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ADTRAN DSU IV ESP User Manual

Data service unit with embedded snmp
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Data Service Unit with Embedded SNMP
61204011L1-1B
May 2001
DSU IV ESP
User Manual
Part Number
Version
1204011L1
DSU IV ESP
1204001L1
ESP 4-wire Switched 56 DBU Card
1204002L2
ESP V.34 DBU Card
1204004L1
ESP ISDN DBU Card
1204005L1
ESP Ethernet Card

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Summary of Contents for ADTRAN DSU IV ESP

  • Page 1 DSU IV ESP Data Service Unit with Embedded SNMP User Manual Part Number Version 1204011L1 DSU IV ESP 1204001L1 ESP 4-wire Switched 56 DBU Card 1204002L2 ESP V.34 DBU Card 1204004L1 ESP ISDN DBU Card 1204005L1 ESP Ethernet Card 61204011L1-1B...
  • Page 2 Openview is a registered trademark of Hewlett-Packard Company. SunNet Manager is a registered trademark of Sun Microsystems, Inc. Netview is a registered trademark of IBM 901 Explorer Boulevard P.O. Box 140000 Huntsville, AL 35814-4000 (256) 963-8000 © 2001 ADTRAN, Inc. All Rights Reserved. Printed in U.S.A.
  • Page 3 The following conventions are used in this manual. Notes provide additional useful information. Cautions signify information that could prevent service interruption. Warnings provide information that could prevent damage to the equipment or endangerment to human life. Important Safety Instructions When using your telephone equipment, please follow these basic safety precautions to reduce the risk of fire, electrical shock, or personal injury: Do not use this product near water, such as near a bathtub, wash bowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pool.
  • Page 4 Affidavit Requirements for Connection to Digital Services • An affidavit is required to be given to the telephone company whenever digital terminal equipment without encoded analog content and billing protection is used to transmit digital signals containing encoded analog content which are intended for eventual conversion into voice band analog signal and transmitted on the network.
  • Page 5 Affidavit for Connection of Customer Premises Equipment to 1.544 MBPS and/ or Subrate Digital Services For the work to be performed in the certified territory of ______________ (telco name) State of ________________________________ County of ______________________________ I, _______________________ (name), ____________________ (business address), _____________________ (telephone number) being duly sworn, state: I have the responsibility for the operation and maintenance of the terminal equipment to be connected to 1.544 Mbps and/or __________________ subrate digital services.
  • Page 6 ( ) D. In lieu of the proceeding training requirements, the operator(s)/maintainer(S) is (are) under the control of a supervisor trained in accordance with _______________ (circle one) above. I agree to provide ____________________ (telco’s name) with proper documentation to demonstrate compliance with the information in the preceding paragraph, if so requested.
  • Page 7 If experiencing difficulty with this equipment, please contact ADTRAN for repair and warranty information. If the equipment is causing harm to the network, the telephone company may request this equipment to be disconnected from the network until the problem is resolved or it is certain that the equipment is not malfunctioning.
  • Page 8 Federal Communications Commission Radio Frequency Interference Statement This equipment has been tested and found to comply with the limits for a Class A dig- ital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
  • Page 9 Canadian Equipment Limitations Notice: The Canadian Industry and Science Canada label identifies certified equip- ment. This certification means that the equipment meets certain telecommunications network protective, operational, and safety requirements. The Department does not guarantee the equipment will operate to the user’s satisfaction. Before installing this equipment, users should ensure that it is permissible to be con- nected to the facilities of the local telecommunications company.
  • Page 10 ISDN Service Ordering Information for the ADTRAN DSU IV ESP with ISDN Dial Backup For ADTRAN DSU IV ESP ISDN applications, the following guide can be used as an aid in ordering basic ISDN service from your local telephone company. The ADTRAN DSU IV ESP ISDN includes NT1 and Terminal adapter functionality and supports data rates up to 64 kbps.
  • Page 11 Turn the Following Features Off: • Packet Mode Data • Multi-line Hunt • Multiple Call Appearances • Electronic Key Telephone Sets (EKTS) • Shared Dictionary Numbers • Accept Special Type of Number • Intercom Groups • Network Resource Selector (Modem Pools) •...
  • Page 12 (including, but not limited to, loss of data or information, loss of profits, or loss of use). ADTRAN is not liable for damages for any cause whatsoever (whether based in contract, tort, or otherwise) in excess of the amount paid for the item.
  • Page 13 Customer Service, Product Support Information, and Training ADTRAN will replace or repair this product within five years from the date of ship- ment if the product does not meet its published specification, or if it fails while in ser- vice.
  • Page 14 Repair and Return If ADTRAN Technical Support determines that a repair is needed, Technical Support will coordinate with the Custom and Product Service (CAPS) department to issue an RMA number. For information regarding equipment currently in house or possible fees associated with repair, contact CAPS directly at the following number:...

