Document Outline

• Pub. 43004-019C
  • Confidentiality Notice
  • Warranty
  • Table of Contents
  • Foreword
    • User Instructions (USA)
    • User Instructions (Canada) CP-01, Issue 8, Part I: Section 14.1
    • Scope of Manual
    • Nomenclature
    • Ordering Replacement Parts
    • Service and Repair
    • Safe Handling of CMOS Integrated Circuit Devices
    • Model Chart
    • Specifications
  • Description
    • General Description
    • Features of the PL1877A Microprocessor Telephone Interconnnect
  • Installation
    • FCC Interference Warnings
    • Equipment Required
    • Cable Installation Safety Considerations
    • Telephone Line Lightning and Over-voltage Protection
    • Rack-Mount Installation
    • Installation Considerations
    • Electrical Interface
      • Ground Cable
    • Power Supply
    • P1 Radio Connector
    • Internal Diagnostics
      • Test 1 – TX Softpot Adjustment
      • Test 2 – DTMF Decode Thresholds
      • Test 3 – Mobile-to-Phone Audio Path
      • Test 4 – Mobile-to-Phone Path 2
      • Test 5 – Mobile-to-Phone Audio Path
      • Test 6 – Non-accessed Patch Functions
      • Test 7 – Active Line Swap
      • Test 8 – Network Tone Decoding
      • Test 9 – HC11 DSP Communications
      • Test 10 – HC11 DSP Communications
      • Test 11 – TX Audio Port
      • Test 12 – RS-232 Diagnostic
      • Test 13 – DTMF Decode on Un-accessed Phone Line
    • Level Setting
      • Transmitter Audio Level
      • Carrier Detect Adjustments
      • Internal Noise-Operated Squelch Adjustment
  • PC Programming
    • General Description
      • Hardware/Software Requirements
      • Communication Port
      • Connections
      • Installing Programming Software
    • IAPS Programming
      • Editing Screens
    • Input/Output
      • Input/Output – I/O Settings
      • Serial Port Setup
      • Input/Output – I/O Settings - Read ITI6000A
      • Input/Output – I/O Settings - Read Remote
        • Call Waiting
        • Paging
      • Input/Output – Remote Programming -Dialing Directory
      • Input/Output – Read Local
    • Installation
      • Installation – Radio Interface Parameters
        • RX Audio Source
        • RX Audio Input Level
        • Carrier Detect Source
        • External Logic Carrier Detect Polarity
        • CTCSS Validation of Carrier
        • CTCSS Detect Input
        • PTT Sense Input
        • Patch Inhibit Input
        • GPI-1 Input
        • RX Audio 2175 Hz Notch
      • Installation – Telephone Line Settings
        • Talk Battery Voltage
    • Basic Operation
      • Basic Operation – Mode Selection
        • Mode of Operation
        • Signal Search Period
        • Signal Search Duration
        • Enhanced VOX Ticks
        • Enhanced VOX Telephone Line Transmit Timer
        • Enhanced VOX Receive Recovery Delay
        • Enhanced VOX Delay
        • VOX Detection Threshold
        • I0 dB Extra Gain for Phone Audio
      • Basic Operation – Operational Settings
        • Mobile Call Origination
        • Telephone Line Call Origination
        • Attendant Call Origination
        • “Over” Beep
        • Mobile “Go-Ahead” Beep
      • Basic Operation – Programming Privileges
        • Remote DTMF Parameter Modification
        • Modem Parameter Modification
        • Mobile Parameter Modification
        • Prefix to *#0 Mobile Programming Code
        • Prefix to *#0 Telephone Line Programming Code
    • Access/Release Settings
      • Access/Release – Mobile Initiated – Mobile Access Release
        • Access Command
        • Normal Release Command
        • Mobile Access to Busy Phone Line
        • Require Multi-Digit Prefix
        • Require Multi-Digit Release after Multi-Digit Access
        • Multi-Digit Release Codes - Prefix/Suffix
        • Bypass Multi-Digit Access Command
        • Wildcard Access/Release Code
        • Answer via Carrier Burst Detection (“Triple Key”)
        • Disconnection on Phone Line Current Reversal, Mobile Origin
        • Number of Busy Cycles Detected Before Disconnect
