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Important Safety Instructions Installing the MDW 9031/9031DCP Pocket Phone 2
MDW 9031/9031DCP Wireless Pocket Phone Installation and Use
503-801-166 Issue 3 October 1999 11
• This product uses a 3-prong plug. Such plugs are designed for your safety. Do not
attempt to defeat this purpose. If your wall outlet will not accept the plug, the
outlet should be replaced by an electrician.
WARNING:
!
Failure to properly ground this product will result in a risk of electrical
shock, which can cause serious personal injury. This product requires a
3-prong AC outlet for safe operation. You should have your outlet
checked by a qualified electrician (see “AC Outlet Check” below) before
connecting this equipment.
AC Outlet Check
Have a qualified electrician check all of the outlets into which the MDW 9031/9031DCP radio modules or
carriers, as well as the communications system switch/control unit, will be plugged. The electrician should check
that the hot, neutral, and ground wires are properly connected to the outlet by using a circuit tester.
The outlet can also be tested using a voltmeter to take the measurements as shown:
If the outlet does not meet the electrical specifications for grounded outlets, your MDW 9031/9031DCP Pocket
Phone may not operate properly.
Note: If there is no current to the outlet or the voltages are not correct, the
problem should be corrected by a qualified electrician.
120 Volts
Neutral
Less than
1 volt
120
volts
G
Phase
Go to “Installation Overview for Radio Modules and Carriers.”