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NAL Research Corporation (451-93156-002A)

105

Although there are multiple gateways, a user is registered to a single gateway. The gateways perform

call connection setup and administrative duties such 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 architecture, the satellites are cross-linked which allows ISU to ISU

communication independent of gateway intervention once the call connection is established.

There are currently two commercial Iridium gateways located in Arizona, United States and Fucino,

Italy. The U.S. government owns and operates an Iridium gateway located in Hawaii, United States. Each
gateway generates and controls all user information pertaining to its registered users, such as user identity,
geo-location and billing items. The gateway also provides connectivity from the Iridium system to the
terrestrial based networks such as the PSTN.

F.2 Description of the Iridium Network Data Capabilities

For data communications, the Iridium network supports five different modes of operation as shown in

Figure F1—dial-up data service, direct Internet connection, short-burst data (SBD), short-messaging service
(SMS) and router-based unrestricted digital internetworking connectivity solution (RUDICS).

Dial-up Data (DAV)

Direct Internet

SBD

SMS

RUDICS

Dial-up Data (DAV)

SMS, SBD

Internet

AZ, HI or Fucino

SBD, SMS

(e-mail)

RUDICS

Server

IP

Address

PSTN

Landline

Modem

Figure F1. Iridium Network Data Capabilities.

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Содержание A3LA-RM

Страница 1: ...IPTION OF MODEL A3LA RM Revision A May 20 2020 451 93156 002A Copyright 2020 by NAL Research Corporation 11100 Endeavor Court Suite 300 Manassas Virginia 20109 USA Phone 703 392 1136 E mail contact na...

Страница 2: ...e 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 service documentation Any...

Страница 3: ...ration 451 93156 002A 3 Revision History Revision Date Description Author 1 3 8 2 16 Initial version P Kormendi A 5 20 20 Added revision history Updated address Updated document number Added AT VOLB c...

Страница 4: ...0 SIM CARD INTERFACE 13 6 0 LED DISPLAY 13 7 0 CONFIGURATION SETTINGS 14 8 0 MODES OF OPERATION 14 9 0 AES 256 BIT ENCRYPTION 15 10 0 SELF MONITORING TO PREVENT MODEM LOCKUP 15 11 0 MOUNTING RECOMMEN...

Страница 5: ...NAL Research Corporation 451 93156 002A 5 APPENDIX J MECHANICAL DRAWINGS 113...

Страница 6: ...ubscriber Units Modems Phones Trackers LBT L Band Transceiver NIPRNET Non Secure Internet Protocol Router Network NOC Network Operation Center OFAC Office of Foreign Asset Controls PSTN Public Switch...

Страница 7: ...the 9522B Model A3LA RM MIL is an A3LA RM that has been certified to MIL STD 810G standards and IP67 rating Services supported include 1 Dial Up Data Switch 2 Direct Internet Connection or NIPRNET Con...

Страница 8: ...t may vary depending on the field of view between the modem antenna and the Iridium satellite 2 4 Environmental Specifications Operating Temperature Range 30o C to 70o C 22o F to 158o F Operating Humi...

Страница 9: ...s and can be changed using the IPR command PIN SIGNAL DESCRIPTION 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...

Страница 10: ...are stored and user can choose either as a default profile The relevant commands are Wn and Yn Wn stores the present configuration in profile n where n can be either 0 or 1 Yn designates which profile...

Страница 11: ...ower On Off Control With the EXT_ON_OFF pin is left unconnected the A3LA RM will automatically turn on or off when external DC power is applied or removed Prior to turning the A3LA RM off command AT P...

Страница 12: ...m and a satellite phone This setup as shown in Figure 3 can be an extremely useful developmental tool since the modem status can be seen on the handset LCD similar to a 9555 Iridium phone 3 6 Digital...

Страница 13: ...rent signals 4 If the reading is near the decision threshold it would be easy to see a 1 bar difference 5 0 SIM CARD INTERFACE The A3LA RM modem contains an integrated SIM reader The modem uses and re...

