AT&T DEFINITY 7100 series Instrukcja Użytkownika Strona 1

Przeglądaj online lub pobierz Instrukcja Użytkownika dla Networking AT&T DEFINITY 7100 series. AT&T - PDF Text Files Instrukcja obsługi

  • Pobierz
  • Dodaj do moich podręczników
  • Drukuj
  • Strona
    / 111
  • Spis treści
  • BOOKMARKI
  • Oceniono. / 5. Na podstawie oceny klientów
Przeglądanie stron 0
AT&T
AT&T 555-230-205
Issue 1
July 1993
DEFINITY
®
Communications System
Generic 3
Pocket Reference
Przeglądanie stron 0
1 2 3 4 5 6 ... 110 111

Podsumowanie treści

Strona 1 - AT&T

AT&TAT&T 555-230-205Issue 1July 1993DEFINITY® Communications SystemGeneric 3Pocket Reference

Strona 2

FEDERAL COMMUNICATIONS COMMISSION (FCC) INFORMATION—FEDERAL COMMUNICATIONS COMMISSION(FCC) INFORMATIONThe system FCC registration number is AS593M-13

Strona 3

MAXIMUM CABLING DISTANCESPPN CABINET TO EPN CABINETMAXIMUM CABLING DISTANCESThe maximum length of the fiber-optic cable between the PPNcabinet and the

Strona 4

PROTOCOLSPROTOCOLSProtocolDCPEIA RS-232CDS1EIA RS-449ApplicationsDigital Switch to DataEndpointsPDM to APSwitch to Admin. Term.PDM to Host ComputerAP

Strona 5

PROTOCOLSProtocolSSIBISYNCBX.25SDCPIEIA RS-366V.35Category ACoaxialApplicationsMax. DataMax.RateDistance(kbps) (Feet)500 BCT to AP 56.0 5000 (1524m)40

Strona 6 - INTRODUCTION

PROTOCOLSMax.ProtocolApplicationsDataMax.RateDistance(kbps)(Feet)ISDN-PRI Communication Interface64* 655 (199.3m)to ISDN Interfaceto Networkor Repeate

Strona 7 - SYSTEMS OVERVIEW

TRUNK SPECIFICATIONSTRUNK SPECIFICATIONSLetters have been left off at the end of the circuit pack specifica-tions (for example, TN767B is called simpl

Strona 8 - DESIGN BENEFITS

TRUNK SPECIFICATIONSTRUNK CIRCUIT SPECIFICATIONSTYPEPACKCentralTN747Capacity:8 CircuitsOffice (CO)Transmission: 1-Way In, 1-Way Out, or2-Way 2-Wire 60

Strona 9

TRUNK SPECIFICATIONSTRUNKCIRCUITSPECIFICATIONSTYPEPACKISDN PRITN767Capacity: 24 Trunks for Voice GradeDS1 InterfaceService 23 Trunks for AlternateVoic

Strona 10 - (FCC) INFORMATION

REFERENCESREFERENCESAn abbreviated listing of documents for DEFINITY CommunicationsSystem Generic 1 and Generic 3 is given on the following pages.Docu

Strona 11 - FEATURES

REFERENCESDocumentDocumentNumberTitle555-204-105 DEFINITYCommunications SystemGeneric 3i/s/vsMaintenance Manual555-230-105DEFINITYCommunications Syste

Strona 12

REFERENCESDocumentDocumentNumberTitle555-230-496DEFINITYCommunications SystemGeneric 3 Version 2Capabilities555-025-107DEFINITYCommunications SystemGe

Strona 13

FEATURESThe following table lists features available with each G3 system.The following notation is used to indicate feature availability:LEGEND:SON/AV

Strona 14

REFERENCESDocumentDocumentNumberTitle555-230-722DEFINITYCommunications SystemGeneric 1 andGeneric 3ACD Agent555-230-724DEFINITYCommunications SystemGe

Strona 15

NOTES:NOTES:106

Strona 16

FEATURESG3vsG3vsG3sG3sFeatureABPPBPABP PBP G3i G3rAAR/ARS PartitioningSSS SS SAAR/ARS Digit ConversionO OO OSSAbandoned Call Search SSS SSSAbbreviated

Strona 17

FEATURESFeatureAttendant DirectExtension SelectionWith Busy Lamp FieldAttendant DirectGroup SelectionAttendant DisplayAttendant Intrusion(Call Offer)A

