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Copyright © 2021 by NAL Research Corporation 

11100 Endeavor Ct., Suite 300 
Manassas, Virginia 20109 USA 

Phone: 703-392-1136 

Email: contact@nalresearch.com 

 

Powered by 

Model A3LA-RG User Guide 

Version B 

April 06, 2022 

 

 

 

 

 

 

 

 

 

 

 

451-93156-009B 

 

Summary of Contents for A3LA-RG

Page 1: ...021 by NAL Research Corporation 11100 Endeavor Ct Suite 300 Manassas Virginia 20109 USA Phone 703 392 1136 Email contact nalresearch com Powered by Model A3LA RG User Guide Version B April 06 2022 451...

Page 2: ...se or related to the performance or nonperformance of any products accessories facilities or services or information except as expressly stated in this guide and or the Product and or satellite servic...

Page 3: ...009B 3 of 180 REVISION HISTORY Revision Date Description 1 3 8 2 16 Initial version A 5 20 20 Added revision history added AT VOLB command updated address and updated document number A 1 07 14 2021 Up...

Page 4: ...51 94000 001A Version A 2022 4 Additional Information on DirectIP SBD Version 1 0 05 22 2009 5 Additional Information on SBD Version 3 3 05 22 2009 6 V 25ter 08 29 1995 7 GSM 07 07 Version 5 0 0 July...

Page 5: ...tenna Connector 29 5 SIM Card Interface 30 6 LED Display 31 7 Configuration Settings 32 8 Modes of Operation 33 9 AES 256 Bit Encryption 34 10 Self monitoring to Prevent Modem Lock up 35 11 Mounting R...

Page 6: ...18 Wn Store Active Configuration 46 B 19 Yn Designate Default Reset Profile 46 B 20 Kn Control Break 47 B 21 R Display Registers 47 B 22 Pn Power 47 B 23 CBST Select Bearer Service Type 47 B 24 CGMI M...

Page 7: ...r PIN 66 B 49 CPMS Select Preferred SMS Message Storage 67 B 50 CREG Network Registration 68 B 51 CSCA SMS Service Center Address 69 B 52 CSCB Select Cell Broadcast Message Types 70 B 53 CSCS Select T...

Page 8: ...rce IRLP Renegotiation 86 B 82 WTM IRLP Test Mode 87 B 83 WDLDM IRLP Dynamic Link Delay Measurement 87 B 84 WDAV Register or Deregister an RS232 DAV Data Peripheral 88 B 85 SBDWB Short Burst Data Writ...

Page 9: ...t Data Automatic Registration 112 B 111 SBDSX Short Burst Data Status Extended 114 B 112 CCWA Call Waiting Service 115 B 113 CLCK Facility Lock 117 B 114 CPWD Change Password 120 B 115 CSDT Sidetone 1...

Page 10: ...36 B 143 PKTTH Packet Send Threshold 137 B 144 RESETMODEMTG Reset Modem Toggle 137 B 145 RESETMODEMVF Reset Modem Verify 137 B 146 RLE Use Run Length Encoding 138 B 147 SE Configure Streaming Encrypti...

Page 11: ...a Call 156 E 9 Disconnecting a Data Call 156 E 10 Coordinating CLCC and CPAS Responses 157 Appendix F Power Consumption 159 Appendix G The Iridium Network 166 G 1 Iridium Network Data Capabilities 167...

Page 12: ...A3LA RG Guide Version B Document Number 451 93156 009B 12 of 180 Appendix L Mechanical Drawing 180...

Page 13: ...L Handset 161 Figure 12 Average Current Drawn During a Data Switch Call 162 Figure 13 Average Power Consumption During a Data Switch Call 162 Figure 14 Average Current Drawn During an SBD Transmission...

Page 14: ...GSM 7 07 Result Codes 150 Table 9 GSM 7 05 Result Codes 151 Table 10 Iridium Specific Result Codes 151 Table 11 Unit Identification 152 Table 12 Default Configuration 152 Table 13 Power on to Sending...

Page 15: ...nformit Europ enne CEP Circular Error Probable CLI Calling Line Identity CTS Clear To Send DAV Data After Voice DC direct current DCD Data Carrier Detect DCE Data Circuit terminating Equipment DCS Dis...

Page 16: ...dium Radio Link Protocol ISU Iridium subscriber unit modems phones trackers LAN Local Area Network LBT L Band Transceiver LCD Liquid Crystal Display LED Light Emitting Diode ME Mobile Equipment MO Mob...

Page 17: ...Router based Unrestricted Digital Internetworking Connectivity Solution Satterm Satellite Terminal Emulator Software SBAS Satellite Based Augmentation System SBD Short Burst Data SC Service Centre SI...

Page 18: ...Protocol Data Unit TP PID Transfer Protocol Identifier TS Technical Specification UART Universal Asynchronous Receiver Transmitter UTC Coordinated Universal Time VDC Volts Direct Current VSWR Voltage...

