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Technical Manual

MX800 Transceiver T19 Option

1. T19/26 Line Interface Board.

The MX800 T19 / T26 option board provides the radio base station with utmost flexibility in
system design and capabilities, with an extensive range of new features.

Please consult Spectra, for the availability of these features or software upgrades. Not all features
are currently available.

◆

2Wire (VF Hybrid) or 4Wire Selection, Balanced Audio, Dual E+M,

◆

Base Station Variable Tone Voting

◆

Base Station Stepped Tone Voting

◆

Status Tone Encoding And Decoding (T19 only)

◆

Five Tone Encoded / Decoder (T19 only)

◆

Remote Control Capabilities

◆

VF Line compensation for SINAD Voters

◆

Real-time Clock

Figure 1-1 MX800 T19/T26Option Board

Due to ongoing development please refer to

www.spectraeng.com.au

for the latest information regarding this option.

Note

These are software selectable provided the correct option board is selected/used, and not

all option can be used in conjunction with each other. Some parts many not be populated.

Jumpers referred below are those on this option PCB.

Содержание RELM BK Radio MX800 T19

Страница 1: ...Base Station Repeater Receiver and Transmitter MX800 T19 Option T19 Technical Manual...

Страница 2: ...This page left blank intentionally...

Страница 3: ...ence is not accepted by Spectra Engineering Pty Ltd or any director officer agent or employee of Spectra Engineering Pty Ltd Copyright Spectra Engineering Pty Ltd 1997 2010 This work is copyright Othe...

Страница 4: ...MX800 Transceiver Technical Manual This page left blank intentionally 2 SPECTRA ENGINEERING 2010 Revision 1 0 4...

Страница 5: ...issued you will also receive a replacement for this page Date Version Chapter Changes Pages Changed 30 03 08 1 0 0 Initial Release 30 03 09 1 0 1 Added Tone Remote Section 10 06 09 1 0 2 Updated Sect...

Страница 6: ...environment constitutes a definite safety hazard DO NOT ATTEMPT INTERNAL SERVICE WHILE TRANSMITTING Thermal or RF burns may result from touching certain components within the power amplifier module w...

Страница 7: ...LCALL 21 1 6 4 Selecting the tone set 22 1 6 5 Configuring the SELCALL commands 22 1 6 6 Changing the SELCALL transmit preamble 24 1 6 7 Changing the SELCALL acknowledge preamble 24 1 7 Motorola TRICK...

Страница 8: ...ical Manual 2 1 2 Diagnostics Menu 41 2 1 3 Calibration Menu 42 3 Setting up HyperTerminal 43 4 Firmware Upgrade 49 4 1 Upgrade Procedure 49 4 1 1 Upgrade Steps 49 5 PCB Overlay 51 6 SPECTRA ENGINEERI...

Страница 9: ...ut Detail View from Rear of MX800 34 Figure 1 10 CN9 RJ45 Pin out Detail View from Rear of MX800 35 Figure 2 1 T19 T26 Main Software menu 37 Figure 2 2 T19 T26 configuration menu 38 Figure 2 3 T19 T26...

Страница 10: ...MX800 Transceiver Technical Manual Figure 0 1 T19 T26 PCB Overlay 51 8 SPECTRA ENGINEERING 2010 Revision 1 0 4...

Страница 11: ...iable Tone Voting Base Station Stepped Tone Voting Status Tone Encoding And Decoding T19 only Five Tone Encoded Decoder T19 only Remote Control Capabilities VF Line compensation for SINAD Voters Real...

Страница 12: ...le Assy Qty 1 10 CABLE IDC DB15F IDC SKT 16W 210mm cable Assy Qty 1 11 CABLE IDC SKT IDC SKT 16WAY 210mm cable Assy Qty1 Test Equipment Required 1 Communications Test Set 2 MX800 Radio Interface Box N...

Страница 13: ...n the Motherboard and SKX on the Option board This cable will be under option PCB when mounted 10 Install the Option Printed Circuit Board onto the 4 standoffs with the 16way connector closest to DIP2...

Страница 14: ...0 R129 Right hand side of PCB above RV4 1 3 T19 T26 Secondary E M leads The MX800 T19 option board has a secondary E M lead designated E2 and M2 respectively Unlike the primary E M leads that appear o...