Страница 14: ...then write them to memory using the AT Wn command These profiles can be designated to be loaded as the active configuration upon A3LA RM power up through use of the AT Yn command The A3LA RM can be re...

Страница 15: ...The only way to recover is to power cycle the ISU The A3LA RM has safeguards put in place with a watch dog timer to keep the 9523 RF board from locking up These were done by having another micro contr...

Страница 16: ...has four features on its bottom surface that can aid in its mounting see Appendix J These four features are pre drilled at a minimum depth of 0 25 inch to accept 6 32 thread type 12 0 TECHNICAL SUPPOR...

Страница 17: ...d in the same fashion as is with other modems but has no effect on the operation of the A3LA RM since it has no meaning in the Iridium environment A 3 Extended Commands Extended commands perform actio...

Страница 18: ...er are used for commands or parameters the high order bit is ignored Upper case characters are equivalent to lower case characters A 5 Command Entry An AT command is a string of characters sent by the...

Страница 19: ...gsn cmee cpbr 1 12 msvtr all lower case AT X 0 V GSN CMEE CPBR 1 12 MSVTR all upper case ATX 0 V GSN CMEE CPBR 1 12 MSVTR space omitted between AT and X ATX0 V GSN CMEE CPBR 1 12 MSVTR space omitted...

Страница 20: ...A 8 Command Set Description A 8 1 AT Attention Code This is the prefix for all commands except A and When entered on its own the A3LA RM will respond OK A 8 2 A Repeat Last Command Repeat the last co...

Страница 21: ...A3LA RM controls the DCD behavior DCD always indicates the connection status No action compatibility only Allowed values for n are 0 and 1 A 8 11 Dn DTR Option Set the A3LA RM reaction to DTR signal w...

Страница 22: ...or correction acknowledged mode default A 8 16 Sn DSR Override Define the behavior of DSR 0 DSR always active default 1 Same as 0 A 8 17 V View Active and Stored Configuration View the current active...

Страница 23: ...can have the following values 0 Autobauding 1 300 bps V 21 2 1200 bps V 22 3 2400 bps V 22bis 6 4800 bps V 32 7 9600 bps V 32 default 65 300 bps V 110 66 1200 bps V 110 68 2400 bps V 110 70 4800 bps V...

Страница 24: ...ROR result code default 1 Enable numeric error reporting 2 Enable verbose error reporting An example of an error report is CME ERROR y where y can be the number or text listed below 0 A3LA RM RF board...

Страница 25: ...PUK required 100 unknown Read Command CMEE Query mobile equipment error reporting level The response is in the form CMEE x Test Command CMEE List the supported error reporting level The response is in...

Страница 26: ...in direction max_dict can take on the following values 512 to 2048 Default is 512 max_string can take on the following values 6 to 250 Default is 6 Read Command DS Query the current data compression p...

Страница 27: ...ponse is in the form DR mode Test Command DR List the supported parameter settings The response is in the form DR supported mode s A 8 33 CEER Extended Error Report Exec Command CEER Execution command...

Страница 28: ...rmation element 97 nonexistent message type 98 incompatible message 99 nonexistent information element 111 protocol error 127 interworking 128 telephony interworking not supported 129 SM type 0 not su...

Страница 29: ...ormat of messages used with send list read and write commands and unsolicited result codes resulting from received messages Mode can be either PDU mode entire TP data units used or text mode headers a...

Страница 30: ...e not counted in the length pdu 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 RM Resp...

Страница 31: ...urned A 8 40 CMGW Write SMS Message To Memory Exec Command CMGW length stat CR pdu ctrl Z ESC PDU mode Execution command stores a message to memory storage mem2 mem2 is selected by the CPMS command In...

Страница 32: ...esult codes in the A3LA RM when A3LA RM DTE link is reserved e g in in call data mode and flush them to the DTE after reservation Otherwise forward them directly to the DTE Valid values for mt are 0 N...

Страница 33: ...manual oper field is optional format 0 long format alphanumeric oper 1 short format alphanumeric oper 2 numeric oper oper is of string type enclosed by quotes for example IRIDIUM format indicates if t...

