Document Outline

• Title page
• Revision history
• Contents
• LIst of procedures
• About this document
  • Subject
  • Applicable systems
  • Intended audience
  • Conventions
  • Related information
• Overview
  • Contents
  • Line cards
    • Installation
    • Operation
    • Analog line interface units
    • Digital line interface units
    • Analog line call operation
    • Digital line call operation
    • Lineside T1 call operation
    • Voice frequency audio level
    • Off-premise line protection
    • Line protectors
    • Line protection grounding
    • Line and telephone components
  • Trunk cards
  • Installation
  • Operation
    • Host interface bus
    • Trunk interface unit
  • Serial Data Interface (SDI) cards
    • Uses
    • Features
    • Specifications
    • Installation
    • Maintenance
• Circuit card installation
  • Contents
  • Card slots - Large System
  • Circuit card installation
  • Precautions
  • Installing a circuit card
• Acceptance tests
  • Contents
  • Introduction
  • Conference cards
  • Digitone receiver cards
  • Line cards
  • Multifrequency sender cards
  • Multifrequency signaling cards
  • Network cards
  • Trunk cards
  • Tone and digit switch cards
• Option settings
  • Contents
  • Circuit card grid
  • NT1R20 Off-Premise Station card
  • NT5D12AA Dual DTI/PRI (DDP) card
    • General purpose switches
    • Trunk interface switches
    • Ring ground switches
    • DCH mode and address select switches
    • Illustrations of switch locations and settings
  • NT6D42 Ringing Generator DC
  • NT5D2101/NT9D1102 Core/Network module backplane
  • NT6D68 Core module backplane
  • NT6D80 Multi-purpose Serial Data Link card
  • NT8D14 Universal Trunk card
  • NT8D15 E&M Trunk card
  • NT8D17 Conference/TDS card
  • NT8D21 Ringing Generator AC
  • NT8D22 System Monitor
  • NT8D41BA Quad Serial Data Interface Paddle Board
  • NT8D72 Primary Rate Interface card
  • QPC43 Peripheral Signaling card
  • QPC71 E&M/DX Signaling and Paging Trunk cards
  • QPC414 Network card
  • QPC441 3-Port Extender cards
  • QPC559, QPC560 Loop Signaling Trunk cards
  • QPC528 CO/FX/WATS Trunk cards
  • QPC471 Clock Controller card
  • QPC525, QPC526, QPC527, QPC777 CO Trunk card
  • QPC550 Direct Inward Dial Trunk card
  • QPC551 Radio Paging Trunk card
  • QPC595 Digitone Receiver cards
  • QPC577, QPC596 Digitone Receiver daughterboards
  • QPC720 Primary Rate Interface card
  • QPC775 Clock Controller card
  • QPC841 4-Port Serial Data Interface card
• NT1R20 Off-Premise Station Analog Line card
  • Contents
  • Introduction
  • Physical description
    • Self Test
  • Functional description
    • Card interfaces
    • Card control functions
  • Electrical specifications
    • Circuit power
    • Analog line interface
    • Power requirements
    • Foreign and surge voltage protection
    • Ringer limitations
    • Environmental specifications
  • Operation
    • Incoming calls
    • Outgoing calls
  • Connector pin assignments
  • Configuring the OPS analog line card
    • Jumper strap settings
  • Application
    • Off-premise station application
    • Other applications
    • Transmission considerations
• NT4N39AA CP Pentium IV Card
  • Contents
  • Introduction
  • Physical description
  • Functional description
    • Memory
  • Front panel connector pin assignments
    • COM1 and COM2 ports
    • USB port
    • 10/100/1000 Mbps Ethernet ports
    • Front panel LED indicators
    • ITP connector (25 PIN, Debug Only)
    • Post 80 Debug LEDs (Optional)
• NT5D11 and NT5D14 Lineside T1 Interface cards
  • Contents
  • Introduction
  • Physical description
    • Card connections
    • Faceplate
  • Functional description
    • Card interfaces
    • T1 interface circuit
    • Signaling and control
    • Card control functions
  • Electrical specifications
    • T1 channel specifications
    • Power requirements
    • Foreign and surge voltage protections
