Cisco NCS 1004 Hardware Installation Manual page 37

Install Cisco NCS 1004
Figure 34: Stacking the NCS 1004
General Power and Grounding Requirements
General power and grounding requirements are:
• Installation of the routing system must follow national and local electrical codes:
• Two separate and independent AC or DC power sources are needed to provide 2N redundancy for system
• Each power source must provide clean power to the site. If necessary, install a power conditioner.
• The site must provide short-circuit (over-current) protection for devices.
• Proper grounding is required at the site to ensure that equipment is not damaged by lightning and power
• In the United States: United States National Fire Protection Association (NFPA) 70 and United
States National Electrical Code (NEC).
• In Canada: Canadian Electrical Code, part I, CSA C22.1.
• In other countries: International Electrotechnical Commission (IEC) 60364, parts 1 through 7.
power. Each power source requires its own circuit breaker.
surges.
Note Ground lug connection is mandatory for the AC chassis version too.
General Power and Grounding Requirements
Hardware Installation Guide for Cisco NCS 1004
35