Strona 18

FEATURESFeatureACD Auto-AvailableSplit (AAS)Automatic CircuitAssuranceAutomatic HoldAutomatic IncomingCall DisplayAutomatic RouteSelection (ARS)Automa

Strona 19

FEATURESFeatureCall DetailRecording (CDR)Call ForwardingAll CallsCall ManagementSystem (CMS)Call ParkCall PickupCall PromptingCall VectoringCallVisorA

Strona 20

FEATURESFeatureConsultCoverage CallbackCoverage Incoming CallIdentification (ICI)Customer-ProvidedEquipment (CPE) AlarmData Call SetupData Hot LineDat

Strona 21

FEATURESG3vsG3vsG3sG3sFeatureABPPBPABPPBP G3iG3rDCS DistinctiveN/AO10N/AO10O10O10RingingDCS Leave WordN/AO10N/AO10O10O10CallingDCS Multi-AppearanceN/A

Strona 22

FEATURESG3vsG3vsG3s G3sFeatureABP PBPABP PBP G3i G3rE1 Trunk ServiceV2 V2 V2 V2 GD V2EIA InterfaceSSSSS SEmergency AccessSSS S S Sto the AttendantEnha

Strona 23

FEATURESFeatureInformation SystemNetwork (ISN) InterfaceIntegrated DirectoryIntegrated ServicesDigital Network —Basic Rate InterfaceIntegrated Service

Strona 24

©1992 AT&TAll Rights ReservedPrinted in USAWhile reasonable effort was made to ensure that the informationin this document was complete and accura

Strona 25

FEATURESG3vsG3vsG3sG3sFeatureABP PBPABPPBP G3iG3rManual OriginatingSS SSS SLine ServiceManual SignalingS S S S S:SMERLIN®/System 25S S SSSV2— Voice T

Strona 26

FEATURESFeatureOff-Premises StationPC InterfacePC/PBX ConnectionPersonal CentralOffice Line (PCOL)Personalized RingingPower FailureTransferPriority Ca

Strona 27

FEATURESFeatureRestriction —Miscellaneous TrunkRestriction — TollRestriction — VoiceTerminal—InwardRestriction — VoiceTerminal —Manual TerminatingLine

Strona 28

FEATURESG3vsG3vs G3sG3sFeatureABP PBPABP PBP G3iG3rSystem Status ReportS S S S S STemporary BridgedSS S S S SAppearanceTerminal TranslationV2 V2 V2 V2

Strona 29

FEATURESFeatureUnrestricted UniformDial Plan (UDP)Visually Impaired Atten-dantServices (VIAS)Voice Message RetrievalVoice ResponseIntegrationVoice Ter

Strona 30

FEATURESThe following table describes which features require additional hardware.FeatureAbandoned Call SearchAbbreviated DialingACCUNET® ServiceAdmini

Strona 31

FEATURESFeatureAudio InformationExchange (AUDIX)Automatic Call Distr-bution (ACD)Automatic CircuitAssuranceAutomatic IncomingCall DisplayAutomatic Rou

Strona 32

FEATURESFeatureAutomatic WakeupBCMSCall-by-Call ServiceSelectionHardwareIf voice prompting is used, a TN725B voicesynthesizer circuit pack is required

Strona 33

FEATURESFeatureCall Detail Recording(CDR)Call PromptingCallVisor® ASAI inter-faceHardwareHardware requirements depend on the type ofoutput device used

Strona 34

FEATURESFeatureCentralized AttendantService (CAS) (Branchor Main)Code Calling AccessData Call SetupHardwareA TN760D tie trunk circuit pack is used.Eit

Strona 35

TRADEMARK NOTICEDEFINITY, DIMENSION, MEGACOM, ST, and TELESEER areregistered trademarks of AT&T.AUDIX and CALLVISOR are trademarks of AT&T.AUD

Strona 36

FEATURESFeatureData Call Setup (continued)Data-Only Off-PremisesExtensionsDistributed Communica-tions System (DCS)FeaturesDigital Multiplexed Interfac

Strona 37 - SYSTEM PARAMETERS

FEATURESFeatureDirect Department Callingand Uniform Call Distribution(continued)Direct Inward Dialing (DID)Direct Outward Dialing (DOD)Do Not DisturbD

