Telenetics DSP 9612 manual Applications, Network of Multipoint Configuration

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Applications

Applications

The DSP9612 modem is designed for point-to-point and multipoint data communications. Figure 1-1 shows a typical multipoint configuration.

Figure 1-1. Network of Multipoint Configuration

There are a number of factors that can affect the network’s and modem’s operation and performance. These include:

Operating speed

2-wire or 4-wire configuration

Transmission line characteristics, noise, and line impairments

Network configuration (point-to-point or multipoint)

Number of nodes on the network

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Contents DSP 9612 Flash Poll Modem User’s Guide Contents Contents Chapter Introduction Features Network of Multipoint Configuration ApplicationsIntroduction Chapter Installation Unpacking Your HardwareAdditional Items You Need Installation Hardware OverviewFront View Installation Summary Finding a Suitable LocationConfiguring the Modem SW1 DIP Switch Settings SW1-1 through SW1-4 − Transmit Level SW1-5 − Receiver Dynamic Range SW2 DIP Switch Settings SW2-1  FSK Mode SW2-3  FSK Soft Carrier Bell 202 FSK Mode Only SW2-6  FSK CD Delay Bell 202 Mode Only SW3 DIP Switch Settings SW3-1 − Fast Poll Auto Rate/FSK SW3-2 − Data Rate Fast-Poll Mode Only SW3-5 − Transmitter Termination SW3-8 − Carrier Control Connecting to a Transmission Line Shows the transmission line interfaceConnecting to a Voltage Source Transmission Line InterfaceConnecting an RS-232 Device LEDs DLBLoopback Control Switch Illustrates these three diagnosticsAppendix a Troubleshooting Problem SolvingProblem Appendix B DIP Switch Summary DIP Switch Summary Appendix C Specifications General SpecificationsMechanical Specifications Power supplyInterface Connector Pin Assignments Environmental Specifications RS-232 DTE InterfaceCompliances Specifications Appendix D Compliances Department of Canada Statement Appendix E Limited Product Warranty Appendix F RMA Procedure Return Merchandise Authorization RMA ProcedureRMA Procedure