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AT&T AT&T manual Typical System 25 Equipment Area Floor Plan

Models: AT&T

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SYSTEM

CABINETS (FOOTPRINT)

FRONT

NOTE 3

BACKBOARD

TERMINATION

FIELD

(NOTE 4)

TABLE

N O T E S :

1.115V AC, 60 Hz, 15 AMP OUTLETS (HUBBELL 5262 OR EQUIVALENT)

MUST BE LOCATED WITHIN SIX FEET (1.8 m) OF SYSTEM CABINETS.

2.MULTIPLE CABINET SYSTEMS REQUIRE TWO QUAD OUTLETS, SINGLE CABINET SYSTEMS REQUIRE ONE QUAD OUTLET.

3.ALLOW AT LEAST 24 INCHES OF SPACE IN FRONT OF CABINETS. TABLE MUST

BE ABLE TO SUPPORT 250 POUNDS.

4.BACKBOARD IS 3/4 INCHES THICK BY 48 INCHES WIDE BY 72 INCHES LONG

Figure 6-1. Typical System 25 Equipment Area Floor Plan

6 - 2

Image 417

AT&T AT&T manual Typical System 25 Equipment Area Floor Plan

Contents

AT&T System To Order Copies of this Document Refer to Document Number 1987 AT&T All Rights ReservedMeans of Connection Notification to the Telephone CompanyRepair Instructions Rights of the Telephone Company Private Line ServiceHearing AID Compatibility FCC Registration InformationFCC Warning Statement Overview Contents SectionOrganization OverviewMerlin System 25 DescriptionSystem 25 Block Diagram Safety Call Handling CapabilitiesBusiness Communications Needs Incoming Business Communications DidPDC Outgoing Business Communications Internal Call Movement Data Communications Page Growth & Rearrangement Page Conclusions Smdr List of FiguresBIS StarlanSAT LED Description Administration RequirementsConsiderations InteractionsFeature Name Type System FeaturesData Features Network FeaturesFeature Name FeatureFeature 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 did call Incoming call from a system userIncoming coverage call Returning parked call Call from console to system userOutgoing trunk call Inspection Mode Conference set up by attendantConference 3 Conference 4Timer 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 Facility Access Restriction Outward RestrictionToll Restriction ARS Restriction Hardware Requirements Voice call V2 only Data call or place Data callOptions Options Current DefaultEXit Change options View options HangupOption Definition Partial List of Permissible Data Port TN726 OptionsHost Modem Computer Users 18. Communications Access Manager Architecture Page Multiline Voice Terminals Single-Line Voice Terminals101 102 Extended Stations AnMultiline Voice Terminals except Slac Switched Loop Attendant ConsolesAll Multiline Terminals 103104 Data Call Setup Data Endpoints DTE Devices106 Data Terminal Without Ascii Keyboard Ascii Data Terminal With Keyboard107 Analog Data Endpoint Host Computer EndpointDCE Devices 108Data Call Processing Modes Data Endpoint StatesControlling Features Connecting Configurations111 Dialing Correction Dialed CharactersPause 112Call Disposition End-to-End SignalingAnswering Endpoint 113114 115 Interactions End-To-End Signaling See above text116 Dial Code AssignmentsPDC to Voice Terminal Association Voice Terminal Directed FeaturesData Dial Codes DDCs Direct Inward Dial did Number Assignments118 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 Activating Expert Mode Making a Data Call135 Dial Activating the Third-Party Call Setup FeatureUser Changeable Options ExamplesCommand MY Command PEInteractions Command Mode 137138 Conference139 140 24. External Alert Connections141 25. Supplemental Alert Adapter ConnectionsCalls Eligible for Hands-Free Service BIS and Hfai Voice Terminals142 Voice Terminals with HFUs Voice Terminals without HFUs143 144 145 500A/502A Headset Adapters146 MET Headset Adapter147 148 149 150 151 152 153 154 Prime Line Preference Ringing