  • Page 15: Table Of Contents

    UnPack, Inspect, Power Up ....................2-1 ADTRAN Shipments Include..................2-1 Customer Provides ....................... 2-2 Power Up........................2-2 Chapter 3. Operation Front Panel Menu Structure ....................3-1 Main Menu........................3-1 Main Menu Descriptions ..................3-2 Status ....................... 3-2 61204011L1-1 DSU IV ESP User Manual...
  • Page 16 Loss of Sealing Current ................. 4-5 Out of Service (OOS) Signal ................. 4-5 No Receive Signal ..................4-5 All 1s or all 0s Condition ................4-5 Answer Always ....................4-6 Operation During Noncritical Times ..............4-6 DSU IV ESP User Manual 61204011L1-1...
  • Page 17 DTE Command Option ....................7-6 Transmit Clock ......................7-7 Clear to Send (CS) Options..................7-8 Anti-Stream........................7-9 CD Options ........................7-9 Data Terminal Ready (TR) Options................7-9 Data Set Ready (SR) Options..................7-10 61204011L1-1 DSU IV ESP User Manual xvii...
  • Page 18 Wait to Redial ......................9-8 DBU Options for S4W Card..................9-8 Network Type ......................9-8 DBU Options for V.34 Card ..................9-9 Error Control ......................9-10 Flow Control ......................9-10 Compression ......................9-10 xviii DSU IV ESP User Manual 61204011L1-1...
  • Page 19 Answer Unit Connected to DDS Line .............. 12-2 Dial Backup ....................12-2 Originate Unit Connected to DDS Line ............12-2 Dial Backup ....................12-2 Stay on Leased ....................12-2 Dial Options During Dial Backup ..............12-3 61204011L1-1 DSU IV ESP User Manual...
  • Page 20 Interpreting Test Results .................. 13-16 Remote Unit Diagnostics ....................13-17 Test Purpose ....................... 13-18 Initiating ......................13-18 Test Results ......................13-18 Interpreting Test Results .................. 13-18 DBU Connection ......................13-19 Test Purpose ....................... 13-20 Initiating ......................13-20 DSU IV ESP User Manual 61204011L1-1...
  • Page 21 Getting TEI ....................14-4 Register SPID ....................14-4 DSU Operation and Network Status ............... 14-4 Current DSU IV ESP Status ................ 14-4 Current DDS Network Status ..............14-4 DTE Control Leads and Status ................14-5 Appendix A. Pinouts ....................... A-1 Appendix B.
  • Page 22 Appendix D. Configuration Profiles ................D-1 Appendix E. DSU to DSU Tail Circuit ................E-1 Appendix F. Specifications Summary ................F-1 Appendix G. Acronyms/Abbreviations ............... G-1 Appendix H. Glossary ..................... H-1 Index ..........................Index-1 xxii DSU IV ESP User Manual 61204011L1-1...

