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CL024 User Guide

Version 2.0

Americas: +1-800-492-2320 Option 2
Europe: +44-1628-858-940
Hong Kong: +852-2923-0610
wireless.support@lairdtech.com

www.lairdtech.com/ramp

8

CONN-GUIDE-CL024

Figure 2: Pending RF data in buffer flow

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Summary of Contents for CL024

Page 1: ...CL024 USER S GUIDE VERSION 2 0 Americas 1 800 492 2320 Option 2 Europe 44 1628 858 940 Hong Kong 852 2923 0610 wireless support lairdtech com www lairdtech com ramp ...

Page 2: ...ion RF Exposure Installation Instructions WARNING To satisfy FCC RF exposure requirements for mobile transmitting devices this equipment must be professionally installed such that the end user is prevented from replacing the antenna with a non approved antenna The end user should also be prevented from being within 20cm of the antenna during normal use with the exception of hands feet wrists and a...

Page 3: ...support lairdtech com www lairdtech com ramp 3 CONN GUIDE CL024 REVISION HISTORY Version Date Changes 1 0 14 Aug 2013 Initial Release 1 1 19 Nov 2013 Updated Force 9600 Baud Recovery in Appendix 2 0 16 Dec 2013 Separated into two separate docs Hardware Integration Guide and User Guide Added a Related Documents section ...

Page 4: ...S Contents 4 CL024 RF Transceiver 5 Overview 5 Features 5 Theory of Operation 6 Network Topologies 6 Modes of Operation 6 Transmit Receive Mode 6 Command Mode 7 Spread Spectrum History 9 How Spread Spectrum Works 9 Frequency Hopping Spread Spectrum 9 CL024 Security Features 9 Programming the CL024 10 Appendix I Troubleshooting 11 Force 9600 Baud Recovery 11 Related Documents and Files 13 ...

Page 5: ... for server and client transmissions and with Random Backoff settings to ensure retransmissions don t collide CL024 radios implement a proprietary communication protocol to provide secure data transmissions FHSS technology ensures data reliability over long distances The license free frequency bands ensure that the units are ready for use with no further certification requirements The CL024 transc...

Page 6: ...namically control Broadcast and Addressed delivery with the API Control byte which can be modified during operation with On the Fly commands for more information on APIs and on the fly commands see the RM024 Embedded Module User Manual To prohibit transceivers from receiving broadcast packets Unicast only can be enabled When a radio has data to transmit it will transmit it at the next available da...

Page 7: ... data is received over the serial interface from the OEM host and contains the AT Enter AT Command mode command Once in Command mode all data received by the radio is interpreted as command data Command Data may exist as either EEPROM Configuration or On The Fly commands For more information on EEPROM Configuration and On the Fly commands download the RM024 Embedded Module User Manual Figure 1 Pen...

Page 8: ... Guide Version 2 0 Americas 1 800 492 2320 Option 2 Europe 44 1628 858 940 Hong Kong 852 2923 0610 wireless support lairdtech com www lairdtech com ramp 8 CONN GUIDE CL024 Figure 2 Pending RF data in buffer flow ...

Page 9: ...arrowband communications conversely cause little to no interference to SS systems because the receiver effectively integrates the signal over a wide bandwidth to recover it Besides being hard to intercept and jam spread spectrum signals are also difficult to exploit or imitate Signal exploitation is the ability of a non network member to listen to a network and use information from the network wit...

Page 10: ...o download 1 Connect a CL024 unit to the serial port on the PC refer to the Serial Interface section 2 Attach the antenna to the CL024 unit make sure the connection is secure 3 Connect the power supply to the CL024 unit Make sure the Pwr LED is on 4 In the PC Settings tab in the Configuration Utility select Connex024 from the Product drop down 5 Click Find Port 6 From the Port drop down menu selec...

Page 11: ...dard settings Client Link LED won t light Make sure the unit is connected to power Cycle power to the radio Link LED is on but data does not get transmitted or received Make sure the CL024 unit or units connect to the correct COM port Check the COM port settings for correct baud parity and either Hardware or No Flow Control May be caused by Flow Control set to Xon Xoff Try increasing the Maximum T...

Page 12: ...gh cable 7 On the PC Settings tab click Find Ports 8 Select the appropriate port from the drop down list 9 Set the rest of the settings to 10 Baud Rate 9600 Parity None Handshaking Hardware Data Bits 8 Stop Bits 1 Under Options ensure the Read Write with AT Commands check box is selected 11 Ensure the Port Status is open 12 On the Configure tab click Read Radio 13 Set the Interface Baud Rate to th...

Page 13: ...om ramp 13 CONN GUIDE CL024 RELATED DOCUMENTS AND FILES The following additional CL024 technical documents are also available from the Laird RM024 product page under the Documentation tab ConnexLink Product Brief CL024 Hardware Integration Guide The following downloads are also available from the Laird CL024 product page Configuration Utility USB Drivers ...

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