Document Outline

• Pub. 43004-023D
  • Confidentiality Notice
  • Computer Software Copyrights
  • Warranty
  • Table of Contents
  • Foreword
    • Scope of Manual
    • Nomenclature
    • Ordering Replacement Parts
    • Service and Repair
    • Features and Benefits
    • FCC Interference Warning
    • Safe Handling of CMOS Integrated Circuit Devices
    • Performance Specifications
  • Description
    • Physical Description
    • Signaling Buttons
    • Programmable Buttons, PROG 1/5 through PROG 4/8
    • Volume Buttons
    • Lock Button
    • IC (Intercom) Button
    • Monitor Button
    • Transmit Button
    • Transmit LED
    • Monitor LED
    • Keypad Buttons
    • LCD Display
    • Internal Microphone
    • Handset
    • Accessories
    • Field Replacement Items
    • Programming
  • Operation
    • Operational Description
    • Display
    • Setting the Clock
    • Receiving Calls
    • Initiating Calls
    • Handset Transmit
    • Transmit From Internal (Local) Microphone
    • Transmit From Desk Microphone or Footswitch
    • Front Panel Buttons
      • Signaling Buttons
        • MDC
        • PAGE
        • CLEAR
        • SELECT
        • UP/DOWN BUTTONS
      • Programmable Buttons, PROG 1/5 through PROG 4/8
      • VOLUME Up and VOLUME Down Buttons
      • LOCK Button
      • IC (Intercom) Button
      • MONITOR Button
      • TRANSMIT Button
      • Keypad Buttons
    • Numeric Keypad Frequency Selection
    • Frequency Display
    • Parallel Status Operation (Tone Operation Only)
    • PTT Frequency
    • Tone Supervisor Control
    • Alert Tones
    • Paging
      • Entering the Paging Menu
      • Selecting the Page Type
      • Entering Capcode Digits for Paging
      • Entering a Programmed Alias
      • Sending the Page
    • MDC1200 Applicability
      • Entering the MDC Menu
      • Selecting the MDC1200 Type
      • Entering the Unit ID for MDC1200
      • Entering a Programmed Alias
      • Sending the MDC1200 Message
      • Group Calls and Wildcards
      • Acknowledgments
      • Select Call
      • Exiting the MDC Menu
      • RS-232/Printer Output
      • RS-232 Input or PC Control
      • MDC1200
      • Paging
      • Frequency Changing
      • Custom Tones
  • Installation
    • Planning the Installation
    • Mechanical Receipt Inspection
    • Mounting
    • FCC Interference Warnings
    • Electrostatic Discharge (ESD) Protection
    • Equipment Required
      • Test Equipment
      • Documentation
    • Cable Installation Safety Considerations
    • Power Connections
    • Line Connections for the L3149B Desk Set
      • Line Considerations - Private Circuit
      • Circuit Conditioning
    • Line Connections for Local Control (L3147A) Operation
    • Microphone Sensitivity Adjustments
      • Internal Microphone
      • Handset Microphone
      • Accessory Microphone
    • Relay Control
      • E&M
      • E-Lead
      • M-Lead
      • E&M with Tone Control
    • Audio Accessory/RS-232 Port
    • Mounting
    • Level Adjustments and Diagnostics
    • Reloading Factory Defaults
    • Main Diagnostics Selection
    • PROG 1/5 - Line Output Adjust
    • PROG 2/6 - Line In Sensitivity
    • PROG 3/7 - Internal Diagnostics
      • PROG 2/6 - DC Module Diagnostics
      • PROG 1/5 - Relay Module Diagnostics
      • PROG 3/7 – RS-232 Diagnostic
      • PROG 4/8 - Keyboard Diagnostic
    • PROG 4/8 - Tone Level Adjust
      • PROG 1/5 - Sidetone Level Adjust Mode
      • PROG 2/6 - Alert Tone Level Adjust Mode
      • PROG 3/7 - Page Tone Line Level Adjust Mode
  • Theory of Operation
    • General Desk Set Overview
    • Receive Audio
    • Speaker Audio
    • Transmit Audio
    • Microphone Audio
    • Guard Tone Detection
    • Relay Control Module
    • Reset Circuit
  • Programming
    • PC Programming
      • General Description
      • Hardware/Software Requirements
      • Communication Port
      • Connections
      • Installing the Programming Software
    • Desk Set Parameters
      • Date Format
      • Clock Format
      • Printer Enabled
      • Printer Port Baud Rate
      • Number of Lines per Page
      • Accessory Mic Bias
      • Accessory PTT Polarity
      • Accessory Monitor Polarity
    • Parameters - Line Configuration
      • Number of Frequencies/Currents
      • Type of Interface
      • Type of Wire