Page 19: ...le of sending standard AT commands via an RS232 serial port A DTE can be a desktop computer a laptop computer a smartphone or even a microcontroller With the exception of a smaller form factor model A...

Page 20: ...LA RG is powered The internal GPS receiver calibrates the noise floor when the device is turned on connecting the GPS antenna after power up can result in prolonged acquisition time To test GPS signal...

Page 21: ...n Interface 1 EXT_ON_OFF Power on off control input DC Power 2 12VDC Output Voltage to Power the DPL Handset DC Power 3 EXT_GND External GND input DC Power 4 EXT_B External 4 0 V 5 4 V or 5 0 V 32 0 V...

Page 22: ...aking and flow control The RS232 data interface comprises eight standard RS232 data control and status signals plus a ground level signal reference as shown in Table 1 This interface allows a connecte...

Page 23: ...etting overwrites it so that it remains after a power cycle The modem allows two profiles in which settings are stored choose either as a default profile The relevant commands are Wn and Yn a Wn store...

Page 24: ...lectrical power profile of the A3LA RG The A3LA RG accepts either 4 0 V to 5 4 V or 5 0 V to 32 V input The A3LA RG is shipped with hardware set for 5 0 V to 32 V input It can be changed to 4 0 V to 5...

Page 25: ...decay Do not reapply power until this time has elapsed If the two second wait time is not adhered to the reset circuit may not operate and the A3LA RG could be placed in a nonoperational state The st...

Page 26: ...e pins 5 and 15 and the DPL UART I O interface pins 18 and 20 enable an analog audio handset to be connected to the A3LA RG With the DPL audio handset model DPLS0401 X and DB25 data kit model HRC 24 8...

Page 27: ...as include the fixed mast mobile magnetic permanent mount and portable auxiliary For low cost and applications where small form factor and light weight are required NAL Research recommends model SYN73...

Page 28: ...1 93156 009B 28 of 180 Each bar represents a 2 dB increment Multiple ring channels can be present at the same time so units can lock to different signals If the reading is near the decision threshold...

Page 29: ...Any active antenna requiring a bias voltage of approximately 3 3 VDC with 50 mA is appropriate NAL Research offers a magnetic mount GPS antenna as well as dual Iridium GPS antenna for use with the A3L...

Page 30: ...peration The SIM chip is inserted into the opening located at the top of the modem as shown in Figure 6 A plastic locking mechanism holds the SIM in place Place the SIM chip facing down into the SIM r...

Page 31: ...ED lights up when power is provided to the A3LA RG I LED stays solid when the signal strength is between 3 5 blinks when the signal strength is between 1 2 and is off when signal strength is 0 The LED...

Page 32: ...permanent memory This configuration can be recalled at any time through use of the AT Fn command Stored Two groups of settings or profiles can be stored as user defined configurations o Users first c...

Page 33: ...en in data mode the A3LA RG transfers data over the Iridium network In data mode 1 All characters from the DTE are sent over the Iridium network to the remote side of the connection 2 No unsolicited r...

Page 34: ...lemented to handle AES 256 frame synchronization between the A3LA RG and a connected device The encryption and decryption keys are matched in each frame to ensure NIST FIPS 140 2 compliance Instructio...

Page 35: ...mmand If the 9523 responds it starts the counter over again If there is no response it power cycles the 9523 This can be enabled or disabled with the MPTNC command Check When in a Data Call The microc...

Page 36: ...09B 36 of 180 11 MOUNTING RECOMMENDATIONS The A3LA RG has four features on its bottom surface that can aid in its mounting see Appendix L Mechanical Drawing These four features are predrilled at a min...

Page 37: ...NICAL SUPPORT For technical support please contact us at Phone 703 392 1136 x203 Fax 703 392 6795 Email contact nalresearch com Technical documents are also available to download on NAL Research s web...

Page 38: ...eric parameter n To adjust its setting a basic command is entered with the appropriate numeric value of n If the numeric parameter n is omitted from the basic command entry a value of zero is assumed...

Page 39: ...est mode to query their range of valid responses Some extended commands incorporate set read and test modes For example AT MSVTR is entered as AT MSVTR n in set mode to enable disable receipt of DTMF...

Page 40: ...is ignored Uppercase characters are equivalent to lowercase characters A 5 COMMAND ENTRY An AT command is a string of characters sent by the DTE to the A3LA RG while it is in command mode A command st...

Page 41: ...r the following six commands to be entered in a single command line ATX0 set basic command ATXn to n 0 AT V execute basic command AT V AT GSN execute extended command AT GSN AT CMEE query the valid ra...

Page 42: ...UMERIC_CODE CR CR LF VERBOSE_CODE CR LF Information Responses TEXT CR LF CR LF TEXT CR LF Command entries with invalid syntax typically respond with ERROR Command entries of valid syntax with an out o...