Strona 38

FEATURESFeatureIntercept TreatmentInter-PBX Attendant CallsLoudspeaker Paging AccessHardwareAnnouncement equipment and one port on aTN742, TN746B or T

Strona 39

FEATURESFeatureMalicious Call Trace (MCT)Modem PoolingMove Agents From CMSMusic-on-Hold AccessNames RegistrationNetwork Access - PrivateNetwork Access

Strona 40

FEATURESFeatureNight ServiceOff-Premises StationPC PBX ConnectionPersonal Central OfficeLinePower Failure TransferHardwareA ringing device and one por

Strona 41

FEATURESFeatureProperty Management SystemQueue Status IndicationRecorded AnnouncementRecorded Telephone DictationAccesson the type of machine, one por

Strona 42

FEATURESFeatureReportScheduler/SystemPrinterStation Message DetailRecording (SMDR)Subnet TrunkingUniform Dial PlanVoice Message RetrievalVoice Termina

Strona 43

SYSTEM PARAMETERSSYSTEM PARAMETERSThe following table describes maximum system capacities for allGeneric 3 Version 2 systems.Note:Not all features are

Strona 44

SYSTEM PARAMETERSITEMG3iV1.1- G3vsV2G3sV2G3iV2-G3rV2286ABP/PBP ABP/PBP386Abbreviated Dialing (AD)AD Lists Per System1,6002002002,4005,000AD List Entry

Strona 45

SYSTEM PARAMETERSITEMARS/AAR (2) (3)AAR/ARS Patterns (Shared)ARS/AAR Table Entries(NPA,NXX,RXX,HNPA,FNPA)Choices per RHNPA TableDigit Conversion Entri

Strona 46

ContentsINTRODUCTION 1SYSTEMS OVERVIEW 2DESIGN BENEFITS 3FEDERAL COMMUNICATIONS COMMISSION(FCC) INFORMATION 5FEATURES6SYSTEM PARAMETERS SYSTEM CABINET

Strona 47

SYSTEM PARAMETERSITEMG3iV1.1-G3vsV2G3sV2G3iV2-G3rV2286ABP/PBP ABP/PBP386Attendant ServiceAttendant Consoles(day:night)(5)15:1 4:1 6:115:1 27:1Attendan

Strona 48

SYSTEM PARAMETERSITEMG3iV1.1-G3vsV2G3sV2G3iV2-G3rV2286ABP/PBPABP/PBP386Remote Access Barrier Codes 1010101010CDR Forced Entry Account1NA/1 NA/11 1Code

Strona 49

SYSTEM PARAMETERSITEMG3iV1.1-G3vsV2G3sV2G3rV2286ABP/PBPABP/PBPInter-Port Network ConnectivityPort Networks3 11 322Max No. of Port Networks/Cabinet1 1

Strona 50

SYSTEM PARAMETERSITEMG3iV1.1-G3vsV2G3sV2G3iV2-G3rV2286ABP/PBP ABP/PBP386Coverage Paths600150 1506007,500With Hospitality Parameter Reduction5NA/5NA/55

Strona 51

SYSTEM PARAMETERSITEMG3iV1.1- G3vsV2G3sV2G3iV2-G3rV2286ABP/PBP ABP/PBP386Call Vectoring/Call PromptingExpert Agent SelectionSkill GroupsNA NA/24NA/249

Strona 52

SYSTEM PARAMETERSITEMG3iV1.1-G3vsV2G3sV2G3iV2-G3rV2286ABP/PBP ABP/PBPConference Parties66 6 6 6Simultaneous three-way Conf.4831611614833,542Calls (16)

Strona 53

SYSTEM PARAMETERSITEMMin Extension SizeMiscellaneous Extensions (20)NamesNo. of names (21)No. of characters in a nameNon-DID LDNsPrefix ExtensionsTrun

Strona 54

SYSTEM PARAMETERSITEMG3iV1.1-G3vsV2G3sV2G3iV2-G3rV2286ABP/PBP ABP/PBPMeasured ACD Agents (SwitchLimits)Agents Logged in per System400150150 5005200Log

Strona 55 - CONFIGURATIONS

SYSTEM PARAMETERSITEMG3iV1.1 - G3vsV2G3sV2G3iV2-G3rV2286ABP/PBPABP/PBP386Remote Message WaitingIndicatorsPer Extension80 80 808080Per System8080 80805

