Black Box 3600 MODEM manual Chapter Maintenance, General, Fuse Replacement

Page 193

Chapter 12

Maintenance

Warning

Disconnect power before performing maintenance. Although dangerous voltage levels are not exposed, disconnecting power ensures that no electric shock hazard is present.

General

The modem contains no internal electronic components that can be serviced or replaced by the user. Repairs should not be attempted by the user.

Fuse Replacement

If a fuse fails, replace it with one of equal rating. Repeated failure indicates a more serious problem.

Maintenance

The modem provides maintenance-free service. Periodically it is advisable to remove dust that has collected on internal components. If attempting to clean the modem, remove dust with a soft bristle brush and low pressure air or vacuum.

Before attempting diagnostic tests, verify that all connectors and plugs are firmly inserted. The test procedures identify the faulty component in a bad communications link.

Modem 3600

12-1

Image 193

Contents 3600 Trademarks $2334253/426 #$%&*+ #$%&,+ $$$ $$$$ $&% $$% $%%-% $&% % %&$ $ !+ #**# # 3! #41% #**# # 3! #41%&, +2 #4!# 3C $ 35 F + *&*A1 $ @ $A = 01BB Page $%% $ +,-*./0 1 **-*2**,3/0 Page Page Page Page #26 Page Page Page 555,5,65E##E%E% % Page #5 S7-# Shelf-Mount Units Chapter IntroductionData Mode FeaturesSoftware Fax ModeCommunications Software Class 1 Fax Communications Software Internet BrowserFunctional DescriptionPhysical Rear Panel 115 Vac Model Card Version of the Modem Modem 3600 CardMounting Accessories Chapter InstallationAC Power Connection Electrical InstallationDC Power Connection DTE ConnectionDigital Interface Signals Pin 232D Signal Description Pin Signal Description sDCE Pin Signal DescriptionsTelephone Line Connection Dial-up Connection 115 Vac Model Dial Mode Pstn Connection Dial jackLeased Line Connection TELSET/LEASED Line Jack Leased Line Connection 115 Vac Model MD1000C Connections Shelf-Mount MD1000C InstallationChapter Getting Started Power-UpOption Selection Placing a Call Autodialing from a Terminal with the AT CommandsDialing with a Standard Telephone Autodialing from Front PanelEnding a Call Answering a CallReasons for Call Terminatio n Condition Reasons for Call TerminationReasons for Call Termination Condition Page LED Descriptions Chapter Front Panel OperationLCD Menu Operation LCD MenusReg LCD Menu Option Selectio nMain Menu Submenu Submenu Item Option Com Reg LCD Menu Option SelectionSubmenu Main Menu Option Com Reg Lease line only † Dial line only Modify Change DTE Speed DTE=DCE Modify Change DTE Dial Method Async Modify Change DTE RTS/CTS Delay Password of 0000 disables front panel security Front Panel Security Front Panel Operation Command Categories Chapter AT CommandsOperation Modes Offline Command Mode Sending Commands to the ModemOnline Command Mode Autobaud Guidelines for Creating Command Statements Creating a Command Statement ATRepeating a Command a Command Statement BufferMonitor Display Backspace KeyNumbered Commands Response CommandsGroup Commands Digit / Word Selection Command OperationResponse Displays Q Negotiation Displays WCall Progress / Connect Speed Messages Number Code Application *RC Command Code Set Number OperationCode Message Meaning Response Number Codes / MessagesDTE rate 31200 bps Connect 300/V42 Connect 300/MNP5 Dialing D Dial CommandsPulse Dialing P Tone Dialing TInsert Long Pause Wait for Second Dial Tone WRemaining in Command Mode Switching to Answer Mode after Dialing RHook Flash Wait for 5 Seconds of Silence @Dialing a Stored Telephone Number Sn Switching from Voice to DataAutodial Number Location *AUn Voice CallsManual Answer AT Command Answer aAutoanswer S0 Caller ID *IDCaller ID Message s Modem sends this message Distinctive Ring *DRData Carrier Detect &C Terminal Interface CommandsData Terminal Ready &D Data Set Ready &SRequest to Send / Clear to Send &R Serial Port Ring Indicator Pin 22 \RChanging from Data Mode to Command Mode +++ General CommandsDTE Controlled Fallback Rate Pin 23 *FB Local Character Echo EHanging Up H, H1 Online Character Echo FFast Disconnect H2, H3 Eprom Check Speaker Volume LSpeaker Control M Return Online O Asynchronous / Synchronous Mode Selection &MLong Space Disconnect Y Bis Guard Tones &GMake / Break Dial Pulse Ratio &P Rate Selection Thresholds *TH Synchronous