DECODE User Manual v1.2n
Contents
1. 172 5 175 Figure Ald Rack 1U 28TE Front plate view A DIAG e 4A NNN 2 DECODE Multi standard modem IDM 50B Figure Ale Rack 1U 28TE Rear view Re oo B IDM50B User Manual v1 2n Rev date 24 februar 2009 19 A2 IDM 50B Rack 3U up to 14 modems Figure A2a Rack frame 3U 84TE Front view 84 TE 465 482 6 Figure A2b Rack frame 3U 84TE Rear view 172 5 175 Figures A2 MODEM IDM 50 c Rack frame 3U 84TE side view Rack 3U 6TE front view Rack 3U 6TE rear view IDM50B User Manual v1 2n Rev date 24 februar 2009 20 e e e e O e e e S pacers PIE vze9 3 SZees 3 86605 58 6685 EI 3 EI ZUBE ZT ze9 3 856005 e lt 57 e lt e e ex e e e 47 e e e e U DE e lt s QET e e 5 7 e e e e e e e ev e ev PWR e e e e PWR e e e e us Ur em em em o w o e e o e em e em N sv RTS RTS RTS ATS ATS ATS ATS RTS RTS ATS RTS RTS RTS RTS 9 emo np e nx e e e e e ao2. RD 2 5 gt TD 3 2 gt GND 5 DB9F m RIS 7 RJ45 gq CTS B gt SW 8 SW HUN 1 gt SW BSL Switch Figure B2 Adapter cable schematics IDM50B User Manual v1 2n Rev date 24 februar 2009 22 APPENDIX C FSK channels and frequencies table FSK Channel F Hz F0 Hz F Hz V23 0 600bd V23 1 600bd V23 2 1200bd CH701 CH601 CH602 CH603 CH401 CH402 CH403 CH404 CH405 CH406 CH407 CH301 CH302 CH303 CH304 CH305 CH306 CH307 CH308 CH201 CH202 CH203 CH204 CH205 CH206 CH207 CH208 CH209 CH210 IDM50B User Manual v1 2n Rev date 24 februar 2009 23
3. 1 transmission is active only ifRTS 1 Data Terminal Equipment requires to send For x 2 transmission is active only if there is data in transmission buffer This mode is called DOX Data Operated Xmission Important If half duplex mode is configured it is obligatory to set Transmission on RTS or DOX option Otherwise modem would permanently transmit on a half duplex line disabling line access to other modems connected to it Character Format AT amp CFdps Selects the number of data bits parity and stop bits Valid range for data bits is 5 to 8 for parity is N one E ven O dd for stop bits is 1 or 2 For FSK modulations due to restrictions associated with logic regeneration in asynchronous mode the modem uses resynchronisation procedure at reception In this mode the character format is between 5 and 9 useful bits enclosed with 1 start and 1 stop bit The parity bit and additional stop bit is considered as a data bit and will be transmitted without processing therefore for example transmission and reception of 9N1 format is possible with FSK modulations with 8E1 or 801 settings Example AT amp CF8N1 command line sets format 1 start 8 data 1 stop bit Modem responds with OK message Display Configuration AT amp V Displays current modem configuration in following form Example AT amp V OPERATING
4. 5 Transmitted Data gt 6 RTS Request To Send gt 7 SW RUN Switch Run selection input x 8 SW COM Switch selection output x IDM50B User Manual v1 2n Rev date 24 februar 2009 3 2 2 Rear panel connectors Three connectors are placed at the modem s rear side Fig 3 RS 232C Power E cl DECODE data communications www decode co 9 Figure 3 IDM 50B rear side desktop version 2 2 1 RS 232C Data serial interface This connector is a SUB D 9 pin female type connector with screw locking It provides the interface between the modem and remote terminal unit or data processing equipment in data mode The following table gives the allocation and function of each pin PIN ABB FUNCTION DIRECTION DTE DCE 1 DCD Data Carrier Detect lt 2 RD Received Data lt 3 TD Transmitted Data gt 4 DTR Data Terminal Ready gt 5 SG Signal Ground 6 DSR Data Set Ready lt 7 RTS Request To Send gt 8 CTS Clear To Send lt 9 RI Ring Indicator IDM50B User Manual v1 2n Rev date 24 februar 2009 4 2 2 2 Line Analog interface This connector is a SUB D 15 pin female type connector with screw locking which provides Interface between 2 or 4 wire analog line and the modem The fail relay output On the same connector modem has interface intended for communications management with a radio interface squelch and alternate which ar
