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AT&T AT&T manual SINGLE-LINE Voice Terminals

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SINGLE-LINE VOICE

TERMINALS

(420, 500, 2500, 2514,

2554, 7101A)

— — — — — — — —

RECORDED ANNOUNCEMENTS

— — — — — — — —

DICTATION

EQUIPMENT

— — — — — — — —

EXTERNAL ALERTING

DEVICES

— — — — — — — —

MUSIC-ON-HOLD

MULTILINE VOICE

TERMINALS

(7300H-TYPE)

— — — — — — — —

DIRECT TRUNK ATTENDANT CONSOLE (7305H02B) OR SWITCHED LOOP ATTENDANT

CONSOLE (7305H04C)

— — — — — — —

ATTENDANT DIRECT EXTENSION SELECTOR CONSOLE

(MODEL 23A1)

MET SETS

DICTATION

EQUIPMENT

— — — — — — — —

PAGING EQUIPMENT (PagePac)

NETWORK

EXTENSION

UNIT

PART OF DIGITAL SWITCH

ZTN78

TIP RING

LINE CP

OR

TN742

ANALOG

LINE CP

	ZTN79
	ATL LINE	CP	TIME
	ATL LINE	CP	TIME
			DIVISION
			MULTIPLEX
			BUS

TN735

MET LINE CP

TN763

AUXILIARY

TRUNK CP

ZTN84

STARLAN

INTERFACE

CP

Figure 3-6. Equipment Connected to System 25 Via the Call Processor and Port

Circuit Packs (Sheet l of 3)