Transmit Clock Source &XAsymmetric Bit Rates *AS Modulation *MMMaximum DCE Speed %B Minimum DCE Speed %L Automatic Rate Adaption %R Auto Retrain %EProduct Revision Level %V Manual Rate Adaption *RRProduct Serial Number $V Online Quick Reference $HTalk / Data *DA Fast Train *FTWire Operation Disable AT Command Set *NTPrivate Line Operation Dial Line Transmit Level *TDnWire Dial-up Operation Wire Leased Line OperationDial Backup Return to Leased Line from Dial Backup *LB Dial Backup *DBManual Dial Backup *LD Dial / Leased Line &LConfiguration Profiles Configuration CommandsActive Profile Stored ProfilePowerup Option Set &Y Storing a Configuration &WLoad Factory Options &Fn Reset to Stored Configuration ZStoring a Telephone Command Line &Zx=n, *CNx,n, *ND View Configuration Profiles/Received Signal Options &VSoft Download Password %P1, $Y Remote ConfigurationRetaining / Restoring Options *RO Remote Security Code %P= Remote Configuration SecurityEnabling/Disabling Remote Configuration *RA Entering Remote Configuration %T=, &TRemote Configuration Format *RF Remote Configuration DTE Speed *RBRemote Configuration Saving or Discarding Options *RQ Page Reliable Mode Ccitt V.42 bis Error Control ProtocolChapter Protocols Normal Mode Auto-Reliable ModeConstant Speed Interface Data CompressionProtocol Commands Direct ModeFlow Control Disconnect Buffer Delay %D Serial Port DTE Constant Speed \J Optional Detection Phase \MAuto-Reliable Fallback Character %An Operating Mode \NSerial Port Flow Control \Q Data Link Flow Control \G XON/XOFF Pass Through \XBreak Control \Kn Inactivity Timer \T Transmit Break / Set Break Length \B Maximum Reliable Block Size \ASet Auto-Reliable Buffer \C 42bis Data Compression %C Diagnostic Test s Offline Online Chapter Test Mode OperationTest Categories Terminating a Test in Progress &T Test Commands OperationLocal Analog Loopback &T1 Testing the Local ModemLocal Analog with Test Pattern Local Analog Loopback with Self Test &T8Local Digital Loopback &T3 Testing the Remote ModemRemote Digital Loopback &T6 Grant/Deny RDL Request &T4, &T5Test Pattern %T Remote Digital Loopback with Self Test &T7DTE Controlled Local Analog Loopback Pin 18 *LA DTE Controlled Remote Digital Loopback Pin 21 *RDAutocallback Security Chapter SecurityOperating without Low Security Low Security OperationOperating with Low Security Remote OperationPasswords Low Security CommandsLocal Operation LCD Indication of SecurityHigh Security Security Levels Superuser Default Passwords High Security CommandsEnabling High Security $EH=pw Disabling High Security $DSet Security Levels $Ln=m Setting Passwords $Pn=pw$pwSet User Callback Number $Cn=m Display Extended Feature Status $W? Extended Features $WDisplay / Reset Illegal Access Attempt Counters $M, $Mn, $M Removing a User $Rn Factory Reset $F=pw$pwSecurity Status $E? Display User Status $S?Local Logoff Command $$ Local Logon Command $n=pwRemote Logon Procedure $n=pw Verify User Information $In, $IBnSecurity Fax Operation Chapter Fax OperationModem Initialization Fax DefaultsFax Autoanswer Class 1 Details Fax Associated OptionsStored Fax Profile Dial Command D Class 1 CommandsOn Hook H Answer Command aService Class Capabilities +FCLASS=? Service Class Indication +FCLASS?Off Hook H1 Class 0 Operation +FCLASS=0Fax Transmit and Receive Modes Receive Silence +FRS=TimeValues for Fax Modulatio n Modulation Speed Facsimile Receive +FRM=Mod Facsimile Transmit +FTM=ModValues for Fax Modulation Speed Hdlc Receive +FRH=Mod Hdlc Transmit +FTH=ModTest Supported Range of Values +FTx=?, +FRx=? Command Description Class 1 Result Code +FCERRORBinary File Transfer Fax Autoanswer +FAA=Registers Chapter Status RegistersChanging S-Register Values Changing Register Values Sn=v, Sn=v Register Operation Sn?, Sn?Ring Count S1 Individual Bit Command Sn . # =vEnd-of-Line Character S3 Escape Character S2Line-Feed Character S4 Backspace Character S5Carrier Detect Time S9 Pause Interval for Comma S8Lost Carrier Detect Time S10 Dtmf Tone Duration S11S13 Bit Value Command DescriptionBit Mapped S14 S15System Tests S16 Test Timeout S18S17 S19Comman Bit Value Description Bit Mapped S21Bit Mapped S23 Bit Mapped S22S24 Lookback Timer S28 RTS/CTS Delay S26DTR State Recognition S25 Bit Mapped S27Bit Mapped S29 Bit Value CommandBit Mapped S30 S31Remote Configuration Escape Character