5. e e e e DCD DCD DCD DCD DCD DCD DCD moDEM_1ow so ff MODEM 1DM s0 MODEM 1pw so MODEM ff 1oW so 1 ITT MODEM 1pw so if ERN c c c O e c O e 6TE A3 IDM 50B Desktop Figure A3a Front view f DIAG A S S FLEES e e 0000 e DECODE Multi standard modem IDM 50B 29 8 112 2 Figure A3b Rear view Line RS 232C Power EE ee e DECODE data communications www decode co yu Figure A3c Top view 168 0 EJ E IDM50B User Manual v1 2n Rev date 24 februar 2009 21 APPENDIX B DIAG serial port adapter cable This adapter cable is designed to be plugged in RJ45 front DIAG RS232 serial port at IDM50B modem providing standard DB9F DCE pinout on the other side of cable DIAG port equiped with this cable is used for setting IDM50B modem parameters with AT commands when switch is in RUN position and for upgrading firmware using bootloader mode when switch is in BSL position 5 1 00000 oo 9 6 RUN BSL Figure Bl RJ45 and DB9F connectors 4 gt
6. for xx 1s 01 24 corresponding to channels 101 to 124 Example AT amp RC123 command line sets channel 123 at 50Bd data rate for data reception Modem responds with OK message Reverse FSK frequencies AT amp RFx Sets frequencies order in FSK modes When set to 0 then normal FSK frequencies order are set and F corresponds to data line SPACE condition and F corresponds to data line MARK condition When set to 1 then reverse FSK frequencies order are set and F corresponds to data line MARK condition and F corresponds to data line SPACE condition If invalid range is entered modem responds with ERROR message otherwise responds with OK message Example AT amp RFO command line sets normal FSK frequencies order Modem responds with OK message Transmit Level AT amp TLxx Sets transmission level in dBm units in 1dB steps Valid range for FSK is 0 to 32 corresponding to OdBm to 32dBm except in FSK MUX2 mode where range is 06 to 32 corresponding to 6dBm to 32dBm If invalid range is entered modem responds with ERROR message otherwise responds with OK message Notice Transmit level is referred to loaded output Example AT amp TL8 command line sets 8dBm transmit level Modem responds with OK message Receive Level AT amp RLxx Sets receive level in dBm units in FSK mode In V 29 mode receive level is fixed to R 26dBm and this settings is ignored For FSK mode received level R
7. is adjustable by step of 1dB in range from 0 to 36 dBm Signal is detected at 9 dB or grater signal loss is detected R 12 dB or lower Detection limit is at R 12 dB loss of IDM50B User Manual v1 2n Rev date 24 februar 2009 10 Example carrier and DCD signal with a hysteresis of 3 dB detection of carrier and DCD signal at R 9 dB The minimum reception level is 48 dBm AT amp RL27 command line sets receive level at 27dBm Modem responds with OK message Serial Interface Mode AT amp SIx Example RTS CTS Delay AT amp CTSxxxx Example Fail If DCD Off AT amp DCDx Sets serial interface mode Valid values for x are 0 to 6 In transparent data mode with x 0 adjusting carrier control to DOX mode is invalid Il Transparent data no buffering Asynchronous data with buffering Indactic Master bit synchronous data no buffering Indactic Slave bit synchronous data no buffering Indactic Master asynchronous data buffering Indactic Slave asynchronous data buffering ITU R M 493 11 asynchonous data buffering Il Il uod Il Il Ota AT amp SIl command line sets serial interface to asynchronous mode Modem responds with OK message Sets delay between Request to Send RTS from the DTE and confirmation by the modem in the form of Clear to Send CTS Valid range is 40 6825ms AT amp CTS50 command line sets RTS CT