Page 43: ...e to in call command mode without disconnecting from the remote modem After a pause the A3LA RG will respond with OK Register S2 can be used to alter the escape character from the factory default to a...

Page 44: ...eports the DTE speed default 1 Upon connection the A3LA RG reports the line speed the error correction protocol and the DTE speed in that order 2 Upon connection the A3LA RG reports its data port spee...

Page 45: ...lect the DTR operating mode 0 Selects normal asynchronous operation default See Qn B 15 QN SYNC ASYNC MODE Select asynchronous mode This is an extension of the M command and is used to control the con...

Page 46: ...B 16 SN DSR OVERRIDE Define the behavior of DSR 0 DSR always active default 1 Same as 0 B 17 V VIEW ACTIVE AND STORED CONFIGURATION View the current active configuration and stored profiles B 18 WN S...

Page 47: ...ers and send break to remote modem 2 Same as 0 3 Send break to remote modem immediately 4 Same as 0 5 Send break to remote modem in sequence with transmitted data default When a break is received from...

Page 48: ...68 2400 bps V 110 70 4800 bps V 110 71 9600 bps V 110 name takes the following value 0 data circuit asynchronous ce can only take the following value 1 non transparent Read Command CBST Query the cur...

Page 49: ...NT ERROR Set Command CMEE x Set mobile equipment error reporting level x takes the following values 0 Disable error reporting use ERROR result code default 1 Enable numeric error reporting 2 Enable ve...

Page 50: ...characters in text string 26 dial string too long 27 invalid characters in dial string 28 number is SIM fixed dialing restricted 30 no network service 31 network timeout 32 emergency calls only 40 net...

Page 51: ...ponse is in the form CPAS x where x can take the following values 0 Ready allows commands 1 Unavailable does not allow commands 2 Unknown may not respond to commands 3 Data Call Ringing allows command...

Page 52: ...the V 42bis data compression function direction can take on the following values 0 No compression 1 Transmit only 2 Receive only 3 Both directions default comp_neg can take on the following values 0...

Page 53: ...be known once a data call is established and the negotiation phase is done For that reason the values are written to the register only after a call is established and both sides have negotiated parame...

Page 54: ...call release The response is in the form CEER report An example of a report is User alerting no answer B 34 CHUP HANGUP CALL This command causes the A3LA RG to hangup the current data call B 35 CMGD D...

Page 55: ...lemented 81 invalid SM reference value 95 invalid message 96 invalid mandatory information element 97 nonexistent message type 98 incompatible message 99 nonexistent information element 111 protocol e...

Page 56: ...1 memory capacity exceeded 255 unspecified error 300 A3LA RG failure 301 SMS service reserved 302 operation not allowed 303 operation not supported 304 invalid PDU mode parameter 305 invalid text mode...

Page 57: ...CMGF Read command returns the current mode set Response is in the form CMGF mode Test Command CMGF Test command returns the list of supported mode s Response is in the form CMGF list of supported mod...

Page 58: ...du GSM 04 11 8 SC address followed by GSM 03 40 9 TPDU in hexadecimal format Test Command CMGL Test command gives a list of all status values supported by the A3LA RG Response is in the form CMGL list...

Page 59: ...TPDU in hexadecimal format B 39 CMGS SEND SMS MESSAGE Exec Command CMGS length CR pdu ctrl Z ESC PDU mode Execution command sends message from the DTE to the network SMS SUBMIT In PDU mode length is t...

Page 60: ...sult code CMS ERROR cms_err is returned B 41 CMOD CALL MODE Set Command CMOD mode Set command selects the call mode of further dialing commands D or for next answering command A Mode can be either sin...

Page 61: ...em to the DTE after reservation Otherwise forward them directly to the DTE Valid values for mt are 0 No SMS DELIVER indications are routed to the DTE default 1 If SMS DELIVER is stored in the A3LA RG...

Page 62: ...indication Response is in the form CNMI mode mt bm ds bfr Test Command CNMI Test command returns the supported settings of the A3LA RG Response is in the form CNMI list of supported mode s list of sup...

Page 63: ...format is IRIDIUM and the numeric format is 90103 These are the only values accepted Note that setting the mode to manual does not disable automatic registration of the A3LA RG to the network It just...

Page 64: ...er type text Test Command CPBF Test command returns the maximum lengths of number and text fields for phonebook entries Response is in the form CPBF nlength tlength where nlength indicates the maximum...

Page 65: ...xample FD storage takes the following values FD SIM fixed dialing phonebook LD Last ten calls dialed phonebook ME A3LA RG phonebook MT combined A3LA RG and SIM phonebook default SM SIM phonebook Read...

Page 66: ...Command CPIN pin newpin Set command sends to the A3LA RG a password which is necessary before it can be operated SIM Card PIN Code SIM PUK etc If no password request is pending no action is taken by...

