Reference Designator | Nortel Networks RTU-292 guide

RTU-292 Operations Manual

5970506100	RTU-292 Main PCB Assembly (continued)
Part No.	Description	Reference Designator
1820912000	Resistor, carb, 1/4w, 9100 ohm	R3,5,28,29
1821102000	Resistor, carb, 1/2w, 1000 ohm	R207
1826020000	Resistor, Varistor, RMS200V	RV1
1827400050	Resistor, ww, 5W, 40 ohm	R203,204,205,206
1828759030	Resistor, pwr ox, 3W, 7.5 ohm	R213,214
1829101040	Resistor Pack, 9x100K, 10 pin SIP	RP1,2,3,4
1920280000	Socket, IC, non-ret tin, 28p WDIP	For U40
1920520000	Socket, IC, non-ret, 52 pin PLCC	For U46
1941008000	Sw, pcb, SPSTx8, dip	SW1,SW2
1944020001	Sw, slide, DPDT, 6A @ 125VAC	S6
2020016001	Xfmr, audio, 1:1, min.	T1,T2,T3
2021334000	Xfmr, Pwr, 115/230 VAC, 34 VAC @ 700mA	T4
2040080200	Xstr, bipolar, darl, MJE 802, NPN	Q1,24
2043041240	Xstr, bipolar, sml sig, 2N4124, NPN	Q2
2047070000	Xstr, Fet, n-channel, 2N7000	Q3-8,Q10-23,25,26

JPS Communications, Inc.