  • Page 23: List Of Figures

    List of Figures Figure 1-1. Typical Point-to-Point Application for DSU IV ESP ......... 1-2 Figure 3-1. Main Menu LCD Display ................3-1 Figure 3-2. Example of Basic Menu Navigation ............3-4 Figure 3-3. DSU IV ESP Front Panel ................3-5 Figure 3-4.
  • Page 24 Figure C-11. Local Test Options Menu................C-10 Figure C-12.Remote Test Options Menu................ C-10 Figure C-13.SW56 Dialing Menu ..................C-11 Figure C-14.Dial ESP DBU Menu..................C-12 Figure E-1. DDS Tail Circuit ....................E-2 Figure E-2. Standard EIA-232-D Crossover Cable ............E-3 xxiv DSU IV ESP User Manual 61204011L1-1...
  • Page 25 Table A-6. Pin Assignments for 10BaseT Connector ........... A-5 Table B-1. AT Commands ....................B-1 Table B-2. DTE Options AT Commands................B-3 Table B-3. Network Options AT Commands ..............B-6 Table B-4. Test Options AT Commands ................B-7 61204011L1-1 DSU IV ESP User Manual...
  • Page 26 Table B-6. DBU Options AT Commands for All Models..........B-8 Table B-7. DBU Options AT Commands for V.34 Card ..........B-10 Table C-1. Terminal Main Menu Dial Selection ............C-3 Table D-1. Configuration Profiles................... D-2 xxvi DSU IV ESP User Manual 61204011L1-1...

  • Page 27: Chapter 1. Introduction

    SNMP) provides a reliable, high speed data connection for customer data terminal equipment (DTE) through digital data service (DDS) lines. The DSU IV ESP has an embedded SNMP (simple network management protocol) agent that provides complete SNMP access to the unit through an integral SLIP or PPP async port.

  • Page 28: Figure 1-1. Typical Point-To-Point Application For Dsu Iv Esp

    Chapter 1. Introduction The DSU IV ESP provides both V.35 and EIA-232 electrical and physical DTE interfaces to accommodate a variety of applications. To ensure a reliable connection, the unit features an extended receiver capability which permits operation over long loops (3.4 miles or 5.5 km of 26 AWG at 56 kbps).

  • Page 29: Dds Operation Overview

    DDS customers and may provide data for routing InterLATA to an interexchange carrier. In DDS mode, the DSU IV ESP supports 2.4 to 64 kbps DDS service rates yielding DTE rates of 2.4, 4.8, 9.6, 19.2, 38.4 (sync or async), 56 kbps, and 64 kbps.

  • Page 30: Snmp Overview

    The DSU IV supports the MIB-II standard, RFC 1213, and ADTRAN Enterprise Specific MIB. MIB files are available from ADTRAN in the support section of the ADTRAN webpage at www.adtran.com. The DSU IV's embedded SNMP feature allows the unit to be...

  • Page 31: Telnet

    See Applications on page 4-1 for more information, including an example of a dial backup application. Although the ESP V.34 DBU (P/N 1204002L2) is compatible with the DSU IV ESP, it is not compatible with the TSU ESP (P/N 1200169L1). 61204011L1-1 DSU IV ESP User Manual...

  • Page 32: Esp Dial Backup Options

    The BRI DBU card (P/N 1204004L1) provides a full 2B+D BRI ISDN service when installed in the TSU ESP or TSU IQ but only provides a one 64K bearer channel (1B+D) when installed in the DSU IV ESP. DSU IV ESP User Manual...

  • Page 33: Chapter 2. Installation

    ADTRAN Customer Service. If possible, keep the original shipping container for use in shipping the DSU IV ESP for repair or for verification of damage during shipment. ADTRAN Shipments Include...

  • Page 34: Customer Provides

    (i.e., router). For SNMP management, the customer must provide access to the DSU IV ESP either through a SLIP port, Async PPP port (requires a male 25-pin D-type connector), or a 10BaseT ethernet port (requires an ADTRAN ESP Ethernet card installed in the DSU IV ESP).

  • Page 35: Chapter 3. Operation

    Chapter 3 FRONT PANEL MENU STRUCTURE The DSU IV ESP uses a multilevel menu approach to access its many features. All menu operations are displayed in the LCD window or the terminal. See Figure 3-5 on page 3-11 for the terminal Main menu.

  • Page 36: Main Menu Descriptions

    Activating Dial Functions on page 12-1. The Dial selection in the Main menu is only available when a SW56 network type is selected or when a DBU card is installed in the rear of the DSU IV ESP. DSU IV ESP User Manual 61204011L1-1...