Страница 34: ...in the following format CPBF index1 number type text CR LF CBPF index2 number type text Test Command CPBF Test command returns the maximum lengths of number and text fields for phonebook entries Respo...

Страница 35: ...ges A 8 47 CPBW Write Phonebook Entry Exec Command CPBW index number type text Execution command writes phonebook entry in location number index in the current phonebook memory storage selected with C...

Страница 36: ...PUK2 to be given because SIM PIN2 is blocked Note The response SIM PIN2 is somewhat misleading because it indicates one of three possible scenarios 1 PIN1 has already been successfully entered thus eq...

Страница 37: ...licited result code CREG stat when n 1 and there is a change in the A3LA RM network registration status or code CREG stat lac ci when n 2 and there is a change in the registration status of the A3LA R...

Страница 38: ...and CSCA Read command returns the current service center address Response is in the form CSCA sca tosca A 8 52 CSCB Select Cell Broadcast Message Types Read Command CSCB Read command returns the curre...

Страница 39: ...ead Command CSMS Read command returns the current message service type set Response is in the form CSMS service mt mo bm Test Command CSMS Test command returns the supported message services of the A3...

Страница 40: ...rnational access code to be omitted from dial string Direct dial from phonebook locations See subsection below for further details Start up a voice call This modifier should be given after the dialing...

Страница 41: ...TS0 n answer command 0 Place the A3LA RM on hook A 8 64 S0 n Auto Answer Auto answer This causes the A3LA RM to auto answer the incoming data or voice call 0 Disable auto answer n 0 Enable auto answer...

Страница 42: ...displayed on a handset s volume indicator Test Command CLVL List the supported volume level settings The response is in the form CLVL supported level s A 8 67 CMUT Mute Control Exec Command CMUT n Thi...

Страница 43: ...he supported voice control hangup settings The response is in the form CVHU supported mode s A 8 70 CCLK Real Time Clock Set Command CCLK time Sets the real time clock of the A3LA RM If setting fails...

Страница 44: ...s therefore neither played nor muted under control of the MSVLS command A 8 72 MSVTR DTMF Received in Voice Call Set Command MSVTR mode Disable or enable the receiving of DTMF messages from the networ...

Страница 45: ...ch The return value is formatted as an ASCII hexadecimal number The counter will rollover approximately every 12 years or be changed to prevent a rollover and as a result should not be used as a time...

Страница 46: ...internal memory Current Iridium system time which is a running count of 90 millisecond intervals is used for the time stamp Time stamp is a 32 bit integer displayed in hexadecimal form A 8 76 CCFC Ca...

Страница 47: ...of a range rather than a list CCFC 000 005 A 8 77 CLCC Request Current Call Status Exec Command CLCC Returns the current call status of the A3LA RM The response is a comma separated list of call stat...

Страница 48: ...P version N0 k1 represents the maximum number of sequentially numbered I frames that may be outstanding at any given time at downlink direction IWF A3LA RM and can take the following values 1 105 Defa...

Страница 49: ...e negotiation XID exchange at the start of the most recent data call Note that these may differ from the desired parameters set using WIRLP from power up they are set to hardcoded defaults and will on...

Страница 50: ...for 15000 ms dtl denotes the delay tolerance in the link delay difference and can take the following values 1 100 in 1 unit Default is 10 Read Command WDLDM Query the current parameter settings The re...

Страница 51: ...checksum o The checksum is the least 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 i...

Страница 52: ...ndicator or checksum The intent of this command is to provide a human friendly interface to SBD for demonstrations and application development It is expected that most usage of SBD will be with binary...

Страница 53: ...riginated buffer MOMSN The MOMSN identifies the sequence number that will be used during the next mobile originated SBD session MT Flag The MT flag indicates the existence of a message in the mobile t...

Страница 54: ...de 6 XXX Factory identity 7 XXXXXXXX Hardware specification A 8 94 CIER Indicator Event Reporting Set Command CIER mode sigind svcind The set command enables or disables sending of the CIEV unsolicite...

