WTI CAS-161A User Manual
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WTI CAS-161A User Manual

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WTI Part No. 12114
Rev. D
CAS-161A
Code Activated Switch
User's Guide

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Summary of Contents for WTI CAS-161A

  • Page 1 WTI Part No. 12114 Rev. D CAS-161A Code Activated Switch User’s Guide...

  • Page 3: Table Of Contents

    Table of Contents Introduction ......... . . 1-1 Unit Description .

  • Page 4: List Of Figures

    Table of Contents List of Figures 2.1. Instrument Front Panel ........2-1 2.2.

  • Page 5: Introduction

    Optional RS422 line drivers can be factory installed to increase data transmission up to one mile. The CAS-161A is field-expandable to 32, 48 or 64 ports by attaching up to three additional Add-On Modules to the master unit. CAS-161A applications include: ·...
  • Page 6 CAS-161A User’s Guide Typographic Conventions Throughout this User's Guide, typefaces and characters have been used to denote the following: [Key] ^ (e.g. ^V) COURIER FONT Text set in bold face and enclosed in square brackets indicates a specific key. For example [Enter] or [Esc].

  • Page 7: Instrument Front Panel

    Unit Description 2.1. Front Panel Indicators Figure 2.1: Instrument Front Panel À PWR: (Power) Indicates power to the unit is ON. Á TXD: (Transmit Data) Indicates data is being transmitted out pin 2 of the Control port (MODEM Port). Indicates data is being received at pin 2 of the selected port.

  • Page 8: Instrument Back Panel

    CAS-161A User’s Guide Å ACTIVE PORT Indicators: These indicators are used with the previously mentioned SECTION LEDs to indicate the port currently connected to the Control port. 2.2. Back Panel Components Figure 2.2: Instrument Back Panel À Input Ports 1 - 16: Ports labeled 1 - 16 are 25-pin, female, RS232 connectors.

  • Page 9: Installation

    Configure SetUp Switches There are two banks of DIP switches located on the bottom of the CAS-161A unit. These switches are used to configure the Prefix Code (command character), enable the Broadcast Mode, and select the baud rate. Switch functions are summarized on the bottom of the unit and in the sections that follow: Note: Switch positions “1”...

  • Page 10: Broadcast Mode Sw5

    CAS-161A User’s Guide 3.1.1.2. Broadcast Mode (Sw5) On (1) forces all ports open. Data from the Control (MODEM) port is sent to all Input ports. Useful for broadcasting to or controlling all Input devices. When enabled, concurrent data sent by Input ports to the Control port will be jumbled together.
  • Page 11 Prefix Code (Name (NUL) (SOH) (STX) (ETX) (EOT) (ENQ) (ACK) (BEL) (BS) (UL) (LF) (VT) (FF) (CR) (SO) (SI) (DLE) (DC1) (DC2) (DC3) (DC4) (NAK) (SYN) (ETB) (CAN) (EM) (SUB) (ESC) (FS) (GS) (RS) (US) Switch (Bank 2) Factory Setting = ^V Installation...

  • Page 12: Parity (Sw8)

    Connect Power Cable 1. Make certain the power switch is in the OFF position. 2. Attach one end of the power cable to the AC power connector on the CAS-161A. Attach the other end to a grounded wall outlet. 3.3.

  • Page 13: Port Selection

    Port Selection 4.1. Selecting a Port 1. After completing the installation procedure, flip the power switch on the back of the unit to ON. Note: Upon each power-up the unit will reset and all ports will be closed. 2. Refer to the Port Select Code Chart below and find the letter representing the port you wish to connect to.

  • Page 14: Closing/Opening All Ports

    CAS-161A User’s Guide 3. Go to the PC or terminal connected to the Control (Modem) Port. Start your communications program. Enter the Prefix Code followed by the appropriate Port Select Code. The Control port connects to the selected port and remains connected until another code sequence is issued.

  • Page 15: Interface Description

    Interface Description A.1. RS232 Ports (Standard) Figure A.1: RS232 Interface A.2. RS422 Ports (Optional) Figure A.2: RS422 Interface Note: Handshake signals are not passed. Pins 1 - 13 are open. Apx-1...

  • Page 16: Printable Prefix Codes

    Appendices Printable Prefix Codes Since the Prefix code is transmitted through the opened port, it is best to select a non-printable Prefix Code. The procedure for selecting the Prefix Code is described in Section 3. If your application requires a printable code, refer to the ASCII code chart below.

  • Page 17: Installing Add-On Modules

    Installing Add-On Modules The CAS-161A is field expandable to 32, 48, or 64 ports by attaching up to three additional Add-On Modules to the master unit. Each Add-On Module Kit includes the following: 1 ea. Add-On Module w/ six-wire power cable 2 ea.
  • Page 18 Appendices 1. Remove the instrument top cover. If your unit has a stand- alone top cover, remove the cover; the stand-alone cover is no longer required. If your unit has a Rack-Mount Kit, remove the Rack-Mount Cover, Left and Right Rack-Mount Brackets (Style 1), and screws.

  • Page 19: Specifications

    Specifications Coding: ASCII, Asynchronous Baud Rate: 300 to 19.2K baud, Switch Selectable Interface: RS232, 25-pin connectors Lines Switched: 2,3,4 and 5. Pins 6 and 8 of all Input ports follow Pin 6 of the Control port. Power: 90 VAC to 130 VAC (jumper-selectable), 180 VAC to 260 VAC, 47 to 450 Hz.

  • Page 20: Customer Service

    Appendices Customer Service Customer Service hours are from 8:00 AM to 5:00 PM, PST, Monday through Friday. When calling, please be prepared to give the name and make of the unit, its serial number and a description of its symptoms. If the unit should need to be returned for factory repair it must be accompanied by a Return Authorization number from Customer Service.

  • Page 21: Fcc Statement

    FCC Statement WARNING: This equipment generates, uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual, may cause interference to radio and television reception. It has been tested and found to comply with the limits for a Class A computing device in accordance with specifications in Subpart J of Part 15 of FCC Rules, which are designed to provide reasonable protection against such...
  • Page 22 Appendices Trademark and Copyright Information WTI, WTI logo and Western Telematic are trademarks of Western Telematic Inc. All other product names mentioned in this publication are trademarks or registered trademarks of their respective companies. Information and descriptions contained herein are the property of Western Telematic Inc.
  • Page 24 · · 5 Sterling Irvine California 92618 · (949) 586-9950 Toll Free: 1-800-854-7226 · Fax: (949) 583-9514 http://www.wti.com...

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