3-11

Image 295

AT&T AT&T manual SINGLE-LINE Voice Terminals

Contents

AT&T System To Order Copies of this Document Refer to Document Number 1987 AT&T All Rights ReservedNotification to the Telephone Company Means of ConnectionRepair Instructions FCC Registration Information Private Line ServiceRights of the Telephone Company Hearing AID CompatibilityFCC Warning Statement Overview Contents SectionOrganization OverviewMerlin System 25 DescriptionSystem 25 Block Diagram Call Handling Capabilities SafetyBusiness Communications Needs Did Incoming Business CommunicationsPDC Outgoing Business Communications Internal Call Movement Data Communications Page Growth & Rearrangement Page Conclusions Smdr List of FiguresStarlan BISSAT LED Interactions Administration RequirementsDescription ConsiderationsFeature Name Type System FeaturesFeature Network FeaturesData Features Feature NameFeature Name SINGLE-LINE Multiline Terminal Button Label † Station FeaturesFeature Name Console Button Label † Type Attendant FeaturesAccount Code Entry Interactions Attendant Call Extending Selector Console optional Interactions Call Coverage/Direct Group Calling DGC If Attendant CAMP-ONNone Attendant Cancel Direct Trunk Attendant Console Attendant CONSOLE, Direct TrunkPosition Busy Dual Console OperationSystem Assign Primary Secondary Attendant Direct Trunk Attendant Console Connections Fixed Buttons Figure Attendant CONSOLE, Switched LoopAttendant Message Waiting Attendant Message Waiting Used by Programmable Feature Buttons FigureDisplay Figure DSSConsole Buttons and Display Switched Loop OperationPlacing a Call on a Loop Button Answering a Call on a Loop ButtonRinging Call TypesCall Originations Attendant FeaturesSwitched Loop Attendant Console Connections Attendant Direct Extension Selection Model 23A1 Attendant Direct Extension Selector Console Considerations Attendant Direct Extension Selector Console Connections Call Information Display Attendant Display V2 Slac OnlyIncoming call from a system user Incoming did callIncoming coverage call Call from console to system user Returning parked callOutgoing trunk call Conference 4 Conference set up by attendantInspection Mode Conference 3Timer Functions Attendant Forced Release V2 Slac Only Join OnlyAttendant Message Waiting Systems with Direct Trunk Attendant Consoles Dtac Systems with Switched Loop Attendant Consoles SlacCall Coverage Administration Requirements Automatic Release Manual ReleaseInteractions Attendant Return Coverage on Busy Administration Requirements Attendant Return Coverage on DON’T Answer Administration Requirements Attendant Source and Destination V2 Slac Only Attendant Splitting ONE-WAY Automatic Systems Technician Automatic Intercom Administration Requirements Automatic Route Selection ARS ARS Flow Chart FRL ARS Routing Pattern TableAutomatic Route Selection Flow Chart Sheet l Automatic Route Selection Flow Chart Sheet 2 0f Considerations ARS Hardware Requirements Automatic Route Selection Routing Pattern BUSY-TO-IDLE Reminder Call Accountability Call Accounting Page Facility Code #190-#199 is identified in this field Call Accounting System CAS CAS Models 200, 300, 500, CAS ModelPage CAS Model Stations Account Codes AT&T Call Accounting SystemsDUR FAC STN Account PDC Date TimeColumn Number Ascii Character Description Valid Position Characters12. Smdr Call Record Header Format Ascii Character Description PositionZ21OA Adapt 15. Smdr Output Equipment -On-Premises Switched Connections 16. Smdr Output Equipment-Off-Premises Direct Connections 17. Smdr Output Equipment-Off-Premises Switched Connections Standard Group Coverage DGC Group Coverage V2 only Page Interactions DGC Group Coverage V2 Only Administration Requirements Standard Group CoverageSent to coverage Administration Requirements DGC Group Coverage V2 OnlyCall COVERAGE-INDIVIDUAL Call Coverage -Group Unanswered Call Following Forwarding Interactions Call Park Considerations Attendant Selector Console Assign Call Park buttons Group Call Pickup Directed Call PickupAdministration Requirements Call Progress Tones Outward Restriction Facility Access RestrictionToll Restriction ARS Restriction Hardware Requirements Voice call V2 only Data