Страница 55: ...on without receiving continual notifications of changes in signal strength Read Command CIER Query the current indicator event reporting settings The response is of the form CIER mode sigind svcind Te...

Страница 56: ...the command waits for an updated signal strength reading to become available This will usually be within two seconds of issuing the command If the A3LA RM is in the process of acquiring the system or...

Страница 57: ...cked 1 Locked 2 Permanently locked A 8 98 CVMI Voicemail Indication Exec Command CVMI Query the status of the voicemail indication flag The response is of the form CVMI vmi where vmi is 0 No voicemail...

Страница 58: ...r type where number is the phone number of the calling party in quotes in the format specified by type type indicates the type of number 129 Dial string without the international access character 145...

Страница 59: ...in temporary mode defaulting to presentation restricted 4 CLIR provisioned in temporary mode defaulting to presentation allowed A 8 102 IPR Fixed DTE Rate Set Command IPR rate autoflag Set the data ra...

Страница 60: ...is limited only by the maximum mobile originated message length of 1960 bytes The mobile originated buffer will be empty upon power up If any data is currently in the mobile originated buffer it will...

Страница 61: ...ckwards compatibility with existing DTEs which do not use SBD Ring Alert functionality For SBD calls invoked with this command The SBD session type is fixed at type 0 MO call The SBD Delivery Short Co...

Страница 62: ...d MT queued is a count of mobile terminated SBD messages waiting at the GSS to be transferred to the A3LA RM A 8 106 SBDIX A Short Burst Data Initiate an SBD Session Extended Note The SBDIX command mu...

Страница 63: ...nsaction The field can take on the following values Gateway reported values 0 MO message if any transferred successfully 1 MO message if any transferred successfully but the MT message in the queue wa...

Страница 64: ...The MT length is the length in bytes of the mobile terminated SBD message received from the GSS If no message was received this field will be zero MT queued MT queued is a count of mobile terminated...

Страница 65: ...er of manual and automatic registrations to one every 3 minutes Successive attempts within 3 minutes will return an error code indicating that the DTE should try later see error 36 below Note A user c...

Страница 66: ...ndicate Location Update failure if used 15 Access is denied A3LA RM reported values 16 Modem has been locked and may not make SBD calls see CULK command 17 Gateway not responding local session timeout...

Страница 67: ...its location has changed see event below it is then the responsibility of the DTE to register via SBDREG or SBDIX SBDIX allows the DTE to register while including an MO message and or retrieving any M...

Страница 68: ...s the sequence number that will 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 A3L...

Страница 69: ...ry are supported Parameter n is used to disable enable the presentation of the unsolicited result code to the DTE when the Call Waiting service is enabled Command is abortable in the cases when the ne...

Страница 70: ...efer GSM 04 08 7 subclause 10 5 4 7 default 145 when dialing string is international number otherwise 129 If the network rejects a request to activate deactivate the Call Waiting service due to it not...

Страница 71: ...sable the PIN neither it nor the CPIN need to be issued again unless the PIN function is reactivated The following parameter values are currently supported fac CS CNTRL Surface Enable Disable Phone Lo...

Страница 72: ...dressed the user interface should just use AB mode 0 Disable Deactivate 1 Enable Activate passwd string type enclosed by for example 1234 Note Factory default SIM card PIN Code is 1111 Note Factory de...

Страница 73: ...ich present the available facilities and the maximum length of their password Response is in the form CPWD list of supported fac pwdlength s where pwdlength indicates the maximum length for the passwo...

Страница 74: ...acility Not Implemented 81 Invalid RP MR 95 Semantic Error 96 Mandatory IE Error 97 RP MT Not Implemented 98 Bad State 99 IE Not Implemented 111 Unspecified Error 127 Interworking Error 128 Success 12...

Страница 75: ...C GPS Display Position to 5th Decimal Place Exec Command PLOC No action compatibility only This command always returns the string PLOC For Compatibility Only A 8 120 AA Auto Answer Display Exec Comman...

