User's Manual

Spread Spectrum Wireless Data Transceiver User Manual
Preliminary GXM Manual Version 0.2 iv
PRELIMINARY
Table of Contents
ABOUT FREEWAVE TRANSCEIVERS.................................................................................................................7
CHOOSING POINT-TO-POINT OR POINT-TO-MULTIPOINT OPERATION ........................................................................8
QUICK START ON A POINT-TO-MULTIPOINT NETWORK ..........................................................................9
POINT-TO-MULTIPOINT OPERATION LED'S. ..............................................................................................................9
QUICK START ON A POINT-TO-POINT NETWORK......................................................................................10
POINT-TO-POINT OPERATION LED’S........................................................................................................................10
CHOOSING A LOCATION FOR THE TRANSCEIVERS..................................................................................11
SETTING UP THE TRANSCEIVER USING HYPERTERMINAL ...................................................................12
ACCESSING HYPERTERMINAL’S SETUP MENU .........................................................................................................12
CONNECTING AND DISCONNECTING FROM HYPERTERMINAL...................................................................................15
TROUBLESHOOTING HYPERTERMINAL.....................................................................................................................16
SETTING UP A TRANSCEIVER ...........................................................................................................................17
OPERATION MODE....................................................................................................................................................17
SET OPERATION MODE.............................................................................................................................................19
BAUD RATE..............................................................................................................................................................20
SET BAUD RATE.......................................................................................................................................................20
MODBUS RTU TIMING .............................................................................................................................................22
CALL BOOK..............................................................................................................................................................23
EDIT CALL BOOK .....................................................................................................................................................23
Programming Point-to-Point Extended Call Book to Use Three or Four Repeaters ..........................................24
Programming Point-to-MultiPoint Call Book .....................................................................................................25
Programming Point-to-MultiPoint Extended Call Book .....................................................................................25
RADIO TRANSMISSION CHARACTERISTICS ...............................................................................................................26
EDIT RADIO TRANSMISSION CHARACTERISTICS.......................................................................................................26
FreqKey...............................................................................................................................................................26
(0) Hop Table Version .........................................................................................................................................27
(1) Hop Table Size...............................................................................................................................................27
(2) Hop Freq Offset .............................................................................................................................................27
(3) 2.4GHz Frequency Zone ................................................................................................................................28
(4) Government Rules..........................................................................................................................................29
(1) Max Packet Size and (2) Min Packet Size......................................................................................................29
(3) Xmit Rate........................................................................................................................................................31
(4) RF Data Rate .................................................................................................................................................31
(5) RF Xmit Power...............................................................................................................................................31
(6) Slave Security.................................................................................................................................................31
(7) RTS to CTS.....................................................................................................................................................31
(8) Retry Time Out...............................................................................................................................................32
(9) Lowpower Mode.............................................................................................................................................32
(A) High Noise.....................................................................................................................................................33
(B) MCU speed....................................................................................................................................................34
(C) Remote LED ..................................................................................................................................................34
SHOW RADIO STATISTICS.........................................................................................................................................34
Number of Disconnects........................................................................................................................................34
Antenna Reflected Power.....................................................................................................................................35
Transmit Current (mA)........................................................................................................................................35
Average Noise Level............................................................................................................................................35
Average Signal Level...........................................................................................................................................35
Overall Rcv Rate (%)...........................................................................................................................................35