Strona 56 - SYSTEM CABINET CONFIGURATIONS

SYSTEM PARAMETERSITEMG3iV1.1-G3vsV2G3sV2G3iV2-G3rV2286 ABP/PBPABP/PBP 386Personal CO Lines (PCOL)PCOL Appearances4 4 4416PCOL Lines (Trunk Groups)4015

Strona 57 - CIRCUIT PACKS

ENVIRONMENTAL REQUIREMENTSMAXIMUM CABLING DISTANCES9092PPN CABINET TO EPN CABINET MAXIMUMCABLING DISTANCES95PROTOCOLS96TRUNK SPECIFICATIONSREFERENCES9

Strona 58

SYSTEM PARAMETERS256ITEMG3iV1.1- G3vsV2G3sV2G3iV2-G3rV2286ABP/PBP ABP/PBP386Calls Connected per Annc.Integrated Annc. or Aux. Trunk55525 255Analog Por

Strona 59

SYSTEM PARAMETERSITEMG3iV1.1-G3vsV2G3sV2G3iV2-G3rV2286 ABP/PBPABP/PBP386Total Slots (27) 1536512 5121,53611,264Time Slots for Voice & Data (28)144

Strona 60

SYSTEM PARAMETERSSince the SCC can only support one PI board, a total offour physical links (used for BX.25 or PRI) are available inthe SCC 286 and Me

Strona 61

SYSTEM PARAMETERS286ITEM G3iV1.1-G3vsV2G3sV2G3iV2-G3rV2ABP/PBPABP/PBP386TSCs in System656NA/164NA/1646564,256Call Associated TSCs400 NA/100NA/1004,000

Strona 62

SYSTEM PARAMETERS33.In G3, “Station Button Capacity (units)‘replaces’ Maximum Button Modules.”The following examples show how these unitscan be used.

Strona 63 - CONTROL CIRCUIT PACKS

SYSTEM CABINET CONFIGURATIONSSYSTEM CABINETCONFIGURATIONSA G3iV2 system configuration can consist of a PPN alone or a PPNwith up to two EPNs. A G3rV2

Strona 64

SYSTEM CABINET CONFIGURATIONSSCC PPN with SCC EPN - G3iV2SCC PPN with SCC EPNs (max. of 2 EPNs) - G3iV2 only●●Configurations for a system with duplica

Strona 65

CIRCUIT PACKSCIRCUIT PACKSThe following table lists the circuit packs for the G3sV2 and G3iV2.Code Name TypeNoneDEFINITY AUDIX System Port631DA1 Power

Strona 66

CIRCUIT PACKSCodeName TypeTN458Tie Trunk PortTN459B DID TrunkPortTN464C DS1/E1 InterfacePortTN464D DS1/E1PortTN465CO Trunk PortTN467, TN468BAnalog Lin

Strona 67 - Memory TN1650B (G3rV2)

CIRCUIT PACKSCodeNameTypeTN760D Tie Trunk PortTN762BHybrid Line PortTN763B, C, DAuxiliary TrunkPortTN765Processor InterfaceControlTN767B DS1/E1 Inter

Strona 68 - Packet Control TN778 (G3iV2)

INTRODUCTIONINTRODUCTIONThe Pocket Reference is intended to be used as a quick referencefor the following systems:●●DEFINITY® Communications System Ge

Strona 69 - Packet Gateway TN577 (G3rV2)

CIRCUIT PACKSThe following table lists the circuit packs for the G3rV2.CodeNameNoneDEFINITY AUDIX SystemTypePortPower631DA1Power Unit (AC)631DB1Power

Strona 70 - Processor UN331B (G3rV2)

CIRCUIT PACKSCode NameTypeTN746, B Analog LinePortTN747B CO TrunkPortTN748C, D Tone DetectorServiceTN750, B Announcement ServiceTN753DID Trunk PortTN7

Strona 71

CIRCUIT PACKSCode Name TypeTN1656Tape DriveControlTN1657Disk DriveControlUN330BDuplicaton InterfaceControlUN331BProcessorControlUN332 Mass Storage/Net

Strona 72 - Tone-Clock TN780 (G3V2)

CONTROL CIRCUIT PACKSCONTROL CIRCUIT PACKSCall Classifier TN744 (G3V2)Provides 8 ports for touch-tone reception and call classification. Itis required

Strona 73 - (single-carrier cabinet)

CONTROL CIRCUIT PACKSDuplication Interface TN772 (G3iV2)Selects the active processing element (control complex) in a dupli-cated system and coordinate

Strona 74 - PORT CIRCUIT PACKS

CONTROL CIRCUIT PACKSExpansion Interface TN776 (G3iV2)Provides for the extension of the TDM bus from the PPN cabinet tothe TDM bus of the EPN cabinet.