      • Access/Release – Mobile Initiated – Mobile Access Release - Security Code Overrides
        • Mobile Origination
        • Reset Overall Access Timer
        • Accessing Busy Phone Line
        • Manual Dialing Restriction
        • Redialing Restriction
        • Auto-dial Restriction
        • Override Restriction Starting with 0
        • Override Restriction Starting with 1
        • Override Restriction Starting with 9
        • Override Restriction of Length of Numbers
        • Toll Restrict Prefixes 1- 8
      • Access/Release – Mobile Initiated - Multi-Digit Prefixes
        • Multi-Digit Prefixes (4 allowed)
        • Multi-Digit Override Switches
      • Access/Release – Mobile Initiated - Multi-Digit Release Codes
        • General Multi-Digit Release Code
        • Multi-Digits Release Codes
      • Access/Release – Telephone Initiated - Direct Access
        • Telephone Line Direct Access - Lines 1 & 2
        • Telephone Line Access Prefix
        • Require * from Telephone Line User for Direct Access - Lines 1 and 2
        • Attendant Direct Access
        • Attendant Access Prefix
        • Require * from Attendant for Direct Access
        • Direct Access Timer
        • Revert to Overall Timer on Detection of Carrier
        • CTCSS Strip Output During Direct Access Time
        • Emergency Call Direct Access
        • Mobile Ring Signaling
      • Access/Release – Telephone Initiated - Misc. Access/Release
        • Disconnection on Phone Line Current Reversal, Land-Line Origin
        • Disconnection upon Detection of Dial Tone after Access
        • Land-Line Disconnect with DTMF Release Command
        • DTMF 1 upon Auto Phone Line Access
        • Time between Answering Call & Generating Beep
      • Access/Release – Global Access/Release
        • Station/Repeater Control Mode Enable
        • Station/Repeater Enable Prefix Code
        • Mobile Inactivity Control
        • Overriding Access Time Limit by Mobile Command
        • Resets Access Timer to
        • Overall Access Time Limit
        • Time-Out Tick Duration
        • Control of External Devices via Security Code
        • Security Code
        • CTCSS Strip on Access
    • Signaling
      • Signaling – Telephone Line Dialing – Dialing Method
        • Telephone Line Dialing Type
        • Mobile DTMF Regeneration
        • Pseudo DTMF Regeneration
        • DTMF On Time for Telephone Line Dialing
        • Rotary Pulse Dial Rate
        • Mobile Audio Cut-Through Delay
      • Signaling – Telephone Line Dialing -Autodial/Redial
        • Autodial Feature Enabled
        • Restrict Mobile Users to Autodial Numbers
        • Mobile Modifications of Autodial Numbers
        • Redial
        • Autodial Number Pause Time
      • Signaling – Telephone Line Dialing – Auto-dial Numbers
      • Signaling – Telephone Line Dialing – Toll Restriction
        • Allow 9 as First Digit of Phone Number
        • Allow 1 as First Digit of Phone Number
        • Allow 0 as First Digit of Phone Number
        • Toll Restrictions Apply to Autodial
        • Maximum Length of Telephone Numbers
      • Signaling – Telephone Line Signaling Toll Restriction Prefixes
        • Toll Restrict Prefix (8 allowed)
        • First & Second Number Excluded from Toll Restriction
        • Emergency Access Number
      • Signaling – Mobile Signaling – Ring Signaling
        • Enable Multiple Ringing to Mobiles
        • Frequency of Ring Signal Generated to Mobile
        • Rings Detected on Telephone Line before Mobile Signaling
        • Signaling Pretime
      • Station Identifier
        • SID on Patch Release
        • SID Only After Station PTT
        • SID Transmission Time Cycles
        • Station Identification
    • Paging
      • Telephone Line
        • Paging Enabled from Telephone Line – Lines 1 & 2
        • Telephone Line Group Calls Enabled
        • Number of Digits Accepted from Telephone Line
        • Pulse Dial Decoding – Telephone Line
      • Attendant Paging
