Cisco 3800 Series Hızlı Başlangıç Kılavuzu - Sayfa 17
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Warning
Hazardous network voltages are present in WAN ports regardless of whether power to the router is OFF or ON. To
avoid electric shock, use caution when working near WAN ports. When detaching cables, detach the end away
from the router first. Statement 1026
Warning
This unit is intended for installation in restricted access areas. A restricted access area can be accessed only
through the use of a special tool, lock and key, or other means of security. Statement 1017
Warning
Do not work on the system or connect or disconnect cables during periods of lightning activity. Statement 1001
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 Routers to AC Power, page 17
• Connecting the Router to DC Power, page 18
• Connecting the Router to Backup Power, page 23
Warning
Read the installation instructions before connecting the system to the power source. Statement 1004
The installation must comply with all required electrical codes applicable at the installation site.
Note
Connecting the Routers to AC Power
If your router uses AC power, connect it to a 15 A, 120 VAC (240 VAC, 10 A) circuit with overcurrent protection. If backup
power is required, see the "Connecting the Router to Backup Power" section on page 23.
The input voltage tolerance limits for AC power are 85 and 264 VAC.
Note
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
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