Page 67: ...iption based features In any of these three cases the A3LA RG should be available to place and receive calls Note CPIN is closely related to CLCK and CPWD See these commands for additional information...

Page 68: ...storages supported by the A3LA RG Response is in the form CPMS list of supported mem1 s list of supported mem2 s list of supported mem3 s B 50 CREG NETWORK REGISTRATION Set Command CREG n Set command...

Page 69: ...n status of the A3LA RG Location information elements lac and ci are returned only when n 2 and A3LA RG is registered in the network Response is in the form CREG n stat lac ci Test Command CREG Test c...

Page 70: ...supported mode s B 53 CSCS SELECT TE CHARACTER SET Set Command CSCS chset Set command informs the A3LA RG which character set chset is used by the DTE Only the IRA character set is currently supporte...

Page 71: ...ase 2 version 4 7 0 default Response is in the form CSMS mt mo bm where mt mo bm 0 type not supported 1 type supported Read Command CSMS Read command returns the current message service type set Respo...

Page 72: ...o CGMI B 57 GMM MODEL IDENTIFICATION Exec Command GMM Query the A3LA RG RF board model This command is similar to CGMM B 58 GMR REVISION Exec Command GMR Query the A3LA RG RF board revision This comma...

Page 73: ...cter received from the DTE during the call establishment phase will cause the call attempted to be terminated B 62 1 D DIRECT DIAL FROM PHONEBOOK The A3LA RG and SIM contain phonebooks which have a ph...

Page 74: ...ich phonebook storage is used B 63 HN HANGUP Control the hook switch This command is used to clear a data call connection It is also used to clear a voice call connection when the A3LA R RM RGS has or...

Page 75: ...Exec Command CLVL level This command is used to select the volume of the audio on the audio path level is an integer type value with the smallest value representing the lowest sound level Read Comman...

Page 76: ...nse is in the form CMUT n Test Command CMUT List the supported mute settings The response is in the form CMUT supported n s B 68 CRC CELLULAR RESULT CODES ExecSet Command CRC mode Set the extended for...

Page 77: ...isconnect as reaction to Hn command OK response given 1 Ignore Hn command OK response given 2 Disconnect as reaction to Hn command default Read Command CVHU Query the current voice control hangup sett...

Page 78: ...gle ASCII character or 2 string that follows the format tone time with each string enclosed in square brackets The string parameter values are defined as follows tone specifies the string of tones to...

Page 79: ...le in a voice call MSTRX tone event where tone is the DTMF tone received 0 9 A D and event can be one of the following 0 tone stopped i e key released 1 tone started i e key pressed Read Command MSVTR...

Page 80: ...esponse is the form MSSTM system_time system_time can take one of the following forms no network service The A3LA RG has not yet received system time from the network XXXXXXX Where XXXXXXXX is the cur...

Page 81: ...ery the geolocation grid code received from the network in the last Access Decision Notification message The response is of the form MSGEO x y z time_stamp x y z is a geolocation grid code from an ear...

Page 82: ...eply 3 not reachable 4 all call forwarding refer GSM 02 30 5 5 all conditional call forwarding refer GSM 02 30 5 mode takes one of the following values 0 disable not used in Call Forward 1 enable not...

Page 83: ...ows 0 not active 1 active For example CCFC 0 1 CCFC 1 1 441223420024 145 CCFC 2 3 00881662990000 1 30 Test Command CCFC List supported reason s The response is in the form of a range rather than a lis...

Page 84: ...f they were intentionally stored on the SIM B 79 CSSSC SUPPLEMENTARY SERVICES SHORT CODE Exec Command CSSSC shortcode Execute the given shortcode If the shortcode fails a CME ERROR code is returned Ot...

Page 85: ...30 n2 is used to represent the maximum number of re transmission attempts of a frame e g I S N U frame and can take on the following values 1 255 Default is 15 t2 is used to indicate the amount of tim...

Page 86: ...all Note that these may differ from the desired parameters set using WIRLP from power up they are set to hardcoded defaults and will only change as the result of the negotiation The response is in the...

Page 87: ...Command WTM Query the current parameter setting The response is in the form WTM tm Test Command WTM List the supported parameter settings The response is in the form WTM supported tm s B 83 WDLDM IRLP...

Page 88: ...the following values 0 Deregister peripheral 1 Register Type 1 RS232 DAV Data Peripheral encrypt can take on the following values 0 Encryption is not supported at this time Read Command WDAV Query the...

Page 89: ...ast significant 2 bytes of the summation of the entire SBD message The high order byte must be sent first For example if the DTE were to send the word hello encoded in ASCII to the A3LA RG the binary...

Page 90: ...A3LA RG were to send the word hello encoded in ASCII to the DTE the binary stream would be hex 00 05 68 65 6c 6c 6f 02 14 o If there is no mobile terminated SBD message waiting to be retrieved from th...

Page 91: ...cleared 0 Clear the mobile originated buffer 1 Clear the mobile terminated buffer 2 Clear both the mobile originated and mobile terminated buffers Using this command or power cycling the phone are the...

Page 92: ...is one of the following numeric codes 0 No message in mobile originated buffer 1 Message in mobile originated buffer MOMSN The MOMSN identifies the sequence number that will be used during the next m...

Page 93: ...d switches the type of audio output between analog digital and mute no audio output Valid values for n are as follows 0 mute 1 analog Codec port 2 digital User Connector port Read Command CAR This com...

Page 94: ...indicator event for each indicator in the A3LA RG default 1 Enable indicator event reporting buffer the most recent CIEV unsolicited result code for each indicator when the data port is not in comman...

Page 95: ...strength greater than 0 The service availability indicator provides a way for the DTE to wait until the A3LA RG can start an SBD session without receiving continual notifications of changes in signal...

Page 96: ...indicates the SBD ring indication status 0 No SBD ring alert received 1 SBD ring alert received Note It is valid for the A3LA R RM RGS to receive a telephony ring alert and an SBD ring alert at the sa...

Page 97: ...50 second timeout limit Under such condition an ERROR response will be received To avoid a delayed response due to registration problems issue the CREG command to verify registration prior to enterin...

Page 98: ...ery the current SBD lock status of the A3LA RG The response is of the form CULK status status 0 Unlocked 1 Locked 2 Permanently locked B 98 CVMI VOICEMAIL INDICATION Exec Command CVMI Query the status...

Page 99: ...the presentation of the Calling Line Identity of the calling party in a mobile terminated call via the CLIP unsolicited result code n controls only the presentation of the unsolicited result code the...

Page 100: ...of the Calling Line Identity of the calling party to the called party in the next mobile originated call n 0 Presentation is determined by the subscription of the CLIR service 1 CLIR invocation i e h...

Page 101: ...will accept commands The change in data rate takes effect after the result code e g OK is received by the DTE rate takes the following values 1 600 bps 2 1200 bps 3 2400 bps 4 4800 bps 5 9600 bps 6 19...

Page 102: ...t is prepared to receive the message by sending the string READY CR LF hex 52 45 41 44 59 0D 0A to the DTE Once the DTE receives the READY indication the text message must be sent terminated by a carr...

Page 103: ...has been locked and may not make SBD calls see CULK command 17 Gateway not responding local session timeout 18 Connection lost RF drop 19 Link failure A protocol error caused termination of the call 2...

Page 104: ...functionality should use the extended SBDIX command Exec Command SBDI This command initiates an SBD session between the A3LA RG and the GSS If there is a message in the mobile originated buffer it wi...

Page 105: ...while attempting to perform a mailbox check or receive a message from the GSS MTMSN The Mobile Terminated Message Sequence Number MTMSN is assigned by the GSS when forwarding a message to the A3LA RG...

Page 106: ...will always attempt an SBD registration consisting of attach and location update during the SBD session in order to support SBD Ring Alert If this is not desired the SBDI command should be used The DT...

Page 107: ...icate MO session success if used 5 8 Reserved but indicate MO session failure if used 10 GSS reported that the call did not complete in the allowed time 11 MO message queue at the GSS is full 12 MO me...

Page 108: ...This value is indeterminate if the field MT status is zero This wraparound counter can range from 0 to 65535 MT length The MT length is the length in bytes of the mobile terminated SBD message receive...

Page 109: ...en SBD ring indication is enabled the A3LA RG asserts the RI line and issues the unsolicited result code SBDRING when an SBD ring alert is received Read Command SBDMTA Query the current ring indicatio...

Page 110: ...n and should be used for an application that does not require SBD Ring Alert location has format DDMM MMM dddmm mmm where DD Degrees latitude 00 89 MM Minutes latitude 00 59 MMM Thousandths of minutes...

Page 111: ...Location Update was not accepted 3 14 Reserved but indicate Location Update failure if used 15 Access is denied A3LA RG reported values 16 Modem has been locked and may not make SBD calls see CULK com...

Page 112: ...rom its last registered location Note that auto registration runs only while the A3LA RG is attached to the GSS i e the registration status is Not registered or Registered Auto registration may only b...

Page 113: ...date failure if used 15 Access is denied A3LA RG reported values 16 A3LA RG has been locked and may not make SBD calls see CULK command 17 Gateway not responding local session timeout 18 Connection lo...

Page 114: ...be used during the next mobile originated SBD session MT Flag The MT flag indicates the existence of a message in the mobile terminated buffer The response from the A3LA RG is one of the following nu...

Page 115: ...e While this command is implemented in the A3LA RG it may not yet be supported in the Iridium network Stand by for an Iridium Technical Bulletin announcing network support for this feature This comman...