8. isolated from DTE Addressed modem remains it that state until carrier is lost Other modems on the same network stay in stand by mode during the tests All remote modems in internal loop back or stand by mode indicate remote test by slow PWR led blink 1sec 1sec cycle Remote test command pattern on IDM50B modem is compatible with IDM50 modem and with DMS50 modems from Cegelec and consists of seven characters as follows OAAh OAAh 05Ah 05Ah remote address gt 0A5h 0A5h There may be maximum 32 different addresses 0 to 31 on one and the same network There are two addresses in every modem and they may be adjusted with two AT commands AT amp LAxx Local Address specify modem own address Used as modem address when in data mode Must be saved with AT amp W command in non volatile memory to be valid after power up AT amp RAxx Remote Address specify address of remote modem which will be addressed with remote commands in command mode After entering the command mode remote address is initialized from non volatile memory There are 4 remote test commands All of them first issue remote loop back command to remote modem addressed with specified remote address If remote loop may not be establish error test status is returned When remote loop are established and test is in progress return to command mode may be accomplished by sending any character from terminal or PC to modem Also tests 6 7 and 8 automatically abort and retu
9. modem command buffer allowing correction of wrong entered command with no consequence If syntax error invalid range or nonexistent command is detected in entered command line modem responds with ERROR message Entered command is accepted only if previous AT command is executed and acknowledged with corresponding message Advice Since modem doesn t support character echoing in command mode it is advised to activate local echo in terminal application Telix HyperTerminal etc used for AT setting Local echo will help to insure which characters were typed and sent to modem Entering Command Mode By default modem is in data mode In data mode modem performs its basic function transmitting data over preset channels While modem is in data mode it is not allowed to perform any setting procedures To enter command mode perform following procedure 1 Connect the communication cable to DIAG RS 232 connector at the modem front panel Data transmission and configuration are performed over the different ports The configuration adapter is used for firmware boot loading only 2 a If modem is turned off push the SET button turn on the modem by connecting its power supply and keep the SET button pushed approximately for 1 second b If modem is already turned on push the SET button then push and release the RESET button while keeping the SET button pushed approximately for 1 second 3 Modem will respond with its introductory mes
10. DECODE Multi standard modem IDM 50B User Manual v1 2n http www decode co yu 1 INTRODUCTION 1 1 Modem Overview IDM50B is a multistandard modem for asynchronous or transparent data transmission in 300 3400 Hz voice band For lower baud rates it uses binary frequency modulation techniques FSK which make it highly immune to interference and noise and permit extensive voice band communication link utilization For higher baud rates it uses QAM modulations with 4 8 and 16 constelation points depending of selected rate The modem supports CCITT V 29 R 38A R 38B R 37 R 35 V 23 and Cegelec 1200 600Bd communication standards Table of programmable channels Figure 1 depicts possible utilization of audio band in FSK mode In FSK mode the modem can operate in half or full duplex point to point or point to multipoint mode with receive and transmit channels independently set For V 29 mode four wire full half duplex is default The modem employs advanced Texas Instruments 32 bit DSP technology thus offering high service flexibility through programmable features Modem configuration is performed via Hayes AT commands on separate DIAG serial port available at front panel AT commands may be initiated from any asynchronous terminal application using RS 232 communication interface Additionally for easy firmware upgrade a bootstrap loader is provided using the same DIAG serial port IDMSOB is designed to be use in SCADA systems m
