Page Wait | Northern UTA220/UTA220k manual

D-Channel X.25

Note: If parameter 6 (control of PAD service signals) is set to 0 (no PAD service signals) and parameter 22 (page wait) is enabled, the page wait service signal will not be transmitted to the local DTE. However, when the number of line feeds specified in parameter 22 transmitting data to the local DTE anyway. To resume the transmission of data, an XON must be transmitted to the PAD by the user, or any of the above page wait cancellation conditions must occur.

Table 12-28: Page Wait

Value

Description

0Page wait disabled *

1to 255 Maximum page wait line feed character count. After this specified number of line feeds, the PAD suspends transmission of data to the local DTE and the PAD transmits the PAGE service signals. For display terminals, a page wait line feed count of 23 is commonly used.

*default

12-34

UTA220/UTA220k

Image 110

Northern UTA220/UTA220k manual Page Wait

Contents

UTA220/UTA220k Terminal Adapter User Guide Copyright Shielded Cables Industry Canada IC Requirements Load Number Canadian Emission Requirements Preface and Statement of Application Preface Contents LCD Operation 25 bis Dialer Operation Contents Reset Appendix A. Specifications DiagnosticsMaintenance Softload Return Procedures Index DTE Interface PIN Descriptions Issues Schedule ServiceTo Access For Questions Documentation Customer Response Card Business Reply Mail Chapter Introduction FeaturesOther Features Compatibility Operation Physical Description Rear Panel EIA-232 Configuration LED Description Functional Site Preparation Chapter InstallationReceipt Inspection Isdn Connection InstallationPower Connection DTE Interface Specifications DTE Connection Installation UTA220/UTA220k Cover Removal Switches and StrapsChapter Getting Started Switch and Strap Settings Signal Ground 35/EIA-232 Interface OFF Interface Card Removal V.35 EIA-232 interface Card DIP Switch Options V.35 Switch Location Central Office Switch Setup Step LCD Screen Action Display Channel Prov CHANGE? P3 Data TEI = DIS Getting Started UTA220/UTA220k Isdn Standards ChapterIsdn Basics National Isdn Isdn Basic Rate Interface Points Basic Rate InterfaceTerminal Adapters Isdn Service Isdn Switches Switch Version Default Mode Custom Mode NI1 Isdn Addresses and Identifiers Switch Version Default Mode Other ModesTA Switch TA Switch Version Type Channel Data Service Isdn Channels Layer One Channel Signaling ProtocolsChannel Data Protocols Layer Two Layer Three LCD Operation Chapter LCD OperationLCD Menus Menu Option Summary Navigation button directions Port Config R R E N T OPTIONS? Cont T R DEL OP T I on S ? O T OC O L OPTIONS? Menu Option Summary Loading Port TEST? Current Port OPTIONS? View Selecting V.25bis Operation in V.25 bis ModeChapter Bis Dialer Operation Bis Message Frames DCD Pin Operation DTE Interface PinsDTR Pin Operation Dial Command CRN Command ProceduresCommands CTS Pin Operation Call Connect Indication CNX Connect Incoming Calls CICIndication Messages Incoming Call Indication INC Response Messages Bis Dialer Operation UTA220/UTA220k Pin Function ConfigurationChapter EIA-366 Dialer Operation Interface Signal Definitions Digit Present DPR Present Next Digit PND Abandon Call and Retry ACR Example Dial Sequence AT Command Mode Chapter AT Command OperationAT Command Statement Escape Sequence + + + Command Statement Buffer Creating a Command Statement ATCommand Statement Guidelines Monitor Display Group Commands Repeating a Command aNumbered Commands Backspace KEY Command Scope Supervisor Command Mode Link Chapter Rate AdaptionRate Adaption Flow Control and Pin Options Link Options 120 Options Rate Adaption UTA220/UTA220k Bonding on the UTA220 Option Select Disconnecting a Bonding Call Placing a Bonding Call Chapter Synchronous Operation Synchronous Mode 1 Sync Pause ModeSynchronous Mode 2 Dial Stored Number Mode Synchronous Modes 11-2 PAD Chapter ChannelFunctional Description Establishing AN X.25 Session Atdd CommandAT@P1=P or AT@P1=D Command Initialize the PAD Establishing an X.25 Virtual Connection Disconnecting the X.25 Virtual Connection Escaping to PAD Command