Nortel Networks RTU-292 Manual do Utilizador

Installation and Operation Manual RTU-292 RADIO / TELEPHONE INTERFACE UNIT Designed and Manufactured by: JPS Communications, I

RTU-292 Operations Manual This page intentionally left blank. JPS Communications, Inc. 10

RTU-292 Operations Manual 7.4 VMM-100 OPTION The VMM-100 VMR Module implements Voice Modulation Recognition (VMR) which enables the receive audio pat

RTU-292 Operations Manual 7.4.2 VMM-100 Software The VMM-100 DSP software can provide voice

RTU-292 Operations Manual The dipswitches on the VMM-100 module may be changed at any time during operation; the DSP is constantly checking the states

RTU-292 Operations Manual Table 7-6 VMM-100 SPECIFICATIONS GENERAL Frequency Response 100

RTU-292 Operations Manual Table 7-7 VMM-100 I/O CONNECTOR INFORMATION (P9) Pin Signal 1 Audio Input (see specs above) 2 Audio Output (see specs ab

RTU-292 Operations Manual 7.5 DTMF ACCESS OPTION This option allows a radio user to use his

RTU-292 Operations Manual If the number is busy, the busy tones will be broadcast for approximately 5 seconds before the RTU-292 terminates the call a

RTU-292 Operations Manual 7.6 SQUELCH BREAK ACCESS OPTION This option allows a radio user w

RTU-292 Operations Manual as a warning. The radio caller or the phone user may initiate activity within 5 seconds of the warning beeps to reset the t

RTU-292 Operations Manual 7.8 RADIO CONTROL OPTION When this software option is enabled, t

RTU-292 Operations Manual 1 General Information 1.1 SCOPE This instruction manual provides

RTU-292 Operations Manual While the operator is using the keypad to control the RTU-292, the unit will not be available for: • PSTN Auto Answering.

RTU-292 Operations Manual 8 SCHEMATIC DIAGRAMS 8.1 GENERAL This section has all RTU-292 sc

RTU-292 Operations Manual Blank Page JPS Communications, Inc. 8-2

RTU-292 Operations Manual 9 Index * C * #...

RTU-292 Operations Manual DTMF Detector... 4-22, 4-23 INACTIVITY DISCONNECT TIMER ...

RTU-292 Operations Manual PTT...

RTU-292 Operations Manual Speaker Phone Response... 5-15 Speaker Radio Command...

RTU-292 Operations Manual automatic. The unit will continuously adapt to changing line conditions, making operation insensitive to line impedance chan

RTU-292 Operations Manual 1.3.1.2 Handset/Speaker Interface The Handset/Speaker Interface Se

RTU-292 Operations Manual Table 1-1 Equipment and Accessories Supplied Qty Part Number Item 1 5970-600000 RTU-292 Standard 1 5970-600200 Operation

RTU-292 Operations Manual 1.3.4 OPTIONS RTU-292 options include the: The Voice Prompt Optio

RTU-292 Operations Manual Table 1-3 RTU-292 SPECIFICATIONS TELEPHONE LINE INTERFACE (J2, Male DB-9 Connector) Output & Input Levels to Phone Lin

RTU-292 Operations Manual 2 Installation 2.1 GENERAL This section provides the instruction

RTU-292 Operations Manual Mark all sides of the package: FRAGILE - ELECTRONIC EQUIPMENT Inspect the package prior to shipment to be sure it is

RTU-292 Operations Manual Table 2-1 RTU-292 Factory Default Settings This table describes

RTU-292 Operations Manual Warranty JPS Communications, Inc. warrants its manufactured equipment to be free from defects in materials and workmanship,

RTU-292 Operations Manual 2.6 POWER REQUIREMENTS The RTU-292 is designed to operate from 115V or 230V, 47 to 63 Hz, single phase AC power source. Th

RTU-292 Operations Manual and +28 VDC (nominal) supplies. The unit will automatically switc

RTU-292 Operations Manual Table 2-2 Recommended Phone Line Settings Type of System Send & Receive Levels Dial-Up lines in a U.S. Domestic phone

RTU-292 Operations Manual 2.8.3 VOX HANGTIME The RTU-292 VOX circuitry holds the radio in t

RTU-292 Operations Manual 2.8.6 RX LINE INPUT IMPEDANCE The factory setting for the Receive Line input impedance is 600 Ohms, but if a high input im

RTU-292 Operations Manual Table 2-7 Full/Half Duplex SW2-8 Full/Half Duplex Off Full Duple

RTU-292 Operations Manual 2.8.12 PASSWORD PROTECTION Dipswitch SW1-5 enables or disables the RTU-292's password protection feature. Password pr

RTU-292 Operations Manual Table 2-12 Local Phone Enable SW1-7 Local Phone Off Disabled On

RTU-292 Operations Manual 2.9.1 TELEPHONE CONNECTION Connect the telephone line to the PHONE J1 RJ11C standard modular connector. The unit will work

RTU-292 Operations Manual Table 2-16 P1-RADIO (DB-9 Male) Pin Function 1 Balanced Recei

RTU-292 Operations Manual Table of Contents 1 GENERAL INFORMATION ...

