Instruction manual

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SC932 Table of Contents
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1. General Description....................................................1
2. Specifications .............................................................2
3. Installation...................................................................3
3.1 Two Way Communication ........................................................................3
3.2 One Way Communication.........................................................................4
3.3 Two Way or One Way Communication....................................................4
3.4 Jumper Descriptions..................................................................................6
4. RAD Modem Application ............................................7
4.1 RAD Modem - Two Way..........................................................................7
4.2 RAD Modem - One Way ..........................................................................8
4.3 RAD Modem - Two Way or One Way .....................................................9
4.4 RAD Modem Wiring and Grounding........................................................9
4.5 Testing RAD Modem Communication ...................................................11
Figures
1. SC932 9-Pin to RS-232-DCE Interface ......................................................1
2. SC932 Jumper Locations ............................................................................5
3. SC932 Jumper Descriptions........................................................................5
4. Two Way Communication ..........................................................................7
5. One Way Communication...........................................................................8
6. Two Way or One Way Communication......................................................9
7. Installation of Spark Gap Protection.........................................................10
Table
1. Approximate Range, miles and km.............................................................7