11. MODE FSK TX CHANNEL V 23 1200Bd X LEVEL 9dB RTS CTS DELAY 50ms RX CHANNEL V 23 1200Bd RX LEVEL 15dB REVERSE FSK NO FAIL IF DCD OFF NO PTT WHEN TX ON NO USE SQ INPUT NO USE DTR NO CARRIER CONTROL DOX SERIAL INTERFACE ASYNC DATA FORMAT 8N1 OCAL ADDRESS 0 REMOTE ADDRESS 0 Notice Firmware upgrade doesn t change configuration except if it is especially mentioned in firmware release Store Configuration AT amp W Stores current modem configuration in non volatile memory to be preserved after switching off the modem After successful storage modem responds with OK message IDM50B User Manual v1 2n Rev date 24 februar 2009 12 Notice All changes introduced in command mode will be lost if store configuration command is not executed before switching off the modem Display Modem Info ATI Displays full modem info manufacturer model type firmware version and date in following format DECODE IDM 50B LS vx x dd mm yy IDM50B User Manual v1 2n Rev date 24 februar 2009 13 4 4 Test modes IDM 50 modem provides on line test and control functions such as remote feedback looping and the transmission of test sequences thus making possible to measure in channel signal level and count bit errors This possibilities considerably improve commissioning and maintenance of telecommunications links Tests may be initiated when modem is in command mode by sending tes
12. S delay at 50ms Modem responds with OK message Turns on off Fail if DCD off option For x 0 modem FAIL relay doesn t react on DCD changes For x 1 FAIL relay is switched on when DCD 0 CD led on the modem front side follows DCD changes PTT When TX On AT amp PTTx Use SQ Input AT amp SQx Use amp Turns on off When On option For x 0 modem relay doesn t react on carrier On Off changes For x 1 PTT relay is switched On when carrier is On and switched Off when carrier if Off This relay may be used to turn On external transmission equipment for example radio trasmitters Turns on off Use SQ Input option For x 0 modem DCD CD on RS 232C and front panel LE diode follows in channel carrier presence changes For x 1 modem DCD CD on RS 232C and front panel LE diode follows SQ input state changes SQ input may be used for indication of in channel carrier presence signalization when external reception equipment is used ex radio receivers Turns on off Use option For x 0 state of input is overriden and assumed that is always set to 1 For x 1 DSR signal is copied to DTR signal Modem works properly only when 1 IDM50B User Manual v1 2n Rev date 24 februar 2009 11 Carrier control AT amp CCK Selects transmission carrier control mode For x 0 transmission is always on and carrier is permanent For x
13. ace when SET switch at the front panel is pressed This state is indicated by slow PWR led blink 1sec 1sec cycle Modem performs the same task as it have received remote loopback pattern Modem turns carrier on at transmit port and expect carrier at receive port If there 1s carrier signal present at receive port modem remain in loopback mode as long as carrier exists To exit from this mode unconditionaly just press RST switch at the front panel IDM50B User Manual v1 2n Rev date 24 februar 2009 16 5 1 FIRMWARE UPGRADE IDM 50B has an ability to be upgraded with new firmware in the field by performing bootloading procedure Latest version of IDMS50B firmware may be found and downloaded at no charge from Decode web site http www decode rs Bootloading Procedure Important Before starting with bootloading procedure make sure that modem jumper JP300 is in factory settings position 1 2 EXT_BSL Windows operating system on your PC must have installed JAVA Runtime Environment JRE v1 5 or greater It can be downloaded at no charge from http java sun com j2se corejava Your PC must have at least one RS232C serial port available Bootloader procedure may be started without modem power turn off Follow steps below If you already have installed C2000Prog on your PC skip steps 2 and 3 Unzip bootloader program C2000Prog_v1 2d zip on your PC It may be found on IDM50B support CD or may be downloaded at no charge from http
