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NAL Research Corporation (TN2009-25-V1.0) 

2.2 RF Specifications 

 

Operating Frequency:  1616 to 1626.5 MHz 
Duplexing Method:  

TDD 

Multiplexing Method:   TDMA/FDMA 
Link Margin:  

13.1 dB average 

Average Power during a Transmit Slot (Max): 

7W 

Average Power during a Frame (Typical): 

0.6W 

Receiver Sensitivity at 50  (Typical):                –118.5 dBm 

Receiver Spurious Rejection at offsets > 1MHz:  60dB 

2.3 Electrical Specifications 

Main Input Voltage Range: 

+4.0VDC to +32.0VDC 

Main Input Voltage Nominal:  +12.0VDC 

Main Input Voltage Ripple: 

40mV peak-to-peak 

Average Standby Current: 

300mA @ 5.0VDC 

Average Data Call Current: 

800mA @ 5.0VDC 

Peak Data Call Current: 

2.5A @ 5.0VDC 

 

NOTE: 

The  power  requirements  apply  to  DC  power  measured  at  the  A3LA-XM  multi-interface 

connector input. The Average Data Call Current may vary depending on the field-of-view between 
the modem antenna and the Iridium satellite.  

 

2.4 Environmental Specifications 

Operating Temperature Range:   –30

o

C to +70

o

C (–22

o

F to +158

o

F)  

Operating Humidity Range: 

< 75% RH 

Storage Temperature Range: 

–40

o

C to +85

o

C (–40

o

F to +185

o

F) 

Storage Humidity Range: 

< 93% RH 

2.5 Data I/O Specifications 

 

Dial-Up Data/RUDICS/Internet:  2.4 Kbits/sec (average) 

 

Short-Burst Data: 

 

1960 bytes for Mobile-Originated, 1890 bytes for Mobil-Terminated 

 

Short Messaging: 

 

160 Characters (maximum) 

 

Hardware Interface: 

 

RS232 or USB 

Software Interface: 

 

Standard AT Commands 

Encryption: 

 

AES 256-Bit when Enabled

 

2.6 Related Hardware 

 

Antennas: 

SYN7391  Series,  SAF2040  Series,  SAF5340  Series,  SAF5350  Series  (These 
antennas  are  to  be  used  with  the  A3LA-XM  transceiver  only.  They  are  NOT 
optimized and should not be used for pass through GPS receiver) 

Data Kit/Connector:  HRC-24-7X, HRC-24-7XU, HRC-24-8X, HRC-24-8XU 
Power Adapters: 

LA-3098, LA-7021 

DPL Audio Handset: 

DPLS0401-X, DPLS0401-412 

RF Splitter: 

SYN-SLC-ALBT 

Содержание A3LA-XM

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

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

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

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

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