Страница 76: ...assword is temp password and must be changed before encryption can be used old Old password and must be enclosed by two single quotes old password new New password and must be enclosed by two single q...

Страница 77: ...long For example 0102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F20 A 8 128 KZ Key Zeroization Encryption Exec Command KZ password Reset or zeroize the encryption and the decryption key...

Страница 78: ...e form MPTFP mode Test Command MPTFP List the supported modem power toggle data connection modes The response is in the form MPTFP supported mode s A 8 132 MPTFR Modem Power Toggle Forced Registration...

Страница 79: ...8 134 MSB Motion Sensor Begin Exec Command MSB m s This determines the number of minutes to look for motion for before the unit wakes up m Number of minutes to wait to determine movement The range is...

Страница 80: ...timer s A 8 137 PKTRT Packet Resend Timer Exec Command PKTRT timer Sets the timeout interval for when to resend a packet if an acknowledgement has not been received timer can have the following value...

Страница 81: ...A 8 141 RLE Use Run Length Encoding Exec Command RLE rle Set the modem to utilize run length encoding for data transfers rle can have the following values 0 Do not use run length encoding 1 Use run l...

Страница 82: ...t Command SMSD Returns a fixed message indicating the range of acceptable values A 8 144 SMSE SMS Erase Exec Command SMSE This command erases the SMS flash memory This command is a synonym for CMGEC A...

Страница 83: ...tion password has not been set password The Crypto Officer Password which must be enclosed by two single quotes n 0 is not to use encryption and 1 is to use encryption at power up Read Command UE Retu...

Страница 84: ...ue in the range 0 to 255 B 1 4 Referenced S Register Read Read the value of the current referenced S register The current referenced S register is that which was last acted upon by a direct reference...

Страница 85: ...reflect the speaker volume setting bits 2 and 3 reflect the speaker on off setting and bits 4 5 and 6 reflect the Xn setting Yes S23 0 255 61 Bitmap register bit 0 autobaud setting bits 1 3 DTE baud r...

Страница 86: ...d 2 Enable CARRIER XXXX 3 Enable PROTOCOL XXXX 5 Enable COMPRESSION XXXX Register Number Range Default Description Sr n Command Write Protected in SAC0201 S13 0 255 0 Bitmap register where bits 0 1 re...

Страница 87: ...eflect NPI settings for dial string S51 0 255 0 V 42bis maximum codewords P1 high byte Yes S52 0 255 128 V 42bis maximum codewords P1 low byte S54 0 255 20 V 42bis maximum string size P2 S58 0 255 0 V...

Страница 88: ...lue in 1000 ms unit S125 1 100 10 Dynamic link delay measurement 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 tra...

Страница 89: ...all connection established at 2400 bps 11 CONNECT 4800 Data call connection established at 4800 bps 12 CONNECT 9600 Data call connection established at 9600 bps 13 CONNECT 7200 Data call connection es...

Страница 90: ...as verbose DR V42B Data call connected with V 42bis compression enabled on both transmit and receive direction Numeric V0 Verbose V1 Description as verbose CR ASYNC Asynchronous transparent data conne...

Страница 91: ...umeric V0 Verbose V1 Description as verbose READY Ready to receive SBD binary message data from DTE as verbose AREG event reg error Auto registration event report as verbose CIEV sig value Indicator e...

Страница 92: ...RM default configuration to no flow control SBD automatic notifications enabled D 3 Power on to Sending an SBD Message The DTE will power up the A3LA RM wait for the A3LA RM to acquire the network an...

Страница 93: ...this can be stored in the default configuration OK CIEV 1 1 Wait for the A3LA RM to acquire the network AT SBDWB 70 READY Transfer message to A3LA RM binary transfer 0 AT SBDIX Perform SBD session SB...

Страница 94: ...was successfully received with MTMSN 237 and that two further MT messages are queued at the GSS AT SBDRB DTE retrieves the received message from the A3LA RM binary transfer To A3LA RM from DTE To DTE...

