Safety with Electricity
Warning
This unit might have more than one power supply connection. All connections must be removed to de-energize
the unit. Statement 1028
Warning
To prevent personal injury or damage to the chassis, never attempt to lift or tilt the chassis using the handles
on modules (such as power supplies, fans, or cards); these types of handles are not designed to support the
weight of the unit. Statement 1032
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
Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations.
Statement 1036
Warning
Before opening the unit, disconnect the telephone-network cables to avoid contact with telephone-network
voltages. Statement 1041
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
Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide
54
Preparing for Installation