JPS Communications, Inc
Installation and Operation Manual
RTU-292 RADIO / TELEPHONE INTERFACE UNIT
JPS P/N
Warranty
RTU-292 Operations Manual
PROPRIETARY STATEMENT
Table of Contents
RTU-292 Operations Manual
JPS Communications, Inc
4-19
RTU-292 Operations Manual
4 RTU-292 THEORY OF OPERATION
JPS Communications, Inc
5.3 COMMANDS SENT TO THE RTU-292
5 REMOTE CONTROL PROTOCOL
5.2 RS-232 REMOTE CONTROL OVERVIEW
RTU-292 Operations Manual
RTU-292 Operations Manual
MAINTENANCE AND REPAIR
SCHEMATIC DIAGRAMS
6-19
List Of Figures
RTU-292 Operations Manual
JPS Communications, Inc
List of Tables
RTU-292 Operations Manual
JPS Communications, Inc
Glossary
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JPS Communications, Inc
1.2 DESCRIPTION
1 General Information
1.1 SCOPE
RTU-292 Operations Manual
1.3.1 MAIN BOARD
1.3 ASSEMBLIES
RTU-292 Operations Manual
1.3.1.1 Telephone Interface
RTU-292 Operations Manual
1.3.1.6 Power Supply Section
1.3.2 FRONT PANEL SWITCH ASSEMBLIES
1.3.1.2 Handset/Speaker Interface
RTU-292 Operations Manual
Equipment and Accessories Supplied
Accessory Kit
Part Number
RTU-292 Operations Manual
1.3.4 OPTIONS
Optional Equipment - Not Supplied
RADIO INTERFACE J1, Male DB-9 Connector
RTU-292 SPECIFICATIONS
TELEPHONE LINE INTERFACE J2, Male DB-9 Connector
RTU-292 Operations Manual
2.2 UNPACKING AND INSPECTION
2 Installation
2.1 GENERAL
2.3 RESHIPMENT OF EQUIPMENT
RTU-292 Operations Manual
2.4 INSTALLATION OVERVIEW
2.5 INSTALLATION CONSIDERATIONS
FRAGILE - ELECTRONIC EQUIPMENT
Adjustment
Table 2-1 RTU-292 Factory Default Settings
Feature / Function
Default Setting
2.7.2 DC INPUT POWER SELECTION
2.6 POWER REQUIREMENTS
2.7 INPUT POWER SELECTION
RTU-292 Operations Manual
2.8.2 SETTING TELEPHONE SEND AND RECEIVE LEVELS
2.8 CONFIGURING THE RTU-292
2.8.1 PROGRAMMING MODE SETUP PARAMETERS
RTU-292 Operations Manual
RTU-292 Operations Manual
Recommended Phone Line Settings
Factory default settings are indicated by an asterisk
Type of System
VOX Hangtime
RTU-292 Operations Manual
2.8.3 VOX HANGTIME
SW2-6
2.8.6 RX LINE INPUT IMPEDANCE
2.8.8 TELEPHONE RING VOLUME
RTU-292 Operations Manual
2.8.7 DIAL MODE
RTU-292 Operations Manual
Disabled
Enabled
Full/Half Duplex
Passwords
2.8.12 PASSWORD PROTECTION
Table 2-10 Password Protection
Table 2-11 Voice Prompts Enable
RTU-292 Operations Manual
2.9 INTERCONNECT INFORMATION
Table 2-12 Local Phone Enable
SW1-7
Table 2-15 J1 - TEL LINE RJ-11C
RTU-292 Operations Manual
2.9.1 TELEPHONE CONNECTION
Function
Table 2-16 P1-RADIO DB-9 Male
2.9.3 HANDSET CONNECTOR
RTU-292 Operations Manual
Function
Table 2-18 Terminal Block 6 Position
RTU-292 Operations Manual
2.9.4 TERMINAL BLOCK
Function
2.10.1 SETTING THE TRANSMIT LEVEL
2.10 AUDIO LEVEL SETUP AND ADJUSTMENTS
Table 2-19 P2 - RS-232 Connector DB-9 Male
RTU-292 Operations Manual
