Laird CL4490 Series User Manual
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Laird CL4490 Series User Manual

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CL4490
U
G
SER
UIDE
V
3.0
ERSION
wireless.support@lairdtech.com
www.lairdtech.com/ramp

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Summary of Contents for Laird CL4490 Series

  • Page 1 CL4490 UIDE ERSION wireless.support@lairdtech.com www.lairdtech.com/ramp...
  • Page 2 The preceding statement must be included as a CAUTION statement in manuals for OEM products to alert users on FCC RF Exposure compliance. Caution: Any change or modification not expressly approved by Laird could void the user’s authority to operate the equipment.
  • Page 3 Major changes and revisions throughout document Version 2.0 5 April 2013 Major changes and revisions; updated format and data Version 3.0 10 December 2013 Separated from Hardware Integration Guide Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/ramp...

  • Page 4: Table Of Contents

    Sync to Channel - What is it and do I need to use it? ................19 How do I configure Sync to Channel? ...................... 22 I’ve configured my radios, what’s next? ....................29 Related Documents and Files ........................32 Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610...

  • Page 5: Cl4490 Rf Transceiver

    The CL4490 configuration software enables custom configurations based on unique application requirements. This document contains information about the hardware and software interface between a Laird CL4490 transceiver and an OEM host. Information includes the theory of operation, specifications, serial interface definition, security information and mechanical drawings.

  • Page 6: Status Leds

    Note: A client’s Link LED lights when in range of the server. It is always lit on a server. Green When flashing, the CL4490-PRO is receiving data. When flashing, the CL4490-PRO is transmitting data. Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610...

  • Page 7: Theory Of Operation

    Each network should consist of only one server. Two servers should never use the same RF Channel number in the same coverage area – the cross-talk between the two servers severely hinders RF communications. For those applications requiring collocated servers, Laird recommends using the Sync to Channel feature, further explained in Appendix II: Sync to Channel.

  • Page 8: Modes Of Operation

    Command Data may exist as either EEPROM Configuration or On-the- Fly commands. For more information on On-the-Fly commands, download the AC4490 Embedded Module User Manual. Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/ramp...
  • Page 9 CL4490 User Guide Version 3.0 Figure 4: Pending RF data in buffer flow Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/ramp...
  • Page 10 CL4490 User Guide Version 3.0 Figure 5: Pending RF data in buffer flow Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/ramp...

  • Page 11: Security

    The specific order in which it occupies frequencies is a function of a code sequence, and the rate of hopping from one frequency to another is a function of the information rate. Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/ramp...
  • Page 12 Version 3.0 CL4490 Security Features In addition to FHSS technology, Laird has implemented three levels of security in the CL4490. All three levels associate with their own EEPROM parameter that you may program for permanent operation or change during system operation in volatile memory using on-the-fly commands (download the...

  • Page 13: Programming The Cl4490

    This section provides instructions for quick and simple setup of both point-to-point and point-to-multipoint CL4490 networks. The Laird Configuration Utility User Manual provides a full description of the software tool’s functionality and features.
  • Page 14 System ID and RF Channel as the server (point-to-multipoint). For more information on settings, see the Info Center in the Laird Configuration Utility or download the AC4490 Embedded Module User Manual.

  • Page 15: Appendix I: Troubleshooting

    Verify that the voltage/current rating of the power supply being used is  sufficient to power the CL4490 (Refer to Detailed Specifications). Port Status is CLOSED Click Open Port in the Port1/2 Settings section on the PC Settings tab. Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/ramp...
  • Page 16 If client is installed in the field and all of the above are verified, use a  spectrum analyzer or download the AC4490 RF Diagnostic Suite to look for interfering signals/noise in the 902-928MHz band. Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/ramp...
  • Page 17 - Check antenna and antenna connections. - Attempt to read the radio with the Laird Configuration Utility SW. - Verify no changes were made to the working radio configuration. - If you can’t read the radio and verify its settings, replace the unit.

  • Page 18: Force 9600 Baud Recovery

    15. Power on the radio. 16. On the PC Settings tab, set the Baud Rate to the baud bate you configured on the radio. 17. On the Configure tab, click Read Radio. Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/ramp...

  • Page 19: Appendix Ii: Sync To Channel

    Note: For a period of five (5) years from the date of purchase, Laird warrants the transceiver against defects in materials and workmanship. Laird will not honor this warranty (and this warranty will be automatically void) if there has been any: (1) Tampering, signs of tampering, or opening the transceiver’s case.
  • Page 20 In severe cases, you could lose communications all together depending on how much bandwidth your system requires. Due to crystal differences between the servers, you may see intermittent interference. Sync to Channel is pictured in Figure 7 Figure Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/ramp...
  • Page 21 CL4490 User Guide Version 3.0 Figure 7: Two servers without Sync to Channel enabled Figure 8: Two servers with Sync to Channel enabled Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/ramp...

  • Page 22: How Do I Configure Sync To Channel

    To configure Sync to Channel, use the Laird Configuration Utility available here. The installer prompts you to install the software on your PC. Once the install is completed, you can open the software from Start -> All Programs -> Laird Technologies Wireless -> Laird Technologies Config.exe. Note:...
  • Page 23 Click Read Radio to populate the advanced feature settings. Note: For more detailed information on how to enable the security pane, see the Laird Configuration Utility User Manual. 3. Select the appropriate product from the Product drop-down menu (Connex4490).
  • Page 24 CL4490 User Guide Version 3.0 Figure 9: PC Settings tab Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/ramp...
  • Page 25 7. Go to the Configure tab and click the Read Radio button at the bottom right of the screen. A message stating “Read Successful” should appear after a successful read (Figure 10). Figure 10: Configure tab - Read Successful Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/ramp...
  • Page 26 Successful prompt appears after a successful write. Note that the values are shown using hexadecimal representation; you may change this to decimal notation by double-clicking on the word “Hex” (it changes to “Dec”). Figure 11: Hop Master settings Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610...
  • Page 27 9. Configure all radios that will communicate with the Hop Master server as Client Auto Destination with the same RF Channel Number as the Hop Master server. Then click Write Radio. Figure 12: Client settings Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/ramp...
  • Page 28 Sync to Channel to the RF channel of the Hop Master (Figure 13). Click Write Radio to write the changes to the radio’s EEPROM. Figure 13: Server #2 settings Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/ramp...

  • Page 29: I've Configured My Radios, What's Next

    If a centralized network does not work and all servers are not in range of the Hop Master, use a daisy chain network as shown in Figure Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/ramp...
  • Page 30 CL4490 User Guide Version 3.0 Figure 15: Sample Centralized Sync to Channel Network configuration Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/ramp...
  • Page 31 CL4490 User Guide Version 3.0 Figure 16: Sample Daisy Chain Sync to Channel Network configuration Laird Technologies Americas: +1-800-492-2320 Option 2 Europe: +44-1628-858-940 Hong Kong: +852-2923-0610 www.lairdtech.com/ramp...

  • Page 32: Related Documents And Files

    Statement of Compliance to EU WEEE Directive and RoHS Directive  ConnexLink™ Product Line  The following downloads are also available from the RAMP Product Information tab: Laird Configuration Utility  USB Drivers  Laird Technologies Americas: +1-800-492-2320 Option 2...

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