NAL A3LA-I Mode d'emploi

HOW TO USE MODEL A3LA-I

TECHNICAL NOTE

December 6, 2004

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-I 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.

N2004-39-V3.2

NAL Research Corporation (TN2004-39-V3.2) 2

1. Remove the SIM cover located on top of the A3LA-I Iridium modem by unscrewing two hex bolts.

2. Under the SIM cover is an integrated SIM Chip Reader. The modem uses and requires an Iridium

SIM chip for operation. It can be purchased from any of the authorized Iridium Service Providers

listed on the Iridium webpage (www.iridium.com). The SIM chip should be detached from the full-

size SIM card as shown in picture below.

3. Slide the SIM Chip Reader’s plastic bracket in the direction indicated by the arrow and lift up the

bracket. Place the SIM chip (facing down) into the SIM bracket as shown in picture below. There is a

small cut-off on one of the corners of the SIM chip. Make sure that the cut-off is pointing upward

which should align the SIM chip with the SIM Chip Reader. Lower the bracket and lock the SIM

bracket by sliding in the reverse direction.

Integrated SIM

Chip Reader

SIM Cove

SIM chip

Full-size SIM card

SIM chip with cut-off

pointing upward

NAL Research Corporation (TN2004-39-V3.2) 3

4. Connect a DTE (data terminal equipment such as a computer, a data logger, a microcontroller, etc.)

to the modem DB25 port using the HRC-24-7 cable provided. The HRC-24-7 cable consists of a full

DB-9 serial connector and two terminal leads for power input. Three-wire (TX, RX and GND) serial

cable can also be used (see document TN2002-38-V2.2) if flow control is not required. The A3LA-I

will automatically adjust to the DTE baud rate.

5. Connect an external antenna to the Iridium modem. Any of the four types of antennas offered by

NAL Research is appropriate. Make sure the antenna has full view of the sky and the cable loss

between the modem and antenna is less than 3 dB.

6. Supply DC power of ~4.4V (can range from 4.0VDC to 5.0VDC) to the two power input wires of the

HRC-24-7 cable. Highest current drawn will be at power-up and approximately [email protected] for

less than 500 milliseconds. The modem will automatically be ON/OFF when DC power is

applied/removed. If power to the modem is cycled, make sure the elapsed time between each

power cycle is approximately 10 seconds. NAL Research’s AC adapter model LA-2098 (purchase

separately) can be used to power the A3LA-I (see picture below).

4.4VDC

RS232

NALResearch

Antenna

HRC-24-7 Cable

AC Power Adaptor

Model LA-2098

Iridium Antenna

Connector

NAL Research Corporation (TN2004-39-V3.2) 4

7. Wait for about 15 seconds for the modem to register with the Iridium satellite network.

8. The A3LA-I is basically a “black box” with no indicators of any kind (power on light, satellite

registration status, satellite signal strength, etc.). This can pose great difficulties to first-time users

who are not familiar satellite modems. For application developers, NAL Research recommends the

use of an audio breakout box model SYN-AD-LBT and a handset model SCN4052A in combination

with the A3LA-I. This setup can be a useful diagnostic tool allowing the modem status to be

displayed on LCD of the handset.

9. Use any terminal emulator software (such as Windows® HyperTerm) and AT commands to

communicate with the modem. However, the A3LA-I is shipped with a CD labeled

“Manuals/Software for Model A3LA-I.” There is a terminal emulator software package on the CD

called SatTerm. NAL Research recommends the use of SatTerm with the A3LA-I since it provides a

complete reference manual for all AT commands through user selected buttons for quick and easy

access.

10. Check the followings if a connection cannot be made:

•Antenna has a full view of the sky

•The PIN number has been removed from the SIM chip

•Power source provides enough current

11. Check the followings if using the breakout box and handset:

•Red LED light on the breakout box and LCD screen on the handset are ON. If not, check for

appropriate power input.

•The <Enter PIN> message is not displayed on the LCD. If the <Enter PIN> message

appears on the LCD, enter the appropriate PIN number (the default PIN is 1111). The

handset can be used to remove the PIN permanently.

•Displayed satellite signal strength on the LCD must be at least 3 bars. Re-arrange/re-

located the Iridium antenna if the signal strength remains at 3 bars or below.

SYN-AD-LB

SCN4052A

NAL Research Corporation (TN2004-39-V3.2) 5

12. If the breakout box and handset are not available, use the following steps to check if the SIM or the

Phone Control is locked:

a. If using the SatTerm software, open the AT Command Table for the AT+CPIN command and

click the Read button. If NOT using the SatTerm software, enter the command “AT+CPIN?”

b. If the response from the A3LA-I is “SIM PIN”, then the SIM is currently locked (or

activated). To remove the SIM, do the followings:

If using the SatTerm software:

i. Enter the SIM PIN code (each SIM is shipped with the default code of 1111) in the

“p” box, and then click the Send button. If the PIN code is correct, the response

from the A3LA-I should be “OK”.

ii. Open the AT Command Table for the AT+CLCK command, and then choose “SC”

from the “f” box, choose “0” from the “m” box and enter the PIN code (again the

default code is 1111) in the “p” box. Then, click the Send button. If the PIN code is

correct, the response should be “OK”.

iii. Now, the SIM is removed and ready to be used.

If NOT using the SatTerm software:

i. Enter the following command AT+CPIN=“PIN code” (where the default PIN code is

1111). If the PIN code is correct, the response should be “OK”.

ii. Enter the following command: AT+CLCK=“SC”,0,“PIN code”. If the PIN code is

correct, the response should be “OK”.

iii. Now, the SIM is removed and ready to be used.

c. If the response is “PH PIN”, then the surface control for the A3LA-I is currently locked and

the phone PIN code needs to be entered in order to use the commands that operate the

A3LA-I. To unlock the A3LA-I surface control, do the same procedure in part b above

except “CS” should be chosen instead of “SC” in step ii.

d. If the response is “READY” or “SIM PIN2”, then the SIM is not locked and the A3LA-I is

ready to be used. No PIN code needs to be entered.

e. If the response is “SIM PUK” or “SIM PUK2”, contact your service provider.

TECHNICAL SUPPORT INFORMATION

For technical support, please contact us at:

Phone: 703-392-1136 x200 or

E-mail: contact@nalresearch.com

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