Line Preference155 156 PreselectionLED Indications L-USE IndicationsUse Line Status Meaning Red LED Green LED 157158 159 Message CENTER-LIKE Operation V2 Slac Only Console ConfigurationsMessage Center Call Types 160161 Attendant Message Waiting Call Coverage 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 ArrangementsChar Used in Repertory Dialing Numbers Special CharactersCHAR. Used in Personal Speed Dialing Numbers 194Char Used in Personal Speed Dialing Numbers Transmits an actual195 To Program a Number by Using a Code To Program a Number by Using the Switch196 197 198 199 200 201 202 203 204 205 Speaker 4A Speakerphone System S101A/S102A Speakerphone PEC 3163-HFU207 38. Speakerphone Adjuncts S102A 209210 211 41. Speakerphone Connections For 12-Button MET SetsCHAR.FUNCTION System Speed DialingChar Function 212213 Personal Speed Dialing214 System 25 Starlan Network Access Access Access215 Communications Access Manager CAM Starlan Interface Circuit Pack216 System 25 View of a Starlan Network Starlan Network View of SystemCalls from System 25 to the Starlan Network 217218 WiringZTN78 219220 Individually Administrable default Administrable ParametersCommon Administration default ATL AdaptersCircular Hunting Example Linear Hunting ExampleCombinational Hunting Example 222223 Call Coverage Station224 225 Centralized Administration226 Backspace Return SAT Connection Information227 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 ConnectionsSystem Errors And Alarms System MaintenancePermanent System Alarms Error sError Logs Automatic Maintenance Tests235 S c r i p t i o n Tandem TrunkingTrunk Number C o n d A t i o n 236237 N s i d e r a t i o ns TestT e r a c t i o ns 238Voice Terminal source THIRD-PARTY Call SetupData Terminal source 239240 Setting Up a Third-Party CallAdministration Requirements Data Port Expert ModeAT&T Starlan Network Access T e r a c t i o ns Call Coverage242 TIE Trunks243 Touch-Tone Dial Pads TOUCH-TONE and Dial Pulse ServicesTouch Dial Pads 244245 T e r a c t i o n s246 Transfer to Data Data Call Origination Using Transfer to DataData Call Preindication 247248 249 Trunk GroupsC i l i t y N s i d e r a t i o n sS t r i c t i o n s e e Calling Restrictions 250251 252 TRUNK-TO-TRUNK TransferUser Changeable Options User Changeable Options Definition253 51. Command Mode Menu Tree Viewing Options Changing Options-General255 Changing Data Port Speed EXit Low256 257 Interactions Expert Mode258 Virtual FacilitiesA R a C T E RF U N C T I O N Examples of Virtual Facility Numbers259 Accessing a Virtual Facility Example260 261 TDM ATLMET 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 Type Summary Signaling Transmit Receive Type ON-HOOK OFF-HOOKTN760B Tie Trunk Preferred Signaling Formats Auxiliary Trunk TN763 18. Unique Auxiliary Trunk TN763 Circuitry Network Starlan Interface ZTN84System Resources Service Circuit ZTN85Saki On-BoardPage 19. Service Circuit ZTN85 Tone Detector TN748 20. Tone Detector TN748 Circuit Pooled Modem TN758 Capability Data Module ModePage Administrative Software Switched Services SoftwareMaintenance Software Memory AllocationSoftware Partitioning Memory Circuit PackCall Processor Circuit Pack Step-By-Step Call Description Port Circuit Packs22. System Software Partitioning On the terminal Hfai ListADU SIPMadu System Cabinets J58901A1 Hardware DescriptionSystem 25 Cabinets J58901A-Three Cabinet System System Cabinet J58901A-Rear View Cabinet 1 Control and Port Circuits Cabinet Address PlugCabinets 2 and 3 Port Circuits System Circuit Pack Configurations Total Port Circuit Packs Per System Required Circuit Packs Circuit PacksOptional Circuit Packs System Resource Circuit PacksStation