ARC DSP 9612 Betriebsanweisung

DSP 9612 Flash Poll ModemUser’s Guide0049−0117−100 Rev. A Complements of ARC Electronics 800-926-0226 arc@arcele

Hardware OverviewPage 11Figure 2-2. Back View of Model DSP9612-LV ModemFront ViewThe Model DSP9612FP and Model 9612-LV modems have identicalfront pane

InstallationPage 12Installation SummaryThe modem installation involves the following steps:1. Finding a suitable location for the modem. See the sect

Configuring the ModemPage 13Configuring the ModemYou configure the modem using the three sets of DIP switches on thebottom of the modem.,IMPORTANTIt i

InstallationPage 14SW1 DIP Switch SettingsSW1 is an 8-position DIP switch. Table 2-1 shows the modem switchsettings for DIP switch SW1. A description

Configuring the ModemPage 15SW1-1 through SW1-4 − Transmit LevelSwitches SW1-1 through SW1-4 adjust the modem’s transmit level.Table 2-2 shows the tra

InstallationPage 16SW1-5 − Receiver Dynamic RangeSW1-5ON = −10 to −43 dBmOFF = +3 to −30 dBmFor a low receive signal level, set SW1-5 to ON (−43 dBm )

Configuring the ModemPage 17SW2 DIP Switch SettingsSW2 is an 8-position DIP switch. Table 2-3 shows the modem switchsettings for DIP switch SW2. A des

InstallationPage 18SW2-1  FSK ModeSW2-1 ON = ITU-T V.23 modeOFF = Bell 202 modeThe modem has two FSK modes: Bell 202, which supports data rates fro

Configuring the ModemPage 19wire, half-duplex mode (SW3-7 ON), the modem squelches thereceiver after RTS is turned off to prevent far-end echoes from

InstallationPage 20When the modem is configured for V.23 operation (SW2-1 ON), theRTS-CTS delay is fixed at 33 ms.SW2-6  FSK CD Delay (Bell 202 Mode

Page iiiContentsCHAPTER 1 INTRODUCTION... 5FEATURES...

Configuring the ModemPage 21SW3 DIP Switch SettingsSW3 is a 10-position DIP switch. Table 2-5 shows the modem switchsettings for DIP switch SW3. A des

InstallationPage 22SW3-1 − Fast Poll Auto Rate/FSKSW3-1 ON = Low-Speed Mode (FSK)OFF = High-Speed Mode (Fast Poll)The modem has two operating modes:

Configuring the ModemPage 23SW3-2 − Data Rate (Fast-Poll Mode Only)SW3-2 ON = 4800 bpsOFF = 9600 bpsSW3-2 configures the modem speed. When the modem i

InstallationPage 24SW3-5 − Transmitter TerminationSW3-5 ON = Switched by RTSOFF = 600 ΩSW3-5 is used for multi-point configuration networks. When mult

Configuring the ModemPage 25SW3-8 − Carrier ControlSW3-8 ON = ConstantOFF = SwitchedSW3-8 selects either constant or switched carrier. Constant carrie

InstallationPage 26Connecting to a Transmission LineThe modem has a transmission line interface that can be configured for2- or 4-wire, analog connect

Connecting to a Voltage SourcePage 27Figure 2-4. Transmission Line InterfaceConnecting to a Voltage SourceThe back panel of the modem provides the pow

InstallationPage 28,WARNINGBefore you connect a voltage source, observe thefollowing power supply voltage guidelines.Otherwise, you will void your war

LEDsPage 29LEDsThe front panel of the modem provides the LEDs shown in Table 2-8.Table 2-8. Modem LEDsLED Color DescriptionPWRGreen Power InputRTSYell

InstallationPage 30Loopback Control SwitchThe front panel of the modem has a push button for initiating thefollowing loopback diagnostic tests: Loca

ContentsPage ivNOTES

Page 31Appendix ATroubleshootingn the event you encounter a problem using your modem,refer to the troubleshooting information in this appendix.,IMPORT

TroubleshootingPage 32Table A-1. Troubleshooting SuggestionsIf… Perform These Procedures…problem.The RTS, CTS, and TxDLEDs do not blink.The attached t

Page 33Appendix BDIP Switch SummarySwitch SettingsSwitchesON OFF (Default)SW1-1 − 1-4: Transmit Level (page 15)(see Table 2-2 on page 15)SW1-5: Receiv

DIP Switch SummaryPage 34Switch SettingsSwitchesON OFF (Default)SW3-1: Fast Poll/FSK (page 22) FSK Fast Poll Auto-RateSW3-2: Data Rate (page 23) 4800

Page 35Appendix CSpecificationsGeneral SpecificationsData rate: 9600, 4800, or 0-1800 bps asynchronousData format: 8 or 9 data bits with 1 or more sto

SpecificationsPage 36Receiverdynamic range: 0 to –30 dBm or –10 to –43 dBmOperatingtemperature: -40°C to +85°CPower supply: Wide range switching power

Interface Connector Pin AssignmentsPage 37Interface Connector Pin AssignmentsLeased Line Terminal Block Pin AssignmentsThis PinNumber…Corresponds toT

SpecificationsPage 38RS-232 (DTE) InterfaceSignal Name Modem Input/Output DB25 Pin DescriptionEarth GND1 Earth GroundTXD Input 2 Transmit DataRXD Out

CompliancesPage 39CompliancesThe modem is designed to meet the following agency requirements:EMI/RFI:FCC part 15 for Class A computing deviceIndustry

SpecificationsPage 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 DCompliancesThis device complies with Part 15A of the FCC Rules. Operation is subject tothe following two conditions: (1) this device

CompliancesPage 42Department of Canada StatementThis Class A digital apparatus meets all requirements of the CanadianInterference-Causing Equipment Re

Page 43Appendix ELimited ProductWarrantyworkmanship and perform to applicable published specifications for a period of18 months from the date of deliv

Page 44Appendix F RMA ProcedureReturn Merchandise Authorization (RMA) ProcedureBefore returning any product, an RMA number must be obtained.Before ask

RMA ProcedurePage 45

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: At least one of the f

InstallationPage 10 A power supply that provides either:− 85 to 265 Volts AC, 50 to 60 Hz, single phase or 85 to400 VDC (if you have the model DSP9