Страница 15: ...posed the receiver VF is notch filtered at the tone frequency A Second PTT function designed for mobile voting systems transmits carrier with no modulation including no CTCSS to allow mobiles to vote...

Страница 16: ...dBm 1 4 3 Adjustment The process for adjusting the noise measurement circuit for range is to inject a signal of about 0 6uV or approximately 111 4 dBm into the receiver and measure the filtered noise...

Страница 17: ...receiver frequency of the test channel At a RF level of 60 dBm 4 Adjust Line Output level RV4 to obtain nominal line output level 10dBm is the default level 5 Set the RF level to 0 6uV 111 4dBm on th...

Страница 18: ...ine system The decoder then processes the status tones and applies the various functions as need I e Programmable PTT tones PTT ON PTT OFF RX mute status tone encoder provides a signalling tone either...

Страница 19: ...X modulation depth and insure it is equal to the nominal deviation level If not adjust RV4 on the motherboard to obtain correct level 1 5 1 3 Status Tone Encoder Decoder RX Alignments 1 Using a 600ohm...

Страница 20: ...transmitted the SELCALL encoder will translate the sequence as 1E12E where the character E is the Repeat character 1 6 1 SELCALL Tone Sets The nominal tone durations for each SELCALL system is given...

Страница 21: ...3 4 1358 1358 1400 1400 1270 1164 5 1446 1446 1530 1530 1400 1305 6 1540 1540 1670 1670 1530 1446 7 1640 1640 1830 1830 1670 1587 8 1747 1747 2000 2000 1830 1728 9 1860 1860 2200 2200 2000 1869 Group...

Страница 22: ...ure for the SELCALL module consists of selecting the desired protocol enabling the commands and other parameters This is done in the SELCALL menu entered by selecting Configuration Menu Selective call...

Страница 23: ...lthough the packet size is user programmable This means that if the number of digits is set to 5 then only the SELCALL packets with 5 tones will be decoded This is to reduce the likelihood of false de...

Страница 24: ...equencies and tone durations thus supporting other less common SELCALL tone sets 1 6 5 Configuring the SELCALL commands The SELCALL commands menu allows the user to configure the command tone sequence...

Страница 25: ...into the Repeater Knock Down state Depending on the repeater type setting the radio will not re transmit any valid audio 1 6 5 3 Repeater Enable If this command is enabled a successful decode will en...

Страница 26: ...selectable from 0 to 65 seconds and includes the required silence preamble for the selected SELCALL protocol This property will help to compensate for the key up delays that may occur in a radio syst...

Страница 27: ...A radio repeater is said to be in the Enabled state if it re transmits valid received audio The repeater is enabled only for the duration of the conversation i e once the Time Out Timer TOT or Hang Ti...

Страница 28: ...ELCALL tone sequences only When the repeater is knocked down reception of the RAT and valid audio will enable the repeater When the repeater is set up it can be enabled purely by the valid audio signa...

Страница 29: ...ncoders Three 5 tone encoders are supported Each encoder may be configured to encode telegrams with lengths between 1 and 11 individual tones The three encoders support the following functions Disconn...

Страница 30: ...decode telegrams with lengths between 1 and 11 individual tones Each decoder may be assigned to one of the following functions Repeater Set Up Repeater Knock Down Repeater Set Up Knock Down Toggle Re...

Страница 31: ...to be performed FT values range from 750 Hz to 2350 Hz in 100 Hz steps excluding 2150 Hz and 2050 Hz The 1950 Hz function tone is the standard key on Channel 1 frequency As previously mentioned the LL...

Страница 32: ...figuration of the functions associated to the defined function tone frequencies the system default configuration has been selected to allow the best compatibility with other third party wire line cons...

Страница 33: ...Repeater Mode 12 TRC line controlled C 13 ESC 14 ESC 15 Programming is complete 1 7 5 2 Tone Remote Control Setup TX Alignments For ease of alignment program the decoder in step 5 above to 1 Tone PTT...

Страница 34: ...Remote Control Setup RX Alignments 1 Using a 600ohm termination monitor RX line output level This output is located on the rear of the MX800 RJ45 Line I O connector pin 1 2 balanced audio 2 Set the r...

Страница 35: ...ualizer is configured by adjusting switches on an 8 Way DIP switch Dip1 The Equalizer can be enabled or disabled by the setting of JMP6 The switches provide Table 1 6 Line Equalizer Settings DIP Switc...

