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Cisco ASR 920 Series Aggregation Services Router Hardware Installation Guide
OL-32751-01
Chapter 2 Preparing for Installation
Safety Guidelines
Warning
Do not work on the system or connect or disconnect cables during periods of lightning activity.
Statement 1001
Warning
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1003
Warning
Read the installation instructions before connecting the system to the power source.
Statement 1004
Warning
This product relies on the building’s installation for short-circuit (overcurrent) protection. For a DC
installation, ensure that the branch circuit breaker is rated a maximum 15A for DC systems. For AC
systems, 15A for voltages greater than 200Vac; 20A for voltages below 127Vac.
Statement 1005
Warning
This unit is intended for installation in restricted access areas. A restricted access area can be
accessed only through the use of a special tool, lock and key, or other means of security.
Statement 1017