This unit might have more than one power supply connection. All connections must be removed to de-energize
the unit. Statement 1028
Danger
Blank faceplates and cover panels serve three important functions: they prevent exposure to hazardous voltages
and currents inside the chassis; they contain electromagnetic interference (EMI) that might disrupt other
equipment; and they direct the flow of cooling air through the chassis. Do not operate the system unless all
cards, faceplates, front covers, and rear covers are in place. Statement 1029
Danger
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
Danger
Do not use this product near water; for example, near a bathtub, wash bowl, kitchen sink or laundry tub, in a
wet basement, or near a swimming pool. Statement 1035
Danger
Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations.
Statement 1036
Danger
Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the
network interface. Statement 1037
Danger
Avoid using a telephone (other than a cordless type) during an electrical storm. There may be a remote risk
of electric shock from lightning. Statement 1038
Danger
To report a gas leak, do not use a telephone in the vicinity of the leak. Statement 1039
Danger
Before opening the unit, disconnect the telephone-network cables to avoid contact with telephone-network
voltages. Statement 1041
Danger
Cisco 450 Voice Gateway Hardware Installation Guide
17
Installing the Cisco VG450 Voice Gateway
Maintaining Safety with Electricity