Installing 40W and 50W ERT Modules
The 50W contains two batteries
The 50W ERT module can be programmed two ways:
1. Wake-Up Mode: A “wake-up” signal is sent from the meter-reading device* to the ERT module,
which responds with data transmission. This configuration requires an FCC license.
2. “Bubble-Up” Mode. In this mode, the FCC requires that no wake-up signal be sent. The
transmission of data from the ERT module occurs at preset times. No wake-up signal is needed
and no FCC license is required for this type of installation. To turn off the transmitter from the meter-
reading device, refer to the operating instructions for that device.
The 40W ERT module functions only in the “wake-up” mode.
*Such as a Data Command Unit (DCU) or DataPac
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SECTION 1. INTRODUCTION
This section overviews the installation procedures, and the physical and functional features of the 40W
and 50W ERT modules. This section also lists the specific meters that are compatible with these
modules and illustrates their various configurations. Finally, this section lists the available installation
kits and the tools and materials you’ll need to install the 40W and 50W modules.
1.1 Installation Procedures
INSTALLATION PROCEDURES FOR THE 40W AND 50W ARE IDENTICAL
1.2 Physical Features
The only visible difference is that the 40W contains one battery, and the 50W contains two batteries.
The 40W contains one battery
1.3 Functional Features
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