AeroComm AC4790 Manuel utilisateur

AC4790

900 MHz OEM TRANSCEIVERS

Specifications Subject to Change

User’s Manual

Version 1.3

11160 THOMPSON AVENUE

LENEXA, KS 66219

(800) 492-2320

www.aerocomm.com

[email protected]

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DOCUMENT INFORMATION

Information

The information contained in this manual and the accompanying software programs are

copyrighted and all rights are reserved by AEROCOMM, Inc. AEROCOMM, Inc. reserves the right

to make periodic modifications of this product without obligation to notify any person or entity

of such revision. Copying, duplicating, selling, or otherwise distributing any part of this

product or accompanying documentation/software without the prior consent of an authorized

representative of AEROCOMM, Inc. is strictly prohibited.

All brands and product names in this publication are registered

trademarks or trademarks of their respective holders.

This material is preliminary

Information furnished by AEROCOMM in this specification is believed to be accurate. Devices sold by AEROCOMM are

covered by the warranty and patent indemnification provisions appearing in its Terms of Sale only. AEROCOMM makes no

warranty, express, statutory, and implied or by description, regarding the information set forth herein. AEROCOMM reserves

the right to change specifications at any time and without notice.

AEROCOMM’s products are intended for use in normal commercial and industrial applications. Applications requiring

unusual environmental requirements such as military, medical life-support or life-sustaining equipment are specifically not

recommended without additional testing for such application.

Limited Warranty, Disclaimer, Limitation of Liability

For a period of one (1) year from the date of purchase by the OEM customer, AeroComm warrants the OEM

transceiver against defects in materials and workmanship. AeroComm will not honor this warranty (and this warranty

will be automatically void) if there has been any (1) tampering, signs of tampering; 2) repair or attempt to repair by

anyone other than an AeroComm authorized technician.

This warranty does not cover and AeroComm will not be liable for, any damage or failure caused by misuse, abuse,

acts of God, accidents, electrical irregularity, or other causes beyond AeroComm’s control, or claim by other than the

original purchaser.

In no event shall AeroComm be responsible or liable for any damages arising: From the use of product; From the

loss of use, revenue or profit of the product; or As a result of any event, circumstance, action, or abuse beyond the

control of AeroComm, whether such damages be direct, indirect, consequential, special or otherwise and whether

such damages are incurred by the person to whom this warranty extends or third party.

If, after inspection, AeroComm determines that there is a defect, AeroComm will repair or replace the OEM

transceiver at their discretion. If the product is replaced, it may be a new or refurbished product.

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DOCUMENT INFORMATION

Revision Description

Version 1.0 2/21/2005 – Initial Release Version

Version 1.1 3/4/2005 – Updated Session Count Truth Table in Section 4.

Version 1.2 4/26/2005 – Updated Transmit Mode Section.

Version 1.3 3/27/2006 – Corrected API Send Data Complete. Added Australian Channels. Added 1x1

documentation. Added Original Max Power byte (0x8E) and Full Product ID (0x90). Changed Sense

Adjust default to varies. Added Appendix 1 – Power Supply Application Note.

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TABLE OF CONTENTS

OVERVIEW.......................................................................................................................................................6

SPECIFICATIONS ............................................................................................................................................7

PIN DEFINITIONS ......................................................................................................................................................8

ELECTRICAL SPECIFICATIONS.....................................................................................................................................9

THEORY OF OPERATION..............................................................................................................................10

MASTERLESS ARCHITECTURE...................................................................................................................................10

Modes of Operation..............................................................................................................................10

API Control 12

SERIAL INTERFACE ......................................................................................................................................14

OEM Host Data Rate ............................................................................................................................14

Serial Interface Baud Rate....................................................................................................................14

Flow Control .........................................................................................................................................15

HALF DUPLEX /FULL DUPLEX .................................................................................................................................15

INTERFACE TIMEOUT/RF PACKET SIZE.....................................................................................................................16

SYSTEM TIMING AND LATENCY ................................................................................................................................16

MAXIMUM OVERALL SYSTEM THROUGHPUT ..............................................................................................................16

RANDOM BACK OFF ..............................................................................................................................................17

SYSTEM ID/RF CHANNEL NUMBER .........................................................................................................................17

