background image

 

 
 
 
 
 
 
 
 
 
 

GENERAL DESCRIPTION OF MODEL A3LA-XM 

 

 

Version 1.0 

 
 

May 22, 2009 

 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Copyright © 2009 by NAL Research Corporation 

 

The specifications in this document are subject to change at NAL Research‘s discretion. NAL Research assumes no responsibility for any claims or damages arising out of the use of this document or 
from the use of the A3LA-XM based on this document, including but not limited to claims or damages based on infringement of patents, copyrights or other intellectual property rights. NAL Research 

makes no warranties, either expressed or implied with respect to the information and specifications contained in this document. Performance characteristics listed in this document are estimates only 
and do not constitute a warranty or guarantee of product performance. 

TN2009-25-V1.0

 

Summary of Contents for A3LA-XM

Page 1: ...document or from the use of the A3LA XM based on this document including but not limited to claims or damages based on infringement of patents copyrights or other intellectual property rights NAL Res...

Page 2: ...Data Interface 3 Wire Configuration 7 3 3 USB Data Interface 7 3 4 DC Power Interface 8 3 5 Audio Interface 9 3 6 Digital Peripheral Link DPL 9 4 0 IRIDIUM ANTENNA CONNECTOR 10 5 0 GPS FEED THROUGH OP...

Page 3: ...ones Trackers LBT L Band Transceiver LED Light Emitting Diode LNA Low Noise Amplifier NIPRNET Non Secure Internet Protocol Router Network NOC Network Operation Center OFAC Office of Foreign Asset Cont...

Page 4: ...3LA XM has been certified to MIL STD 810F standards for temperature humidity altitude rain shock sand dust and salt fog Services supported include 1 Dial Up Data 2 Direct Internet Connection or NIPRNE...

Page 5: ...n 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 Humidity Range 75 RH Stora...

Page 6: ...ntrol 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 0VDC 32 0VDC input DC Power 5 SPKR_AUD Speaker audio output Analo...

Page 7: ...he DTR input from the DTE 4 AT Kn must be set to AT K0 for no flow control or AT K4 for XON XOFF software flow control 5 The setting can be stored on the modem permanently until another setting overwr...

Page 8: ...voided if the A3LA XM is disassembled for any reason other than to set these switches IMPORTANT The A3LA XM USB port does not work reliably under Windows Vista 64 3 4 DC Power Interface The DC power...

Page 9: ...is also a single ended unbalanced output capable of driving an impedance of 600 or more to ground The A3LA XM delivers undistorted audio up to 2 0V peak to peak at this port The combined analog I O au...

Page 10: ...e specifications in the following table It should be noted that the A3LA XM power transmission profiles may vary for a number of reasons Users are reminded to optimize their setup to attain the lowest...

Page 11: ...GPS pass through connector must be terminated with a 50 load when not in use A suitable load is the Huber Suhner 65_SMA 50 0 1 111_NE Either a passive or an active GPS receiver can be connected to th...

Page 12: ...her encrypted or unencrypted data in all modes dial up direct Internet RUDICS SBD and SMS The A3LA XM does not support encrypted voice calls All voice calls are made in the clear unless an external en...

Page 13: ...uring data calls A3LA MPT versions earlier than 1 1 0 had the timer set to every 2 minutes When the timer expires the micro controller will check to make sure the 9522B is still responding by sending...

Page 14: ...e a true drop in replacement for the A3LA D Figure 4 of 4 in Appendix E shows the dimension of the optional plate 11 0 TECHNICAL SUPPORT FOR TECHNICAL SUPPORT PLEASE CONTACT US AT Phone 703 392 1136 F...

Page 15: ...e 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 satellite...

Page 16: ...nd 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 billin...

Page 17: ...e LAN or an Internet service provider as shown in Figure A2 The handshaking and protocols are established between the modems independent of the landline The Iridium dial up data service functions in m...

Page 18: ...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...

Page 19: ...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 Messag...

Page 20: ...y 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 th...

Page 21: ...use of a non standard antenna not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment CE Compliance The 9522B when marked with the CE sy...

Page 22: ...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...

Page 23: ...NAL Research Corporation TN2009 25 V1 0 23 APPENDIX D MIL STD 810F CERTIFICATE OF COMPLIANCE...

Page 24: ...NAL Research Corporation TN2009 25 V1 0 24 IRIDIUM NAL Research Corporation Model A3LA XM POWER SERIAL DPL SIM APPENDIX E MECHANICAL DRAWINGS...

Page 25: ...NAL Research Corporation TN2009 25 V1 0 25 NAL Research Corporation Model A3LA XM POWER SERIAL DPL SIM IRIDIUM...

Page 26: ...NAL Research Corporation TN2009 25 V1 0 26...

Page 27: ...NAL Research Corporation TN2009 25 V1 0 27...

Reviews: