Cisco 2800 Series Посібник із швидкого старту - Сторінка 20

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Caution

To comply with Telcordia NEBS GR-1089-Core and EN 300386 requirements, you must use foil twisted-pair cable

that is properly grounded at both ends.

Power Connections

This section describes procedures for connecting your router to AC power, DC power, and backup power. See the appropriate

subsection:

• Connecting the Router to AC Power, page 20

• Connecting the Router to DC Power, page 21

• Connecting the Router to Backup Power, page 26

Note

Cisco 2801 routers are not designed to connect to DC power.

Warning

Read the installation instructions before connecting the system to the power source. Statement 1004

Note

The installation must comply with all required electrical codes applicable at the installation site.

If your router uses AC power, connect it to a 15 A, 120 VAC (10 A, 240 VAC) circuit with overcurrent protection. If backup

power is required, see the "Connecting the Router to Backup Power" section on page 26.

Note

The input voltage tolerance limits for AC power are 85 and 264 VAC.

Warning

AC connected units must have a permanent ground connection in addition to the power cable ground wire.

NEBS-compliant grounding satisfies this requirement. Statement 284

Warning

This product requires short-circuit (overcurrent) protection, to be provided as part of the building installation.

Install only in accordance with national and local wiring regulations. Statement 1045

Warning

This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure that the

protective device is rated not greater than:

120 VAC, 15 A (240 VAC, 10 A). Statement 1005