14. ainly based upon power utility communication networks Depending on selected mode it can communicate through specialized private or leased lines radio links and power lines PLC 23 fc 2850Hz 60080 V23 120084 Cegelec 1920Hz 12008d Cegelec 960Hz 600Bd R 38A R Pe 3 2 aos EE 388 360Hz 200Bd 1 D sse 360 720 1080 1440 1800 2160 2520 2880 3240 3600 Figure 1 Table of programmable channels in FSK mode 1 2 Mounting Types IDMSOB is available as a desktop modem or in two different types of standard 19 rack 1U rack with 1 2 or 3 modems per rack 3U rack with 10 12 or 14 modems per rack and additional blank front plates covering unused slots All connectors at the rear side are accessible at the back openings Please refer to Appendix A for details IDM50B User Manual v1 2n Rev date 24 februar 2009 2 2 INTERFACES 2 1 Front Panel RST SET PWR TXD RTS RXD DCD Reset button is accessible on the front panel using a pin of diameter under 2 mm pencil tip etc It re initialise all modem functions The modem must be reset immediately on inconsistent operation appearance before starting the maintenance diagnosis phase This reset like a long duration power cut off has no effect on the status of configurations previously loaded into the modem Set button is used for
15. ata JP408 ON presence on JP410 signals SQ and SQ to connector JP410 ON connector Do not proceed squelch data signals JP408 OFF SQ and SQ to connector JP410 OFF Bootstrap loader JP300 Enabled by switch on adapter cable JP300 1 2 operation Enabled 2 3 IDM50B User Manual v1 2n Rev date 24 februar 2009 4 1 4 2 SOFTWARE CONFIGURATION Introduction to AT Commands A command line is a string of characters sent from a DTE to the modem DCE while the modem is in command mode A command line has a prefix a body and a terminator Each command line must begin with the AT character sequence and must be terminated by a carriage return Commands entered in upper or lower case are accepted but no combination is allowed Characters that precede the AT prefix are ignored The AT command body contains printable ASCII characters 32 126 The terminator is ASCII lt CR gt character The command line interpretation begins upon receipt of the carriage return character Empty AT command containing no characters but AT and lt CR gt is used as an indication that modem is in command state and works correctly Modem answers with lt CR gt lt LF gt OK lt CR gt lt LF gt lt CR gt and lt LF gt are control characters that precede and follow every modem response message so they will be omitted in following text The modem recognizes a backspace character ASCII 08 after AT sequence It clears previously typed character from
16. e may be accomplished by sending any character from terminal or PC to modem Modem returns values of received level in dB units and duration of test in seconds AT amp TST1 800Hz generation and detection generation transmission and reception chain with 800Hz test signal AT amp TST2 Sequence F generation transmission and detection of lower frequency of the channel Valid only in FSK mode AT amp TST3 Sequence F generation transmission and detection of upper frequency of the channel Valid only in FSK mode AT amp TST4 Sequence F F generation transmission and detection of both significant frequencies of channel in alternate and symmetrical sequence Valid only in FSK mode AT amp TST5 Received Level measurement of reception level in dB but without generated and transmitted signal Example AT amp TST3 ENTER TEST MODE 3 EXIT TEST MODE TEST STATUS OK RX LEVEL 08dBm ELAPSED SEC 00000007 IDM50B User Manual v1 2n Rev date 24 februar 2009 14 REMOTE TESTS This feature makes possible to perform testing of remote modems in FSK mode on point to point and multipoint links with selective addressing of the remote modem Every modem when is in data mode search received data for remote loop back command pattern with its own local address When local or own address is recognized modem proceeds to internal loop back mode with RS 232 signal