2.10.2 SETTING THE RECEIVE LEVEL
RTU-292 Operations Manual
2.10.1.2
occasionally on voice peaks. Note that the PEAK indicator responds only to incoming radio audio, not telephone audio
RTU-292 Operations Manual
JPS Communications, Inc
Figure 2-1 Outline Dimensions
RTU-292 Operations Manual
2-18
JPS Communications, Inc
Figure 2-2 Control and Connector Locations
RTU-292 Operations Manual
2-19
JPS Communications, Inc
Figure 2-3 Location Of Internal Option Settings
RTU-292 Operations Manual
2-20
JPS Communications, Inc
Figure 2-4 Internal Option Setting Details
RTU-292 Operations Manual
2-21
JPS Communications, Inc
Figure 2-5 Audio Interface Wiring Diagram
RTU-292 Operations Manual
2-22
JPS Communications, Inc
RTU-292 Operations Manual
Figure 2-6 Interface Details
2-23
Installation Checklist
2.11 INSTALLATION CHECKLIST
2.12 OPTIONS INSTALLATION AND CONFIGURATION
RTU-292 Operations Manual
3.1 GENERAL
3.2 FRONT PANEL CONTROLS, INDICATORS AND CONNECTORS
3 Operation
3.2.1 MAIN POWER SWITCH
RTU-292 Operations Manual
3.2.7 SPEAKER VOLUME CONTROL
3.2.8 PHONES VOLUME CONTROL
3.2.6 KEYPAD
3.2.12 TEL VOX
RTU-292 Operations Manual
3.2.11 SPEAKER BUTTONS
3.2.13 AUTO ANS BUTTON
3.3.4 J2 LOCAL PHONE CONNECTOR
3.3 REAR PANEL CONNECTORS
3.3.1 P1 RADIO CONNECTOR
3.3.5 P2 RS-232 CONNECTOR
3.4.1 OPERATION OVERVIEW
3.4 OPERATION
RTU-292 Operations Manual
3.4.2 USE OF THE RTU-292 SPEAKER TO MONITOR AUDIO
RTU-292 Operations Manual
3.4.6 USING THE HANDSET WITH THE RADIO
3.4.7 CONNECTING THE RADIO TO THE TELEPHONE LINE
3.4.4 RECEIVING A TELEPHONE CALL
3.4.7.2 CONTINUOUS ADAPTATION
3.4.8 MANUAL PHONE PATCH PROCEDURE
RTU-292 Operations Manual
3.4.8.1
3.4.8.4
RTU-292 Operations Manual
3.4.8.3
3.4.8.5
3.7 AUTOMATED OPERATION
3.5 REMOTE KEY
3.6 SELF TEST
3.7.1.2 Negative Acknowledge ERROR
3.7.1.3 Waiting For Input QUERY
3.7.1.6 Disconnecting DISCONNECT
RTU-292 Operations Manual
3.7.1.4 Radio Is Keyed KEYED
3.7.3.1 The Caller Dials The RTU-292
3.7.3.2 The Caller Enters The Password if enabled
RTU-292 Operations Manual
3.7.3.3 The RTU-292 Adapts To The Phone Line
RTU-292 Operations Manual
3.7.3.4 The RTU-292 Enters the COMMAND Mode
3.7.4 PLACING A CALL IN THE COMMAND MODE
3.7.5 TERMINATING A CALL
3.7.6 DTMF CONTROL COMMANDS
RTU-292 Operations Manual
3.7.6.1 OPERATING THE RTU-292 FROM THE FRONT PANEL KEYPAD
RTU-292 Operations Manual
Table 3-1 Standard DTMF Operational Commands
DTMF Command
Function
RTU-292 Operations Manual
Table 3-2 Programming Mode DTMF Commands
DTMF Command
Function
3.7.9 CALLING TIMER
3.7.7 RTU-292 PASSWORD PROTECTION
3.7.8 INACTIVITY DISCONNECT TIMER
RTU-292 Operations Manual
RTU-292 Operations Manual
3.7.10 USING THE RTU-292 SPEED DIAL FEATURE
3.7.10.2 Using the Speed Dial Feature
3.7.10.1 Programming the Speed Dial Directory
3.7.11 OPTIONAL 4 WIRE OPERATION
3.8 FACTORY RESET
