SPREAD SPECTRUM COMMUNICATIONS
U
TILI O
UU
LongRanger 2050
Operator’s Manual
PRELIMINARY
18 October 1999
Страница 1: ...SPREAD SPECTRUM COMMUNICATIONS U TILI O U U U LongRanger 2050 Operator s Manual PRELIMINARY 18 October 1999 ...
Страница 2: ...an be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radi...
Страница 3: ...INDOOR UNIT 3 3 1 FRONT PANEL 3 3 2 REAR PANEL 4 4 OUTDOOR UNIT 6 5 INITIAL INSTALLATION 7 6 COMMANDS 8 6 1 COMMAND SYNTAX 9 6 2 RADIO CONFIGURATIONS 10 6 3 EDIT CONFIGURATION COMMANDS 11 6 4 CONSOLE REDIRECTION COMMANDS 15 6 5 RADIO TEST AND MONITORING COMMANDS 16 6 6 MISCELLANEOUS COMMANDS 17 ...
Страница 4: ...Unit that interfaces with the user equipment and a watertight Outdoor Unit which is typically mounted in close proximity to the antenna The two units are connected with a single coaxial cable carrying the following signals 1 DC voltage to power up the Outdoor Unit 2 Reference frequency for the Outdoor Unit frequency synthesizer 3 Encoded control signals to select the transmit receive channels cali...
Страница 5: ...m 146 Kpbs 84 dBm 1676 Kbps Transmit Receive Turnaround 150 us Data Interfaces Command Port RS 232 DE9 connector Primary Serial Data Port RS 232 EIA530 V 35 DB25 connector Ethernet Port 10 BaseT Echelon LONWORKS RJ 45 Connector Diagnostic Port RS 232 DE9 internal connector Power Requirements Input Voltage 9 to 16 Volts DC External AC adapter available Power Consumption 15 Watts maximum Operating T...
Страница 6: ... When lit indicates that an alarm condition link dropped has occurred It can be cleared with a console command RADIO Tx Amber Lights up when the radio is transmitting over RF RADIO Rx Green Lights up when the radio is receiving over RF SERIAL Tx Amber Lights up when data is being output by the radio over the Data port in the radio rear panel SERIAL Rx Green Lights up when data is being received by...
Страница 7: ... auxiliary port is used to configure and monitor the radio operation It operates in RS 232 mode and is wired as a standard DCE This port should be connected to a terminal or a PC running a terminal emulation mode The baud rate defaults to 9600 baud POWER Power jack to be connected to the external power supply ETHERNET RJ45 10 Base T Connection to an Ethernet LAN used for network management purpose...
Страница 8: ...14 DTE to radio Received Data RD 3 A 3 B 16 A 3 B 16 radio to DTE Request to Send RTS 4 A 4 B 19 4 DTE to radio Clear to Send CTS 5 A 5 B 13 5 radio to DTE Data Set Ready DSR 6 A 6 B 22 6 radio to DTE Signal Ground SG 7 7 7 Carrier Detect CD 8 A 8 B 10 8 radio to DTE Synchronous Transmit Clock STC 15 A 15 B 12 A 15 B 12 radio to DTE Synchronous Receive Clock SRC 17 A 17 B 9 A 17 B 9 radio to DTE D...
Страница 9: ... four connectors The unit is typically mounted with the TNC connector pointing down as shown in the figure Outdoor Unit Connectors Connector Type Use Antenna A N 2 4 GHz RF connection to the primary antenna When a single antenna is used antenna A is the default Indoor Unit TNC Intermediate Frequency and control signals This must be connected to an indoor unit using a coaxial cable Antenna B N 2 4 ...
Страница 10: ...nits Antenna A port N type connector to an appropriate 2 4 GHz band antenna using a coaxial cable 5 Connect the Indoor Unit power connector to the external power supply Make sure that the power supply is rated for the appropriate voltage 110 or 220 Vac 6 Connect the power supplies to the power outlet 7 After initial power up the units output the prompt local to the respective terminals Set one rad...