S41 DTR / Dial Backup Number to Dial S35Bit Mapped S32 S33S43 Remote Configuration Guard Time S42XON Character from DTE S44 Xoff Character from DTE S45Automatic Rate Adaption Threshold S53 Leased Line Transmit Level S52Disable modem port flow control \Q3 Enable bilateral CTS/RTS flow controlFlow Control S54 S55Compression Control S56 Inactivity Timer S58Bit Mapped S57 101 \K5 Break option Break Control S59MNP compression enabled Enable auto retrainDisable auto-reliable data buffer Bit Mapped S60Maximum Transmit Block Size S63 Disconnect Buffer Delay S62Auto-Reliable Fallback Character S64 S65-66S68 Link Speed Status S6710010 B18 33,600 bps DCE Independent Speed S69Operating Mode Status S71 Operating Mode S70\M1 Enable V.42 fast detect 111 \N7 Lapm or MNP or native auto ReliableCallback Delay S74 Password Timeout S73Bit Mapped S72 Callback Retry S75Autocallback Timer S78 Callback Retry Delay S76Lockout Threshold S77 Break Length S79Serial Port or DTE Speed S80 Enable negotiation status 00001 DisabledMinimum DCE Speed S81 Negotiation Status S82Bit Mapped S84 Enable any key abortS85-S87 Modulation Type S88S92 S94 Current Modulation S91Asymmetric Settings S96 Settings S95Bit Mapped S97 S98- S100Chapter Bis Autodialer Software Guidelines Autodialer Command Strings and ParametersInvalid Responses Dial Parameters Bis Commands and ResponsesParameters Function Program Number Command PRN ann...n Dial Command CRN nn...nDial Stored Number CRS a Intermediate Call Progress ResponseCNX@nnnnnBPS Sepacall progress messagesDisregard Incoming Call DIC Request List of Stored Numbers RLNEtbsysystxLSNsp LSNann...nsepann...nRedial Last Number CRR n Connect Incoming Call CICLink Number by Address PRL ab Seprcall progress messagesRequest List of Linked Numbers RLL Request List of Version RLV Modem Options Command PRO xxxyy00EtbspspstxLSLsp LSLalsepalModem 11-11 Restore Factory Settings PRP n Save Current Settings PRKRequest List of Stored Options RLO xxx yy Options V.25 Autodialer Options Definition Settings DefaultModem 11-15 Ebcdic Ascii Modem 11-17 Test Bilateral Commanded Loop Fuse Replacement Chapter MaintenanceMaintenance GeneralCalling Technical Support Size Appendix a SpecificationsModulation Speed Modem Data RatesCarrier Detect Level Page Pin Function Appendix B Phone Jack DescriptionsPage Jumper Option Selection Appendix C Hardware OptionsFigure C-1. Cover Removal Figure C-2. Jumper Location for Ground Option Replacing the Cover Fault Isolation Procedure Appendix D Fault Isolation ProcedurePart Modem and Telephone Line CheckModem Page Command Reg Description Appendix E Command Index and DefaultsWait for 2nd dial tone S7 value Command Reg Description Restore factory configuration 1 † EBCDIC, NRZ1 Command Reg Description Command Reg Description Command Reg Description BER Command Reg Description DCE Switches modem to talk mode † Command Reg Description Command Reg Description Command Description Fax Command DescriptionValueModulationSpeed High Security Command Description Low Security†cannot be executed from remote configuration mode Modem Remote Configuration Commands Data bits, mark parity, 1 stop bit Reg Function Factory Set DefaultRO=Read only RW=Read or write Modem Default Synchronous Description Command Bis Dialer CommandsSynchronous Description Command Response Message Meaning Response MessagesINC Modem Options DCE rate 33600 Modulation automode Asynchronous Dial-up with V.42 bis Protocol AT&F or AT&F1Dial Line Options Tone dial Asynchronous Dial-up without V.42 bis Protocol AT&F2 Factory Option Set #Factory Option Set #3 Modem Options DCE rate Synchronous 4-wire Leased Line AT&F4Factory Option Set #5 Asynchronous 4-wire Leased Line withV.42bis Protocol AT&F5Factory Option Set # Synchronous 2-wire Leased Line Normal Originate AT&F7 Synchronous 2-wire Leased Line Forced Answer AT&F8 Synchronous V.25bis Dialer AT&F9 Factory Option Set #9Appendix F Ascii and Ebcdic Characters NUL ESC ET end of transmission ACK0 DEL Hardware Options Hardware Options Hardware Options Hardware Options Appendix G Abbreviations and Acronyms Abbreviations and Acronyms PBX Xmit What You Need Appendix H Flash UpgradeTroubleshooting Service and Support Page Index Index-2V.3600 3600Index-3 Index-4V.3600 3600Index-5 Index-6V.3600 3600Index-7 Index Index-8V.3600

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