Cisco Systems XR 12404 manual Compliance and Safety Information

Chapter 2 Preparing for Installation

Safety and Compliance

•A Cisco XR 12404 Router configured with a DC PEM requires a dedicated 35–Amp DC circuit breaker for the DC power source. This circuit breaker should protect against short-circuit and overcurrent faults in accordance with United States National Electrical Code NFPA 70 (United States), Canadian Electrical Code, part I, CSA C22.1; CSA C22.2 No. 0 (Canada) and IEC 364 (other countries).

•Only a DC power source that complies with the safety extra-low voltage (SELV) requirements in UL60950, CSA 60950, EN60950, and IEC 60950 can be connected to a Cisco XR 12404 Router DC PEM.

•A Cisco XR 12404 Router configured with a DC PEM is to be installed in a restricted access area and in accordance with Articles 110–18, 110–26, and 110–27 of the National Electric Code, ANSI/NFPA 70.

•A Cisco XR 12404 Router configured with a DC power distribution unit (PDU) shall have a readily accessible disconnect device incorporated in the fixed wiring.

Compliance and Safety Information

The Cisco XR 12404 Router is designed to meet the regulatory compliance and safety approval requirements. Refer to the Regulatory Compliance and Safety Information for the Cisco XR 12000 Series Routers.

Preventing Electrostatic Discharge Damage

Electrostatic discharge (ESD) damage to circuit boards can occur if they are handled improperly. Such mishandling can result in intermittent or complete failures of the board.

When handling circuit boards, observe the following guidelines to prevent ESD damage.

•Always use an ESD-preventive ankle or wrist strap and ensure that the strap makes adequate contact with your skin.

•The ankle or wrist strap protects equipment from ESD voltages on the body only; ESD voltages on clothing can still cause damage to electronic components.

	Cisco XR 12404 Router Installation Guide
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