  • Page 37: Basic Menu Travel

    Chapter 3. Operation Basic Menu Travel Four function keys on the left side of the DSU IV ESP keypad allow the various menu branches to be entered, exited, and scrolled through. The four function keys are defined below. Enter Selects a displayed item.

  • Page 38: Front Panel Menu Navigation

    Chapter 3. Operation Front Panel Menu Navigation Perform the following steps to select the DSU IV ESP menu options. See the menu tree in Figure 3-2. Step Action Press 3 to activate C ). When ONFIGURATION ONFIG the activated menu item flashes, press Enter.

  • Page 39: Front Panel

    Chapter 3. Operation FRONT PANEL The DSU IV ESP faceplate is shown in Figure 3-3. Descriptions of each part of the front panel follow the figure. Up and Down Arrow Keys ALM LED Enter Key LCD Window Keypad RD LED...

  • Page 40: Shift

    Up and down arrows scroll through the submenu items available in the current menu. LED Descriptions The DSU IV ESP has seven LED indicators: RS, CS, TD, RD, CD, ALM, and TST. These LEDs are described in Table 3-1 on page 3-7. DSU IV ESP User Manual...

  • Page 41: Table 3-1. Front Panel Led Descriptions

    This LED is active when data is received from the net- work. CD: Carrier Detect This LED is active when frame synchronization is achieved and the DSU IV ESP is ready to transfer data. ALM: Alarm Indication This LED activates whenever an alarm condition exists. Alarm conditions include:...

  • Page 42: Rear Panel

    Pin assignments for these connectors are listed in Pinouts on page A-1. The DSU IV ESP rear panel is shown in Figure 3-4 with optional ESP cards installed.

  • Page 43: Dbu And Ethernet Card Slots

    Chapter 3. Operation DBU and Ethernet Card Slots The DSU IV ESP rear panel has two card slots for the installation of dial backup and ethernet cards. To insert cards, perform the following procedure: Remove power from the DSU IV ESP.

  • Page 44: And V.35 Connectors: Dte Data Connection/Primary Dte

    To prevent possible radio frequency interference emissions, a shielded ca- ble is required. Control Port The DSU IV ESP has an 8-position modular jack labeled C ONTROL The control port provides connection to a VT 100 EIA-232 compatible interface, a device running SLIP protocol, or a device running Async PPP protocol.

  • Page 45: Vt-100 Terminal Connection And Operation

    Chapter 3. Operation VT-100 TERMINAL CONNECTION AND OPERATION To control the DSU IV ESP using a VT-100 terminal, perform the following procedure: Select a terminal interface through the front panel. Select > M > I >T ONFIG ANAGEMENT NTERFACE ONTROL Set the C to match the VT 100 terminal.
  • Page 46 5-4 for the front panel configuration menu trees. When establishing a Telnet session, the system prompts for a password. The default password is adtran. This password can be modified through the Management menu. See Chapter 10, Management Functions on page 10-1 for more information.

  • Page 47: Chapter 4. Applications

    SNMP-based network manager like HP Openview, IBM Netview, or SunNet Manager. The ADTRAN DSU IV ESP MIB is available in the support section of the ADTRAN webpage at www.adtran.com. SNMP and Telnet management are provided by one of the following interfaces: •...

  • Page 48: Figure 4-1. Slip/Ppp Lan Application With Snmp/Telnet Management

    Figure 4-1. SLIP/PPP LAN Application with SNMP/Telnet Management SNMP Management Station Ethernet Ethernet EIA 232 or V.35 EIA 232 or V.35 DDS or Router Frame Relay Router DSU IV ESP DSU IV ESP Figure 4-2. Ethernet LAN Application with SNMP/Telnet Management DSU IV ESP User Manual 61204011L1-1...

  • Page 49: Minimum Configuration Requirements For Snmp/Telnet Access

    Select SLIP Control, PPP Control, or Ethernet LAN as the DSU IV interface type. The ESP ethernet card must be installed for the Ethernet LAN selection. IP Address Enter the DSU IV ESP IP address. Subnet Mask Enter the subnet number. This address is available from the network administrator.