3.9 SPEED DIAL RESET
RTU-292 Operations Manual
4.1 GENERAL
4.2 FRONT PANEL BUTTONS AND INDICATORS
4 RTU-292 Theory Of Operation
4.3 MAIN BOARD
4.3.2.1 Telephone Send Circuits
RTU-292 Operations Manual
4.3.2 TELEPHONE INTERFACE CIRCUITS
4.3.2.2 Telephone Receive Circuits
4.3.3 RADIO INTERFACE CIRCUITS
RTU-292 Operations Manual
4.3.2.3 Ring Detector and Tone Ringer
4.3.3.1 Receiver Input Amplifier
4.3.3.5 FSK Modem
RTU-292 Operations Manual
4.3.3.4 DTMF Detector
4.3.4 HANDSET/ SPEAKER INTERFACE
4.3.6.2 Noise Generator
RTU-292 Operations Manual
4.3.6.1 Adaptive Hybrid
4.3.6.3 Peak Detector
4.3.7.2 DC Power Supply
4.3.7 POWER SUPPLY
4.3.7.1 AC Power Supply
RTU-292 Operations Manual
RTU-292 Operations Manual
4.4 OPTION INTERFACE BOARD
4.5 VOICE PROMPT OPTION
4.3.9 PROMPT TONE GENERATOR
4.5.3 VOICE PROMPT SOFTWARE
4.6 LOCAL PHONE OPTION
RTU-292 Operations Manual
4.6.1 INTERFACE CIRCUITRY
5.3 COMMANDS SENT TO THE RTU-292
5 Remote Control Protocol
5.2 RS-232 REMOTE CONTROL OVERVIEW
5.1 GENERAL
Table 5-1 Command Summary
RTU-292 Operations Manual
5.3.3 Audible Ring Command
5.3.1 NULL Command
5.3.2 Auto Answer Command
RTU-292 Operations Manual
use this command
5.3.4 Date Command
5.3.5 Dial Command
RTU-292 Operations Manual
RTU-292 Operations Manual
5.3.6 Disconnect Command
5.3.7 DTMF Command
DISC CR
RTU-292 Operations Manual
5.3.8 Handset Phone Command
5.3.9 Handset Radio Command
HSPH ONOFF? CR
RTU-292 Operations Manual
5.3.10 Speaker Phone Command
5.3.11 Speaker Radio Command
SPKRPH ONOFF? CR
SD nnALL num.? CR
5.3.12 Speed Dial Command
RTU-292 Operations Manual
JPS Communications, Inc
RTU-292 Operations Manual
5.3.13 Tel-Line Phone Command
5.3.14 Tel-Line Radio Command
TELLINEPH ONOFF? CR
must be enabled before use. See
5.3.15 Time Command
5.3.16 Software Version Command
RTU-292 Operations Manual
Response Summary
RTU-292 Operations Manual 5.4 STATUS RETURNED FROM THE RTU-292
Response error codes are outlined in section
Call Progress responses are listed in section
5.4.1 NULL Response
enabled before use. See
RTU-292 Operations Manual
5.4.2 Auto Answer Response
5.4.5
RTU-292 Operations Manual
5.4.4 Dial Response
Disconnect Response
5.4.7 Elapsed Time Response
be enabled before use. See
RTU-292 Operations Manual
5.4.8 Handset Phone Response
5.4.11 Speaker Radio Response
RTU-292 Operations Manual
5.4.10 Speaker Phone Response
JPS Communications, Inc
5.4.13 Tel-Line Phone Response
RTU-292 Operations Manual
5.4.12 Speed Dial Response
5.4.14 Tel-Line Radio Response
5.4.15 Time/Date Response
Logging Feature must be enabled before use. See
RTU-292 Operations Manual
5.4.16 Version Response
Response Error Codes
5.6 RESPONSE ERROR CODES
5.5 CALL PROGRESS RESPONSES FROM THE RTU-292
RTU-292 Operations Manual
6.3 REPAIR OR REPLACEMENT
6 Maintenance and Repair
6.2 PREVENTIVE MAINTENANCE