17. e not supported in current firmware version Figure below depicts analog line interface DB15F gt 1500 v LR1 4 0 BR1 70 JP406 BR2 60 et RECEPTION 620 Q ES E 4700 poco LR2 50 6202 B2 90 eni Sa I UR Ly TRANSMISSION 2 ub ai ES le lez 20 1 JP412 gt 1500 v DEF1 100 cx DEF2 110 e e JP408 SQ 120 e e i JP410 SQUELCH DATA SQ 130 JP409 ALT1 30 iet ALTERNATE RADIO JP407 ALT2 140 RELAY Figure 4 Analog line interface 2 2 4 Power Power Supply IDM50B User Manu Power supply connector is a 2 position screw plug type for 2 2 5 mm wire used for connecting the modem to a DC power supply Polarity is irrelevant Maximum consumption is 3VA Table of possible voltage options are shown below Option Nominal Voltage DC DC converter Voltage Range V on board V IDMSOB 12 12 9 18V SCWO3A 05 IDM50B 24 24 18 36V SCWO3B 05 IDM50B 48 48 36 72V SCWO3C 05 al v1 2n Rev date 24 februar 2009 3 according to the figure and the table below HARDWARE CONFIGURATION Hardware configuration is performed directly on the modem board by positioning the jumpers IDM 50B Rev 061206 www decode co yu S N Figure 5 Jumper placement on the modem board 3 1 Jumpers placement bold fase denotes factory default placement Feature Jumpe
18. entering command mode see Entering Command Mode section which allows modem configuration In data mode PWR LED is ON when modem is power supplied and in proper function PWR LED is OFF in case of power supply is not present or modem is in malfunction PWR LED blinks slowly 100ms 1sec cycle as an indication of command mode PWR LED blinks fast 100ms 100ms cycle when modem has locally initiated some of the test modes PWR LED blinks slowly 1sec 1sec cycle when modem is remotely brought to some of the test modes Transmit LED indicates data transmitted on TXD pin of RS 232 interface Request to Send LED indicates state of RTS pin of RS 232 interface Receive LED indicates data received on RXD pin of RS 232 interface Data Carrier Detect LED indicates the presence of in channel carrier with level higher then predefined receive level s SESS mmm e e 0000 e DECODE Multi standard modem IDM 50B Figure 2 IDM 50B Front panel view desktop version 2 1 1 DIAG Command Bootloader serial interface This connector is a RJ45 8 pin female type connector It provides the interface between the modem and terminal unit in command mode and in firmware upgrade process The following table gives the allocation and function of each pin PIN ABB FUNCTION DIRECTION DTE DCE 1 SW BSL Switch Bootloader selection input x 2 GND Signal Ground 3 CTS Clear To Send lt 4 RD Received Data lt
19. id range for x is 1 8 corresponding to channels 301 to 308 Sets CCITT R 37 100Bd channels for data transmission Valid range for xx is 01 12 corresponding to channels 201 to 212 Sets CCITT R 35 50Bd channels for data transmission Valid range for xx is 01 24 corresponding to channels 101 to 124 AT amp TC402 2 command line sets channel 402 at 300Bd data rate for data transmission Modem responds with OK message IDM50B User Manual v1 2n Rev date 24 februar 2009 9 Receive Channel in FSK mode AT amp RC23 y Sets CCITT V 23 1 and V 23 2 channels for data reception Valid range for y is 1 2 corresponding to V23 0 and V 23 1 at 600Bd and V 23 2 at 1200Bd channels respectively AT amp RC701 Sets Cegelec 1200Bd 701 channel for data reception AT amp RC60x Sets Cegelec 600Bd 60x channels for data reception Valid range for x is 1 3 corresponding to channels 601 to 603 AT amp RC40x y Sets CCITT R 38A 200 300Bd channels for data reception Valid range for x is 1 6 corresponding to channels 401 to 407 valid range for y is 1 2 corresponding to 200 300Bd channels baud rate respectively AT amp RC30x Sets CCITT R 38B 200Bd channels for data reception Valid range for x is 1 8 corresponding to channels 301 to 308 AT amp RC2xx Sets CCITT R 37 100Bd channels for data transmission Valid range for xx is 01 12 corresponding to channels 201 to 212 AT amp RC1xx Sets CCITT R 35 50Bd channels for data transmission Valid range
