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Honeywell PIT User Manual

Intercom keyboard remote extender.
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PIT
Intercom Keyboard Remote Extender

User Manual

900.0405 - June 2005 - Rev. 1

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   Summary of Contents for Honeywell PIT

  • Page 1: User Manual

    Intercom Keyboard Remote Extender User Manual 900.0405 - June 2005 - Rev. 1...
  • Page 2 ISSUE DATE REVISIONS June 2005 Initial Release Rev. 1 900.0405 23-June-05...
  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1.1 INTRODUCTION..........................1 2.1 CONNECTIONS ..........................3 2.1.1 Intercom CPU PIT ......................3 2.1.2 Keyboard PIT ........................4 3.1 DIP SWITCH SETTINGS........................5 3.2 BAUD RATE DIP SWITCH ........................5 3.3 KEYBOARD INTERCOM ADDRESS SETTING..................6 Rev. 1 900.0405...
  • Page 4 Notes: Rev. 1 900.0405 23-June-05...
  • Page 5: Introduction

    The PIT which connects to the remote keyboard polls the Intercom keyboard via it’s RS422 Slave port. This PIT will be referred to as the keyboard PIT. When it detects any key press, these are converted into ASCII characters in the range ‘0’..‘7’ which are transmitted out of the RS232 master port.
  • Page 6 Notes: Rev. 1 900.0405 23-June-05...
  • Page 7: Connections

    2.1 CONNECTIONS 2.1.1 Intercom CPU PIT The RS422 slave port of this PIT connects pin to pin to the Intercom CPU BossWare master port. Due to the master / slave connection, pin to pin connections are required. Pin Number Pin Function...
  • Page 8: Keyboard Pit

    2.1.2 Keyboard PIT The RS422 slave port of this PIT connects to the Intercom keyboard. This slave port pin- out is as described in 2.1. It is necessary to connect the TXD lines to the keyboard RXD and vice versa.
  • Page 9: Dip Switch Settings

    3.1 DIP SWITCH SETTINGS To access the configuration switches, the two screws on the top cover of the PIT must be removed. The legend on the cover shows the switches as S1, S2 and S3. Each of these switch groups has 8 individual switches, marked as 1 through 8. Individual switches are referred to by the switch group, followed by the switch number.
  • Page 10: Keyboard Intercom Address Setting

    3.3 Keyboard Intercom Address Setting Note that each remote keyboard intercom must be set to address 1. The address which the system applies to this keyboard is configured on the Intercom CPU PIT. Rev. 1 900.0405 23-June-05...
  • Page 11 Notes: Rev. 1 900.0405 23-June-05...
  • Page 12 All rights reserved. No part of this publication may be reproduced by any means without written permission from Honeywell Video Systems. The information in this publication is believed to be accurate in all respects. However, Honeywell Video Systems cannot assume responsibility for any consequences resulting from the use thereof. The information contained herein is subject to change without notice.

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