RTU-292 Operations Manual 2.9.4 TERMINAL BLOCK The terminal block on the rear panel is supplied for convenience when interfacing the RTU-292 to a com

RTU-292 Operations Manual 2.9.5 RS-232 CONNECTION Use P2 on the rear panel to connect to th

RTU-292 Operations Manual 2.10.1.2 Adjust TX Level Adjust so that the transmitter is just fully modulated. If the transmitter is AM or SSB, use its o

RTU-292 Operations Manual occasionally on voice peaks. Note that the PEAK indicator respond

RTU-292 Operations Manual Figure 2-1 Outline Dimensions JPS Communications, Inc. 2-18

RTU-292 Operations Manual Figure 2-2 Control and Connector Locations JPS Communications,

RTU-292 Operations Manual Figure 2-3 Location Of Internal Option SettingsJPS Communications, Inc. 2-20

RTU-292 Operations Manual Figure 2-4 Internal Option Setting Details JPS Communications,

RTU-292 Operations Manual Figure 2-5 Audio Interface Wiring DiagramJPS Communications, Inc. 2-22

RTU-292 Operations Manual Figure 2-6 Interface Details JPS Communications, Inc. 2-23

RTU-292 Operations Manual 3.1 GENERAL ...

RTU-292 Operations Manual 2.11 INSTALLATION CHECKLIST Table 2-20 Installation Checklist Provide suitable Mounting and Cooling. See Section 2.5. Che

RTU-292 Operations Manual 3 Operation 3.1 GENERAL This section contains information and ins

RTU-292 Operations Manual 3.2.6 KEYPAD The 12-key keypad is used for telephone dialing. It is active only when the TEL LINE/PHONE path is selected.

RTU-292 Operations Manual 3.2.11 SPEAKER BUTTONS These two buttons, SPEAKER/PHONE and SPEAKE

RTU-292 Operations Manual 3.3 REAR PANEL CONNECTORS Accessible at the RTU-292 rear panel are the radio connector, telephone line and local phone conne

RTU-292 Operations Manual 3.4 OPERATION 3.4.1 OPERATION OVERVIEW The RTU-292 is a flexible

RTU-292 Operations Manual 3.4.4 RECEIVING A TELEPHONE CALL NOTE The handset-to-telephone path may be left in the enabled condition (HANDSET/PHONE L

RTU-292 Operations Manual noise source is switched off, the LED is lit continuously, and the

RTU-292 Operations Manual 3.4.8.3 Once the telephone and radio party have both been contacted, the operator should advise the telephone party that a

RTU-292 Operations Manual 3.4.10 TRANSMITTER KEYING, FULL DUPLEX SYSTEM In a full duplex sy

RTU-292 Operations Manual 4.2 FRONT PANEL BUTTONS AND INDICATORS...

RTU-292 Operations Manual 3.7.1.3 Waiting For Input (QUERY) When the RTU-292 needs user input it will play 1 short low-pitched tone followed by 1 sho

RTU-292 Operations Manual The following paragraphs describe the sequence of operations used

RTU-292 Operations Manual 3.7.3.4 The RTU-292 Enters the COMMAND Mode After the RTU-292 completes the adaptation sequence, it enters the Command Mode

RTU-292 Operations Manual the unit signals that it is dropping the link due to a lack of act

RTU-292 Operations Manual Table 3-1 Standard DTMF Operational Commands These commands may be entered by the RTU-292 front panel keypad, or by the ke

RTU-292 Operations Manual Table 3-2 Programming Mode DTMF Commands These commands may be e

RTU-292 Operations Manual 3.7.7 RTU-292 PASSWORD PROTECTION The password protection feature is enabled by a dipswitch setting (SW1-5, see Table 2-1)

RTU-292 Operations Manual 3.7.10 USING THE RTU-292 SPEED DIAL FEATURE The RTU-292 has the

RTU-292 Operations Manual 3.7.11 OPTIONAL 4 WIRE OPERATION The unit can be set to operate with a four wire device instead of a standard 2 wire phone

RTU-292 Operations Manual 4 RTU-292 Theory Of Operation 4.1 GENERAL This section gives eno

RTU-292 Operations Manual 5.4.15 Time/Date Response...

RTU-292 Operations Manual 4.3.2 TELEPHONE INTERFACE CIRCUITS 4.3.2.1 Telephone Send Circuits Amplifier U1B generates the Telephone Send signal (the au

RTU-292 Operations Manual the signal at A/D 2 from that at A/D 1 and the difference appears

RTU-292 Operations Manual 4.3.3.4 DTMF Detector Circuit U25 is a DTMF detector/decoder dedicated to listening for DTMF signals from the radio. Its in

RTU-292 Operations Manual 4.3.6.1 Adaptive Hybrid The adaptive hybrid is the central functio

RTU-292 Operations Manual 4.3.7 POWER SUPPLY The power supply is detailed in page 8 of 9, Figure 8-2. It supplies regulated DC voltages of +5V, +12V,

RTU-292 Operations Manual Bus drivers U60 and U61 are the input devices for the front panel

RTU-292 Operations Manual 4.5.3 VOICE PROMPT SOFTWARE The voice prompt board software receives the prompt number command through J1 and translates it

RTU-292 Operations Manual 5 Remote Control Protocol 5.1 GENERAL Included in this section a

RTU-292 Operations Manual When a command is sent to the RTU-292 it is buffered up and acted on as soon as possible. Once the command has been execute

RTU-292 Operations Manual 5.3.1 NULL Command <CR> This command may be used as a quic

RTU-292 Operations Manual List Of Figures FIGURE 2-1 OUTLINE DIMENSIONS ...