Strona 75

CONTROL CIRCUIT PACKSTerminates the fiber optic link(s) between the PPN cabinet and theEPN cabinet.Maintenance TN775 (G3sV2, G3vsV2, G3iV2)The TN775B

Strona 76

CONTROL CIRCUIT PACKS●ISDN-PRI testing, which makes test calls that originateand terminate loop-back tests on the ISDN facilities. Itprovides bit and

Strona 77

CONTROL CIRCUIT PACKSNetwork Control TN777B (G3sV2, G3vsV2,G3iV2)The TN777B provides the following functions●●Communicates control channel messages be

Strona 78

CONTROL CIRCUIT PACKSPacket Data Line TN553 (G3rV2)In conjunction with a TN726B circuit pack, provides connections tosystem ports.Packet Gateway TN577

Strona 79 - Announcement TN750 or TN750B

SYSTEMS OVERVIEW ● ● ● ● ● ● ● ● ● ●SYSTEMS OVERVIEWThis document describes four types of DEFINITY systems:DEFINITY Communications System Generic 3s V

Strona 80 - Auxiliary Trunk (TN417) —

● ● ● ● ●CONTROL CIRCUIT PACKSProcessor (TN786B) (G3vsV2, G3sV2, G3iV2)The TN786B provides the means for storing and executing thesoftware which oper

Strona 81 - CO Trunk TN747 or TN747B or C

CONTROL CIRCUIT PACKSSwitch Node Interface TN573 (G3rV2)Terminates a fiber-optic link from a Switch Node Interface (SNI) in aswitch node to:●●●SNI in

Strona 82 - Data Line (EIA) TN726

CONTROL CIRCUIT PACKSTape Drive TN1656The TN1656 stores the software information for the system. It con-tains a tape drive that provides 120 Mb of sto

Strona 83

CONTROL CIRCUIT PACKSTone Detector (TN420C) —non-US InstallationsThe TN420C can be administered to detect and analyze tones onthe TDM bus. The TN420C

Strona 84 - Digital Line TN754 or TN754B

PORT CIRCUIT PACKSPORT CIRCUIT PACKSAnalog Line (8-port)Analog Line (8-port)Analog Line (8-port)Analog Line (8-port)Analog Line (16 port)Analog Line (

Strona 85 - DS1 Tie Trunk TN722B

PORT CIRCUIT PACKSMET LinePooled ModemSpeech SynthesizerSpeech SynthesizerSpeech SynthesizerTie TrunkTie TrunkTie TrunkTie TrunkTie TrunkTie TrunkTN73

Strona 86 - Line TN735

PORT CIRCUIT PACKSAnalog Line (TN467) — non-US InstallationsThe TN467 provides eight ports for an interface between analogvoice terminals and the TDM

Strona 87

PORT CIRCUIT PACKSAnalog LineCircuit PacksFeatureTN742TN769Number of Ports88Neon Message Waiting IndicatorsYesNoLED Terminals Yes YesFeed Voltage-48

Strona 88

PORT CIRCUIT PACKSAnalog LineCircuit PacksFeatureTN746TN746BTN479Number of Ports 1616 16Neon MessageWaiting IndicatorsYesYes YesLED Terminals Yes YesY

Strona 89 - Tie Trunk TN760D

PORT CIRCUIT PACKSAnalog Line (TN2135) — non-US InstallationsThe TN2135 provides 16 analog line ports and ground keydetection. Each port has tip and r

Strona 90 - INTERFACE CIRCUIT PACKS

DESIGN BENEFITSDESIGN BENEFITSSystem management permits user friendly design, implementation,and administration by the customerMultiple Port Network—T

Strona 91 - POWER UNITS

PORT CIRCUIT PACKSAuxiliary Trunk (TN417) —non-US InstallationsThe TN417 provides four ports for on-premises trunk applicationssuch as Music-on-Hold,

