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Digi 90031300 manual AT Quote Commands, Hn V.42bis Compression Control, Nn V.42bis Dictionary Size

Models: 90031300

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AT" (Quote) Commands

"Hn V.42bis Compression Control

Controls V.42bis data compression over an error correction link.

"H0: Disable V.42bis.

"H1: Enable V.42bis only when transmitting data.

"H2: Enable V.42bis only when receiving data.

*"H3: Enable V.42bis for both directions. Result Codes:

OK	Returned when n = 0, 1, 2 or 3.
ERROR	Returned for any other value of n.

"Nn V.42bis Dictionary Size

512 bytes < btlz_dict_size < maximum RAM allows, default is 1.5 Kbytes.

"N0:	512 bytes.
"N1:	1024 bytes.
"N2:	1536 bytes

Result Codes:
OK	Returned when n = 0, 1 or 2.
ERROR	Returned for any other value of n.

"On Select V.42bis Maximum String Length

Selects the string size for V.42bis compression.

n = 6-64.

*Default = 32

Appendix F

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Digi 90031300 manual AT Quote Commands, Hn V.42bis Compression Control, Nn V.42bis Dictionary Size

Contents

AccelePort T1 Modem Bank Page Table of Contents T1 Modem Bank Contents List of Figures List of Tables Federal Communications Commission FCC Statement Regulatory StatementsFCC Part Problems with your T1 Modem BankIndustry Canada Compliance Statement T1 Modem Bank Chassis, Front View AccelePort T1 Modem Bank OverviewUnpacking T1 Modem Bank Shipping Carton ContentsPlanning the T1 WAN Interface CSU ModeCarrier Approval CSU Technical Description CSU SpecificationT1 Cable Specification Line Build OutParameters Specified to the Carrier Planning Worksheets Requirements for T1 Modem Bank SetupGeneral Information Type Number or Checkmark Description T1 Modem Bank WorksheetT1 Modem Bank Power Supply Installation/Replacement Hardware InstallationPower Supply T1 Modem Bank Standalone or Rack Installation Standalone Installation Procedure Mounting Bracket Installation for a 24-inch Rack Requirements for Rack InstallationsBracket Position For 19-inch Rack Bracket Position For 24-inch Rack T1 Modem Bank Unit Spacer General Rack Installation DirectionsLine Card 735Synchronous Ports and Terminal Port Daisy Chaining T1 Modem Bank UnitsTwo Daisy Chains of T1 Modem Banks to be Connected Locally Daisy Chain ExampleRemote T1 Modem Bank Units Connecting a ModemMixing EPC Concentrators with T1 Modem Bank Units Fault TolerancePCI Host Adapters EPC/X Host Adapter InstallationConfiguring the Host Adapter Installing the PCI Host Adapter in your ComputerDIP Switch Settings for I/O Port Address Setting the I/O Port AddressISA Host Adapters Factory-Set Jumper J1 Installing the ISA Host Adapter in your ComputerFactory-Set Jumpers Installing the Eisa Host Adapter in your ComputerSystem Configuration Eisa Host AdaptersAbove 1 Megabyte Below 1 MegabyteEPC/X Host Adapter Connected Locally to T1 Modem Banks Connecting the EPC/X Host Adapter to the T1 Modem BanksLocal and Remote T1 Modem Bank Units Setting the Node Number Software Installation and ConfigurationT1 Modem Bank Display Panel Installing Download Post Failure Error Message CodesDisplay Panel Status Indicators Possible ProblemRestarting Post Segment Meaning Description Display Display Panel Status CodesSeverely Errored Introduction Software Installation for Novell SystemsInstalling QuickManager Installing the EPC/X AIO Device DriverInstalling the AIO Application Installing SnmpLoad dgt1cfg.nlm Configuring the T1 Modem BanksMain Screen T1 Modem Bank Configuration Screen Windows NT Software Installation for Windows NT SystemsInstalling the EPC/X Windows NT Device Driver Installing the Windows NT Snmp ServiceInstalling the Management Software Installing RASHost System Installation Remote System Installation ∙ terminal port mode ∙ display panel mode T1 Modem Bank ConfigurationConfiguring via QuickManager ∙ QuickManager modeLine Card Status Display Line Card Options Display Configuring via the Terminal Port Configuring via the Display Panel T1 Modem Bank Configuring via the Serial Port Interface Initial screen is shown below User selects short-haul for the span-type by entering Configuration modificationT1 Modem Bank Equipment List System Information Modem Switchhook Status Alarm Status LOS T1 Modem Bank Diagnostics Modem Test Results Running Diagnostics with QuickManagerRunning Diagnostics from the Display Panel Running Diagnostics from the Terminal Port Press ? to see the configuration/diagnostic menu Diagnostics Test 2 RAM Test Diagnostic Test DescriptionsTest 3 Timer Test Test 1 Front Panel TestTest 5 Modem Test Test 4 Line Card TestTest 6 Sync Internal Loopback Test Test 8 Eeprom Test Test 7 Sync External Loopback TestTest 9 Watchdog Test Component Level Troubleshooting Component Removal and InstallationLine Card Removal and Replacement Component Removal and Installation Modem Card Removal Modem Card Removal and Installation/ReplacementModem Card Modem Revision Description Types of Modem CardsQuick Manager Modem