  • Page 50: Dial Backup Application

    Dial a specified number when a DBU activation condition is detected. V.34, ISDN, or 4-Wire Switched 56 DTE Device Switched Network DTE Device DSU IV ESP DSU IV ESP Figure 4-3. Dial Backup Application DSU IV ESP User Manual 61204011L1-1...

  • Page 51: Entering Dial Backup Mode

    Quick Operation During Critical Times The DSU IV ESP allows the user to select the conditions that initiate the dial backup mode. The factory default enables DBU mode upon detection of these conditions. The following four conditions can cause a DSU IV ESP to enter dial backup mode:...

  • Page 52: Answer Always

    The DBU Answer Test is disabled if this option is chosen. Operation During Noncritical Times The DSU IV ESP may be configured not to enter dial backup mode if data terminal ready (DTR) is low. This feature prevents the DSU IV ESP from entering dial backup during noncritical times such as nights and weekends.

  • Page 53: Conditions For Returning To The Dds Circuit

    Chapter 4. Applications Conditions for Returning to the DDS Circuit The DSU IV ESP can be configured to automatically revert to the DDS circuit from the dial backup mode or wait to be returned to the DDS manually. Once the DSU IV ESP enters dial backup mode, the unit polls the DDS circuit once every 100 ms to determine if the condition causing the DDS circuit failure has been corrected.
  • Page 54 Chapter 4. Applications DSU IV ESP User Manual 61204011L1-1...

  • Page 55: Chapter 5. Configuration Overview

    Configuration Overview Chapter 5 The DSU IV ESP contains four different user profiles (sets of configuration options) stored in read only memory; see Configuration Profiles on page D-1. The unit is shipped from the factory with profile number 1 (default configuration) loaded into the current (nonvolatile configuration) memory.
  • Page 56 Descriptions of individual menu options are provided throughout this manual based on the front panel menu structure. See Figure 5-1 on page 5-3 and Figure 5-2 on page 5-4 for the front panel configuration menu trees. DSU IV ESP User Manual 61204011L1-1...

  • Page 57: Figure 5-1. Configuration Menu Tree For Network, Dte, And Test Options

    3= EIA LLB EN/DIS 1= Disabled 2= Enabled 4= EIA RLB EN/DIS 1= Disabled 2= Enabled 1= Disabled 5= DBU Answer Test 2= Enabled Figure 5-1. Configuration Menu Tree for Network, DTE, and Test Options 61204011L1-1 DSU IV ESP User Manual...
  • Page 58 3= Set Date 2= Set Day 3= Set Year 3= Software Rev Version CHKSUM Rev X XXXX 4= LAN Mac Address 5= Serial Number xxxxxxxxxxxxxx Figure 5-2. Configuration Menu Tree for Dial, Management, and Utilities Options DSU IV ESP User Manual 61204011L1-1...

  • Page 59: At Commands

    To exit the data mode and enter the command mode, the asynchronous DTE device must transmit a proper escape sequence of three pluses (+++) to the DSU IV ESP. A specified time delay must occur between the last data character and the first escape sequence character.

  • Page 60: V.25 Bis Commands

    Chapter 5. Configuration Overview V.25 Bis Commands When configured for the V.25 bis option, the DSU IV ESP accepts in-band dialing and configuration commands from both synchronous and asynchronous DTE ports. The V.25 bis option supports the following protocols: •...

  • Page 61: Character Format

    Command Structure [V.25 bis COMMAND][CR][LF] Command Descriptions The ADTRAN V.25 bis command set is a subset of the CCITT V.25 bis command set. In addition to the CCITT commands supported, ADTRAN has added configuration commands for both local and remote DSUs. The ADTRAN V.25 bis command set follows:...

  • Page 62: Syntax And Possible Responses

    CNL (Configuration Local) This command is used to pass AT commands to the local DSU via the V.25 bis command processor. This allows the DSU IV ESP to be configured with AT commands using a synchronous interface. The format is as follows: CNL[LOCAL PASSWORD];AT[ONE OR MORE AT COMMANDS]...