    • Environmental specifications
  • Installation and configuration
    • Dip switch settings
    • Installation
    • Cabling the lineside T1 card
    • Terminal configuration
    • Software configuration
  • Man-Machine T1 maintenance interface software
    • Description
    • Login and password
    • Basic commands
    • Configuring parameters
    • Alarm operation and reporting
    • Performance counters and reporting
    • Testing
  • Applications
• NT5D33 and NT5D34 Lineside E1 Interface cards
  • Contents
  • Introduction
  • Physical description
    • Card connections
    • Faceplate
  • Functional description
    • Overview
    • Card interfaces
    • ELEI additional functionality
  • Electrical specifications
    • E1 channel specifications
    • Power requirements
    • Foreign and surge voltage protections
  • Installation and Configuration
    • Dip switch settings
  • Installation
    • Cabling the LEI card
    • Terminal configuration
  • Man-Machine E1 maintenance interface software
    • Description
    • Basic commands
    • Configuring parameters
    • Alarm operation and reporting
    • Performance counters and reporting
  • Applications
• NT5D60/80 CLASS Modem card (XCMC)
  • Contents
  • Introduction
  • Physical description
  • Functional description
  • Electrical specifications
    • Data transmission specifications
    • Power requirements
    • Environmental specifications
  • Configuration
    • Software service changes
• NT5D97 Dual-port DTI2/PRI2 card
  • Contents
  • Introduction
  • Physical description
    • External D-Channel Interface DCH or MSDL
    • NT5D97 faceplate
    • Port definitions
    • System capacity and performance
    • Cable requirements
    • Cable diagrams
  • Functional description
    • NT5D97 circuit card locations
    • NT5D97AA/AB DIP switch settings
    • Trunk interface switches for NT5D97AA/AB
    • DCH Address select switch for NTBK51AA daughter board for NT5D97AA/AB
    • NT5D97AD DIP switch settings
    • DCH Address select switch for NTBK51AA daughterboard for NT5D97AD
    • MSDL external card
  • Architecture
    • Clock operation
    • Reference clock errors
    • Automatic clock recovery
    • Automatic clock switching
    • Clock configurations
  • Operation
    • Configuring the NT5D97
    • Testability and diagnostics
• NT5K02 Flexible Analog Line card
  • Contents
  • Introduction
  • Applications
• NT5K21 XMFC/MFE card
  • Contents
  • Introduction
  • MFC signaling
    • Signaling levels
    • Forward and backward signals
  • MFE signaling
  • Sender and receiver mode
    • XMFC sender and receiver specifications
    • XMFE sender and receiver specifications
  • Physical specifications
• NT6D70 SILC Line card
  • Contents
  • Introduction
    • ISDN BRI
  • Physical description
    • Power consumption
    • Foreign and surge voltage protections
  • Functional description
    • Micro Controller Unit (MCU)
    • IPE interface logic
    • S/T interface logic
• NT6D71 UILC Line card
  • Contents
  • Introduction
  • Physical description
    • Power consumption
  • Functional description
    • Micro Controller Unit (MCU)
    • IPE interface logic
    • U interface logic
• NT6D80 MSDL card
  • Contents
  • Introduction
  • Physical description
  • Functional description
    • CPU bus interface
    • Micro Processing Unit (MPU)
    • Memory
    • Serial interface
    • MSDL operations
    • Data flow
  • Engineering guidelines
    • Available network card slots
    • Card mix
    • Address decoding
    • Port specifications
    • Implementation guidelines
    • Environmental and power requirements
  • Installation
    • Device number
    • MSDL interfaces
    • Installing the MSDL card
    • Cable requirements
    • Cable installation
    • MSDL planning form
  • Maintenance
    • MSDL states
    • Maintaining the MSDL
    • System controlled maintenance
    • Manually controlled maintenance