Strona 92 - 676B Power Unit

PORT CIRCUIT PACKSCO Trunk (TN447) — non-US InstallationsThe TN447 provides eight analog CO trunk ports. Each port has tipand ring signal leads and co

Strona 93 - DUPLICATION OPTION

PORT CIRCUIT PACKSCO Trunk (TN2138) — non-US InstallationsThe TN2138 provides eight analog CO trunk ports. Each port hastip and ring signal leads. The

Strona 94

PORT CIRCUIT PACKSDID Trunk (TN436B) — non-US InstallationsThe TN436B provides eight ports that independently connect to apublic network. Each port is

Strona 95 - ENVIRONMENTAL REQUIREMENTS

PORT CIRCUIT PACKSDID Trunk (TN2146) — non-US InstallationsThe TN2146 provides eight analog DID trunk ports. Each port hastip and ring signal leads. T

Strona 96

PORT CIRCUIT PACKSDigital Service (DS1) Converter TN574(G3rV2)The TN574 in a port network terminates communication carriedacross a T1 facility from an

Strona 97

PORT CIRCUIT PACKSDS1 Interface Universal TN464The TN464 acts as a DS1 interface and an ISDN-PRI interface. Itcan be installed in any port slot in the

Strona 98

PORT CIRCUIT PACKSPooled Modem TN758Provides two conversion resources ports (such as a trunk datamodule) for switched connections between digital data

Strona 99

PORT CIRCUIT PACKSTie Trunk (TN437) — non-US InstallationsThe TN437 provides four ports for four-wire E&M lead signaling tietrunks. The TN437 has

Strona 100 - MAXIMUM CABLING DISTANCES

PORT CIRCUIT PACKSTie Trunk TN760DHas four ports used for Type 1 or Type 5 four-wire E&M lead signal-ing tie trunks. These trunks can be automatic

Strona 101 - PROTOCOLS

DESIGN BENEFITSIntegrated voice/data switching of voice and data at rates up to 64kbpsDigital TDM — Dual 2.048 MHz buses with distributed processingdo

Strona 102

INTERFACE CIRCUIT PACKSINTERFACE CIRCUIT PACKSProcessor Interface TN765 (G3sV2, G3vsV2,and G3iV2)Provides four data links to interface to the 3B2 Mess

Strona 103

POWER UNITSPOWER UNITS631DA1 Power UnitProvides +5 volt DC 60-amp power on the backplane on the controlcarrier and the port carriers.631DB1 Power Unit

Strona 104 - TRUNK SPECIFICATIONS

POWER UNITSTN755B Power UnitSupports applications requiring neon message waiting lamps.676B Power UnitProvides +5 volt DC power, -5 volt DC power, -48

Strona 105

DUPLICATION OPTIONDUPLICATION OPTIONG3iV2, the Duplication Option provides:●A duplicated control carrier (multicarrier cabinet) or aduplicated control

Strona 106

DUPLICATION OPTION ● ●Port networks interconnected by single cablesDuplicate switch node circuit packs in the switch nodecarrierIn a fully-duplicated

Strona 107 - REFERENCES

ENVIRONMENTAL REQUIREMENTSENVIRONMENTAL REQUIREMENTS(Multicarrier Cabinet)CABINETFully Loaded 5-Carrier (PPN or EPN)HEAT DISSIPATION8000 BTU/HR5000 BT

Strona 108

ENVIRONMENTAL REQUIREMENTSEach Port or Expansion125 Lbs 19”x27”x22”HEAT DISSIPATION6800 BTU/HRFully Loaded 4-CabinetSystem (requirementsare same for P

Strona 109

MAXIMUM CABLING DISTANCESMAXIMUM CABLING DISTANCESEquipment 24-Gauge Wire 26-Gauge Wire(0.5106 mm)(0.4049 mm)Feet Meters Feet MetersAttendant console

Strona 110

MAXIMUM CABLING DISTANCESEquipmentEIA interface (data line circuitpack and ADU):19.2 kbps9.6 kbps4.8 kbps2.4 kbps1.2 kbps0.3 kbpsVoice terminals:Analo

Strona 111

MAXIMUM CABLING DISTANCESEquipmentMetersISDN (TN556) (note 5)7500 series (point-to-point)Termination resistor (3 feet)Termination resistor (250 feet)8

Komentarze do niniejszej Instrukcji

Brak uwag