DSP 9612 Flash Poll ModemUser’s Guide0049−0117−000 Rev. B Complements of ARC Electronics 800-926-0226 [email protected]
Hardware OverviewPage 11Front ViewFigure 2-2 shows the front view of the modem. Starting from the leftside, this view shows:c A set of nine LEDs. See
InstallationPage 12Installation SummaryThe modem installation involves the following steps:1. Finding a suitable location for the modem. See the secti
Configuring the ModemPage 13High-Speed (Fast Poll) ModeTable 2-1 shows the modem switch settings that can be used when themodem is configured for high
InstallationPage 14SW1-1 through SW1-4 − Transmit Level (high- & low-speed modes)Switches SW1-1 through SW1-4 adjust the modem’s transmit level.Ta
Configuring the ModemPage 15SW1-5 − Receiver Dynamic Range (high- & low-speed modes)SW1-5ON = −10 to −43 dBmOFF = +3 to −30 dBmFor a low receive s
InstallationPage 16SW2-1 − Fast Poll/FSK (high- & low-speed modes)SW2-1 ON = Low-Speed Mode (FSK)OFF = High-Speed Mode (Fast Poll)SW2-1 configures
Configuring the ModemPage 17SW2-8 − Carrier Control (high- & low-speed modes)SW2-8 ON = ConstantOFF = SwitchedSW2-8 selects either constant or swi
InstallationPage 18Low-Speed (FSK) ModeTable 2-3 shows the modem switch settings that can be used when themodem configured for low-speed (FSK) mode. T
Configuring the ModemPage 19SW1-1 through SW1-4 − Transmit Level (high- & low-speed modes)Switches SW1-1 through SW1-4 adjust the modem’s transmit
InstallationPage 20SW1-5 − Receiver Dynamic Range (high- & low-speed modes)SW1-5ON = −10 to −43 dBmOFF = +3 to −30 dBmFor a low receive signal lev
Page iiiContentsCHAPTER 1 INTRODUCTION...5FEATURES...
Configuring the ModemPage 21SW2-1 − Fast Poll/FSK (high- & low-speed modes)SW2-1 ON = Low-Speed Mode (FSK)OFF = High-Speed Mode (Fast Poll)SW2-1 c
InstallationPage 22SW2-5 − Soft Carrier (low-speed mode only)SW2-5 ON = DisabledOFF = EnabledSW2-5 controls the soft carrier and is valid for low-spee
Connecting to a Transmission LinePage 23In switched-carrier mode (SW2-8 set to OFF), the RTS/CTS delay is23 ms.SW 2-9 − RX Termination (high- & lo
InstallationPage 24Table 2-6. Transmission Line Connector Pin AssignmentsThis Pin Number… Corresponds to This Signal…1Rx2Rx3Tx4TxFigure 2-3. Transmiss
Connecting to a Voltage SourcePage 25Connecting to a Voltage SourceThe back panel of the modem provides the power interface. Forconvenience, the modem
InstallationPage 26Connecting an RS-232 DeviceThe modem back panel provides a female, 25-pin RS-232 connectorthat accepts an attached RS-232 device (s
Loopback Control SwitchPage 27Loopback Control SwitchThe front panel of the modem has a push button for initiating thefollowing loopback diagnostic te
InstallationPage 28NOTES
Page 29Appendix ATroubleshootingn the event you encounter a problem using your modem,refer to the troubleshooting information in this appendix.,IMPORT
TroubleshootingPage 30Table A-1. Troubleshooting SuggestionsIf… Perform These Procedures…problem.The RTS, CTS, and TxDLEDs do not blink.The attached t
ContentsPage ivNOTES
Page 31Appendix BSpecificationsGeneral SpecificationsData rate: 9600, 4800, or 0-1800 bps asynchronousData format: 8 or 9 data bits with 1 or more sto
SpecificationsPage 32Receiverdynamic range: 0 to –30 dBm or –10 to –43 dBmOperatingtemperature: -40°C to +85°CPower supply: Wide range switching power
Interface Connector Pin AssignmentsPage 33Interface Connector Pin AssignmentsLeased Line Terminal Block Pin AssignmentsThis PinNumber…Corresponds toT
SpecificationsPage 34RS-232 (RTU) InterfaceSignal Name ModemInput/OutputDB25 Pin DescriptionEarth GND1 Earth GroundTXD Input 2 Transmit DataRXD Outpu
CompliancesPage 35CompliancesThe modem is designed to meet the following agency requirements:EMI/RFI:FCC part 15 for Class A computing deviceIndustry
SpecificationsPage 36NOTES
Page 37Appendix CCompliancesThis device complies with Part 15A of the FCC Rules. Operation is subject tothe following two conditions: (1) this device
CompliancesPage 38NOTES
Page 39Appendix DLimited ProductWarrantyWe warrants that the Product sold will be free from defects in material andworkmanship and perform to applicab
Limited Product WarrantyPage 40NOTES
Page 5Chapter 1 Introductionongratulations for purchasing the finest industrial-grade fast-poll modem available.The DSP9612 (Flash Poll) modem is a 96
Page 41Appendix E RMA ProcedureReturn Merchandise Authorization (RMA) ProcedureBefore returning any product, an RMA number must be obtained.Before ask
RMA ProcedurePage 42
IntroductionPage 6FeaturesThe DSP9612 modem is specifically designed for harsh environmentsfound in utility substations and industrial facilities. Tho
ApplicationsPage 7ApplicationsThe DSP9612 modem is designed for point-to-point and multipointdata communications. Figure 1-1 shows a typical multipoin
IntroductionPage 8NOTES
Page 9Chapter 2 Installationhis chapter describes how to install the modem.Unpacking Your HardwareYour package should include:c At least one DSP9612FP
InstallationPage 10Hardware OverviewBack ViewFigure 2-1 shows the back view of the DSP9612FP modem. Startingfrom the left side, this view shows:c A 4-
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