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Safety with Electricity
Class 1 CDRH) and Class 1M (IEC) laser products. Statement 1055
Warning
Warning
Invisible laser radiation may be emitted from the end of the unterminated fiber cable or connector. Do not
view directly with optical instruments. Viewing the laser output with certain optical instruments (for
example, eye loupes, magnifiers, and microscopes) within a distance of 100 mm may pose an eye hazard.
Statement 1056
Safety with Electricity
Before working on a chassis or working near power supplies, unplug the power cord on AC units; disconnect
Warning
the power at the circuit breaker on DC units. Statement 12
Before working on equipment that is connected to power lines, remove jewelry (including rings, necklaces,
Warning
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
Do not work on the system or connect or disconnect cables during periods of lightning activity. Statement
Warning
1001
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Warning
Statement 1003
Read the installation instructions before connecting the system to the power source. Statement 1004
Warning
Warning
This product relies on the building's installation for short-circuit (overcurrent) protection. For -48/-60
VDC installation, the wire shall be 8 AWG minimum with a 40 A circuit breaker. Statement 1005
Warning
This product relies on the building's installation for short-circuit (overcurrent) protection. For an AC
installation, ensure that the branch circuit breaker is rated a maximum 20A.
Cisco ASR 907 Router Hardware Installation Guide
20
Preparing for Installation
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