        • Paging Enabled from Attendant
        • Attendant Group Calls Enabled
        • Number of Digits Accepted from Attendant
      • Mobile Paging
        • Mobile Revertive Paging Enabled
        • Mobile Group Calls Enabled
        • Number of Digits Accepted from Mobile
      • General Paging
        • CTCSS Strip Output for Paging Tones
        • 6 dB/octave De-Emphasis of Paging Tones
        • Paging Format
        • Action to Take on Input Error from Telephone Line
        • Mobile Answer Timer after Paging Tones
        • Phone Line/Attd DTMF Dialing Interdigit Time
        • Number of Times to Repeat Paging
      • Paging Format - DTMF Paging Parameters
        • DTMF Outpulse Timing
        • DTMF Paging Preamble
      • Paging Format – 1500 Paging Parameters
        • 1500 Paging Tone Off Time
        • 1500 Paging Preamble
      • Paging Format – 2805 Paging Parameters
        • 2805 Paging Tone Off Time
        • 2805 Paging Preamble
      • Paging Format Plectron Paging Parameters
        • Plectron Paging A Tone Length
        • Plectron Paging B Tone Length
        • Plectron Paging Digits
      • Paging Format – 2-Tone Paging Parameters
        • 2-Tone Paging (A & B) Tone Length
        • 2-Tone Codeplan
        • 2-Tone Paging Digits
      • Paging Format – 5-Tone Paging Parameters
        • 5-Tone Diagnostic
        • 5-Tone Dual Addressing
        • 5-Tone Paging Preamble
        • 5-Tone Paging Digits
      • Paging Format – Multi-Mode Paging Table
        • Paging Format
        • Codeplan/Preamble
        • Capcode
        • ID
        • Invert Capcode
        • Group Calls/Dual Addressing
        • Direct Access
        • CTCSS Stripping on Paging
        • CTCSS Stripping on Direct Access
        • Tone 1 & 2 Frequencies
        • Tone 1 & 2 Durations
        • Link to Another ID?
        • Linked ID
    • Service Adjust
      • Service Adjust – Service Diagnostics
        • Read Local
        • Read
      • Service Adjust – Manual Off hook - Telephone Line Off hook Threshold Voltage
        • Set Local
        • Set Remote
      • Entering Programmed Parameters
      • Mobile Programming of Auto-Dial Numbers
      • Wildcard Access/Release
      • Programming Wildcard Access/Release
      • Wildcard Access/Release with Paging
      • Paging without Direct Channel Access
      • Paging with Direct Channel Access
      • Programming the Wildcard Code for use with Paging
      • Miscellaneous Information about Wildcard Access/Release Feature
        • Capcode and Normal Wildcard Codes
        • Use of the Right-Most Digit
    • Multi-Digit Access/Release
      • Multi-Digit Access
        • The Multi-Digit Access Code
        • Security Code
        • Limiting Interconnect Access to Users of Multi-Digit Prefixes
      • Multi-Digit Release
        • Linking Multi-Digit Release to Multi-Digit Access
  • Operator Instructions
    • Mobile Originated Calls
      • Signal Search Simplex Mode
      • Enhanced VOX Simplex Mode
      • Network Signaling
      • Half Duplex Mode
    • Landline Originated Calls
      • Direct Access
      • Selective Signaling
    • Multi-Digit Access/Release
      • Multi-Digit Access
      • Bypassing Restrictions via Multi-digit Access
      • Security Code (Privileged User Override Code)
      • Installation of the Multi-Digit Access Feature
      • Configuring the Security Code to Bypass Restrictions
      • Multi-Digit Release
      • Linking Multi-Digit Release to Multi-Digit Access
      • Installation
      • Wildcard Access/Release Installation
      • Wildcard Access/Release with Selective Signaling
      • Selective Signaling without Direct Channel Access
      • Selective Signaling with Direct Channel Access
      • Programming the Wildcard Template for Use with Selective Signaling
      • Miscellaneous Information Regarding Wildcard Access/Release Feature
  • Parameter Modification Procedure
    • Terminal Programming Feature
      • Parameter Modification via RS-232