ModeEscaping to AT Command Mode Common Apparent Problems PAD Command SET Status Stat Issuing PAD CommandsReset Clear CLR Interrupt INT SET Remote Read RPAR? Read PAR?Set and Read SET? Remote Set and Read RSET? Profile Read/Save Prof PAD Select Network User Identification NUI FacilitiesReverse Charging R Closed User Group CUG Recognized Private Operating Agency Flow Control Parameter Negotiation 1PAD Command Set Summary Command Description Response PAD Service Signals 2PAD Service Signals Command Extension Reason Signal PAD Reset Service SignalsPad Clear Service Signals CLR INV CLR NP Saving the X.3 Parameter ConfigurationParameters and Values CLR RNA DTE 5Default X.3 ParametersParameter Description Default Remarks 6CCITT X.3 Parameter Profiles Description Transparent Simple Value Description Parameter 1 Pad Recall Character6CCITT X.3 Parameter Profiles Parameter 2 Echo Parameter 3 Selection of Data Forwarding Characters Parameter 4 Selection of Idle Timer Delay Value Parameter 6 Control of PAD Service Signals Parameter 5 Ancillary Device Control Signal allows the DTE to signal the PAD without loss Parameter 7 Action of PAD on Break from DTE Parameter 8 Discard Output Parameter 9 Padding after Carriage Return Parameter 10 Line Folding Parameter 11 Binary Speed of Local DTE Parameter 12 Flow Control of PAD by Local DTE Parameter 13 Line Feed Insertion after Carriage Return Parameter 14 Padding after Line Feed Parameter 15 Editing Parameter 16 Character Delete Parameter 17 Line Delete Parameter 18 Line Display Parameter 19 Editing PAD Service Signals XXX CR LF Parameter 20 Echo Mask Parameter 21 Parity Treatment Parameter 22 Page Wait 28 Page Wait Software Sets Chapter SoftloadTA Software Architecture Software Format LCD Message Description TA Power-Up Sequence1PROM Error Messages Set/Display Softload Password %P1 Softload Operation Request Softload Product Version Information $Q Product Number Active Software 1D Alternate Software 1B Initiate Software Download $Y=x S59 Softload 5General Softload Error CodesCopy Active Flash $Y2=x Code Hex Description 7AH 6CPU Softload Error Codes6AH Swap to Alternate Software $T=x Typical Local Softload Session Error 13-10 Global Tests Chapter DiagnosticsCommunication Diagnostics 2B+D Loopback Local Loopback Test Port TestsLocal Terminal Loopback Digital Loopback Test Local Loopback Test Digital Loopback Test Bilateral Loopback Test Bilateral Loopback Test Front Panel Keypad Test Diagnostic Status DisplayView Diagnostic Code View Product Information Fuse Chapter MaintenanceMaintenance 15-2 Appendix a Specifications Power Requirements Supplementary ServicesDimensions Power Consumption Appendix B Factory Default Settings Null Enbloc Factory Default Settings Factory Default Settings UTA220/UTA220k Description Value AT Command SetAppendix C AT&T 5ESS DMS100 PVC IC-0 DMS100 PVC IC-1 AT Command Set XON/XOFF DTRRTS/CTS CTS always on when On-line Data Set Ready DSR DSR always on Off default One default Sync RTS Non-PVCdefault PVC Rpoa Call NAK DLEESC,BEL,ENQ,ACK Default 1,1,0 Default 2,1,1 ENQ L22= Wait Range Interfaces Appendix D InterfacesIsdn Interface Table D-1U Interface RJ45 Pin Functions EIA-232C Function Pin Table D-2EIA-232/C/V.24 Pin Functions DB-25 34 Pin Function Table D-3V.35 Pin Functions Table D-4Ports 3 and 4 Pin Functions DLO EIA-366A RequirementsRL/CG CH/CI DTE Interface PIN Descriptions Data Terminal Ready Ring IndicatorReceive Clock Interfaces UTA220/UTA220k Parameter Factory Default Range Value Appendix E Network Option Values Port 3 Data TEI Appendix F Ascii and Ebcdic Characters SMM Ascii and Ebcdic Characters ACK0 Ascii and Ebcdic Characters Ascii and Ebcdic Characters Ascii and Ebcdic Characters 253 254 255 Trailing pad Appendix G Abbreviations and Acronyms CBX DAA Ebcdic Hdlc LSD Pots RMT LB Telset Abbreviations and Acronyms UTA220/UTA220k Appendix H Status and Connection Messages Status and Connection Messages UTA220/UTA220k Appendix I 128K Clear Channel Leased-Line Service Configuring D- and B-Channels Configuring the Port and Protocol AT&M2 Return Procedures Introduction Factory Repair Index DTE Page Warranty UTA220/UTA220k