DATEREMOTE CDS-9020 Manual Download

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Draft

DATEREMOTE, INC

CDS-9020 MANUAL

ARC Electronics

800-926-0226

Summary of Contents for CDS-9020

Page 1: ...1 Draft DATEREMOTE INC CDS 9020 MANUAL ARC Electronics 800 926 0226 ...

Page 2: ...dem Init string 13 AT Commands if your having difficulties connecting to CDS 9020 13 Site Name 14 Steps for customizing the Site Name 14 Why set up the Windows 14 Programming Clock 15 16 Setting up the Start and Stop Windows 16 17 Programming Cellular Phone Number Remotely 17 18 RS 232 Setup 19 3 Wire RS 232 Connections 20 CDS 9020 Programming Cable wiring Diagram 21 CDS 9020 DB 9 Male to a DB 25 ...

Page 3: ...nu we embedded in the firmware It just walks you throw step by step CDS 9020 can be upgraded to a CDS 9021 A CDS 9021 is the same PCB board as the CDS 9020 we manufactured the board to add extra features Such as a wireless cellular analog modem module and a GPS module for tracking AVL applications You can order these extra modules at the same time of purchase or place the orders as you go If the C...

Page 4: ...Modem is missing notify your cellular network operator immediately in order to avoid misuse STANDARD FEATURES Ø 1 standard DB 9 female RS 232C interface DCE Ø 1 RS 232 modem block DCE connector Ø Auto answer auto dial Ø Real time clock supports polling Ø User programmable on site Ø Site Name ID Number Ø Call progress monitor for trouble free cellular calls Ø Cellular PCS network monitoring Ø Polli...

Page 5: ... header option P5 GPS Module or memory module header option P6 Input from radio module P7 6 I O s digital or analog inputs or output LED DESCRIPTIONS D5 PWR STATUS This tells you if you are in a digital mode or analog mode 1 blink every second CDMA mode with CDMA data available 2 blinks in one second only CDMA voice mode no CDMA data available and 3 blinks Analog mode only D4 Receive Data RXD D3 T...

Page 6: ...2 V 42bis cellular throughput up to 16 000 bps serial interface buffered EIA RS 232C DB 9 or terminal block flow control XON XOFF RTS CTS or HP ENQ ACK modulation techniques CCITT V 32bis 14 400 bps CCITT V 32 9600 bps CCITT V 22 bis 2400 bps CCITT V 22 1200 bps CCITT V 21 300bps BELL 212A 1200 bps SPECIFICATIONS CDMA PCS 1 9MHz Current 680 mA max Transmitter Power 200 mW Transmit 1850 to 1910 MHz...

Page 7: ...Start a terminal program Terminal for windows 3 1 HyperTerminal PCLUS etc 7 Select the correct COM Port in software usually COM 1 in most laptops settings 8 Set baud rate to 19 200bps Default for CDS9020 9021 Series Note if you have changed this setting you need to set the DTE to the same baud rate speed you set it to last time you configure the CDS 9020 If you don t know what the DTE speed is set...

Page 8: ...he site use the standard ATDT command If you did not receive an OK please see Trouble Shooting Page 46 See Example below ATDTXXXXXXX After the CONNECT message displays or CD goes high Press CTRL W three times within one second the Main Configuration Menu will be displayed after the menu displays You can choose an option or press option F to access to your DTE device Note by hitting CTRL W it disco...

Page 9: ...ONE DATA SERVICE Activating DIGITAL PCS Phones Things you need to know before calling the Cellular provider 1 You need to find out your CDMA carrier in the area you will be using your modem Two biggest CDMA carriers are Sprint PCS and Verizon Wireless both of these carriers have CDMA and analog on their systems and both of them have coverage in 97 of the United States Then you need to know what th...

Page 10: ... correct COM Port in software usually com 1 in most laptops 6 Set baud rate to 19 200bps Default Note if you have already changed this setting you need to set the DTE to that baud rate speed If you don t know what the DTE speed is set to see page 45 Trouble shooting 7 Press CTRL W 3 times in 1 second 8 The Configuration Menu will display 9 If the Configuration Menu does not display see page 45 Tro...

Page 11: ...After you have inputted all the NAM data press E Program Phone 13 This can take up to 10 seconds 14 Verify the data is correct after the menu displays again 15 Press option F Return to Main Menu 16 Exit from Main Menu Press option F This will put you back into standard modem mode Displaying Signal Strength For local or remotely connections follow the steps below 1 Get into the configuration menu r...

