Safety Guidelines
Before you begin the installation, review the safety guidelines in this chapter to avoid injuring yourself or
damaging the equipment.
In addition, before replacing, configuring, or maintaining the router, review the safety warnings listed in the
Regulatory Compliance and Safety Information document.
Safety Warning Statements
Before working on a system that has an on/off switch, turn OFF the power and unplug the power cord.
Statement 1
Warning
This unit might have more than one power supply connection. All connections must be removed to
de-energize the unit. Statement 1028
Warning
This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the
absence of a suitably installed ground conductor. Contact the appropriate electrical inspection authority
or an electrician if you are uncertain that suitable grounding is available. Statement 1024
Warning
Before working on equipment that is connected to power lines, remove jewelry (including rings, necklaces,
and watches). Metal objects will heat up when connected to power and ground and can cause serious burns
or weld the metal object to the terminals. Statement 43
Warning
For other standard warning messages and their translations, see the
Regulatory Compliance and Safety
Information for the Cisco ASR 920 Series Aggregation Services Router
document.
Safety Guidelines for Personal Safety and Equipment Protection
The following guidelines help ensure your safety and protect the equipment. This list does not include all the
potentially hazardous situations. Therefore, you should be on alert.
•
Before moving the system, always disconnect all the power cords and interface cables.
•
Never assume that power is disconnected from a circuit; always check.
•
Before and after installation, keep the chassis area clear and dust free.
•
Keep tools and assembly components away from walk areas where you or others could trip over them.
•
Do not work alone if potentially hazardous conditions exist.
•
Do not perform any action that creates a potential hazard to people or makes the equipment unsafe.
Cisco ASR-920-12SZ-IM Aggregation Services Router Hardware Installation Guide
20
Preparing for Installation
Safety Guidelines