Страница 95: ...he results provides by itself To A3LA RM from DTE To DTE from A3LA RM Description RING Indicates arrival of call request ATA Manually answer the call CONNECT 9600 Call connected at DTE rate of 9600 AT...

Страница 96: ...ialing Voice command aborts call command aborts call n a Alerting after ATD dialing Data command aborts call command aborts call n a Ringing Voice CLCC 004 CPAS 003 CRING VOICE Ringing Data CLCC 004 C...

Страница 97: ...RM 4 Keep the power cable between the A3LA RM and the power source as short as possible 5 Use both power input pins on the multi interface connector Power consumption of the A3LA RM can be divided in...

Страница 98: ...35 Voltage DC 0 00 0 05 0 10 0 15 0 20 Current A 4 0V to 5 5V 5 0V to 32V Figure E1 Average Current Drawn During Standby 0 5 10 15 20 25 30 35 Voltage DC 0 25 0 50 0 75 1 00 1 25 Power W 4 0V to 5 5V...

Страница 99: ...Drawn 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 32V Figure E4 Average Power Consumption During Standby with DPL Handset 0 5 10...

Страница 100: ...rrent Drawn 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 5 10 15 20 25 30 35 Voltage DC 0 1 2 3 4 Power W 4 0V to 5 5V 5 0V to 32...

Страница 101: ...e DC 0 0 0 1 0 2 0 3 0 4 0 5 Current A 4 0V to 5 5V 5 0V to 32V Figure E7 Average Current Drawn During an SBD Transmission 0 5 10 15 20 25 30 35 Voltage DC 0 0 0 5 1 0 1 5 2 0 Power W 4 0V to 5 5V 5 0...

Страница 102: ...DC 0 0 0 1 0 2 0 3 0 4 0 5 Current A 4 0V to 5 5V 5 0V to 32V Figure E9 Average Current Drawn During an SMS Transmission 0 5 10 15 20 25 30 35 Voltage DC 0 0 0 6 1 2 1 8 2 4 3 0 Power W 4 0V to 5 5V 5...

Страница 103: ...0 0 3 0 6 0 9 1 2 1 5 Current A 4 0V to 5 5V 5 0V to 32V Figure E11 Average Current Drawn During a Voice Call Using DPL Handset 0 5 10 15 20 25 30 35 Voltage DC 2 3 4 5 6 Power W 4 0V to 5 5V 5 0V to...

Страница 104: ...ite projects 48 beams on the surface of earth which may be viewed as providing coverage cells on the ground similar to terrestrial systems Each beam is approximately 600 km in diameter The 66 satellit...

Страница 105: ...and operates an Iridium gateway located in Hawaii United States Each gateway generates and controls all user information pertaining to its registered users such as user identity geo location and billi...

Страница 106: ...e LAN or an Internet service provider as shown in Figure F2 The handshaking and protocols are established between the modems independent of the landline The Iridium dial up data service functions in m...

Страница 107: ...ure B3 illustrates how Iridium Internet NIPRNet call is routed Direct Internet service can be enhanced using Windows based emulated point to point protocol PPP called the Apollo Emulator With the use...

Страница 108: ...140 octet byte maximum message size SMS service is a store and forward method of transmitting messages to and from an Iridium modem The short message from the modem is stored in a central Short Messa...

Страница 109: ...ay The Iridium network can locate an ISU to within 10 km only about 78 of the time The so called error ellipse can have a large eccentricity with the major axis oriented in the azimuth dimension and t...

Страница 110: ...iance could void the user s authority to operate the equipment CE Compliance The 9523 when marked with the CE symbol complies with the European Community Council Directive for R TTE 99 5 EC provided t...

Страница 111: ...NAL Research Corporation 451 93156 002A 111...

Страница 112: ...laws and regulations Failure 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 an...

Страница 113: ...NAL Research Corporation TN2012 12 V1 0 113...

Страница 114: ...NAL Research Corporation TN2012 12 V1 0 114...

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