call or place Data callHangup Options Current DefaultOptions EXit Change options View optionsOption Definition Partial List of Permissible Data Port TN726 OptionsHost Modem Computer Users 18. Communications Access Manager Architecture Page Single-Line Voice Terminals Multiline Voice Terminals101 102 Extended Stations An103 Switched Loop Attendant ConsolesMultiline Voice Terminals except Slac All Multiline Terminals104 Data Call Setup DTE Devices Data Endpoints106 Ascii Data Terminal With Keyboard Data Terminal Without Ascii Keyboard107 108 Host Computer EndpointAnalog Data Endpoint DCE DevicesData Call Processing Modes Data Endpoint StatesControlling Features Connecting Configurations111 112 Dialed CharactersDialing Correction Pause113 End-to-End SignalingCall Disposition Answering Endpoint114 115 Interactions End-To-End Signaling See above text116 Dial Code AssignmentsDirect Inward Dial did Number Assignments Voice Terminal Directed FeaturesPDC to Voice Terminal Association Data Dial Codes DDCs118 119 20. Dictation System Connections FCC Registered120 21. Digital Tape Unit121 122 123 124 Transfer For125 126 23. Delay Announcement Equipment Connections FCC Registered127 128 129 130 Access to Paging Zones and DGC Groups131 132 133 134 Making a Data Call Activating Expert Mode135 Examples Activating the Third-Party Call Setup FeatureDial User Changeable Options137 Command PECommand MY Interactions Command Mode138 Conference139 140 24. External Alert Connections141 25. Supplemental Alert Adapter ConnectionsBIS and Hfai Voice Terminals Calls Eligible for Hands-Free Service142 Voice Terminals without HFUs Voice Terminals with HFUs143 144 145 500A/502A Headset Adapters146 MET Headset Adapter147 148 149 150 151 152 153 154 Ringing Line Preference Prime Line Preference155 156 Preselection157 L-USE IndicationsLED Indications Use Line Status Meaning Red LED Green LED158 159 160 Console ConfigurationsMessage CENTER-LIKE Operation V2 Slac Only Message Center Call Types161 Call Coverage Message Waiting Attendant Message Waiting162 163 Station-To-Station Message Waiting164 165 Calling Restrictions166 167 168 30. Music-On-Hold Equipment Connections FCC Registered169 31. Music-On-Hold Equipment Connections Non-Registered170 Directed NS171 Trunk-Answer-from-Any-Station172 173 AT&T174 32. Delay Announcement Equipment Connections FCC Registered175 176 177 178 179 180 181 Calls Placed to a PDC182 Calls Placed to a Floating PDC183 Direct Station Selection184 185 186 187 Facility188 189 190 35 B Emergency Transfer Unit ETU 192 36. Emergency Transfer Unit Connections193 37. Multiple ETU Arrangements194 Special CharactersChar Used in Repertory Dialing Numbers CHAR. Used in Personal Speed Dialing NumbersTransmits an actual Char Used in Personal Speed Dialing Numbers195 To Program a Number by Using the Switch To Program a Number by Using a Code196 197 198 199 200 201 202 203 204 205 Speaker S101A/S102A Speakerphone PEC 3163-HFU 4A Speakerphone System207 38. Speakerphone Adjuncts S102A 209210 211 41. Speakerphone Connections For 12-Button MET Sets212 System Speed DialingCHAR.FUNCTION Char Function213 Personal Speed Dialing214 Access System 25 Starlan Network Access Access215 Starlan Interface Circuit Pack Communications Access Manager CAM216 217 Starlan Network View of SystemSystem 25 View of a Starlan Network Calls from System 25 to the Starlan Network218 WiringZTN78 219220 ATL Adapters Administrable ParametersIndividually Administrable default Common Administration default222 Linear Hunting ExampleCircular Hunting Example Combinational Hunting Example223 Call Coverage Station224 225 Centralized Administration226 SAT Connection Information Backspace Return227 228 45. Model 703 System Administration Terminal229 TYPICAL-103A Connection Block 230231 48. SAT On-Premises Switched Connections232 49. SAT Off-Premises Direct Connections233 50. SAT Off-Premises Switched ConnectionsError s System MaintenanceSystem Errors And Alarms Permanent System AlarmsAutomatic Maintenance Tests Error Logs235 236 Tandem TrunkingS c r i p t i o n Trunk Number C o n d A t i o n237 238 TestN s i d e r a t i o ns T e r a c t i o ns239 THIRD-PARTY Call SetupVoice Terminal source Data