User Manual

Glossary
IE – Microsoft Internet Explorer.
IP address – Internet Protocol address. Unique identifier for each device connected to a network.
ISP – Internet Service Provider.
Licence free – Term used to describe the frequency band in which the system operates in terms of licence to broadcast.
RF500 uses the licence free Industrial, Scientific and Medical (ISM) band of 2.4GHz where operators and users are not
required to purchase any kind of licence in order to use the product.
Modem – Device for connecting to an analogue phone line to communicate with another Personal Computer remotely.
Used to dial-in to the Gateway for user access and service. Can also be used to send email alarms via Internet dial-up
account.
Password – A password is a string of characters that is used for user authentication. The password is personal and
should be kept secret.
Pt100 – Platinum Resistance Device for measuring temperature.
RF – An abbreviation of the words Radio Frequency. Commonly used to describe “wireless radio communication”.
RH – Relative Humidity. The amount of water vapour present in the atmosphere expressed as a percentage of the
maximum that could be present at the same temperature.
Users – A user is anyone who is able to log onto an IT system such as RF500.
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