Nortel Networks operation manual RTU-292 Operations Manual

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RTU-292 Operations Manual

occasionally on voice peaks. Note that the PEAK indicator responds only to incoming radio audio, not telephone audio.

The range of the RX Level Adjust control is about -40 dBm to +10 dBm. If the level from the radio is outside this range, the correct level cannot be set using the RX Level Adjust control alone, and it will be necessary to adjust the audio output at the radio itself until the correct level is obtained.

NOTE

The proper operation and excellent performance of the RTU-292 will not be obtained if the audio level from the receiver into the RTU-292 is not set correctly. Excessive audio will overload the telephone line and equipment, causing distortion, VOX falsing and poor hybrid operation. In addition, the telephone company may cut off a call in progress, which contains audio high enough to bleed over into other circuits.

2-17	JPS Communications, Inc.

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Contents JPS P/N Revision July JPS Communications, IncPhone 919 Fax 919 Proprietary StatementTable of Contents RTU-292 Theory of Operation Front Panel Buttons and Indicators Schematic Diagrams List Of Figures List of Tables Glossary This page intentionally left blank General Scope DescriptionAssemblies Main BoardTelephone Interface Handset/Speaker Interface Power Supply SectionRadio Interface DSP ModuleQty Part Number Equipment and Accessories SuppliedOptional Equipment Not Supplied OptionsRTU-292 Specifications General Unpacking and InspectionReshipment of Equipment Installation Overview Installation ConsiderationsFCC Part 68 Regulations Feature / Function Adjustment Default Setting 1RTU-292 Factory Default SettingsInput Power Selection Power RequirementsDC Input Power Selection Line Voltage SelectionConfiguring the RTU-292 Programming Mode Setup ParametersSetting Telephone Send and Receive Levels Factory default settings are indicated by an asterisk Recommended Phone Line SettingsType of System Telephone Send/Receive LevelsVOX Hangtime VOX HangtimeVOX Sensitivity VOX SensitivityDial Mode Dial ModeTelephone Ring Volume RX Line Input ImpedanceSW1-3 Radio Control Off Disabled Enabled Radio Control ModeFull/Half Duplex SW2-8 Full/Half Duplex Off Full Duplex10Password Protection Password Protection11Voice Prompts Enable Voice Prompts14TX Level Set-up Mode 12Local Phone EnableInterconnect Information 13 Local Phone Ringthrough15J1 TEL Line RJ-11C Telephone ConnectionPin Function Radio ConnectionHandset Connector 16P1-RADIO DB-9 Male17J7 Handset RJ12C Jack 18Terminal Block 6 Position Terminal Block19P2 RS-232 Connector DB-9 Male Audio Level Setup and AdjustmentsSetting the Transmit Level 5 RS-232 Connection10.1.2 Setting the Receive LevelRTU-292 Operations Manual Outline Dimensions Control and Connector Locations Location Of Internal Option Settings Internal Option Setting Details Audio Interface Wiring Diagram Interface Details Installation Checklist Options Installation and ConfigurationInstallation Checklist Front Panel CONTROLS, Indicators and Connectors Phones Volume Control Speaker Volume ControlKeypad TEL Line ButtonsAuto ANS Button Speaker ButtonsAudible Ring Button KEY Pushbutton1 P1 Radio Connector Rear Panel Connectors4 J2 Local Phone Connector 7 P1 AC Power ConnectorOperation Overview OperationUSE of the RTU-292 Speaker to Monitor Audio Placing a Telephone CallConnecting the Radio to the Telephone Line Using the Handset with the RadioReceiving a Telephone Call Putting a Telephone Call on HoldManual Phone Patch Procedure 8.18.2 8.4 8.38.5 8.6Remote KEY Negative Acknowledge ErrorSelf Test Automated OperationWaiting For Input Query Disconnecting DisconnectRadio Is Keyed Keyed Radio Is Unkeyed UnkeyedCaller Enters The Password if enabled Caller Dials The RTU-292RTU-292 Adapts To The Phone Line RTU-292 Enters the Command Mode Placing a Call in the Command ModeTerminating a Call Operating the RTU-292 from the Front Panel Keypad Dtmf Control CommandsDtmf Command Function 1Standard Dtmf Operational Commands2Programming Mode Dtmf Commands RTU-292 Password Protection Inactivity Disconnect TimerCalling Timer Using the RTU-292 Speed Dial Feature Using the Speed Dial FeatureProgramming the Speed Dial Directory Factory Reset Speed Dial ResetOptional 4 Wire Operation Front Panel Buttons and Indicators Main BoardAudio BUS Arrangement Telephone Interface Circuits Telephone Send CircuitsTelephone Receive Circuits Radio Interface Circuits Ring Detector and Tone RingerReceiver Input Amplifier Transmitter Audio OutputFSK Modem Dtmf DetectorMicrophone Circuit Speaker and Headphone CircuitsAdaptive Hybrid Audio DelayNoise Generator Peak DetectorAC Power Supply Power SupplyDC Power Supply 8 CPUVoice Prompt Option Option Interface BoardPrompt Tone Generator Speech ProcessorVoice Prompt Software Local Phone OptionInterface Circuitry DIAL/BUSY GeneratorsCommands Sent to the RTU-292 RS-232 Remote Control Overview1Command Summary Null Command Auto Answer CommandAudible Ring Command Dial Command Date CommandDtmf Command Disconnect CommandHandset Radio Command Handset Phone CommandSpeaker Radio Command Speaker Phone CommandSD nnALL num.? CR Speed Dial CommandTel-Line Radio Command Tel-Line Phone CommandSoftware Version Command Time CommandResponse Summary Status Returned from the RTU-292Null Response Auto Answer ResponseCall Starting Response Dial Response Disconnect ResponseDtmf Response Elapsed Time Response Handset Phone ResponseHandset Radio Response Speaker Radio Response Speaker Phone ResponseSpeed Dial Response Tel-Line Phone ResponseTel-Line Radio Response Version Response Time/Date ResponseResponse Error Codes Response Error CodesCall Progress Responses from the RTU-292 Call Progress ResponsesRepair or Replacement Preventive MaintenancePerformance Testing AlignmentHybrid Balance Measurement Hybrid Balance Test Set-Up Main Hybrid Test Procedure Alternate Hybrid Test Procedure VOX Sensitivity Measurement VOX Sensitivity Test Set-Up VOX Test ProcedureFault Analysis Description Replaceable Parts ListDescription Reference Designator RTU-292 Operations Manual Reference Designator RTU-292 Options Special Software VersionsVoice Prompts Enable Installation and ConfigurationSW1-6 Voice Prompts Off Disabled Enabled OperationVoice Prompt Option Installation Local Phone Enable Local Phone Option Installation and ConfigurationSW1-7 Local Phone Off Disabled Enabled SW1-8 Ringthrough Off Disabled EnabledLocal Phone Option Operation 5Local Phone Dtmf CommandsVMM-100 Hardware VMM-100 DSP SectionVMM-100 Analog Interface VMM-100 Software VMM-100 Installation and ConfigurationVMR Algorithm Noise Reduction AlgorithmVMM-100 Option Installation Environmental VMM-100 SpecificationsVMM-100 Switch Functions VMM-100 I/O Connector Information P9Dtmf Access Option After the Call Begins RTU-292 Prompts for Confirmation Squelch Break Access OptionSetting The Date Setting The TimeCall Logging Option Checking The Time And DateControlling the Radio VIA the RTU-292 Front Panel Keypad Radio Control OptionCommand Followed By Command Description 9DTMF Radio Control CommandsSchematic Diagrams Blank Index Environmental Self Test Speech Processor