Страница 36: ...NPUT PORT B BCD Channel Select Units bit 0 Binary Bit 0 8 INPUT PORT B BCD Channel Select Units bit 1 Binary Bit 1 20 INPUT PORT B BCD Channel Select Units bit 2 Binary Bit 2 7 INPUT PORT B BCD Channe...

Страница 37: ...nced RX VF leg b 3 600ohm balanced TX VF leg a 4 600ohm balanced TX VF leg b 5 M1 Lead common 6 M1 Lead normally open 7 E1 Lead leg a M lead normally closed 8 E1 Lead leg b Table 1 8 CN9 Connections 1...

Страница 38: ...JMP13 AGC IN OUT 2 3 JMP14 High Pass Filter IN OUT 2 3 JMP15 2W 4W Selection 1 2 4Wire mode JMP16 2W Isolation Balance N F Unlinked JMP17 2W Isolation Balance N F Unlinked JMP18 2W Isolation Balance...

Страница 39: ...arity 8 data bits and 1 stop bit HyperTerminal which is included with all Windows versions is suitable for communicating with the T19 T26 option board The software menu system can be entered by sendin...

Страница 40: ...sceiver Technical Manual 2 1 1 Configuration Menu Figure 2 2 T19 T26 configuration menu 2 1 1 Encoder Configuration Menu Figure 2 3 T19 T26 Encoder configuration menu 38 SPECTRA ENGINEERING 2010 Revis...

Страница 41: ...0 Transceiver T19 Option 2 1 2 Hardware Configuration Menu Figure 2 4 T19 T26 Hardware configuration menu 2 1 1 DTMF Configuration Menu Figure 2 5 T19 T26 DTMF configuration menu 39 SPECTRA ENGINEERIN...

Страница 42: ...3 Tone Remote Control Configuration Menu The Tone Remote Control Decoder must be enabled under the decoder configuration menu first Disabled Display function tone message to enable Mxtools Diagnostics...

Страница 43: ...n the diagnostics menu is the ability to restore the configuration settings back to the factory default This allows the user to restore the T19 T26 board to a known good state Figure 2 9 T19 T26 diagn...

Страница 44: ...MX800 Transceiver Technical Manual 2 1 3 Calibration Menu Figure 2 10 Calibration Menu 42 SPECTRA ENGINEERING 2010 Revision 1 0 4...

Страница 45: ...up and configuration procedures described in this document Creating a HyperTerminal connection 1 Start the HyperTerminal program by selecting Start Programs Accessories Communications HyperTerminal If...

Страница 46: ...ver Technical Manual 2 Next you will need to set the communication parameters for the COM port you will be using Then click OK Figure 3 2 HyperTerminal COM port selection 44 SPECTRA ENGINEERING 2010 R...

Страница 47: ...rTerminal communication parameters below Figure 3 3 HyperTerminal communication parameters 4 Click OK 5 You have now created your connection We will now configure the terminal emulation 6 Click on the...

Страница 48: ...MX800 Transceiver Technical Manual Figure 3 4 HyperTerminal disconnect 7 In the File menu select Properties Figure 3 5 HyperTerminal connection properties 46 SPECTRA ENGINEERING 2010 Revision 1 0 4...

Страница 49: ...MX800 Transceiver T19 Option 8 Click on the Settings tab Set up the parameters as shown in HyperTerminal terminal settings below Figure 3 6 HyperTerminal terminal settings 47 SPECTRA ENGINEERING 2010...

Страница 50: ...SCII setup below as a guide Figure 3 7 HyperTerminal ASCII setup 10 Click OK 11 On the File menu select Save As to save the current connection setup for future use 12 You are now ready to program the...

Страница 51: ...itch on the front panel of the MX800 radio at reset or power up If the push button switch is depressed at reset the bootloader will enter monitor mode Here is a list of items required to complete this...

Страница 52: ...ser will have approximately 15 seconds to complete this step If the character C is received before the file transfer starts hit the ESC key after the Xmodem file transfer diaglog box appears This will...

Страница 53: ...Technical Manual MX800 Transceiver T19 Option 5 PCB Overlay Figure 0 1 T19 T26 PCB Overlay 51 SPECTRA ENGINEERING 2010 Revision 1 0 4...

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