Installation & User Manual
Contents
1. Note the Ring Indicator RI pin is used by the RST425 SBD Transceiver to indicate that a Mobile Terminated SBD MT SBD message is queued at the Gateway The Field Application can monitor this pin and use appropriate AT Commands to command the Transceiver to retrieve the MT SBD message The serial interface may be operated with a 3 wire connection where only transmit receive and ground signals are used However the 9 wire interface offers better control and is the recommended implementation Iridium is only able to provide limited 3 wire interface support When operating with a 3wire connection the following rules apply o AT amp Dn must be set to AT amp DO to ignore the DTR input o AT amp Kn must be set to AT amp KO to disable RTS CTS flow control o The other output signals may be connected and operate as follows e CTS driven ON low e DSR operates as normal e Rl operates as normal e DCD driven ON low data port is in SBD data mode In AT command mode RTS is ignored and CTS is driven ON low Note RTS CTS flow control when enabled is only used when the RS232 Port Electrical Parameters The LBT Data Port conforms to the RS232 interface specification with the following parameters Parameter Specification Communication Rate 220 to 115 200 Baud Protocol 1 start bit 8 data bits no parity 1 stop bit asynchronous Voltage Levels and Sensitivity RS232 compliant 1 Autobaud is not supported in R2. s products address global markets across the spectrum of rural and remote users including households motor vehicles telemetry maritime and emergency services Beam Communications Pty Ltd 8 Anzed Court Mulgrave Victoria 3170 AUSTRALIA Web www beamcommunications com Info info beamcommunications com Support support beamcommunications com Tel 61 3 8851 0400 Fax 61 3 9560 9055 What is the RST425 The RST425 is a Remote Satellite Short Burst Data only modem designed to provide a reliable and cost effective means of Iridium SBD development It utilizes the Iridium SBD Short Burst Data module and provides a female D9 RS232 connector for direct connection to a PC Key Features Small form Factor No SIM Card Required Maximum mobile originated message size of 340 bytes Maximum mobile terminated message size of 270 bytes Visual indication of network availability Package Contents The RST425 package contains 1 x RST425 Short Burst Data Modem 1 x DC External Cable CBLASY001602 1 x TNC F to SMA M coaxial adaptor TNCF SMAM 1 x Serial Data Cable DB9M to DB9F CBLASY005501 1 x Resources CD includes User Manual CDROM0001xx Optional Beam Accessories RST910 RST915 RST920 RST985 Fixed Mast Antenna Magnetic Mount Antenna Bolt Mount Antenna Serial to USB Converter Cable See your Service Provider for pricing and availability of these optional accessories Installing the RST425 Connec
3. the following N BAUD 1 600 2 1200 3 2400 4 4800 5 9600 6 19200 default 7 38400 8 57600 9 115200 Refer to the ISU AT Command Reference for other available AT commands Dimensions and Mounting 85 2 Mounting Pattern Specification Summary RST425 Electrical Power 9 32 VDC 2A Plug pack if provided 90 250VAC 50 60Hz input Power Consumption Average Standby Mode 0 4W Transmit Mode Peak 1 8W Modem Type SBD Data only Speed 2400 bps EMC Compliance CE Environmental Operating Temperature Range 35 C to 70 C ambient Operating Humidity Range lt 85 RH non condensing Storage temperature 40C to 85C Weight 0 5 kg Dimensions 160 x 93 x 30mm Frequency range 1616MHz to 1626 5MHz Peak Power QW max Average Power 1 75 W During message transfer Standby Power 0 33W Receiver Sensitivity 118 5 dBm at 50W typical Receiver Spurious Rejection at 60dB offsets gt 1 MHz typical Multiplexing method TDMA FDMA Oscillator stability 1 5ppm Input output impedance 50 Ohms TNC F Connector 10 RS232 Specification The RST425 is provided with an RS232 serial port for data connection The 9 pin D type female sockets wired DCE for connection to a standard PC with a 1 1 cable Physic
4. Installation Location Installation Date Installation Technician Place Of Purchase 18