      • RS-232 Operator Instructions
      • Parameter Modification via Modem
      • Modem Operator Instructions
    • DTMF Programming Feature
      • Operator Instructions
      • Procedure from Landline Telephone
      • Procedure from a Mobile or Portable Equipped with DTMF Pad
    • Mobile Programming of Auto-dial Numbers
    • Installation Parameters
      • Radio Interface
        • Signal Search Simplex Mode
        • Enhanced VOX Simplex Mode
        • Carrier Detect Methods
        • General Purpose Inputs
        • Miscellaneous
      • Telephone Interface
        • Signal Search Simplex Mode
        • Enhanced VOX Simplex Mode
        • Carrier Detect Methods
        • General Purpose Inputs
        • Miscellaneous
        • Telephone Interface
        • Dialing Characteristics
      • Parameter Programming Methods
        • Terminal Programming
        • Programming from the Telephone
        • Programming from a Mobile or Portable
    • Mobile Access Methods
      • Mobile Access Command
      • Multi-digit Access
        • Overriding Preprogrammed Restrictions via Multi-digit Access
      • Wildcard Access
      • Triple Key Access
    • Manual Release Methods
      • Mobile Originated Release
        • Mobile Release Command
        • Multi-digit Mobile Release
    • Automatic Release Methods
      • Mobile Originated Call
        • Current Supervision
        • Busy Tone Detection
      • Telephone Originated Call
        • Current Supervision
        • Dial Tone Detection
    • General Call Characteristics
      • Call Timers
        • Overall Access Timer
        • Mobile Inactivity Timer
      • Semi-private Operation
        • PL Strip Control
    • Selectable Features
      • Station Identification (SID or CWID)
      • Toll Restrictions
      • Autodial
        • Entry of Auto-dial Numbers
      • Redial
      • Direct Channel Access
        • Direct Access Timer
        • Direct Access/Selective Signaling Password
        • Emergency Call Direct Access
      • Mobile Security Code (Privileged User Override)
      • Station/Repeater Enable Feature
        • Installation
      • Miscellaneous Features
      • Parameter/Function Reference Table
    • Parameter/Function Reference Table
  • Features
    • Second Line Option
      • Answering Calls on Line 2
      • Originating Calls on Line 2
    • Selective Signaling
      • Landline Caller
      • Attendant
      • Mobile User (Mobile Revertive Signaling)
      • Group Calls
      • 2-Tone Group Calls
      • Dual Addressing
      • Single-Mode Selective Signaling
      • Multi-Mode Selective Signaling
      • Capcode Characteristics
        • DTMF
        • 2-Tone
        • Plectron
        • 2805/1500Hz Paging
        • Motorola/EIA 5-Tone
      • Selective Signaling Parameters and Functions
        • General Selective Signaling Characteristics
          • Paging Tone Transmission Characteristics
          • Selective Signaling Input
        • Selective Signaling Method
          • Single Mode
          • Multi-Mode
        • Selective Signaling Types
          • DTMF
          • 2-Tone Sequential
          • Plectron
          • 2805 Hz
          • 1500 Hz
          • Motorola 5/6 Tone
          • Group Calls
  • Paging
    • Types of Paging
    • 2-Tone Paging
      • 2-Tone Paging Example
      • Group Call
    • Plectron Paging
      • Plectron Paging Example
    • 5/6 Tone
  • PL1877A – Radio Installation
    • Mitrek Consolette – PL1877A Single Simplex Mode
    • Mitrek Consolette – Enhanced VOX Simplex Mode
    • MAXAR and MOXY Bases
    • MAXAR 80 Bases
    • MICOR RCB Repeater
    • FLEXAR Repeater
    • T1600 Series Remote Interfacing
    • MSF 5000 Digital Base/Repeater Stations
    • MAXTRAC 300/GM300 Base Station
  • Theory of Operation
    • Power Supply
    • Microprocessor and DSP Module (MDP)
    • Digital Signal Processing
    • TX Audio
    • Radio Interface
    • Line Interface
    • Optional Line 2 Interface
  • Main Circuit Board
  • MDP Circuit Board
  • Definitions and Acronyms