6.5 PERFORMANCE TESTING
RTU-292 Operations Manual
6.5.2 HYBRID BALANCE MEASUREMENT
6.5.2.1 Main Hybrid Test Procedure
RTU-292 Operations Manual
Figure 6-1 Hybrid Balance Test Set-Up
6.5.2.2 Alternate Hybrid Test Procedure
RTU-292 Operations Manual
Figure 6-2 VOX Sensitivity Test Set-Up 6.5.3.1 VOX Test Procedure
RTU-292 Operations Manual
6.5.3 VOX SENSITIVITY MEASUREMENT
JPS Communications, Inc
Fault Analysis
RTU-292 Operations Manual
6-24
Handset Switch Assembly
Table 6-2 Replaceable Parts List
Chassis Assembly
Speaker Switch Assembly
JPS Communications, Inc
RTU-292 Main PCB Assembly
RTU-292 Operations Manual
6-26
Reference Designator
RTU-292 Main PCB Assembly continued
Description
RTU-292 Operations Manual
RTU-292 Operations Manual
RTU-292 Main PCB Assembly continued
Reference Designator
JPS Communications, Inc
RTU-292 Operations Manual
7 RTU-292 Options
7.1 GENERAL
7.1.1 Special Software Versions
Voice Prompts Enable
7.2 VOICE PROMPT OPTION
7.2.1 INSTALLATION AND CONFIGURATION
Disabled
Figure 7-1 Voice Prompt Option Installation
RTU-292 Operations Manual
JPS Communications, Inc
Local Phone Enable
7.3 LOCAL PHONE OPTION
7.3.1 LOCAL PHONE OPTION INSTALLATION AND CONFIGURATION
Disabled
RTU-292 Operations Manual
Table 7-5 Local Phone DTMF Commands
DTMF Command Function
7.3.2 LOCAL PHONE OPTION OPERATION
7.4.1 VMM-100 Hardware
7.4 VMM-100 OPTION
RTU-292 Operations Manual
7.4.1.1 VMM-100 DSP Section
7.4.2 VMM-100 Software
7.4.3 VMM-100 INSTALLATION AND CONFIGURATION
RTU-292 Operations Manual
7.4.2.1 VMR Algorithm
Figure 7-3 VMM-100 Option Installation
RTU-292 Operations Manual
GENERAL
VMM-100 SPECIFICATIONS
RTU-292 Operations Manual
ENVIRONMENTAL
Table 7-8 VMM-100 Switch Functions
Table 7-7 VMM-100 I/O CONNECTOR INFORMATION P9
Signal
RTU-292 Operations Manual
7.5.2 RTU-292 Response to Attention Signal
7.5 DTMF ACCESS OPTION
7.5.1 Initiate Call Via Attention Signal
RTU-292 Operations Manual
RTU-292 Operations Manual
7.5.6 After the Call Begins
7.6.2 RTU-292 Response to Attention Signal
7.6 SQUELCH BREAK ACCESS OPTION
7.6.1 Initiate Call Via Attention Signal
RTU-292 Operations Manual
7.7.3 Setting The Date
7.7 THE CALL LOGGING OPTION
7.7.2 Setting The Time
RTU-292 Operations Manual
7.8 RADIO CONTROL OPTION
RTU-292 Operations Manual
7.8.1 CONTROLLING THE RADIO VIA THE RTU-292 FRONT PANEL KEYPAD
Command Description
Table 7-9 DTMF Radio Control Commands
Command
RTU-292 Operations Manual
RTU-292 Operations Manual
8 SCHEMATIC DIAGRAMS
8.1 GENERAL
Figure 8-3 DSP Module
RTU-292 Operations Manual
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JPS Communications, Inc
9 Index
RTU-292 Operations Manual
JPS Communications, Inc
RTU-292 Operations Manual
JPS Communications, Inc
RTU-292 Operations Manual
JPS Communications, Inc
RTU-292 Operations Manual
JPS Communications, Inc