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Cisco uBR904 Cable Modem Installation and Configuration Guide
2-12
Power Considerations
Follow these precautions and recommendations when planning power connections to the
Cisco uBR904 cable modem:
• Check the power at your site before installation and during installation to ensure that
you are receiving clean power. Install a power conditioner if necessary.
• Install proper grounding to avoid damage from lightning and power surges.
Tools for Installation
Each Cisco uBR904 cable modem chassis is fully assembled at the factory; no assembly is
required. However, you will need the following tools and equipment to install the cable
modem:
• High-quality coaxial cable with at least 80% braid with foil
• Coaxial cable crimping tool
• Replacement coaxial cable connector ends
• Ethernet straight-though cable with RJ-45 connectors (one included)
• Console cable with RJ-45 connectors (light blue) (one included)
• Tape measure (optional)
In addition, you might need the following external equipment:
• CATV field strength meter (power meter)
• CATV house amplifier
• Portable, hand-held console terminal
• Ethernet transceiver
• Ethernet crossover cable with RJ-45 connectors (only if connecting the Cisco uBR904
cable modem to a hub)
• Network interface card (if the computer at the installation site does not have one
installed)