RTU-292 Operations Manual 5.3.4 Date Command DATE <ddmmyy> <CR> This command is used to check or set the date on the RTU-292 internal c

RTU-292 Operations Manual 5.3.6 Disconnect Command DISC <CR> This command is used t

RTU-292 Operations Manual 5.3.8 Handset Phone Command HS_PH <ON|OFF|?> <CR> This command is to enable, disable or query the current st

RTU-292 Operations Manual 5.3.10 Speaker Phone Command SPKR_PH <ON|OFF|?> <CR&g

RTU-292 Operations Manual 5.3.12 Speed Dial Command SD <nn|ALL> <num|.|?> <CR> This command is used to program or review data i

RTU-292 Operations Manual 5.3.13 Tel-Line Phone Command TEL_LINE_PH <ON|OFF|?> <

RTU-292 Operations Manual 5.3.15 Time Command TIME <hhmmss> <CR> This command is used to check or set the time on the RTU-292 internal

RTU-292 Operations Manual 5.4 STATUS RETURNED FROM THE RTU-292 The following section descri

RTU-292 Operations Manual 5.4.1 NULL Response % Exx <CR> Type: Synchronous. Response To: NULL Command. This response is given after rec

RTU-292 Operations Manual 5.4.4 Dial Response %DIAL <OPER|LP|number string> Exx <C

RTU-292 Operations Manual List of Tables TABLE 1-1 EQUIPMENT AND ACCESSORIES SUPPLIED ...

RTU-292 Operations Manual 5.4.7 Elapsed Time Response %Connection dropped, elapsed time: hh:mm:ss Exx <CR> Type: Asynchronous. Response To:

RTU-292 Operations Manual 5.4.10 Speaker Phone Response %SPKR_PH <ON|OFF> Exx <

RTU-292 Operations Manual 5.4.12 Speed Dial Response %SD <nn> <num|”is empty.”> Exx <CR> Type: Synchronous. Response To: Spee

RTU-292 Operations Manual 5.4.15 Time/Date Response %dd-MON-yy hh:mm:ss <CR> Type:

RTU-292 Operations Manual 5.5 CALL PROGRESS RESPONSES FROM THE RTU-292 The following section describes the responses the user may expect from the RTU

RTU-292 Operations Manual 6 Maintenance and Repair 6.1 GENERAL Included in this section ar

RTU-292 Operations Manual 6.5.2 HYBRID BALANCE MEASUREMENT The test procedure outlined below allows measurement of the hybrid balance, or trans-hybrid

RTU-292 Operations Manual Figure 6-1 Hybrid Balance Test Set-Up 6.5.2.1 Main Hybrid Test

RTU-292 Operations Manual 6.5.2.2 Alternate Hybrid Test Procedure This alternate test procedure uses a more easily obtainable audio signal generator

RTU-292 Operations Manual 6.5.3 VOX SENSITIVITY MEASUREMENT The following test procedure me

RTU-292 Operations Manual Glossary Adaptation The process whereby the RTU-292 DSP algorith

RTU-292 Operations Manual Table 6-1 Fault Analysis No LEDs light after power-up Check for correct setting of DC voltage switch S6. Check for prope

RTU-292 Operations Manual Table 6-2 Replaceable Parts List 5970501000 Chassis Assembly Par

RTU-292 Operations Manual 5970506100 RTU-292 Main PCB Assembly Part No. Description Reference Designator 320010500 Cap, elect, 1uF, 5

RTU-292 Operations Manual 5970506100 RTU-292 Main PCB Assembly (continued) Part No. Descr

RTU-292 Operations Manual 5970506100 RTU-292 Main PCB Assembly (continued) Part No. Description Reference Designator 1820912000 Resistor,

RTU-292 Operations Manual 7 RTU-292 Options 7.1 GENERAL Included in this section are instal

RTU-292 Operations Manual 7.2 VOICE PROMPT OPTION When the Voice Prompt Option is installed, the RTU-292 will send helpful prompts to system users to

RTU-292 Operations Manual Figure 7-1 Voice Prompt Option Installation JPS

RTU-292 Operations Manual 7.3 LOCAL PHONE OPTION The RTU-292 has an extra rear panel modular phone jack that allows a standard DTMF telephone set t

RTU-292 Operations Manual 7.3.2 LOCAL PHONE OPTION OPERATION When the handset of the local