Страница 11: ...iguring the remote unit is only possible if an RF link is established The help command provides a list of all the commands available To get more detailed help for a specific command type help command name A sample output of the help command listing all commands is shown in the figure below The radio keeps a history of several of the previously issued commands Those commands can be viewed by pressi...
Страница 12: ... compound words the hyphen is optional Additionally each word in a compound word can be abbreviated separately For example the following are all valid abbreviations for the command data port data datap d p dp The parameter and value lists are context sensitive i e in order to solve ambiguities the command interpreter only considers parameters valid for current command or values valid for the curre...
Страница 13: ...r as a slave They are often useful as a starting point to create a customized configuration The working copy configuration is a temporary copy where all the edits are performed This configuration is not in non volatile memory On power up the working copy configuration is set to the current configuration In order to modify the radio operating parameters the desired configuration must first be copie...
Страница 14: ...s to the working copy Example local apply fm display configuration source xxx Displays all the parameters of the specified configuration Example local display fac slave local dis fs 6 3 Edit configuration commands This set of commands modifies the parameters in the working copy configuration set For this set of commands when a parameter is omitted it keeps the last value assigned to that parameter...
Страница 15: ...4 and 11 The receive clock is locked to the transmit clock of the remote radio In a typical link one radio will have the clock source set to remote and the other radio to either internal or external This guarantees that there is a single clock source providing the timing reference for the links in both directions therefore avoiding clock slippage transmit clock polarity non invert or invert Allows...
Страница 16: ...he RF link Its value can range from 0 to 65536 The address value can be entered in hexadecimal format by preceding it with 0x If the address is specified as all ones 0xFFFF the radio will accept all RF packets irrespective of the packet address rf transmit channel number Sets the radio frequency channel for RF receive The valid channel numbers range from 5 to 50 Channel 5 corresponds to 2407 78 MH...
Страница 17: ...ly no need for the user to change the rf speed parameters As long as the automatic rf speed mode is turned ON the radio will adjust the spreading code length and the modulation values to provide adequate RF bandwidth for the desired user data rate pn length number Specifies the spreading code length to be used in the spreading process The valid numbers are 11 15 31 or 63 modulation bpsk or qpsk Sp...
Страница 18: ...ally in the indoor unit after the spreading operation The data is output as the receive data pins 3 and 16 output data The receive data output in pins 3 16 is looped back as input transmit data The data driven by the DTE into pins 2 and 14 is ignored 6 4 Console Redirection Commands In an operating radio link it is possible to monitor and configure the remote radio from the other end of the link T...
Страница 19: ...alternative to retyping them 6 5 Radio Test and Monitoring Commands rssi channel number This command monitors and reports twice a second the Received Signal Strength on the specified channel If the channel is not specified it defaults to the current receive channel Press any key to revert back to normal operation While monitoring the RSSI the RF link to the remote radio is not maintained In order ...
Страница 20: ... through the data port is checked to match the 511 Bit Error Rate pattern The radio outputs a line twice a second with the results of this check In order to test a two way link using this command you must first set the remote radio in loopback mode by performing the following steps local remote remote open remote loopback output data remote apply remote local local ber test At the end of the test ...
Страница 21: ...36 42 2 464 612 11 2 416 996 27 2 441 572 43 2 466 148 12 2 418 532 28 2 443 108 44 2 467 684 13 2 420 068 29 2 444 644 45 2 469 220 14 2 421 604 30 2 446 180 46 2 470 756 15 2 423 140 31 2 447 716 47 2 472 292 16 2 424 676 32 2 449 252 48 2 473 828 17 2 426 212 33 2 450 788 49 2 475 364 18 2 427 748 34 2 452 324 50 2 476 900 19 2 429 284 35 2 453 860 20 2 430 820 36 2 455 396 Number of Non Overla...