5. RY cse0000 10 RS232 SPECIFICATION cccscsssssssssssssee 11 PHYSICAL CONNECTION c cccesceeseeeseceeeeees 11 RS232 PORT SIGNAL SUPPORT AND HANDSHAKING c0cceesceessecesseeeseecesseeeseceseee 11 9 Wire and 3 Wire Operation Il RS232 PORT ELECTRICAL PARAMETERG 12 DATA CONNECTIVITY cccccceceesscesceescessceseeeees 13 CONFIGURATION SETTINGS cccccceccceseeeeeeevees 13 Modes of Operation ccccceccecseeseeeeeteeeees 13 SERIAL PORT SIGNAL LEVELS o 14 Data Port Inputs osooso 14 Data Port OUtputs cesccescceseeeseesteeseeneeeeees 14 HARDWARE FAILURE REPORTING cccee000 14 RF INTERFACE cccccosscessssssscessessescosersescsssesease 15 ANTENNA CONNECTOR cccccccceeceececeeeeceeeeenseees 15 Antenna Connector Type ccccccesceseeseeeee 15 RADIO CHARACTERISTICS ccccccceeeceeeeeeeeeeeeees 15 TROUBLESHOOTING THE RST 000 16 BEAM WARRANTY CONDITIONS 17 USER INSTALLER INFORMATION 18 CONVENTIONS IN THIS MANUAL Warnings cautions and notes appear throughout this manual They are represented by following conventions Warning This symbol and associated text indicate a warning note A providing information to prevent personal injury or damage to equipment Note This symbol and associated text indicate a note providing general operating information Interference All wireless phones may get interference wh
6. ST425 SBD Transceiver The baud rate can be set via the AT IPR command The default rate is 19200 bps 12 Data Connectivity To connect your RST425 to a PC or laptop simply connect the 9 pin serial plug from your RST425 interface cable to a 9 pin Male port on your PC or laptop If you do not have a serial port on your PC laptop an RST985 Serial to USB Converter Cable is available from your supplier Please refer to the following documents on CDROM for correct operation of Short Burst Data functionality Beam SBD Developer Guide ISU AT Command Reference Iridium SBD IP Socket White Paper For more information please visit www beamcommunications com Configuration Settings The RST425 allows the DTE to configure the data port communication parameters The three configuration types are active factory default and stored The active configuration is the set of parameters currently in use They can be changed by the DTE individually via specific AT commands The factory default configuration is stored in permanent memory This configuration can be recalled at any time through use of the AT amp Fn command Two groups of settings or profiles can be stored as user defined configurations The DTE first creates desired active configurations and then writes them to memory using the AT amp Wn command These profiles can be designated to be loaded as the active configuration upon RST425 power up through use of the AT a
7. al Connection The pin out of both connectors is described in the following table Pin Signal Direction Description 1 DCD RST gt PC Data Carrier Detect Driven ON at all times 2 RXD RST gt PC Received Data 3 TXD PC gt RST Transmitted Data 4 DTR PC gt RST Date Terminal Ready 5 GND Signal Ground Common 6 DSR RST gt PC Data Set Ready CTS and DCD 7 RTS PC gt RST Request to Send 8 CTS PC gt RST Clear to Send 9 RI RST gt PC Ring Indicate RS232 Port Signal Support and Handshaking The Serial data interface is used to both command the RST425 and transfer user data to and from the Transceiver The RST425 presents a 9 wire data port to the FA Field Application where the interface is at RS232 levels With respect to this interface the RST425 behaves as a DCE Data Communication Equipment and the FA behaves as a DTE Data Terminal Equipment The terms FA and DTE are used interchangeably throughout this document similarly for the term DCE Autobaud is not supported in RST425 SBD Transceiver The baud rate can be set via the AT IPR command The default rate is 19200 bps 9 Wire and 3 Wire Operation By default the serial interface operates as a 9 wire connection Table 9 describes each of the signals where input means an input to the RST425 and output means an output from the RST425 SBD Transceiver RXD Active high data output The DTE re
8. ceives the data from the RST425 TXD Active high data input Data is transmitted from the DTE to the RST425 GND OV RTS Active low flow control input CTS Active low flow control output RTS and CTS are used together to implement hardware flow control when enabled with AT amp K3 DTR Active low handshaking input AT amp Dn controls how the RST425 uses DTR If set to AT amp DO DTR is always ignored Otherwise DTR set to OFF places the data port into UART test mode after 10 seconds or immediately on boot up A subsequent transition of DTR to ON returns the data port to DCE mode and resets it to its power on state The UART test mode is provided for factory testing of the data port UART An FA should never activate test mode if it does the RST425 will stop responding to AT 11 commands until the data port is returned to DCE mode DSR Active low handshaking output The RST425 drives DSR ON when the data port is in DCE mode and OFF when the data port is in test mode The DTE may use this signal as an indication that the RST425 is powered up and ready to receive AT commands RI Active low ring indicator output The RST425 drives RI ON when it receives a Automatic Notification from the network that a Mobile Terminated SBD Message is queued at the Gateway and drives RI OFF after 5 seconds or when the DTE initiates an SBD session whichever occurs first DCD Active low handshaking output DCD is driven OFF at all times