Terminal source240 Setting Up a Third-Party CallT e r a c t i o ns Call Coverage Expert ModeAdministration Requirements Data Port AT&T Starlan Network Access242 TIE Trunks243 244 TOUCH-TONE and Dial Pulse ServicesTouch-Tone Dial Pads Touch Dial Pads245 T e r a c t i o n s246 247 Data Call Origination Using Transfer to DataTransfer to Data Data Call Preindication248 249 Trunk Groups250 N s i d e r a t i o n sC i l i t y S t r i c t i o n s e e Calling Restrictions251 252 TRUNK-TO-TRUNK TransferUser Changeable Options Definition User Changeable Options253 51. Command Mode Menu Tree Changing Options-General Viewing Options255 EXit Low Changing Data Port Speed256 257 Interactions Expert Mode258 Virtual FacilitiesExamples of Virtual Facility Numbers A R a C T E RF U N C T I O N259 Example Accessing a Virtual Facility260 261 ATL TDMMET List of Tables System 25 Digital Switch Digital SwitchCall Processor Circuit Pack ZTN82 or ZTN128 Common ControlCall Processor ZTN82 or ZTN128 Circuitry Interrupt Level Timing and Control Logic Circuit Memory Circuit Pack ZTN81 or ZTN127TDM Bus Time Slot Generation Not a Timing Diagram Switching NetworkElectrical Characteristics Physical CharacteristicsTime Slot No Function TDM Bus Diagram -Three Cabinet System Port Circuits SINGLE-LINE Voice Terminals SMD Asynchronous Data Unit CAS Call Accounting System Translated, and yellow circuit busy Port Circuit Pack Common Circuitry Ground Start Trunk ZTN76 Unique Ground Start Trunk ZTN76 Circuitry Loop Start Trunk ZTN77 Unique Loop Start Trunk ZTN77 Circuitry 10. Unique Tip Ring Line ZTN78 Circuitry Page Port Circuits ATL Line ZTN7911. Unique ATL Line ZTN79 Circuitry Data Line TN726 12. Unique Data Line TN726 Circuitry MET Line TN735 13. Unique MET Line TN735 Circuitry 14. Unique Analog Line TN742 Circuitry Analog Line TN742Page Did Trunk TN753 15. Unique did Trunk TN753 Circuitry Tie Trunk TN760B 16. Unique Tie Trunk TN760B Circuitry Signaling Transmit Receive Type ON-HOOK OFF-HOOK Signaling Type SummaryTN760B Tie Trunk Preferred Signaling Formats Auxiliary Trunk TN763 18. Unique Auxiliary Trunk TN763 Circuitry Network Starlan Interface ZTN84On-Board Service Circuit ZTN85System Resources SakiPage 19. Service Circuit ZTN85 Tone Detector TN748 20. Tone Detector TN748 Circuit Pooled Modem TN758 Capability Data Module ModePage Memory Allocation Switched Services SoftwareAdministrative Software Maintenance SoftwareMemory Circuit Pack Software PartitioningCall Processor Circuit Pack Step-By-Step Call Description Port Circuit Packs22. System Software Partitioning On the terminal SIP ListHfai ADUMadu System Cabinets J58901A1 Hardware DescriptionSystem 25 Cabinets J58901A-Three Cabinet System System Cabinet J58901A-Rear View Cabinet Address Plug Cabinet 1 Control and Port CircuitsCabinets 2 and 3 Port Circuits System Circuit Pack Configurations Total Port Circuit Packs Per System System Resource Circuit Packs Circuit PacksRequired Circuit Packs Optional Circuit PacksStation Port Circuit Packs Circuit Pack Compatibility Trunk Port Circuit PacksCircuit Pack Features Title Circuit Number Circuit Pack Type Ports System Circuit PacksPFT Voice TerminalsSingle-Line Voice Terminals Model 500 SeriesZTN79 Summary of Voice TerminalsTerminal Circuit Pack Type Model Description Interface 554BMPAMode1 2500 Series Analog Voice Terminals Model 2500 SeriesMode1 7101A Analog Voice Terminal Model 7101A MD PEC 3170-00MSpeakerphone Speakerphone Voice Terminal Single-Line Voice Terminal Connection Information Feature Operations7300H Series Voice Terminals Multiline Voice TerminalsButton Voice Terminal 7302H01D PEC Button Voice Terminal 7302 HOlD Button Voice Terminal 7303H01D PEC Button Voice Terminal 7303HO1D Button Voice Terminal 7305H01D MD PEC Button Voice Terminal 7305HO1D MD For General Use Button Deluxe Voice Terminal 7305H02D PECFor Use as a Direct Trunk Attendant Console 10 -Button Deluxe Voice Terminal 7305H02D Hfai 11. BIS Voice Terminal 7305H03B Feature Buttons only 12 have associated LEDs 12. BIS Voice Terminal with Display 7305H04B For Use as a Switched Loop Attendant ConsolePage 13. Hfai Voice Terminal 7309HO1B Ten Button Multibutton Electronic Telephone MET 2991 C/D05 14. Ten Button