    • Manually isolating and correcting faults
  • Replacing MSDL cards
  • Symptoms and actions
  • System disabled actions
• NT7D16 Data Access card
  • Content list
  • Introduction
  • Features
  • Controls and indicators
    • Card status
    • Electronic Industries Association signal monitors
    • CONNECT
    • Port mode
    • Port number
    • Port select button
    • Wire test
  • Dialing operations
    • Port firmware in idle state
    • Call Set-up abort
    • Make Port Busy on loss of DTR
    • Inactivity timeout
    • Wire test mode
    • Independent storage of dialing parameters
  • Operating modes
    • Selecting the proper mode for Modem connectivity
    • Mode 0
    • Mode 1
    • Mode 2
    • Mode 3
    • Selecting the proper mode for Gateway connectivity
    • Mode 4
    • Mode 5
    • Mode 6
    • Mode 7
    • Selecting the proper mode for Host connectivity
    • Mode 8
    • Mode 9
    • Mode 10
    • Mode 11
    • Selecting the proper mode for Terminal connectivity
    • Mode 12
    • Mode 13
    • Mode 14
    • Mode 15
    • Mode selection baud rates
  • Keyboard dialing
    • Initiating conditions
    • Echo
    • Prompts
    • Call abort
    • Autobaud
    • Auto parity
    • Dialing operation
    • Primary commands
    • Ring Again
    • Not in service
    • No response from the system
  • Hayes dialing
    • Initiating conditions
    • Input requirements
    • Echo
    • Result codes and messages
    • Baud rate detection
    • Parity detection
    • Dialing operation
    • S registers
    • Reset Hayes parameters
    • Outbound calls
    • Inbound calls
    • Off Line mode
  • Specifications
    • QPC430 and QPC723 interfaces
    • Download parameters
    • System parameters
    • Operating parameters
    • Upload parameters
  • System database requirements
  • Power supply
    • EIA signals supported
    • Environmental
    • Reliability
  • Installing the Data Access card
    • Cabinet system
    • Large System
    • System compatibility
  • Port configuration
  • Cabling
  • Backplane pinout and signaling
  • Configuring the Data Access card
    • DAC administration (LD 11)
    • Printing the card parameters (LD 20)
  • Connecting Apple Macintosh to the DAC
  • Upgrading systems
    • Large System and CS 1000M HG upgrade
• NT8D02 and NTDK16 Digital Line cards
  • Contents
  • Introduction
    • NT8D02 Digital Line card
    • NTDK16 Digital Line card
  • Physical description
  • Functional description
    • NT8D02 Digital Line card
    • NTDK16 Digital Line card
    • Card interfaces
    • Digital line interfaces
    • Card control functions
    • Circuit power
  • Electrical specifications
  • Digital line interface specifications
    • Power requirements
    • Foreign and surge voltage protections
    • Environmental specifications
  • Connector pin assignments
  • Configuration
    • Jumper and switch settings
    • Software service changes
• NT8D03 Analog Line card
  • Overview
• NT8D09 Analog Message Waiting Line card
  • Contents
  • Introduction
  • Physical description
  • Functional description
    • Card interfaces
    • Line interface units
    • Card control functions
    • Analog line interface
    • Power requirements
    • Foreign and surge voltage protections
    • Overload level
    • Environmental specifications
  • Connector pin assignments
  • Configuration
    • Jumper and switch settings
    • Software service changes
• NT8D14 Universal Trunk card
  • Contents
  • Introduction
  • Physical description
  • Functional description
    • Card interfaces
    • Card control functions
    • Signaling interface
  • Operation
    • Loop start operation
    • Ground start operation
    • Direct inward dial operation
    • Two-way, loop dial repeating, TIE trunk operation
    • Senderized operation for DID and two-way loop DR trunks
    • Outgoing automatic, incoming dial operation
    • Recorded announcement trunk operation
