User Guide
7
Figure 5-2. Installation of Spark Gap Protection
Occasionally, a customer needs to transmit data across longer or smaller gage
wires or at higher speeds than can be done with the RAD modem powered by the
SC105. RAD does sell a 9-volt power supply that will boost the signals enough to
meet some of these more demanding applications. Please contact RAD for more
information.
5.3
Testing RAD Modem Communication
The modem communication link is divided into the following three sections:
1) RAD modem computer end, 2) cable from computer modem to datalogger
modem, 3) RAD modem datalogger end. When unable to establish
communication with the datalogger, test each of the three sections.
Before proceeding through the testing procedures, a terminal emulator software
program such as
HyperTerminal
TM
or Campbell Scientific’s datalogger support
software (
Test Terminal Emulator
) must be used to communicate through the
