Chapter 2 Preparing for Installation
Site Requirement Guidelines
2-14
Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide
OL-11497-03
Power Connection Guidelines
Cisco 12006 and Cisco 12406 Routers can be configured with either an AC-input
power subsystem or a DC-input power subsystem. Site power requirements differ
depending on which source power scheme is used. Follow these precautions and
recommendations when planning power connections to the router:
• Check the power at your site before installation and periodically after
installation to ensure that you are receiving clean power.
• If necessary, install a power conditioner.
• Install proper grounding to avoid damage from lightning and power surges.
Note When operating your router on a single power module, the second power module
bay must have a blank filler (MAS-GSR-PWRBLANK=) installed to ensure EMI
compliance.

Power Connection Guidelines for AC-Powered Routers

When the Cisco 12006 or Cisco 12406 Router operates with an AC PDU, observe
these guidelines:
• A power factor corrector (PFC) allows the PDU to accept AC power source
voltage from an AC power source operating between 100 and 240 VAC, 2 0A
service in North America; and a range of from 185 to 264 VAC, 16A service,
in an international environment.
• Use only the 14-foot (4.3-meter) AC power cords shipped with the system.
• Provide a dedicated power source with its own circuit breaker for each
AC-input power supply installed in the router.
• Install an uninterruptable power source where possible.
Power plug types used in North America, Australia, and Europe are described in
Table 2-1 and shown in Figure 2-3.