MET Set 2991C05 Ten Button MET With Built-In Speakerphone 2993C04 15. Ten Button MET With Built-In Speakerphone 2993C04 Twelve Button MET Set 7203M 16. Twelve Button MET Set 7203M Voice Terminal Adjuncts Multiline Voice Terminal Connection InformationUnit Output For USE with Voice Terminal Adjunct Power SuppliesSupplemental Voice Terminal Power Supplies Voice Terminal Adjunct Connection InformationAsynchronous Data Units AD US 17. Asynchronous Data Unit ADU ADU Connection Information Asynchronous Data Units Unit PEC FeatureZ3A1 Uninterruptible Power Supply Optional Power Equipment346 Modular Bulk Power Supply AC Power Line Surge SuppressorTrunk Access Equipment TAE 18. Trunk Access Equipment TAE Connections 617A Panel Station Interconnect Panel SIPAdapters 19 a Station Interconnect Panel 20. Typical SIP Connections Connectivity Figures 21. On-Premises Single-Line Voice Terminal Connections 22. Out-Of-Building Single-Line Voice Terminal Connections SINGLE-ENDED 25 Pair Cable A25D 7300H Type Voice Terminal Ground Wire 26. Ten Button MET Set Connections TYPICAL- 103A Connecting Block ZTN78 TIP Ring Line CP 103A Connecting Block 30. Typical Madu Connections 31. Z3A1/2/4 ADU Local Power Connections Technical Specifications Total Hardware And Software ParametersHardware And Software Parameters Contd Traffic Data Simultaneous ZTN79 BIS Unit LoadsUnit Loads Note Equipment Circuit Unit Load Pack PER PortCable Distance Limitations Supporting Gauge Wire CircuitPack Feet Meters ZTN78 Pack Feet Meters 5106mmData Terminals RS-232 Connected To Asynchronous Data Units Data Rate Gauge WireFeet Meters Tone Frequency Indicator Lamp SignalsLamp Signal TonesData Terminal Ports Note Station Type Circuit Pack Data Terminal SpecificationsData Requires Z3A1 Terminal Data TerminalsZ3A4 ADU REN DtmfStation Type Circuit Pack Specifications Port Specifications Contd Voice Terminal Ports ContdTrunk Ports Trunk Type Circuit Pack Specifications Ground Start Calling Traffic Recommended Central Office Trunk FacilitiesVoice Light Medium Heavy Terminals Traffic Connection Type Loss Analog Transmission CharacteristicsSignal Level Distortion Level LossSingle Frequency Return Loss Talking State Loop ResistanceConnection Bandwidth 64 Kbits Steady State Noise Level Impulse NoiseFloor Plans And Layouts Environmental RequirementsTypical System 25 Equipment Area Floor Plan Typical System 25 Equipment Area Elevation Plan Wall Space Requirements Temperature and HumidityLighting Air PurityElectrical Noise RFI Single Cabinet System AC Power RequirementsAC Power Distribution Multiple Cabinet System Lightning Protection GroundingPart Parts Listed by PECZ3A5 ATL ADU Merlin VTPart of 62512 62512 62512 Apparatus Code Comcode ZTN7610B ETU MOHZ3A4 ADU NEU PEC Description Apparatus CodeCAM Starlan Network500BMPA PEC Description Apparatus Code ComcodeIrob S C R I P T I O NMerlin Hfai VT Merlin BIS VTCPU/MEM PECComcode PEC Description Parts Listed by ComcodeM C O DE PEC Description Apparatus Code Merlin BIS M C O DE P E C Description Apparatus CodeMerlin Hfai 105341382 1020-S91 AT&T Starlan Network Comcode PEC Description Apparatus CodeSupplementary Material Basic ManualsDescriptions of Basic Manuals User Guides 700 Series Planning ManualReference Manual Terminal Operations ManualAsynchronous Data Transmission AdministerAnalog Voice Terminals AppearanceBridge Bridging Auxiliary EquipmentAuxiliary Trunk Bit Binary DigitCCS Hundred Call Seconds Class of Service COSCommon Control Switching Arrangement Ccsa Bus, Time Division MultiplexCoverage Point ConsoleCoverage Call Coverage PathDigital Data Endpoints Delay-Dial Tie TrunkData Module Data Terminal Equipment DTEForeign Exchange FX FeatureFeature Button Facility physicalIntercept Tone Home Numbering Plan Area Code HnpaImmediate-Start Tie Trunk In-Use LampMultiplexed Multifeature Single-Line Voice TerminalModem Pooling Multilane Voice TerminalPickup Group ParameterPeripheral Equipment Personal Dial CodeQueue Random Access Memory RAMProtocol Public NetworkSplit SwitchSwitchhook SoftwareTone Ringer Wide Area Telecommunications Service WatsTie Trunk Time Division Multiplex BusWrite Operation Service10-1 Index10-2 Line Contd 10-3Starlan Network 10-4