Cisco NCS 540 Installation Manual page 15

Preparing for Installation
Warning
Use copper conductors only. Statement 1025
Warning This unit might have more than one power supply connection. All connections must be removed to de-energize
the unit. Statement 1028
Warning
Connect the unit only to DC power source that complies with the safety extra-low voltage (SELV) requirements
in IEC 60950 based safety standards. Statement 1033
Warning Do not use this product near water; for example, near a bath tub, wash bowl, kitchen sink or laundry tub, in
a wet basement, or near a swimming pool. Statement 1035
Warning This equipment must be installed and maintained by service personnel as defined by AS/NZS 3260. Incorrectly
connecting this equipment to a general-purpose outlet could be hazardous. The telecommunications lines must
be disconnected 1) before unplugging the main power connector or 2) while the housing is open, or both.
Statement 1043
Warning
This product requires short-circuit (overturned) protection, to be provided as part of the building installation.
Install only in accordance with national and local wiring regulations. Statement 1045
Warning
When installing or replacing the unit, the ground connection must always be made first and disconnected last.
Statement 1046
Warning Installation of the equipment must comply with local and national electrical codes. Statement 1074
When working on equipment powered by electricity, follow these guidelines:
• Locate the room's emergency power-off switch. If an electrical accident occurs, you will be able to
quickly turn off the power.
• Before starting work on the system, turn off the DC main circuit breaker and disconnect the power
terminal block cable.
• Before doing the following, disconnect all power:
Cisco Network Convergence System 540 Passive Cooled Small Density Routers Hardware Installation Guide
• Working on or near power supplies
• Installing or removing a router chassis or network processor module
• Performing most hardware upgrades
Safety with Electricity
9