  • Electrical specifications
    • Power requirements
    • Foreign and surge voltage protection
    • Environmental specifications
    • Release control
    • PAD switching
  • Connector pin assignments
  • Configuration
    • Jumper strap settings
    • Service change entries
  • Applications
    • Paging trunk operation
    • Music operation
• NT8D15 E&M Trunk card
  • Contents
  • Introduction
  • Physical description
  • Functional description
    • Common features
    • Card interfaces
    • Trunk circuit features
    • Card control functions
    • Signaling interface
    • Maintenance features
  • Operation
    • Signaling and call control
  • Electrical specifications
    • Power requirements
    • Environmental specifications
    • Foreign and surge voltage protection
  • Connector pin assignments
  • Configuration
    • Jumper settings
    • Software service entries
  • Applications
    • PAD switching
    • Paging trunk operation
• NT8D41AA Serial Data Interface Paddle Board
  • Contents
  • Introduction
  • Physical description
  • Functional description
    • System considerations
  • Connector pin assignments
  • Configuring the SDI paddle board
    • Option switch settings
    • Software service changes
  • Applications
• NT8D41BA Quad Serial Data Interface Paddle Board
  • Contents
  • Introduction
  • Physical description
  • Functional description
    • System considerations
  • Connector pin assignments
  • Configuring the QSDI paddle board
    • Option switch settings
    • Software service changes
  • Applications
• NTAG26 XMFR card
  • Contents
  • Introduction
    • MF signaling
    • Signaling levels
    • XMFR receiver specifications
  • Physical specifications
• NTAK02 SDI/DCH card
  • Contents
  • Introduction
  • NTAK02 SDI/DCH card
    • Connecting to the ports
    • Characteristics of the low speed port
    • Characteristics of the high speed port
• NTAK09 1.5 Mb DTI/PRI card
  • Contents
  • Introduction
  • Physical description
    • NTAK09 DTI/PRI power on self-test
    • NTAK20 power on self-test
    • NTAK93 self-test
    • DTI/PRI local self-test
    • Power requirements
    • Foreign and surge voltage protection
  • Functional description
  • Architecture
    • Signaling interface
    • Interconnection
    • Microprocessor
    • Digital pad
    • D-channel interface
    • DS-1 Carrier interface
    • Clock controller interface
    • Clock rate converter
• NTAK10 2.0 Mb DTI card
  • Contents
  • Introduction
  • Physical description
    • Power requirements
    • Environment
  • Functional description
  • Architecture
    • DS-30X interface
    • Signaling interface
    • Carrier interface
    • Clock controller interface
    • Switch settings
• NTAK20 Clock Controller daughterboard
  • Contents
  • Introduction
    • Clocking modes
  • Physical description
    • Faceplate LEDs
  • Functional description
    • Phase difference detector circuit
    • Digital phase lock loops
    • Digital to analog converter
    • CPU-MUX bus interface
    • Signal conditioning
    • Sanity timer
    • Microprocessor
    • External timing interface
    • Hardware integrity and regulatory environment
• NTAK79 2.0 Mb PRI card
  • Contents
  • Introduction
  • Physical description
    • NTAK79 switches
    • Power requirements
    • Environment
  • Functional description
  • Architecture
    • DS-30X interface
    • Signaling interface
    • Carrier interface
    • Carrier grounding
    • CEPT transceiver
    • Slip control
    • D-channel support interface
    • Card-LAN interface
    • Clock controller interface
• NTAK93 D-channel Handler Interface daughterboard
  • Contents
  • Introduction
  • Physical description
    • Faceplate LEDs
    • Power consumption
  • Functional description
    • Microprocessors
    • DMA controller
    • Random Access Memory (RAM)
    • Read Only Memory (ROM)
    • LAPD data link/asynchronous controller