Port Circuit Packs Circuit Pack Compatibility Trunk Port Circuit PacksCircuit Pack Features Title Circuit Number Circuit Pack Type Ports System Circuit PacksSingle-Line Voice Terminals Voice TerminalsModel 500 Series PFTTerminal Circuit Pack Type Model Description Interface Summary of Voice Terminals554BMPA ZTN79Mode1 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 Button Deluxe Voice Terminal 7305H02D PEC For General UseFor 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 InformationSupplemental Voice Terminal Power Supplies Voice Terminal Adjunct Power SuppliesVoice Terminal Adjunct Connection Information Unit Output For USE withAsynchronous Data Units AD US 17. Asynchronous Data Unit ADU ADU Connection Information Unit PEC Feature Asynchronous Data UnitsZ3A1 Uninterruptible Power Supply Optional Power EquipmentAC Power Line Surge Suppressor 346 Modular Bulk Power SupplyTrunk Access Equipment TAE 18. Trunk Access Equipment TAE Connections Station Interconnect Panel SIP 617A PanelAdapters 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 Unit Loads Note Unit LoadsEquipment Circuit Unit Load Pack PER Port ZTN79 BISSupporting Gauge Wire Circuit Cable Distance LimitationsPack Feet Meters ZTN78 Pack Feet Meters 5106mmData Rate Gauge Wire Data Terminals RS-232 Connected To Asynchronous Data UnitsFeet Meters Lamp Signal Indicator Lamp SignalsTones Tone FrequencyData Terminal Ports Note Station Type Circuit Pack Data Terminal SpecificationsData Terminals Data Requires Z3A1 TerminalZ3A4 ADU REN DtmfStation Type Circuit Pack Specifications Port Specifications Contd Voice Terminal Ports ContdTrunk Ports Trunk Type Circuit Pack Specifications Ground Start Recommended Central Office Trunk Facilities Calling TrafficVoice Light Medium Heavy Terminals Traffic Signal Level Distortion Level Analog Transmission CharacteristicsLoss Connection Type LossConnection Bandwidth 64 Kbits Steady State Noise Level Loop ResistanceImpulse Noise Single Frequency Return Loss Talking StateFloor Plans And Layouts Environmental RequirementsTypical System 25 Equipment Area Floor Plan Typical System 25 Equipment Area Elevation Plan Wall Space Requirements Temperature and HumidityAir Purity LightingElectrical Noise RFI Single Cabinet System AC Power RequirementsAC Power Distribution Multiple Cabinet System Lightning Protection GroundingPart Parts Listed by PECPart of 62512 62512 62512 Merlin VTApparatus Code Comcode ZTN76 Z3A5 ATL ADUMOH 10B ETUZ3A4 ADU CAM PEC Description Apparatus CodeStarlan Network NEU500BMPA PEC Description Apparatus Code ComcodeMerlin Hfai VT S C R I P T I O NMerlin BIS VT IrobCPU/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 Reference Manual Planning ManualTerminal Operations Manual User Guides 700 SeriesAnalog Voice Terminals AdministerAppearance Asynchronous Data TransmissionAuxiliary Trunk Auxiliary EquipmentBit Binary Digit Bridge BridgingCommon Control Switching Arrangement Ccsa Class of Service COSBus, Time Division Multiplex CCS Hundred Call SecondsCoverage Call ConsoleCoverage Path Coverage PointData Module Delay-Dial Tie TrunkData Terminal Equipment DTE Digital Data EndpointsFeature Button FeatureFacility physical Foreign Exchange FXImmediate-Start Tie Trunk Home Numbering Plan Area Code HnpaIn-Use Lamp Intercept ToneModem Pooling Multifeature Single-Line Voice TerminalMultilane Voice Terminal MultiplexedPeripheral Equipment ParameterPersonal Dial Code Pickup GroupProtocol Random Access Memory RAMPublic Network QueueSwitchhook SwitchSoftware SplitTie Trunk Wide Area Telecommunications Service WatsTime Division Multiplex Bus Tone RingerWrite Operation Service10-1 Index10-2 Line Contd 10-3Starlan Network 10-4