      • Full Duplex
      • 4-Wire Intercom Path
      • Line Termination
      • Use E-lead for VOX selection
    • Control Parameters
      • Guard Tone Frequency
      • Guard Tone Duration
      • Function Tone Level
      • Function Tone Duration
      • Low Level Guard Tone Level
      • Mic Delay
      • Monitor Frequency/Current
      • Parallel Mute
      • PTT Function Tone Frequency
      • Supervisor OFF Frequency/Supervisor ON Frequency
    • Function Tones/Aliases
      • Frequency Alias Names
      • Frequencies/Currents
    • Programmable Buttons
      • Programmable Button Types: Disabled
      • Alert Tone
      • Button Remap
      • Frequency Change
      • Mute
      • PL
      • Quick MDC
      • Quick Page
      • Supervisor via Function Tone
      • Supervisor via Relay
      • Wildcard
    • Input/Output Relay Table
      • Relay Inputs
      • Button Press
      • Input VOX or E-Lead
      • Monitor Sense
      • PTT Sense
      • LTR CTS
      • Relay Outputs
      • E&M M-Lead
      • MDC Emergency
      • Monitor
      • PTT
      • Relays Asserted
    • Configure Paging
      • To Enable a Paging Type
      • To Disable a Paging Type
      • To Change the Order of Selected Paging Types
    • Manual Paging
      • Page PTT Frequency
      • Keep Page PTT Frequency after Page
      • Paging PTT Pretime
      • 6 dB/Octave De-emphasis Enable
    • DTMF Paging
      • Maximum Digits Allowed from Keyboard
      • DTMF Interdigit Time
      • DTMF Paging Preamble
      • TALK NOW Timer for DTMF Paging
    • Two-Tone Paging
      • Two-Tone Codeplan
      • Preset Two-Tone Digits
      • A Tone Duration
      • B Tone Duration
      • 8-second Group Timer
      • TALK NOW Timer for Two-Tone Paging
    • Plectron Paging
      • Preset Plectron Digits
      • A Tone Duration
      • B Tone Duration
      • TALK NOW Timer for Plectron
    • 5-Tone Paging
      • 5-Tone Paging Preamble
      • 5-Tone Dual Addressing
      • Preset 5-Tone Digits
      • 5-Tone Diagnostics
      • TALK NOW Timer
    • 1500 Paging
      • 1500 Paging Tone Off Time
      • Maximum Digits Allowed From Keypad
      • 1500 Preamble Digits
      • TALK NOW Timer
    • 2805 Paging
      • 2805 Paging Tone Off Time
      • Maximum Digits Allowed From Keypad
      • 2805 Preamble Digits
      • TALK NOW Timer
    • Configure MDC1200
      • MDC Flags
        • PTT Enable
        • Post PTT Enable
        • Generate Sidetone during MDC
        • Automatic Select Call Enable
        • Emergency Enable
        • Emergency Ack Enable
        • Emergency Alarm Enable
        • Busy Timer Enable
        • PC Control
      • MDC Feature Order
        • To Enable an MDC Type
        • To Disable an MDC Type
        • To Change the Order of the Selected MDC Types
      • MDC Pretime Timers
        • TX Pretime
        • TX Post Pretime
        • Acknowledge Pretime
        • MDC ID
        • MDC Group ID
      • MDC Timers
        • DOS Coast Timer
        • Emergency Ignore Time
        • Limited Patience Timer
        • Retry Constant
      • MDC Printer Message Settings
        • Print Incoming Messages
        • Print Outgoing Messages:
    • Alias Table
      • Alias Name
      • Alias Type
      • Paging Type
      • MDC Unit ID
      • Capcode
      • Auto PTT Frequency
      • Keep Page PTT Freq after Page
      • Talk Time
      • Preamble/Codeplan
      • Interpage Delay
      • Tone 1 Frequency
      • Tone 1 Duration
      • Tone 2 Frequency
      • Tone 2 Duration
      • Deleting Alias Table Entries
      • Group Paging
  • Troubleshooting
    • Troubleshooting the L3149B (C200) Advanced Desk Set
    • Fuse Replacement
  • Schematics
    • Desk Set Line Interface Schematic Diagram - Sheet 1
    • Desk Set User Audio I/O Schematic Diagram - Sheet 2
    • Desk Set Control Microprocessor I/O Schematic Diagram - Sheet 3
    • Desk Set DSP Block Schematic Diagram - Sheet 4
    • Desk Set Tone Keypanel Schematic Diagram - Sheet 5
    • Desk Set Power Supply Schematic Diagram - Sheet 6
    • Desk Set Signaling Section Schematic Diagram - Sheet 7
    • Relay I/O Option Schematic Diagram (XRC0001A)
  • Circuit Boards
    • Main Unit DTD Circuit Board
    • Main Unit Power and Line Circuit Board
    • Relay I/O Option Circuit Board
  • Definitions and Acronyms