    • Counter/timer controller
    • Software interface circuit
    • DPNSS/DCHI Port
    • D-Port - SDTI/PRI interface
• NTBK22 MISP card
  • Contents
  • Introduction
  • Physical description
  • Functional description
    • Micro Processing Unit (MPU)
    • High-Level Data Link Controller (HDLC)
    • CPU to MISP bus interface
    • MISP network bus interface
    • Power consumption
• NTBK50 2.0 Mb PRI card
  • Contents
  • Introduction
  • Physical description
    • Power requirements
    • Environment
  • Functional description
  • Architecture
    • DS-30X interface
    • Signaling interface
    • Carrier interface
    • Carrier grounding
    • CEPT transceiver
    • Slip control
    • D-channel support interface
    • Card-LAN interface
• NTBK51 Downloadable D-channel Handler daughterboard
  • Contents
  • Introduction
  • Physical description
  • Functional description
    • Microprocessors
    • Main memory
    • Shared memory
    • EPROM memory
    • Flash EPROM memory
    • EEPROM memory
    • Serial communication controller
    • Sanity timer
    • Bus timer
  • Download operation
    • System initialization
    • Card enabling or application enabling
    • Card reset
    • Background audit
• NTCK16 Generic Central Office Trunk cards
  • Contents
  • Introduction
  • Physical description
    • Switch settings
    • Self-test
  • Functional description
    • Common features
  • Operation
    • Loop start operation
  • Electrical specifications
    • Power requirements
    • Environmental specifications
    • Pad switching
  • Connector pin assignments
    • Cross connections
  • Configuration
    • NTCK16AX Central Office trunk card
    • NTCK16BX Central Office trunk card
  • Applications
    • Periodic Pulse Metering
    • Busy tone detect
    • Loss switching
    • Trunk to Trunk connection
    • Call disconnect
• NTDK20 Small System Controller card
  • Contents
  • Introduction
  • Memory
    • NTTK25 daughterboard
  • 100BaseT IP daughterboards
  • PC card interface
  • Security device
  • SDI ports
  • Conferencing
  • MG 1000S/Expansion card slot assignment
• NTRB21 DTI/PRI/DCH TMDI card
  • Contents
  • Introduction
  • Physical description
    • Power requirements
    • Foreign and surge voltage protection
  • Functional description
  • Software description
  • Hardware description
    • NTRB21 TMDI card
  • Architecture
    • Signaling interface
    • Interconnection
    • Microprocessor
    • Digital pad
    • D-channel interface
    • DS-1 Carrier interface
    • NTAK20 Clock Controller (CC) daughterboard
• NTVQ01xx Media Card
  • Contents
  • Physical description
  • Hardware architecture
    • Faceplate connectors and indicators
  • Functional description
  • Survivability
• NTVQ55AA ITG Pentium card
  • Contents
  • Physical description
  • Functional description
    • Faceplate components
    • Backplane interfaces
    • Assembly description
• QPC513 Enhanced Serial Data Interface card
  • Contents
  • Introduction
  • Physical description
  • Functional description
    • Synchronous communication
    • Clock timing option
    • Test and maintenance features
    • Connection characteristics
  • Connector pin assignments
  • Configuring the ESDI card
    • Address switch settings
    • DTE/DCE mode jumper settings
    • Software service changes
  • Applications
• QPC841 Quad Serial Data Interface card
  • Contents
  • Introduction
  • Physical description
  • Functional description
  • Connector pin assignments
  • Configuring the QSDI card
    • Software service changes
  • Applications
• The TDS/DTR card
  • Contents
  • Introduction
  • Features
    • Tone transmitter
    • Tone detector
    • SDI function
    • Tones and cadences
• Appendix A: LAPB Data Link Control protocol
  • Contents
  • Introduction
  • Operation
  • Frame structure
  • LAPB balanced class of procedure
  • Commands and responses
  • Description of procedure
• Back page