20. rn modem in command mode in case of carrier detect failure After returning to command mode modem returns values of received level in dB units and duration of test in seconds Also test 9 returns bit count and bit error during the test AT amp TST6 Remote Sequence F remote test where local modem generates the F frequency of the programmed channel detected and returned by the remote modem Valid only in FSK mode AT amp TST7 Remote Sequence F remote test where local modem generates the F frequency of the programmed channel detected and returned by the remote modem Valid only in FSK mode AT amp TST8 Remote Sequence F F remote test where local modem generates the F F frequency sequence of the programmed channel detected and returned by the remote modem Valid only in FSK mode AT amp TST9 Remote Sequence 511 bits remote test where local modem generates the PN Sequence at programmed channel detected and returned by the remote modem This test counts number of bits sent and error bits during the test which indicate the bit error rate of the transmission line Valid only in FSK mode IDM50B User Manual v1 2n Rev date 24 februar 2009 15 Example AT amp TSTI ENTER TEST MODE 9 EXIT TEST MODE TEST STATUS OK RX LEVEL 5dBm ELAPSED SEC 00000175 BIT COUNT 00033704 ERROR COUNT 00000000 LOOPBACK MODE This feature enable loopback at digital interf
21. rs Option ref to AT amp Mx command Jumpers Placement 2 4 wire analog JP400 4 wire JP400 JP403 2 3 line JP403 2 wire only in FSK MUXI or JP400 JP403 1 2 FSK MUX2 mode Input amp Output JP401 4 wire FSK Z input 6000 JP405 JP406 1 2 Impedance JP402 and V 29 mode Z output 6002 15401 JP402 2 3 co 4 wire FSK Z input 10kQ JP405 1 2 1 mode Z output 6000 JP401 JP402 JP406 2 3 Z input 600Q JP402 1 2 4 wire FSK Z output 10kQ JP401 JP405 JP406 2 3 MUX2 mode Z input 10kQ JP401 JP402 JP405 2 3 Z output 10kQ JP406 2 wire FSK Z 6000 JP405 1 2 1 mode JP401 JP402 JP406 2 3 2 wire FSK Z 10kQ JP401 JP402 JP405 2 3 MUX2 mode JP406 Transmitter JP404 Transmitter 3 state control off JP404 1 2 3 state control Transmitter 3 state control on 2 3 IDM50B User Manual v1 2n Rev date 24 februar 2009 Feature Jumpers Option Jumpers Placement Alternate radio JP407 Proceed alternate radio relay signals JP407 ON relay signal JP409 ALTI and ALT to connector P409 ON presence on connector Do not proceed alternate radio relay JP407 OFF signals ALTI and ALT2 to connector JP409 OFF Fail relay signal JP411 Proceed fail relay signals DEF1 and JP411 ON presence on JP412 DEF to connector JP412 ON connector Do not proceed fail relay signals DEF1 JP411 OFF and DEF2 to connector JP412 OFF Squelch data signal JP408 Proceed the alternate squelch d
22. sage IDM 50B LS vx x indicating command mode and firmware version Important For proper modem configuration 8N1data format at 1200b s needs to be selected in terminal application IDM50B User Manual v1 2n Rev date 24 februar 2009 8 4 3 Commands Description Operational Mode AT amp Mx Example Sets FSK or CCITT V 29 operational modes Valid values for x are x 0 FSK mode where Zin out 600Q x 1 FSK MUXI mode where Zin 10k and Zout 600Q 2 FSK MUX2 mode where Zin 600Q 10k and Zout 10k x 3 V 29 mode 4800bps x 4 V 29 mode 7200bps x 5 V 29 mode 9600bps AT amp MS command line sets 9600bps V 29 mode Modem responds with OK message Transmit Channel in FSK mode AT amp TC23 y AT amp TC701 AT amp TC60x AT amp TC40x y AT amp TC30x AT amp TC2xx AT amp TC1xx Example Sets CCITT V 23 1 and V 23 2 channels for data transmission Valid range for y is 0 1 and 2 corresponding to V 23 0 and V 23 1 at 600Bd and V 23 2 at 1200Bd channels respectively Sets Cegelec 1200Bd 701 channel for data transmission Sets Cegelec 600Bd 60x channels for data transmission Valid range for x is 1 3 corresponding to channels 601 to 603 Sets CCITT R 38A 200 300Bd channels for data transmission Valid range for x is 1 7 corresponding to channels 401 to 407 valid range for y is 1 2 corresponding to 200 300Bd channels baud rate respectively Sets CCITT R 38B 200Bd channels for data transmission Val