Page 12: ...ps default Select Option To select 9600BPS press number 4 the display will prompt you see example New baud rate is 9600 Are you sure Y or N Press Y to except Then it will display baud rate has been RESET Press a key to continue After you have completed this setup option You will be put back into the Main MENU Note If you do this Remotely do not change the baud rate Change it after the call is comp...

Page 13: ... AT STRING do not use the backspace bar If you make a typo error press ESC or Enter and start over See Example below Select Option K Enter the NEW Modem Initialization string 50 chars MAX at ms 10 0 9600 14400 After you type the new AT String hit enter The Configuration Menu will come back with new AT String CONFIGURATION MENU A Set Receive Window 1 00 00 to 00 00 B Set Receive Window 2 00 00 to 0...

Page 14: ...r If you make a typo error just press Enter or ESC and start over See Example below Enter new Site Name 12 chars MAX Dataremote te INVALID ENTRY Press a key to continue Setting up Auto answer mode Auto answer comes from the factory in the OFF position If you have a DTE device that has to have the modem answer the call turn this option on Some host software want to answer the call them selves When ...

Page 15: ... Example NOTE this is used mostly with applications that are battery powered If your using the CDS 9020 for billing collections and you know you are never going to poll your device between the hours of 11 00am until 12 00 midnight You can have the CDS 9020 turn off to conserve power What that means is the CDS 9020 will only be able to receive calls during 23 59 to 10 59AM That does not mean the CD...

Page 16: ...eceive Window 4 00 00 to 00 00 E Set Time 17 08 21 F Exit to Terminal Mode G Reprogram Telephone Information H Display Signal Strength I Remote Comms Baud Rate 9600 J Program Alarm Number K Modem Init at ms 10 0 9600 14400 L Site Name Dataremote M Auto Answer mode ON ESN 17909310176 Battery voltage 12 0 Phone 8053399736 System ID 2 Select Option Setting up the Start and Stop Windows Note make sure...

Page 17: ... 11 00 11 00am unit turns off CONFIGURATION MENU A Set Receive Window 1 23 59 to 11 00 B Set Receive Window 2 00 00 to 00 00 C Set Receive Window 3 00 00 to 00 00 D Set Receive Window 4 00 00 to 00 00 E Set Time 17 09 38 F Exit to Terminal Mode G Reprogram Telephone Information H Display Signal Strength I Remote Comms Baud Rate 9600 J Program Alarm Number K Modem Init at ms 10 0 9600 14400 L Site ...

Page 18: ...o roam B only D Remote Control Mode E Program Phone F Return to Main Menu Select Option C PROGRAMMING MENU Equipment Serial Number 17903349157 A Mobile Phone Number 8053906754 B System ID 2 C A B no roam no roam D Remote Control Mode E Program Phone F Return to Main Menu Select Option E NEW Mobile Phone number is 8053906754 NEW System ID number is 2 NEW A B roam mode is no roam NOTE be sure your u...

Page 19: ...19 RS 232 SETUP See more about RS 232 Signal levels in trouble shooting section ...

Page 20: ...nd DSR the AT D0 does the same thing for you If you feel you need to it will not affect your data Shorting together JP2 DTR to DSR the current goes up about 7ma more when waiting for a call In applications where the current draw is important do not use JP2 use the AT D0 command Note When plugging in the programming cable while JP 1 and JP 2 are shorted together this will confuse the DTE device It ...

Page 21: ...21 ...

Page 22: ...22 CDS 9020 DB 9 MALE TO A DB 25 FEMALE DIAGRAM CDS 9020 TERMINAL BLOCK TO A DB 25 FEMALE ...

Page 23: ... The above Statement does not have to be done Most of the time your standard modem setup works These string are just suggestions to make a more reliable connection Who Manufactured my Host Modem ALL MODEMS SOLD IN THE US ARE REQUIRED TO HAVE AN FCC ID The only downside here is that this ID is on the modem itself and with internal modems you have to open your CPU and usually remove the modem card t...

Page 24: ...t users of the phone but they are provided here for reference The parameters set by the various AT commands in this appendix are remembered by the phone and are transmitted to the modem at the carrier s site each time you make a call In this way your settings continue to be used until you power down the phone The settings are lost on power down It also gives you automatic support of all AT command...

Page 25: ...ts phone to answer next incoming call in asynchronous mode 4 Instructs phone to answer all subsequent calls in in asynchronous mode Basic AT Parameters These commands control the basic configuration of the modem The parameters can only be read back by the V command when in command state The following table shows the command format Basic AT Parameters Table Parameter Description E0 Do not echo comm...