9. e issued where those codes have been enabled Transitions between the modes of operation are performed automatically by the RST425 in response to the SBD AT Commands the DTE has no other control over the mode 13 Serial port signal levels Data Port Inputs The inputs on the RST425 serial port RTS DTR and TXD will operate correctly at TTL signal levels logic low 0 4 V max logic high 2 4V min or RS 232 levels up to 25 Volts Because the circuit for the data port is an RS 232 receiver the lowest logic low and highest logic high are rated to 25 Volts The transition voltage point transition from a Low to a High is at about 1V Above 1V a high below 1V Low RS 232 transmitters and receivers always invert Thus if you use these inputs at logic level you would need to invert these signals using logic level inverters Data Port Outputs The five outputs from the RST425 serial port DCD DSR CTS RI and RXD are all at RS 232 levels of approximately 7 Volts no load manufacturing test limits are 6 to 8 Volts With a 3 KOhm load the output is 6 4 Volts Hardware Failure Reporting If the RST425 detects a hardware problem during initialization the RST425 may be unable to function correctly The RST425 notifies the DTE of this situation by issuing an unsolicited result code at the end of initialization HARDWARE FAILURE lt subsys gt lt error gt where lt subsys gt identifies the software subsystem that detected
10. equirements of Iridium Solution Certification NOTE 2 Link Margin given for free space 15 Troubleshooting the RST This chapter provides information to help you troubleshoot problems you may encounter while running the RST425 No power on RST425 LED is off A Check power is connected and correct DC voltage is available RST425 fails to find Iridium service LED is Orange Check power connection Check Antenna connection and location PC cannot connect to RST425 A Check that the correct cable is used on the correct port and that the bit rate is set the same for both PC and RST425 16 Beam Warranty Conditions Beam Communications gives this express warranty along with extended warranty endorsements where applicable in lieu of all other warranties express or implied including without limitation warranties of merchantability and fitness for a particular purpose This constitutes our sole warranty and obligation with regard to our products as well as the Customer s sole remedy Beam Communications expressly disclaims all liability and responsibility for any special indirect or consequential damages or any further loss of any kind whatsoever resulting from the use of our product s The Customer s sole and exclusive remedy and the limit of Beam s liability for any loss whatsoever shall not exceed the purchase price paid by the Customer for the product to which a claim is made All products manufactu
11. ete BEAM RST425 Short Burst Data Modem Installation amp User Manual Beam Communications Pty Ltd RST425 INSTALLATION amp USER MANUAL RST425 Installation and User Manual Beam Communications Pty Ltd 8 Anzed Court Mulgrave Victoria 3170 AUSTRALIA Information furnished by Beam Communications Pty Ltd Beam is believed to be accurate and reliable However no responsibility is assumed by Beam for its use or for any infringement of patents or other rights of third parties which may result from its use No license is granted by implication or otherwise under any patent or patent rights of Beam Beam reserves the right to change specifications at any time without notice Copyright 2008 Beam Communications Pty Ltd All rights reserved Product name RST425 Installation amp User Manual Manual revision 02 Part Number USRMANO03702 Issue Date July 2008 RST425 INSTALLATION amp USER MANUAL Content SAFETY INFORMATION ccccsssssssssssseee 4 ABOUT BEAM COMMUNICATIONG 5 WHAT IS THE RST425 ccccccsssssscessessees 6 PACKAGE CONTENTS 0 ccessceessecessceeseecesseeeees 6 OPTIONAL BEAM ACCESSORIES 0 ceecseeeeees 6 INSTALLING THE RST425 ccccccccsssessseees 7 CONNECTING THE ANTENNA CABLE 7 CONNECTING THE POWER CABLE AND SERIAL ENEN EEE E E E E E ET 8 DIMENSIONS AND MOUNTING ceeeeeeeeeee 9 SPECIFICATION SUMMA
