NAL RESEARCH CORPORATION A3LA-RM Quick Start Manual
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Summary of Contents for NAL RESEARCH CORPORATION A3LA-RM
- Page 1 451-93156-014A A3LA-RM Quick Start Guide Version A April 28, 2022 Copyright © 2021 by NAL Research Corporation 11100 Endeavor Ct., Suite 300 Manassas, Virginia 20109 USA Phone: 703-392-1136 Email: contact@nalresearch.com...
- Page 2 ISCLAIMER AND ONDITION OF This document contains information for the A3LA-RM modem and accompanying accessories (“Product”), which are provided “as is.” Reasonable effort has been made to make the information in this document reliable and consistent with specifications, test measurements and other information.
- Page 3 AL3A-RM Quick Start Guide Version A EVISION ISTORY Revision Date Description 04/08/2013 Initial version 08/02/2021 Updated to new template 04/28/2022 Formal release Document Number: 451-93156-014A 3 of 18...
- Page 4 AL3A-RM Quick Start Guide Version A EFERENCE OCUMENTS The latest revisions of the NAL documents are available from the NAL Research website at https://www.nalresearch.com/support/documentation-downloads/. Reference Title Revision/Date Version B, AL3A-RM User Guide 04/04/2022 Version A, SatTerm Software Manual 06/01/2020 Document Number: 451-93156-014A 4 of 18...
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Page 5: Table Of Contents
ABLE OF IGURES Figure 1: Iridium Satellite Modem A3LA-RM .................. 7 Figure 2: A3LA-RM Connected to a DPL Handset via the HRC-24-8R ........... 11 Figure 3: SYN7391-C Antenna ....................... 11 Figure 4: Location of the SIM Reader ................... 12 Figure 5: Iridium Satellite Modem A3LA-RM ................12 Figure 6: SIM Chip Reader ...................... - Page 6 AL3A-RM Quick Start Guide Version A CRONYM AT .......Two-letter sequence starting a string of terminal commands. The AT is intended to get the terminal’s attention prior to executing a command. dB .......Decibel DC .......Direct Current DPL ......Digital Peripheral Link DTE ......Data Terminal Equipment FCC ......Federal Communications Commission GND ......Ground LCD ......Liquid Crystal Display...
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Page 7: Introduction
AL3A-RM Quick Start Guide Version A NTRODUCTION The A3LA-RM is a satellite modem comprising a 9523 L-band transceiver (LBT) with an extended input voltage range. The A3LA-RM has an internal microcontroller programmed to monitor the modem’s connectivity status to prevent hardware lockup. It is designed to transmit either AES 256-bit encrypted or unencrypted data via the Iridium satellite network. - Page 8 DC power source SatTerm software or any terminal emulator software Important: Do not disassemble the A3LA-RM for repair or services. The warranty is voided if the A3LA-RM is disassembled. Return it to NAL Research for any services. The A3LA-RM is shipped with the following items in the package: ...
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Page 9: Device Description
AL3A-RM Quick Start Guide Version A EVICE ESCRIPTION ULTI INTERFACE ONNECTOR The multi-interface connector (see Figure 1) is a male 25-pin miniature D-sub type that includes five interfaces—RS232, DC input power, ON/OFF control line, analog audio, and DPL. The multi- interface connector pin assignments are summarized in Table 1, which is ‘pin-to-pin’... -
Page 10: Rs232 Data Interface (Standard 9-Wire Configuration)
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 connected DTE to utilize the A3LA-RM’s modem functionality through a set of AT commands (see SatTerm Software Manual Version A). -
Page 11: Antenna Connector
The A3LA-RM modem uses a single Threaded Neill–Concelman (TNC) female 50-ohm connector for both transmit and receive. NAL Research offers several types of antennas for use with the A3LA-RM modem. For low cost and applications where small form factor and light weight are required, NAL Research recommends model SYN7391-C (see Figure 3 . -
Page 12: Led Display
LED D ISPLAY The A3LA-RM has three status LEDs depicted as P for power indicator, I for Iridium satellite signal strength, and S for status (see Figure 5). They provide a quick visual check to ensure proper modem operations and a way to optimize antenna locations during field installation. -
Page 13: Configuring The A3La-Rm
AL3A-RM Quick Start Guide Version A A3LA-RM ONFIGURING THE 1. Remove the SIM cover located at the top of the A3LA-RM Iridium modem. Under the SIM cover is an integrated SIM chip reader. SIM chip reader Figure 6: SIM Chip Reader The A3LA-RM uses and requires an Iridium SIM chip for operation. -
Page 14: Figure 8: Iridium Antenna Connector
9. Supply DC power (can be at any voltage between 4.0 V–5.4 V or 5.0 V–32 V) to the power input of the HRC-24-7R or of the HRC-24-8R data kit. The A3LA-RM is configured to accept 5.0 V–32.0 V as factory-setting default. To operate at voltages below 5 V, the device must be reconfigured with an internal jumper (see document: 451-93156-002B A3LA-RM User Guide Rev A), section 2.3 [1]). -
Page 15: Figure 9: A3La-Rm With Data Kit And Handset
For application developers, NAL Research recommends using a DPL handset DPLS0401-X and a data kit HRC-24-8R in combination with the A3LA-RM. This setup can be a useful diagnostic tool, allowing the modem status to be displayed on the LCD of the handset as well as using the handset to place a voice call. - Page 16 Read button. If NOT using the SatTerm software, enter the command AT+CPIN?. b. If the response from the A3LA-RM is SIM PIN, then the SIM is currently locked (or activated). To remove the SIM, do the following: i.
- Page 17 14.b above except select CS instead of SC in step 14.b.i.2. d. If the response is READY or SIM PIN2, then the SIM is not locked and the A3LA-RM is ready for use. No PIN code needs to be entered.
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Page 18: Technical Support
AL3A-RM Quick Start Guide Version A ECHNICAL UPPORT For technical support, please contact us at: Phone: 703-392-1136, x203 Fax: 703-392-6795 Email: support@nalresearch.com Technical documents are also available to download on NAL Research’s website www.nalresearch.com in the Support > Documentation & Downloads section. Document Number: 451-93156-014A 18 of 18...
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