455U-D Radio Modem
User Manual
Page
4
©
Jan 2016
How to Use This Manual
To receive the maximum benefit from your 455U-D product, please read the
Introduction
,
Installation
and
Configuration
chapters of this manual
thoroughly before putting the 455U-D to work.
Chapter Four
Specifications
details the features of the product and lists the
standards to which the product is approved.
Chapter Five
Troubleshooting
will help if your system has problems and
Chapter Seven specifies the
Warranty and Service
conditions.
The foldout sheet 455U-D
Installation Guide
is an installation drawing
appropriate for most applications.
WARNING
1.
To avoid the risk of electrocution, the antenna, antenna cable, and all
terminals of the 455U-D module should be electrically protected. To
provide maximum surge and lightning protection, the module should be
connected to a suitable earth and the antenna, antenna cable, and the
module should be installed as recommended in the Installation Guide.
2.
To avoid accidents during maintenance or adjustment of remotely
controlled equipment, all equipment should be first disconnected from the
455U-D module during these adjustments. Equipment should carry clear
markings to indicate remote or automatic operation. eg. "This equipment
is remotely controlled and may start without warning. Isolate at the
switchboard before attempting adjustments."
3.
The 455U-D module is not suitable for use in explosive environments
without additional protection.
4.
All antenna installation and servicing should be done by qualified
personal only. When installing or working near the antenna it is
important to ensure that the transmitter is not operating,
ensure the
transmitter is disabled.
5.
The antenna can have very high RF radiating fields and must be installed
so that under normal operating conditions that a person cannot approach
within 2.3 metres (7.5 feet) of the antenna. See chapter 2 for antenna
installation guidelines.
