ESTeem 195C, User Manual, Page: 7 / 75

CHAPTER 1
INTRODUCTION
Revised: 15 Feb 2017 1-1 ESTeem Models 195MHC
Before You Begin
Thank you and congratulations on your purchase of the ESTeem Model 195M (150 ‐
174 MHz), 195H (217 ‐ 220 MHz) or 195C (450 ‐ 470 MHz) Wireless Radio Modem!
This manual was written to help both the first time and advanced user of the
195M/H/C to configure the wireless modem for your application.
The ESTeem 195M/H/C wireless modems are programmed through their Ethernet
interface for both serial and Ethernet applications. 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

You must be familiar with using web browser software such as Internet Explorer, Chrome or Firefox
If you are unfamiliar with any of the above networking concepts, you may need to contact your network administrator for
assistance.
Model 195M/H/C Overview
The ESTeem Model 195M/H/C are wireless modem transceivers that can
be used to build many types of Wireless Local Area Networks (WLAN). The
ESTeem 195M/H/C series have multiple serial (RS ‐ 232, RS ‐ 422 and RS ‐ 485),
Ethernet and 4/20mA sensor interfaces. The Model 195M/H/C can be
configured for multiple modes of operation depending upon the needs of
the wireless and wired network. The following interface configurations are
provided as an overview of the basic network types, as all possible network
configurations cannot be listed. For further help in selecting the correct
network type, please refer to Chapter 3 of this User’s Manual or call
Customer Support at 509 ‐ 735 ‐ 9092.
Serial Applications
A Model 195M/H/C can be configured for point ‐ to ‐ point, multipoint or PLC
emulations through software configuration changes. The following are
brief descriptions of the Serial Device Interface (SDI) configuration modes.
For detailed descriptions and suggested applications for each mode, please
refer to Chapter 3.
RS ‐ 232 – The ESTeem 195M/H/C has two (2) RS ‐ 232 data ports. One RS ‐ 232 port (Port 4) is available for use when the ESTeem
195M/H/C is remote pole mounted (Figure 2), but only supports the basic three wire (Transmit, Receive and Ground) connection
Figure 1: ESTeem Model 195M/H/C Series
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 – Pole Mount Configuration