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Image 94

Nortel Networks RTU-292 operation manual Reference Designator

Contents

JPS Communications, Inc JPS P/N Revision July Proprietary Statement Phone 919 Fax 919 Table 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 Scope Description General Main Board AssembliesTelephone Interface Radio Interface Power Supply SectionHandset/Speaker Interface DSP Module Equipment and Accessories Supplied Qty Part Number Options Optional Equipment Not Supplied RTU-292 Specifications Unpacking and Inspection GeneralReshipment of Equipment Installation Considerations Installation OverviewFCC Part 68 Regulations 1RTU-292 Factory Default Settings Feature / Function Adjustment Default Setting DC Input Power Selection Power RequirementsInput Power Selection Line Voltage Selection Programming Mode Setup Parameters Configuring the RTU-292Setting Telephone Send and Receive Levels Type of System Recommended Phone Line SettingsFactory default settings are indicated by an asterisk Telephone Send/Receive Levels VOX Sensitivity VOX HangtimeVOX Hangtime VOX Sensitivity Telephone Ring Volume Dial ModeDial Mode RX Line Input Impedance Full/Half Duplex Radio Control ModeSW1-3 Radio Control Off Disabled Enabled SW2-8 Full/Half Duplex Off Full Duplex 11Voice Prompts Enable Password Protection10Password Protection Voice Prompts Interconnect Information 12Local Phone Enable14TX Level Set-up Mode 13 Local Phone Ringthrough Pin Function Telephone Connection15J1 TEL Line RJ-11C Radio Connection 16P1-RADIO DB-9 Male Handset Connector17J7 Handset RJ12C Jack Terminal Block 18Terminal Block 6 Position Setting the Transmit Level Audio Level Setup and Adjustments19P2 RS-232 Connector DB-9 Male 5 RS-232 Connection Setting the Receive Level 10.1.2 RTU-292 Operations Manual Outline Dimensions Control and Connector Locations Location Of Internal Option Settings Internal Option Setting Details Audio Interface Wiring Diagram Interface Details Options Installation and Configuration Installation ChecklistInstallation Checklist Front Panel CONTROLS, Indicators and Connectors Keypad Speaker Volume ControlPhones Volume Control TEL Line Buttons Audible Ring Button Speaker ButtonsAuto ANS Button KEY Pushbutton 4 J2 Local Phone Connector Rear Panel Connectors1 P1 Radio Connector 7 P1 AC Power Connector USE of the RTU-292 Speaker to Monitor Audio OperationOperation Overview Placing a Telephone Call Receiving a Telephone Call Using the Handset with the RadioConnecting the Radio to the Telephone Line Putting a Telephone Call on Hold 8.1 Manual Phone Patch Procedure8.2 8.5 8.38.4 8.6 Self Test Negative Acknowledge ErrorRemote KEY Automated Operation Radio Is Keyed Keyed Disconnecting DisconnectWaiting For Input Query Radio Is Unkeyed Unkeyed Caller Dials The RTU-292 Caller Enters The Password if enabledRTU-292 Adapts To The Phone Line Placing a Call in the Command Mode RTU-292 Enters the Command ModeTerminating a Call Dtmf Control Commands Operating the RTU-292 from the Front Panel Keypad 1Standard Dtmf Operational Commands Dtmf Command Function 2Programming Mode Dtmf Commands Inactivity Disconnect Timer RTU-292 Password ProtectionCalling Timer Using the Speed Dial Feature Using the RTU-292 Speed Dial FeatureProgramming the Speed Dial Directory Speed Dial Reset Factory ResetOptional 4 Wire Operation Main Board Front Panel Buttons and IndicatorsAudio BUS Arrangement Telephone Send Circuits Telephone Interface CircuitsTelephone Receive Circuits Receiver Input Amplifier Ring Detector and Tone RingerRadio Interface Circuits Transmitter Audio Output Microphone Circuit Dtmf DetectorFSK Modem Speaker and Headphone Circuits Noise Generator Audio DelayAdaptive Hybrid Peak Detector DC Power Supply Power SupplyAC Power Supply 8 CPU Prompt Tone Generator Option Interface BoardVoice Prompt Option Speech Processor Interface Circuitry Local Phone OptionVoice Prompt Software DIAL/BUSY Generators RS-232 Remote Control Overview Commands Sent to the RTU-292 1Command Summary Auto Answer Command Null CommandAudible Ring Command Date Command Dial Command Disconnect Command Dtmf Command Handset Phone Command Handset Radio Command Speaker Phone Command Speaker Radio Command Speed Dial Command SD nnALL num.? CR Tel-Line Phone Command Tel-Line Radio Command Time Command Software Version Command Status Returned from the RTU-292 Response Summary Auto Answer Response Null ResponseCall Starting Response Disconnect Response Dial ResponseDtmf Response Handset Phone Response Elapsed Time ResponseHandset Radio Response Speaker Phone Response Speaker Radio Response Tel-Line Phone Response Speed Dial ResponseTel-Line Radio Response Time/Date Response Version Response Call Progress Responses from the RTU-292 Response Error CodesResponse Error Codes Call Progress Responses Performance Testing Preventive MaintenanceRepair or Replacement Alignment Hybrid Balance Measurement Hybrid Balance Test Set-Up Main Hybrid Test Procedure Alternate Hybrid Test Procedure VOX Sensitivity Test Set-Up VOX Test Procedure VOX Sensitivity Measurement Fault Analysis Replaceable Parts List Description Description Reference Designator RTU-292 Operations Manual Reference Designator Special Software Versions RTU-292 Options SW1-6 Voice Prompts Off Disabled Enabled Installation and ConfigurationVoice Prompts Enable Operation Voice Prompt Option Installation SW1-7 Local Phone Off Disabled Enabled Local Phone Option Installation and ConfigurationLocal Phone Enable SW1-8 Ringthrough Off Disabled Enabled 5Local Phone Dtmf Commands Local Phone Option Operation VMM-100 DSP Section VMM-100 HardwareVMM-100 Analog Interface VMR Algorithm VMM-100 Installation and ConfigurationVMM-100 Software Noise Reduction Algorithm VMM-100 Option Installation VMM-100 Specifications Environmental VMM-100 I/O Connector Information P9 VMM-100 Switch Functions Dtmf Access Option After the Call Begins Squelch Break Access Option RTU-292 Prompts for Confirmation Call Logging Option Setting The TimeSetting The Date Checking The Time And Date Radio Control Option Controlling the Radio VIA the RTU-292 Front Panel Keypad 9DTMF Radio Control Commands Command Followed By Command Description Schematic Diagrams Blank Index Environmental Self Test Speech Processor