Page 116: ...E command n will set the result code presentation status in the A3LA RG regardless of the value of any mode parameter mode when mode parameter is not given network is not interrogated 0 disable Call W...

Page 117: ...e queried AT CCWA 1 2 1 If the command is successful the A3LA RG might return after contacting the network CCWA 1 1 If a remote caller tries to place a voice call to the A3LA RG while it already has a...

Page 118: ...4 are supported A subset of those implemented in the H1 menu MMI is supported Note This command will not work unless the SIM PIN has been entered using the CPIN command Note Once this command has bee...

Page 119: ...R BIC Roam Bar Incoming Calls when Roaming outside the home country refer GSM 02 88 4 clause 2 In Iridium it is not possible to roam there is only one home country so this facility should not be exerc...

Page 120: ...orted by the phone The response is in the form CLCK list of supported fac s Note Only CS will appear as a supported value if there is no SIM card in the device Note CLCK is closely related to CPIN and...

Page 121: ...ord Note CPWD is closely related to CLCK and CPIN See these commands for additional information B 115 CSDT SIDETONE Exec Command CSDT sidetone enabled This command controls the A3LA RG RF board sideto...

Page 122: ...ailure cause TD_SMS_RP_CAUSE_ 1 Unassigned Number 8 Operator Barring 10 Call Barred 21 SM Transfer Rejected 22 Memory Capacity Exceeded 27 Destination Out Of Order 28 Unidentified Subscriber 29 Facili...

Page 123: ...ages and values 128 and above are internal codes introduced by Iridium B 117 PA GPS LIST OF NMEA MESSAGE FORMATS Exec Command PA n This command returns the complete NMEA message format where n is a he...

Page 124: ...PG GPS GPS AUTOMATICALLY SENT Exec Command PG CD level mode rate messages This command automatically sets the unit to return GPS information at a set rate CD level CD level controlling when GPS infor...

Page 125: ...or 0x0C Not Used 13 or 0x0D Not Used 14 or 0x0E Not Used 15 or 0x0F Not Used Test Command PG Returns the current settings with the messages displayed as a hexadecimal number showing what messages are...

Page 126: ...999 E W Either East or West depending on the direction Altitude displayed with one decimal place zz Number of satellites used to obtain information B 121 PLOC GPS DISPLAY POSITION TO 5TH DECIMAL PLACE...

Page 127: ...n information B 122 PT GPS UTC TIME Exec Command PT This command returns UTC time with the format shown below The Invalid Position Fix message will appear only if the GPS receiver could not acquire a...

Page 128: ...ging from 0 to 360 zz Number of satellites used to obtain information B 124 PVEL GPS GPS VELOCITY Exec Command PVEL This command returns velocity consisting of speed and direction with the format show...

Page 129: ...d AD enabled number This command enables or disables auto dialing If auto dialing is enabled the A3LA RG will go into auto dial mode when the DTR line is brought low and will go back to command mode w...

Page 130: ...s must be between 8 and 16 characters in length The factory set password is temp password and must be changed before encryption can be used old Old password and must be enclosed by two single quotes o...

Page 131: ...2030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F20 B 132 KE KEY FOR ENCRYPTION ENCRYPTION Exec Command KE password key Allow entering the 32 bytes for the AES encryption key These bytes mus...

Page 132: ...en the modem is automatically recovered Command has read 0 Information message is not displayed 1 Information message is displayed B 135 MPTDC MODEM POWER TOGGLE DATA CONNECTION Exec Command MPTDC mod...

Page 133: ...d power cycle will not occur during a data connection mode takes the following values 0 Disable the MPT forced power cycle functionality 1 Enable the MPT forced power cycle functionality Read Command...

Page 134: ...upported modem power toggle forced registration The response is in the form MPTFR supported mode s B 138 MPTNC MODEM POWER TOGGLE NOT IN DATA CONNECTION Exec Command MPTNC mode Enable or disable the m...

Page 135: ...on Default is 3 s Sensitivity How vigorous and consistent the motion must be every minute for the unit to determine it is in motion The range is 1 to 26 where 1 requires the least motion and 26 requir...

Page 136: ...seconds Read Command PKTST Query the current value of the send timeout if the packet size threshold is not reached Response is in the form PKTST timer Test Command PKTST List the supported timer Resp...

Page 137: ...he form PKTTH threshold Test Command PKTTH List the supported threshold Response is in the form PKTTH supported threshold s B 144 RESETMODEMTG RESET MODEM TOGGLE Exec Command RESETMODEMTG Causes the m...

Page 138: ...form RLE supported rle s B 147 SE CONFIGURE STREAMING ENCRYPTION Exec Command SE imei blocks timeout imei Whether or not to send the unencrypted IMEI at the beginning of the call 0 Do not send IMEI De...