12. ich could affect performance Safety Information Note Read the following information before installing and using the BEAM RST425 Your RST425 is a low power radio transmitter and receiver When it is ON it receives and sends out radio frequency RF signals The design of your RST425 system complies with international safety standards Refer to the appropriate section of the RST425 User Manual for additional relevant safety information Warning A Do not open equipment There are no user serviceable parts inside If a DC power supply is to be used its output must comply with the Safety Extra Low Voltage SELV requirements of IEC60950 All connectors except the Line and Accessory sockets must only be connected to equipment ports which comply with the Safety Extra Low Voltage SELV requirements of IEC60950 About BEAM Communications J gt BEAM Beam Communications is an authorised manufacturer of Iridium Satellite products Beam develops subscriber products that utilise the Iridium satellite network of Low Earth Orbit satellites known as LEOs The Iridium network is extensively used around the world by commercial enterprises and defence agencies Beam products address the needs of individuals communities government agencies and the corporate sector providing voice and data access without the need for traditional wire line or mobile phone infrastructure As the Iridium satellite network is global Beam
13. mp Yn command The RST425 can be reset without loss of power to these profiles through use of the ATZn command These profiles can be designated to be loaded as the active configuration upon RST425 power up through use of the AT amp Yn command The RST425 can be reset without loss of power to these profiles through use of the ATZn command The configuration settings are stored in S register locations Modes of Operation The serial interface is always in one of three modes command mode SBD data mode or SBD session mode When the data port is in command mode AT commands can be entered to control the RST425 In command mode flow control has no effect with the RTS input ignored and the CTS output driven ON low When in SBD data mode the RST425 is transferring binary or text SBD message data to or from the DTE In SBD data mode e All characters from the DTE not forming part of the message data are ignored i e no AT commands may be entered e No unsolicited result codes are issued e RTS CTS flow control if enabled is active When RTS is OFF high the RST425 suspends transfer of data to the DTE when CTS is OFF high the RST425 expects the DTE to suspend transfer of data to the RST425 When in SBD session mode the RST425 is attempting to conduct an SBD session with the network In SBD session mode e The DTE must wait for the SBDI session result code e All characters from the DTE are ignored e Unsolicited result codes ar
14. red by Beam Communications are warranted to be free from defects in material and workmanship in accordance with and subject to the following terms and conditions This warranty is limited to the original Customer only It cannot be transferred or assigned to third parties unless the intent to transfer to a third party is expressly indicated in a purchase order and or warranty processing arrangements have been agreed upon in writing by Beam Beam Communications does not warrant any installation maintenance or service of the Products not performed by Beam nor does it warrant the use of Products with unapproved ancillary products Beam Communications will correct any defects in material or workmanship of products manufactured by Beam which appear within 12 months from the date of shipment by Beam Communications to the Customer Beam Communications will repair or replace at our option any defective product provided that our analysis and or inspection discloses that such defects developed under normal and proper use This warranty does not extend to goods subjected to liquid or particulate ingress extreme humidity misuse neglect accident or improper installation or to maintenance or repair of products that have been altered or repaired by anyone except Beam Communications unless otherwise stated in writing The warranty is a return to base warranty and freight is paid by the sender A charge of USD150 including return freight will be made for te
