap to the Cisco uBR924 router, following
instructions in step 4.
Note Loose connectors inside the building or residence can cause intermittent router operation.
To ensure compliance with FCC limits, connection to the cable system must be made with
Caution
a high-quality, shielded cable. If the quality or general condition of the coaxial cable at the
subscriber site is in question, Cisco recommends that you replace the coaxial cable. For
more information on the effects of substandard cabling on the cable access router
installation, see the "Cabling" section on page 2-6.
Connecting the Ethernet Cables
To connect the Cisco uBR924 router to computers and other CPE devices at the site:
Locate all needed 10BaseT RJ-45 Ethernet cables:
Step 1
•
•
Connect one end of the Ethernet cable to one of the router's Ethernet ports (labeled 1X, 2X, 3X, or 4X)
Step 2
at the rear of the unit. (See Figure 3-2.)
Cisco uBR924 Router Hardware Installation Guide
3-6
Use straight-through Ethernet cables to directly connect up to four PCs to the Cisco uBR924 cable
access router's four Ethernet hub ports.
Use a crossover Ethernet cable to connect the Cisco uBR924 cable access router to an Ethernet hub
if more than four PCs or other LAN devices are to be connected at the site (supported only when
running Cisco IOS Release 12.0(5)T or higher images). Connect all devices to the hub using
straight-through Ethernet cables. (If your hub has an uplink port, you might be able to use a
straight-through cable to connect the hub directly to the computer.)
Chapter 3 Installing the Cisco uBR924 Router
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