23. t command string from the PC or terminal There are 3 types of test commands INTERNAL LOCAL and REMOTE Generic test command format is AT amp TSTx where x represent number of test Before entering test mode modem return ENTERING TEST MODE x where x represents number of test INTERNAL TEST Allows validating the correct operation or not ofthe DSP and Codec which generates decodes and processes signals exchanged with the analog line AT amp TSTO Self test internal test of DSP and Codec No line signal is generated nor received during this test After less than one second modem automatically return to command mode and returns OK message LOCAL TESTS Enable validation of entire generation transmission and reception chain of modem In this tests modem generate and transmit specific test signal and at the same time performs receiving function with receive signal level measuring Measurements are of narrow band in channel type During tests PWR led blinks fast 100ms 100ms cycle DSR and CTS signals at RS 232 interface are active DCD led and DCD RS 232 signal indicate receive signal strength but no RxD signal at RS 232 is received External loop back wiring may be attached at DB15 connector to route transmitted test signal back to receiver Test 1 use 800Hz test signal while tests 2 3 4 and 5 are performed on pre programmed TX and RX channels with pre assigned TX and RX levels Exit from this tests and return to command mod
24. tion Target 2810 30MHz Code Security Pm 10 Skip Flash Sector to be Erased Key 3 FFF 11 Tick Smart Sector Selection Keys FFF Ir _ 12 Click at Program command button File selection Flash Sectors to be Erased dialog appeared Select and open new firmware file De a duc sore Caer File format is Intel hex with hex extension File EST REIS name must be with idm50Bxx format where xx is V Smart Sector Selection firmware version i rin iia ee 13 When programming window appeared change the ET switch position at BSL and reset modem by short Programsihen E press at RST button on the front panel 14 At this point erasing and programming of modem flash must be observed It may last about 20 to 30 seconds 15 When firmware upload is finished close the programming dialog and exit C2000Prog program 16 Return the switch in RUN position and perform the modem reset by short press at RST button on the front panel 17 Now modem must be in data mode with PWR led ON and with new firmware in flash 18 You may now enter command mode section 4 2 Entering Command Mode and perform ATI command to check version of loaded firmware IDM50B User Manual v1 2n Rev date 24 februar 2009 18 APPENDIX A Al IDM 50B Rack 1U up to 3 modems Figure Ala Rack frame 1U 84TE Front view 31 7 44 1 Figure Alc Rack frame 1U 84TE Side view
25. www code skin com downloads C2000Prog_v1 2d zip Start instalation Setup window appears on the desktop fe Setup 2000 Welcome to the C2000Prog Setup A Wizard This will install C2oooProg v1 2d on your computer It is recommended that you close all other applications before continuing Click Next to continue or Cancel to exit Setup Figure 5 C2000Prog setup program Window Follow the instalation procedure After instalation C2000Prog exe may be found in Start Programs section under the CodeSkin folder You may place program icon on computer desktop by selecting Send To Desktop create shortcut on right click meny C2000Praqg Figure 6 C2000Prog icon IDM50B User Manual v1 2n Rev date 24 februar 2009 17 4 Connect IDM50B bootloader adapter cable delivered as additional accesory at IDM50B RJ45 DIAG RS 232 port Make sure that cable switch is at RUN position 5 Connect avaliable PC serial COM port and bootloader adapter cable with RS 232 communication cable delivered as additional accesory 6 Start C2000Prog program by clicking the icon on the Desktop 7 Select serial COM Port you are using COMI 2 3 or 4 1 is selected in this example 8 Select Target 2811 API2 10 30MHz 9 Skip Code Security Keys All labels must hold initial FFFF value Warning Do not change these values or modem DSP may be permanently locked after uploading of new firmware Hex File Configura
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