CHAPTER 1
INTRODUCTION
Revised: 22 Aug 11
1-1
EST P/N AA107A
BEFORE YOU BEGIN
Thank you and congratulations on your purchase of the
ESTeem Model 195Ea Wireless Ethernet Radio Modem!
This manual was written to help both the first time and
advanced user of the 195Ea configure the radio modem for
your application. If this is your first time configuring the
195Ea and you would like to get going as soon as possible,
we recommend using the
ESTeem Resource CD
provided
with the modem. The Resource CD will provide the software
utilities and guide you through the configuration of the
wireless modem for your application.
The ESTeem 195Ea is a very versatile wireless Ethernet networking device. To keep the manual usably short,
many of the application descriptions and programming details assume the user has a good working knowledge of
the following network concepts:
General Ethernet networking and the configuration of LAN topologies
Common Ethernet terminology and acronyms
TCP/IP network protocol structure and how to configure TCP/IP
networks and subnets
How to identify and set the TCP/IP address on your computer
Have administrator privileges to the computer and network you are configuring
If using routing protocols, you must be able to identify and configure the network routers, gateways and firewalls
You must be familiar with using web browser software such as Internet Explorer, Netscape or Mozilla
If you are unfamiliar with any of the above networking concepts, you may need to contact your network administrator for
assistance.
MODEL 195Ea OVERVIEW
The ESTeem Model 195Ea is a wireless
LAN transceiver that can be used to build a
Wireless Local Area Network (WLAN) for
line-of-sight distances to 15 miles for fixed
base and 5 miles for mobile applications.
The 195Ea can provide RF data rates up to
54 Mbps and can have a serial port for
legacy RS-232 devices. The Model 195Ea is
a very sophisticated networking device that
can be configured for multiple modes of
operation depending upon the needs of the
wireless and wired LAN system. The
following configuration modes are provided
as an overview of the basic network types,
as all possible network configurations can
not be listed. For further help in selecting the
correct network type, please contact
Customer Support at 509-735-9092.
Figure 1: ESTeem Model 195Ea
Throughout this User’s Manual are
“
Technical Tips
” in boxes like this that
have been added to help answer the
most commonly asked questions.
Figure 2: Access Point Bridge Diagram