User's Manual Part 1

146 APCD-LM043-8.0 (DRAFT C)
9: Installing the EUM
9.4.2 Turning off the End-user’s Cordless Phones
Turn off all cordless phones in the customer’s premises, and any other equipment that uses
the 900MHz ISM band. Once the installation is complete, turn this equipment back on.
9.4.3 Choosing a Location for the EUM and Antenna
The location of the antenna has a significant effect on the performance of the EUM installation.
Before you connect the EUM components, follow the guidelines provided below for choosing
the best location for the antenna and the EUM.
Choosing the Best Location for the EUM
The best location for the EUM is
• indoors,
• upright,
• on a stable, flat surface, and
• in a position where its air vents are unobstructed.
NOTE: Avoid placing the EUM in direct sunlight or near other sources of
heat (such as an electric heater).
Choosing the Best Location for the Antenna
The best location for the antenna is
• indoors,
• near an outside entrance or window, preferably in the location with the best
possible path to the CCU, and
• a minimum of 20cm (8in.) from personnel.
9.4.4 Connecting the EUM Components
Now that you have chosen a suitable location, use the instructions in this section for
connecting the following components to the EUM, in the order shown in Figure 50:
• Antenna
• EUM AC/DC adaptor (DC cable first, then AC cable)