MAX POWER.........................................................................................................................................................18

HARDWARE INTERFACE...............................................................................................................................20

GIn (Generic Inputs 0 and 1) (pins 4 and 14 respectively) and GOn (Generic Outputs 0 and 1) (pins

1 and 9 respectively) ............................................................................................................................20

TXD (Transmit Data) and RXD (Receive Data) (pins 2 and 3 respectively).........................................20

CTS Handshaking (pin 7) .....................................................................................................................20

RTS Handshaking (pin 8) .....................................................................................................................20

Test (pin 12).........................................................................................................................................20

RSSI (pin 13).........................................................................................................................................21

UP_Reset (pin 15).................................................................................................................................21

Command/Data (pin 17).......................................................................................................................21

AD In (pin 18)........................................................................................................................................21

Session Status (pin 20) ........................................................................................................................21

CONFIGURING THE AC4790.........................................................................................................................22

AC4790 AT COMMANDS .......................................................................................................................................22

Enter AT Command Mode....................................................................................................................23

Exit AT Command Mode ......................................................................................................................23

ON-THE-FLY CONTROL COMMANDS (CC COMMAND MODE)......................................................................................23

COMMAND QUICK REFERENCE ..................................................................................................................24

Firmware Revision Request..................................................................................................................25

Change Channel...................................................................................................................................25

Broadcast Packets................................................................................................................................25

Write Destination Address ....................................................................................................................25

Read Destination Address....................................................................................................................25

Auto Destination ...................................................................................................................................25

Read API Control ..................................................................................................................................25

Write API Control ..................................................................................................................................26

Set Max Power......................................................................................................................................26

Read Temperature................................................................................................................................26

Read Digital Inputs ...............................................................................................................................26

Read Radio Table .................................................................................................................................26

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Read ADC ..........................................................................................................................................27

Write Digital Outputs.............................................................................................................................27

Probe ..........................................................................................................................................27

EEPROM Byte Read .............................................................................................................................27

EEPROM Byte Write .............................................................................................................................28

Reset Command...................................................................................................................................28

EEPROM PARAMETERS................................................................................................................................29

DIMENSIONS.................................................................................................................................................32

ORDERING INFORMATION ...........................................................................................................................37

PRODUCT PART NUMBER TREE ...............................................................................................................................37

DEVELOPER KIT PART NUMBERS.............................................................................................................................37

AGENCY COMPLIANCY INFORMATION .......................................................................................................38

AC4790-1X1 .......................................................................................................................................................38

AGENCY IDENTIFICATION NUMBERS .........................................................................................................................38

APPROVED ANTENNA LIST ......................................................................................................................................38

FCC /INDUSTRY CANADA (IC) REQUIREMENTS FOR MODULAR APPROVAL...................................................................39

OEM Equipment Labeling Requirements.............................................................................................39

Antenna Requirements.........................................................................................................................39

Warnings Required in OEM Manuals ...................................................................................................39

Warnings Required in OEM Manuals ...................................................................................................40

Channel Warning..................................................................................................................................40

APPENDIX I - POWER SUPPLY APPLICATION NOTE ...................................................................................41

APPENDIX II – CONVERTING FROM 5V LEVELS TO 3.3V LEVELS...............................................................43

APPENDIX III - API .........................................................................................................................................44

APPENDIX IV – API TIMING DIAGRAMS ........................................................................................................47

LIST OF FIGURES

Table 1 - Pin Definitions ......................................................................................................................................8

Table 2 - Input Voltage Characteristics (AC4790-1000 & AC4790-1x1) .............................................................9

Table 3 - Output Voltage Characteristics (All).....................................................................................................9

Table 4 - Session Count Truth Table ................................................................................................................11

Table 5 - Supported Serial Formats..................................................................................................................14

Table 6 - Baud Rate/Interface Timeout ............................................................................................................14

Table 7 - Maximum Overall System Throughput ..............................................................................................16

Table 8 - RF Channel Number Settings ............................................................................................................17

Table 9 - EEPROM Parameters.........................................................................................................................29

Table 10 - Agency Identification Numbers........................................................................................................38

Table 11 - AC4790 Approved Antenna List.......................................................................................................38

LIST OF TABLES