15. sting returned product which is not defective or is found to be defective as the result of improper use maintenance or neglect Beam Communications will not accept responsibility for any invoiced goods or services that are not covered by a Beam Communications written purchase order Under no circumstances does Beam Communications agree to pay for labour or other related expenses associated with the troubleshooting and or repair of our product without prior specific written authorization Information in our descriptive literature is based on product specifications that are current at the time of publication Product specifications designs and descriptive literature are subject to change as improvements are introduced Although we announce changes as they occur we cannot guarantee notification to every Customer Beam Communications warrants delivered product to conform to the most current specifications designs and descriptive literature This warranty policy may be expanded or limited for particular categories of products or Customers by information sheets published as deemed appropriate by Beam Communications In particular the warranty for third party Products is that of the third party and not Beams warranty 17 USER INSTALLER INFORMATION Please record your serial number here for future reference BS Model BEAM SBD Modem RST425 sem TALI This number can be copied from the white shipping label on the RST425 box Eg RTK02833
16. the error and lt error gt is the subsystem specific error code Any AT commands that cannot be handled in the failure condition will terminate with result code 4 ERROR 14 RF Interface This section describes the physical connector and RF specifications of the RF Interface Antenna Connector The RST425 will have the following antenna connector characteristics Impedance 50 Ohms nominal Gain 3dBi Polarization RHCP VSWR maximum operational 15 1 Note Existing qualified Iridium antennas may be used i e antennas designed for the 9522 and 9522A Antenna Connector Type The antenna connector on the RST425 is a female SMA type An SMA to TNC adapter is also provided and can be utilized to suit the type antenna cable connector used Radio Characteristics The tables within this section contain radio characteristics of the RST425 SBD Transceiver Average Power during a transmit slot max 1 6 W Receiver sensitivity 118dBm Max Cable loss permitted Note 1 2dB Link Margin Downlink Note 2 13dB Link Margin Uplink Note 2 7dB NOTE 1 Cable losses should be minimized Note that the total implementation loss for an antenna connectors cable lightening arrestor and any other RF component between the transceiver and the antenna shall not exceed 3dB Implementation loss higher than this will affect link performance and quality of service Solutions with a loss higher than 3dB will not meet the r
17. ting the Antenna Cable 1 Screw the TNC F to SMA M coaxial adaptor onto the antenna jack located on the back end of the module 2 Ensure that the cable being used is long enough to reach from the RST425 to the Antenna location Plug the antenna cable into the adapter 3 Ensure that you fasten the antenna cable securely to the TNC jack by screwing the cable firmly all the way in with your fingers 4 Please refer to the Antenna Installation Guide for important information on installation and placement of your antenna Note Refer to the Antenna Installation Guide supplied with your RST425 for information on installing the antenna and assuring Quality of Service This guide is also available for download at www beamcommunications com Connecting the Power Cable and Serial Cables The module is powered from a 9 to 32V DC supply using a 2 pin circular ring connector from the supplied cable Attach the 4mm eyelets to a compliant power supply The positive terminal is identified by a RED sleeve over eyelet The front LED has a dual function Green Power OK and network visible Orange Power OK but network unavailable The 9 pin D Connector provides the Communications Serial port to the RST425 terminal This connects directly to a Computer or communicating terminal device The default baud rate is 19200 8N1 The RST425 does not have an autobaud facility The baud rate can be set via the AT IPR n where n is one of
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