Reader Interface Guide for Alien RFID Readers
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® ALIEN TECHNOLOGY READER INTERFACE GUIDE All Fixed Readers November 2019 ALR-F800 ALR-9900+ ALR-9680 ALR-9650 Legal Notices Copyright ©2019 Alien Technology, LLC. All rights reserved. Alien Technology, LLC has intellectual property rights relating to technology embodied in the products described in this document, including without limitation certain patents or patent pending applications in the U.S. or other countries. This document and the products to which it pertains are distributed under licenses restricting their use, copying, distribution and decompilation. No part of this product documentation may be reproduced in any form or by any means without the prior written consent of Alien Technology, LLC and its licensors, if any. Third party software is copyrighted and licensed from Licensors. Alien, Alien Technology, the Alien logo, Squiggle and other graphics, logos, and service names used in this document are trademarks of Alien Technology, LLC in the U.S. and other countries. All other trademarks are the property of their respective owners. U.S. Government approval required when exporting the product described in this documentation. Federal Acquisitions: Commercial Software -- Government Users Subject to Standard License Terms and Conditions. U.S. Government: If this Software is being acquired by or on behalf of the U.S. Government or by a U.S. Government prime contractor or subcontractor (at any tier), then the Government's rights in the Software and accompanying documentation shall be only as set forth in this license; this is in accordance with 48 C.F.R. 227.7201 through 227.7202-4 (for Department of Defense (DoD) acquisitions) and with 48 C.F.R. 2.101 and 12.212 (for non-DoD acquisitions). This Product includes certain open source software ("Program") licensed pursuant to the GNU General Public License, Version 2, 1991 (the "License"). 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TABLE OF CONTENTS Alien Technology® Reader Interface Guide ALR-F800, 9900+, ALR-9680, ALR-9650 Table of Contents CHAPTER 1 INTRODUCTION AND READER SETUP ..................................... 1 Audience ................................................................................................................................... 1 Type Conventions ..................................................................................................................... 2 Requirements ............................................................................................................................ 2 Communicating with the Reader .............................................................................................. 3 Serial Communication .............................................................................................................. 3 Serial Configuration...................................................................................................................................... 3 Network Communication .......................................................................................................... 5 Determine the Reader's Network Settings................................................................................................... 5 Connecting via TCP/IP ................................................................................................................................. 6 TCP/IP Configuration ................................................................................................................................... 6 CHAPTER 2 READER FUNDAMENTALS ........................................................ 8 Introduction ............................................................................................................................... 8 Reader Discovery and the Reader Heartbeat .......................................................................... 8 DHCP and Automatic Discovery .................................................................................................................. 8 Serial Interrogation ....................................................................................................................................... 8 Network Heartbeats ..................................................................................................................................... 9 TagList Concepts .................................................................................................................... 10 PersistTime ................................................................................................................................................ 11 Tag Details ................................................................................................................................................. 11 TagList Size ............................................................................................................................................... 11 Reading Tags over the Network ............................................................................................. 11 Interactive Mode ...................................................................................................................... 11 Autonomous Mode ................................................................................................................. 12 Defining the Autonomous Read Operation ................................................................................................ 12 AutoMode Examples .................................................................................................................................. 15 Notification Mode .................................................................................................................... 16 NotifyTime .................................................................................................................................................. 16 NotifyTrigger ............................................................................................................................................... 16 NotifyAddress ............................................................................................................................................. 16 NotifyFormat ............................................................................................................................................... 17 Listening for Tags over the Network ..................................................................................... 19 CHAPTER 3 TAG FUNDAMENTALS .............................................................. 20 Introduction ............................................................................................................................. 20 Alien RFID Tags ...................................................................................................................... 20 Alien Tags .................................................................................................................................................. 20 Acquisition Modes .................................................................................................................. 20 Inventory..................................................................................................................................................... 20 Global Scroll ............................................................................................................................................... 21 Masks and Tag Memory Structure ......................................................................................... 22 Class 1/Gen 2 Tag Memory ....................................................................................................................... 22 Addressing a Subset of Tags ..................................................................................................................... 23 CHAPTER 4 ALIEN READER PROTOCOL .................................................... 24 Reader Operation Overview ................................................................................................... 24 Overview of Commands ......................................................................................................... 25 Command Format .....................................................................................................................................