DTE Interface PIN Descriptions | Northern UTA220/UTA220k guide

Interfaces

DTE INTERFACE PIN

DESCRIPTIONS

Pin functions assume that the UTA is in data mode.

Note: There are a number of interpretations of these signals that the UTA can make, depending on its mode and configuration. The descriptions reflect the most common interpretations.

Transmit Data

This pin carries data transmitted from the DTE to the UTA.

Receive Data

This pin carries data from the UTA to the DTE. If no data is present, this line will be held in the mark state.

Request to Send

In asynchronous mode, this input may be used for flow control of the UTA or ignored. In synchronous modes, the pin can be used by the DTE to indicate that it is ready to send.

Clear to Send

Generally, used within a call to indicate when it is permissible for the DTE to transmit.

Data Set Ready

Indicates that the UTA has detected the remote UTA.

Signal Ground

This pin is the common return lead for all input and output signals on the DTE interface. It is normally connected to the chassis ground but can be changed via the DIP switch.

Data Carrier Detect

This output, which is also called carrier detect (CD), is generally used within a call to indicate a connection exists to the remote UTA.

Transmit Clock

In synchronous modes this output supplies the DTE with timing information for it to use when transmitting data to the UTA. This output is not used in asynchronous mode.

D-6	UTA220/UTA220k

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Northern UTA220/UTA220k manual DTE Interface PIN Descriptions

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 Receipt Inspection Chapter InstallationSite Preparation Power Connection InstallationIsdn Connection DTE Interface Specifications DTE Connection Installation UTA220/UTA220k Chapter Getting Started Switches and StrapsCover Removal 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 Terminal Adapters Basic Rate InterfaceIsdn Basic Rate Interface Points Isdn Service Isdn Switches Switch Version Default Mode Custom Mode NI1 TA Switch TA Switch Version Type Switch Version Default Mode Other ModesIsdn Addresses and Identifiers Channel Data Service Isdn Channels Channel Data Protocols Channel Signaling ProtocolsLayer One Layer Two Layer Three LCD Menus Chapter LCD OperationLCD Operation 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 DTR Pin Operation DTE Interface PinsDCD Pin Operation Dial Command CRN Command ProceduresCommands CTS Pin Operation Indication Messages Connect Incoming Calls CICCall Connect Indication CNX Incoming Call Indication INC Response Messages Bis Dialer Operation UTA220/UTA220k Chapter EIA-366 Dialer Operation ConfigurationPin Function 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 Rate Adaption Chapter Rate AdaptionLink 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 Functional Description Chapter ChannelPAD Establishing AN X.25 Session Atdd CommandAT@P1=P or AT@P1=D Command Initialize the PAD Establishing an X.25 Virtual Connection Escaping to AT Command Mode Escaping to PAD Command ModeDisconnecting the X.25 Virtual Connection Common Apparent Problems PAD Command SET Status Stat Issuing PAD CommandsReset Clear CLR Interrupt INT SET Set and Read SET? Read PAR?Remote Read RPAR? 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 Parameter Description Default Remarks 5Default X.3 ParametersDTE 6CCITT X.3 Parameter Profiles Description Transparent Simple 6CCITT X.3 Parameter Profiles Parameter 1 Pad Recall CharacterValue Description 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 1PROM Error Messages TA Power-Up SequenceLCD Message Description 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 6AH 6CPU Softload Error Codes7AH Swap to Alternate Software $T=x Typical Local Softload Session Error 13-10 Global Tests Chapter DiagnosticsCommunication Diagnostics 2B+D Loopback Local Terminal Loopback Port TestsLocal Loopback Test 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 Maintenance Chapter MaintenanceFuse 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 RTS/CTS DTRXON/XOFF CTS always on when On-line Data Set Ready DSR DSR always on Off default One default Sync RTS Non-PVCdefault PVC Rpoa Call ESC,BEL,ENQ,ACK DLENAK 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 Receive Clock Ring IndicatorData Terminal Ready 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