User's Manual

5
Chapter 1.Introduction
This manual explains the hardware aspects of Adcon’s A753 addWAVE
GSM/GPRS Series 4 remote telemetry units, including installation
issues and certain parameter configurations. The manual is divided as
follows:
Introduction, which gives some general information and
document conventions.
Using the addWAVE, which details the installation and use of the
remote telemetry unit.
Performing Advanced Functions, which discusses connectors and
controllers and provides other information for advanced users.
Specifications, which describes operating parameters for the
devices.
AbouttheA753addWAVEGSM/GPRSSeries4
The A753 addWAVE GSM/GPRS Series 4 remote telemetry unit (RTU)
is a low-power, GSM/GPRS-based telemetry device with four digital
I/O ports, twelve analog inputs, and four counter inputs.
The A753 incorporates a GSM module and uses the standard GSM
network for retrieving telemetry data (900/1800 MHz in Europe, 850/
1900 MHz in the US).
The A753 is a ruggedized RTU, complying with the IP65 ingress
protection class (NEMA 4). Depending on topography, it ensures a
reliable wireless connection to your cellular service provider. Your
provider’s cellular network must cover the site where you want to