Cautions And Regulatory Compliance Statements For Nebs - Cisco NCS 540 Hardware Installation Manual

Cautions and Regulatory Compliance Statements for NEBS

• Locate the room's emergency power-off switch. If an electrical accident occurs, you know where to
• Before starting work on the system, turn off the DC main circuit breaker and disconnect the power
• Disconnect all power when:
• Never install equipment that appears damaged.
• Carefully examine your work area for possible hazards, such as moist floors, ungrounded power extension
• Never assume that power is disconnected from a circuit; always check.
• Never perform any action that creates a potential hazard to people or makes the equipment unsafe.
• If an electrical accident occurs and you are uninjured:
Use the following guidelines when working with any equipment that is disconnected from a power source,
but connected to telephone wiring or network cabling:
• When installing or modifying telephone lines, use caution.
• Never install telephone jacks in wet locations unless the jack is designed to handle such locations.
• Never install telephone wiring during a lightning storm.
Cautions and Regulatory Compliance Statements for NEBS
The NEBS-GR-1089-CORE regulatory compliance statements and requirements are discussed in this section.
Warning
The intrabuilding port(s) of the equipment or subassembly, which is the management Ethernet port, must use
shielded intrabuilding cabling/wiring that is grounded at both ends. Statement 7003
Cisco Network Convergence System 540 Large Density Routers Hardware Installation Guide
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quickly turn off the power.
terminal block cable.
• Working on or near power supplies
• Installing or removing a device chassis or network processor module
• Performing most hardware upgrades
cables, and missing safety grounds.
• Use caution to avoid injuring yourself.
• Turn off power to the device.
• Seek medical attention, if necessary.
Safety Warnings