Revision Screen Modem Card Installation/ReplacementT1 Modem Bank Power Supply Removal Power Supply Fan Assembly Fan Assembly Removal and ReplacementAC Power Inlet Fuse ReplacementConnections to the Telephone Network T1 Modem Bank Interaction Alarms on a T1 SpanAlarm Reason for Alarm Result of Alarm Functional Block Diagram of the T1 Modem BankT1 Modem Bank Power Cord Specifications Physical SpecificationsT1 Modem Bank Environmental Requirements T1 Modem Bank Rack SpecificationsStandalone Unit Specifications Rack SpecificationsTerminator Plug Daisy Chain CablesT1 Loop Back Plug Telecom SafetyT1 Modem Bank Certification EmissionsGlossary GlossaryT1 Modem Bank Appendix a Memory Conflicts Contention for Memory AddressesTypical PC Memory Usage 1st Megabyte EGA/VGA ROM BiosConflicts Between 8-Bit and 16-bit Memory Devices Eisa Host Adapters Wire Synchronous Modem External Clock Mode# Baud Rate Wire, Internally Clocked Mode# Baud RateWire, Self Clocked Mode# Baud Rate Appendix C Terminal Port Cable RJ-45 Plug Signal PinTerminal Port Connector for Sync ChannelsEight-Wire Direct Wiring Appendix E Generic T1 Modem Bank Wiring ModesEight-Wire Direct Daisy Chain Cable Wiring Four-Wire Direct Daisy Chain Cable Wiring Four-Wire Direct WiringDaisy Chain Cable Length vs. Baud Rate Restrictions on Daisy Chain Cable LengthsBaud Rate Maximum Cable Length RS-232 Synchronous Modem Cables Eight-Wire Synchronous Modem WiringRS-422 Synchronous Modem Cables Basic AT Commands Appendix F Modem AT Command SetFn Online Echo Command no operation Dn Dial CommandEn AT Command Echo Options Returned when n = 0 orModem Identification Returned when n = 0, 1, 2, 3 orLn Speaker Volume dummy command Mn Speaker Control dummy commandO3-14 Vn Result Code Format Enable Tone dialingReturned when n = 0, 1 or Sn? Read S Register nZn Recall Stored Profile Yn Dummy CommandDn Data Terminal Ready Option Load Factory SettingsBn Autoretrain Cn Data Carrier Detect Option Async OnlyLn Dial-Up/Leased-Line Option Jn Dummy Command for AutoSyncGn Guard Tone Operation Kn Set Flow ControlPn Dial Pulse Ratio Mn Select Sync, Async or AutoSync Mode OptionsQn Communications Mode Option Rn CTS/RTS Option non-CTS Flow Control ModeReturned when n = 0, 3, 4, 5, 7 or Tn Self Test CommandsSn Data Set Ready Option Result Codes Returned when n = 0 or Vn View Active Configuration and Stored ProfileWn Store Active Profile Xn Sync Transmit Clock Source Yn Select Stored Profile on PowerupZn=x Store Telephone Number Cn Data Compression AT% Percent CommandsGn Auto Fallforward/Fallback Enable An Set Autoreliable Fallback CharacterAT\ Backslash Commands \Kn Set Break Control \Jn Constant DTE Speed Option\Vn Protocol Result Code \Tn Set Inactivity Timer\Nn Modem Protocol Options \Qn DTE Flow Control Options\Xn Set XON/XOFF Passthrough Option JnSet V.42 Detection Phase AT- Dash CommandsOn Select V.42bis Maximum String Length AT Quote CommandsHn V.42bis Compression Control Nn V.42bis Dictionary Size+FRS=n Class 1 FAX Commands+FTM=? FAX Normal Mode Transmit Capabilities +FTS=n145 Supported FAX Transmit/Receive Modulations121 122+FAA=n FAX Auto Answer Enable Class 2 FAX Commands+FAXERR T.30 Session Error Report +FCTCRTY ECM Retry Count Data Bit Order SelectionCopy Quality Checking Capability to ReceiveFAX Capability Parameters +FDCCCurrent Session Results +FDCSCurrent Session Parameters +FDFFC Data Compression Format ConversionTransmit Page Punctuation Begin or continue Phase C Receive DataBegin Phase C Data Transmission Error Correction Mode ControlPhase C Transmit Data Block Size +FPHCTO DTE Phase C Response Time-outPhase C Receive Data Block Size Phase C Received EOL AlignmentClass 2 FAX Responses Registers Register Definitions S6 Wait Before Dialing S8 Pause Time for Command or Dial ModifierS10 Lost Carrier Delay S11 Dtmf Duration and Interdigit DelayS14 Bit-Mapped Options S12 Guard TimeS16 Bit-Mapped Option Status Hdlc protocol S18 Modem Test TimerS19 AutoSync Protocol Support Mode Address detector disabledC1 DCD is on after connect S21 Bit-Mapped OptionsR0 CTS follows RTS 10 &D2 disconnect111 X4 is selected S22 Bit-Mapped Options10 L2 is selected 01 M1 is selectedT4 is selected DisabledS26 RTS to CTS Delay Interval S23 Bit-Mapped OptionsL0 is selected S30 Inactivity Timer ValueS27 Bit-Mapped Option 000 &Q0, &M0 is selectedS40 Bit-Mapped Option Status N1 enabledJ1enabled S37 Desired DCE Speed255 = 256 bytes = \A3 S50 FAX/Data Mode Selection EnabledS46 Automatic Sleep Timer S47 Forced Sleep Timer with Powerdown Mode in Pcmcia011 &K3, \Q3 are selected S53 Modem Operating Mode \NnS57 V.42bis Dictionary Size see ATN Default = S51 Data/FAX DTE Flow Control SelectionS65 Round Trip Delay S58 Btlz String Length Default =S59 Bit-Mapped MNP Options Default = %C1 is selected S62 DTE Rate Status Default =142 T1 Modem Bank Display Format Options Result CodesConnect Extended Message OptionsRing Carrier 1200/75 Negotiation Progress MessagesCarrier Carrier 75/1200Compression V.42bis Compression ClassProtocol MNP 2 Index 150 T1 Modem Bank