Page 26: ...n accordance with the specified service D1 Enter online command state following ON to OFF transition of circuit 108 2 D2 Enter command state following On to Off transition of circuit 108 2 T Select tone dialing P Select pulse dialing S Registers The value of an S register may be set by using the syntax Sn xxx where n is the register number and xxx is a decimal value For instance to set the registe...

Page 27: ...nds The following table describes the Basic Action commands Basic Action Commands Table Command Description A Go off hook Answer any incoming call D dial string Dial The dial string may contain the following characters Digits 0 to 9 A B C and D The dial string may contain the following dial modifiers T Tone dialing P Pulse dialing Pause during dialing W Wait for dial tone Wait for quiet answer Hoo...

Page 28: ...log or Digital Service Returns 0 if no service is available 1 if CDMA Digital service available 2 if TDMA Digital service available 3 if Analog service is available values 4 255 reserved CDR Um Interface Data Compression Reporting This extended format numeric parameter controls whether or not the extended format CDR intermediate result code is transmitted by the MT2 The result code is the same as ...

Page 29: ...n or is not detectable All other values are reserved CFC value Um Interface Fax Compression 0 No compression 1 V 42bis compression with parameters as set by the CDS command 2 Modified Read compression Cellular AT Commands for Packet Data Services Table Command Description CTA value Set Read Test Um packet data inactivity timer 0 Traffic Channel not released during inactivity periods 1 255 Release ...

Page 30: ...circuit All voice conversations use the full bandwidth at the same time One bit from each conversation is multiplied into 128 coded bits by the spreading techniques giving the receiving side an enormous amount of data it can average just to determine the value of one bit CDMA transmission has been used by the military for secure phone calls Unlike FDMA and TDMA methods CDMA s wide spreading signal...

Page 31: ...er the transmitted bits of the original signal When 20ms of voice data is received a Viterbi decoder corrects the errors using the convolutional code and that all goes to the vocoder which turns the bits back into waveforms sound The following illustration shows how bits move from base station to cellphone and a single bit example takes you through the Boolean math The example bit is a 1 and the W...

Page 32: ...nes in the cable induces an electric potential across the ends of the grounding line either Protective Ground or Signal Ground and an electric current will flow across this line and through the ground Since the loops impedance is low this current can be quite high and easily burn out electric components Electrical storms could also cause a burst of destructive current across such a loop Therefore ...

Page 33: ...ive to transmit mode This On to Off transition instructs the DCE to move to transmit mode and when a transmission is possible the DCE sets Clear To Send and transmission can begin On a full duplex line like a hard wired connection where transmission and reception can occur simultaneously the Clear To Send and Request To Send signals are held to a constant On level A On to Off transition on this li...

Page 34: ...e to signal the DTE that a good signal is being received a good signal means a good analog carrier that can ensure demodulation of received data A note on signal travel direction The pin names are the same for the DCE and DTE The Transmit Data pin number 2 is a transmit line on the DTE and a receive line on the DCE Data Set Ready pin number 6 is a receive line on the DTE and a transmit line on the...

Page 35: ... the DCE The following table lists the pin assignments defined by the standard The type of connector to be used is not mentioned in the standard but the DB 25 or on IBM AT s a minimal DB 9 connectors are almost always used Pin designation for the 25 pin and 9 pin DB connector includes equivalent CCITT V 24 identification and signal direction DB 25 DB 9 Common EIA Pin Pin Name Name CCITT DTE DCE Fo...

Page 36: ...hen the CDS 9020 is only capable of 14400 bps When your computer reports a speed of 19200 bps it is referring to the speed across the cable that connects your computer Data Logger RTU Etc with your CDS 9020 The speed between your CDS 9020 and the Nationwide CDMA Network and thus the overall system speed is limited to 14400 bps Why when I type in an AT STRING using a Terminal program the AT STRING ...

Page 37: ... to Interference ratio D DS CDMA Direct Sequence CDMA E Eb No Energy per Bit to Noise ratio Effective Traffic Channels Number of traffic carrying channels less soft handoff channels Equivalent to an FDMA or TDMA traffic channel EVRC Enhanced Variable Rate Coder F FDMA Frequency Division Multiple Access FER Frame Erasure Rate G GPS Global Positioning System GSM Global System for Mobile Communicatio...

Page 38: ... Digital Cellular Physical Channel Total number of traffic elements actual traffic channels plus overhead channels PN Pseudorandom Noise PSTN Public Switched Telephone Network Q QPSK Quadrature Phase Shift Keying R RF Radio Frequency RLP Radio Link Protocol RSSI Received Signal Strength Indication RX Receive S SAC Subscriber Access Control CDMA SMS Short Message Service T TACS Total Access Communi...

Page 39: ...39 wireless applications X XCVR Transceiver ...

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