Page 139: ...x must be between 1 and 100 Test Command SMSD Returns a fixed message indicating the range of acceptable values B 149 SMSE SMS ERASE Exec Command SMSE This command erases the SMS flash memory B 150 SM...

Page 140: ...RUN ENCRYPTION Exec Command STR Cause the modem to run self test This is the same test performs by the modem at each power up B 153 UE USE ENCRYPTION Exec Command UE password n Set the modem on whethe...

Page 141: ...isabled AND Set to be Enabled Next Power Cycle OR Set to be Disabled Next Power Cycle Encryption Feature Not Included B 154 VOLB VOLUME BOOST Exec Command VOLB n This command controls the volume boost...

Page 142: ...ng subsections C 1 1 SR DIRECT S REGISTER REFERENCE Set a pointer to reference S register r C 1 2 SR DIRECT S REGISTER READ Read the value of S register r C 1 3 SR N DIRECT S REGISTER WRITE Set the va...

Page 143: ...ier detect response time No action compatibility only S10 0 255 14 Carrier loss time No action compatibility only S11 0 255 0 DTMF tone duration No action compatibility only Yes S12 0 255 40 Escape gu...

Page 144: ...t a change in the DTR status has to persist for before it is recognized S27 0 255 9 Bitmap register where bits 0 1 and 3 reflect the Qn setting bit 3 reflects leased line operation setting and bits 4...

Page 145: ...rate adjustment setting No action compatibility only Yes S95 0 255 0 Bitmap register for extended result codes overrides Wn setting 0 CONNECT shows DCE speed 2 Enable CARRIER XXXX 3 Enable PROTOCOL XX...

Page 146: ...earing code as returned by the network Refer to GSM 04 08 12 Table 10 86 Cause Information Element Values Yes S43 0 255 32 Bitmap register 0 CMGF setting 1 CBST parameter name setting 2 CMEE setting 3...

Page 147: ...IRLP k iwf isu parameter S99 0 105 105 IRLP k isu iwf parameter S100 1 15 15 IRLP N2 parameter S102 26 255 30 IRLP T1 parameter S103 10 255 10 IRLP T2 parameter S104 4 255 4 IRLP T4 parameter S106 1 1...

Page 148: ...asurement delay tolerance WDLM dtl setting Value in unit S126 0 255 2 Bitmap register 0 Ignore Dn command specified reaction to DTR ON to OFF transitions Disconnect as reaction to Hn command OK respon...

Page 149: ...onnection completion timeout 9 CONNECT 0600 Data call connection established at 600 bps 10 CONNECT 2400 Data call connection established at 2400 bps 11 CONNECT 4800 Data call connection established at...

Page 150: ...AILURE subsys error Issued at initialization in case of a hardware failure as verbose DR V42B NONE Data call connected with no data compression as verbose DR V42B TD Data call connected with V 42bis c...

Page 151: ...enabled as verbose CMT alpha length CR LF pdu PDU mode SMS DELIVER message indication unsolicited if enabled as verbose CDS length CR LF pdu PDU mode SMS STATUS REPORT message indication unsolicited i...

Page 152: ...ld confirm the type of Iridium device to which it is connected Table 11 Unit Identification To A3LA RG from DTE To DTE from A3LA RG Description AT CGMI Get manufacturer name Iridium OK AT CGMM Get mod...

Page 153: ...ill turn on the A3LA RG wait for the A3LA RG to acquire the network and send a 70 byte message Table 13 Power on to Sending an SBD Message To A3LA RG from DTE To DTE from A3LA RG Description Wait for...

Page 154: ...ister for automatic notifications SBDREG 2 0 A3LA RG is now registered AT SBDREG Query the A3LA RG registration status SBDREG 2 A3LA RG is registered AT SBDMTA 1 Enable SBD ring indications from A3LA...

Page 155: ...A3LA RG binary transfer E 6 SBD AUTOMATIC NOTIFICATION AUTOMATIC REGISTRATION The DTE verifies its registration state and enables automatic registration using the Ask mode Table 16 SBD Automatic Notif...

Page 156: ...following is a sequence of commands that can be used to establish the connection Table 18 Commands to Accept Mobile Terminated Data Calls To A3LA RG from DTE To DTE from A3LA RG Description RING Indic...

Page 157: ...and CPAS commands may be used The following table demonstrates how the output of the two commands as well as the Extended Ring Message can be combined to provide a more detailed definition of the call...

Page 158: ...ting after ATD dialing Data command aborts call command aborts call n a Ringing Voice CLCC 004 CPAS 003 CRING VOICE Ringing Data CLCC 004 CPAS 003 CRING DATA In call Voice CLCC 000 CPAS 000 or 003 n a...

Page 159: ...ep the power cable between the A3LA RG and the power source as short as possible 5 Use both power input pins on the multi interface connector Power consumption of the A3LA RG can be divided into five...

Page 160: ...ge Current Drawn During Standby Figure 9 Average Power Consumption During Standby 0 5 10 15 20 25 30 35 Voltage DC 0 00 0 05 0 10 0 15 0 20 0 25 0 30 Current A 4 0V to 5 5V 5 0V to 32V 0 5 10 15 20 25...

Page 161: ...ge Current Drawn During Standby with DPL Handset Figure 11 Average Power Consumption During Standby with DPL Handset 0 5 10 15 20 25 30 35 Voltage DC 0 0 0 2 0 4 0 6 0 8 Current A 4 0V to 5 5V 5 0V to...

Page 162: ...Average Current Drawn During a Data Switch Call Figure 13 Average Power Consumption During a Data Switch Call 0 5 10 15 20 25 30 35 Voltage DC 0 0 0 2 0 4 0 6 0 8 Current A 4 0V to 5 5V 5 0V to 32V 0...

Page 163: ...urrent Drawn During an SBD Transmission Figure 15 Average Power Consumption During an SBD Transmission 0 5 10 15 20 25 30 35 Voltage DC 0 0 0 1 0 2 0 3 0 4 0 5 Current A 4 0V to 5 5V 5 0V to 32V 0 5 1...

Page 164: ...urrent Drawn During an SMS Transmission Figure 17 Average Power Consumption During an SMS Transmission 0 5 10 15 20 25 30 35 Voltage DC 0 00 0 15 0 30 0 45 0 60 Current A 4 0V to 5 5V 5 0V to 32V 0 5...

Page 165: ...nt Drawn During a Voice Call Using DPL Handset Figure 19 Average Power Consumption During a Voice Call Using DPL Handset 0 5 10 15 20 25 30 35 Voltage DC 0 0 0 3 0 6 0 9 1 2 1 5 Current A 4 0V to 5 5V...

Page 166: ...the 66 satellite constellation The near polar orbits of the Iridium constellation provide truly real time and global coverage from pole to pole Figure 20 Iridium Network Major Components The Iridium n...

Page 167: ...as billing and resource management The satellite constellation provides connectivity between users from a user to the Iridium system gateway and between gateways Within the Iridium network architectu...

Page 168: ...second kbps The connection time involving user authentication and handshaking or modem training can range from 15 to 30 seconds For an Iridium to Iridium call dial up data service offers an additiona...

Page 169: ...ridium modem actually dials and initiates a connection with the Iridium gateway through the Iridium satellite constellation Because the Iridium modem is requesting to establish a data connection the s...

Page 170: ...orking setup is similar to the dial up networking setup for a landline telephone The only difference is that the dialed telephone number is an international number provided by Iridium Figure 23 illust...

Page 171: ...multiple fielded Iridium modems SBD service also supports the transfer of messages to Iridium modems where messages may originate from terrestrial sources Delivery methods and options are initially co...

Page 172: ...d the Iridium modem There are three key benefits of using RUDICS over the conventional PSTN circuit switched data connectivity or mobile to mobile data solutions 1 elimination of analog modem training...

Page 173: ...93156 009B 173 of 180 along the satellite s ground path and tend to increase with distance from the satellite Geolocation errors in the east west dimension therefore are sometimes more than 100 times...

Page 174: ...for compliance could void the user s authority to operate the equipment Industry Canada Compliance The 9523 is compliant with Industry Canada RSS 170 Issue 2 for RF Exposure CE Compliance The 9523 whe...

Page 175: ...A3LA RG Guide Version B Document Number 451 93156 009B 175 of 180 Figure 24 Certificate of Compliance...

Page 176: ...lure to comply can result in the imposition of fines and penalties the loss of export privileges and termination of your contractual agreements with NAL Research The export and re export of NAL Resear...

Page 177: ...p of the A3LA RG Status Display Four LEDs Cooling Convection Enclosure Aluminum EMI shielding J 2 RF SPECIFICATIONS Operating Frequency 1616 to 1626 5 MHz Duplexing Method TDD Multiplexing Method TDMA...

Page 178: ...ge 75 RH Storage Temperature Range 40 C to 85 C 40 F to 185 F Storage Humidity Range 93 RH J 5 DATA I O SPECIFICATIONS Dial Up Data RUDICS 2 4 kbps average Direct Internet 2 4 kbps average Short Burst...

Page 179: ...e 50 channel u blox 6 engine L1 frequency 1575 42 MHz carrier frequency C A code SBAS WAAS EGNOS MSAS Maximum update rate 5 Hz Accuracy Horizontal Position 2 5 m CEP SBAS 2 0 m CEP Acquisition typical...

Page 180: ...A3LA RG Guide Version B Document Number 451 93156 009A 180 of 180 APPENDIX L MECHANICAL DRAWING Figure 25 AL3A RG Mechanical Drawing...

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