  • Page 63: Chapter 6. Configuring Network Options

    The N configuration parameters control the loop ETWORK PTIONS operation of the DSU IV ESP. Once a parameter is set, C OMMAND is displayed briefly before returning to the active menu. CCEPTED Table 6-1 on page 6-3 shows the AT commands used to set the Network Options.

  • Page 64: Figure 6-1. Network Options Menu Tree

    3= REMOTE CONFIG 1= DISABLED 2= ENABLED 4= NETWORK TYPE 1= DEDICATED 2= AT&T/MCI SW56 3= US SPRINT SW56 5= CLOCK SOURCE 1= MASTER 2 = FROM NETWORK Figure 6-1. Network Options Menu Tree DSU IV ESP User Manual 61204011L1-1...

  • Page 65: Loop Rate

    DTE rate. Eight loop rate selections are available. See Figure 6-1. The default factory setting is A . The various loop rates and format selections are listed in Table 6-1 on page 6-3 with the 61204011L1-1 DSU IV ESP User Manual...

  • Page 66: Network Address

    ASTER ETWORK When the DSU IV ESP is set to the Master Clock source, it will default to its internal oscillators as the clock reference. To enable the External DTE Port as the reference clock for the circuit, see Chapter 7, Configuring DTE Options on page 7-1 regarding the transmit clock options.

  • Page 67: Chapter 7. Configuring Dte Options

    The DTE O menu is used to select the configuration PTIONS parameters that control the operation of the DTE Interface of the DSU IV ESP. The DTE O menu tree is shown in Figure 7-1 on PTIONS page 7-2. The AT commands and their available options are shown in Table 7-1 on page 7-3.

  • Page 68: Figure 7-1. Dte Options Menu Tree

    A= SR Options 1= Forced On 2= Off OOS Only 3= Off LOCD Only 4= Off Test Only 5= Off Test + OOS 6= Off Test + LOCD Figure 7-1. DTE Options Menu Tree DSU IV ESP User Manual 61204011L1-1...

  • Page 69: Table 7-1. Dte Options At Commands

    Enables V.25 (bisync or async) command mode for DTE Transmit Clock 1 = Normal &X0 Tx Clock from DSU selected 2 = External &X1 ETC Clock from DTE selected 3 = Invert &X3 Inverted Tx Clock from DSU selected 61204011L1-1 DSU IV ESP User Manual...
  • Page 70 Dial Stored #2: TR goes off to on (SW 56 only) 5 = No DBU if Off &D3 No dial backup if TR is off. (valid only when DBU ESP card is installed and Net- work Type is set to Dedicated). DSU IV ESP User Manual 61204011L1-1...

  • Page 71: Dte Rate

    ETWORK The factory default setting is S If the DSU IV ESP is set for a loop rate of 64 kbps, then scrambler on/off options are available. The factory default setting is CRAMBLER For 64 kbps clear channel operation, the DTE data sequences might mim- ic network loop maintenance functions and erroneously cause other net- work elements to activate loopbacks.

  • Page 72: Connector Type

    The DTE C option is used to enable a DTE command mode OMMAND or disable all modes. The available modes are AT V.25 synchronous, and V.25 bisynchronous/asynchronous commands. See Table 7-1 on page 7-3. DSU IV ESP User Manual 61204011L1-1...

  • Page 73: Transmit Clock

    RANSMIT LOCK used to transfer data from the DTE into the DSU IV ESP. Table 7-1 on page 7-3 shows the AT commands used to set the T RANSMIT options. Figure 7-2 shows the menu path used to set the LOCK Transmit Clock option.

  • Page 74: Clear To Send (Cs) Options

    Table 7-3. Short & Long Delays at Different Operating Speeds Rate Short Delay Long Delay 1.1 ms 16.1 ms 1.1 ms 16.1 ms 19.2 1.5 ms 16.5 ms 1.5 ms 16.5 ms 1.5 ms 16.5 ms DSU IV ESP User Manual 61204011L1-1...

  • Page 75: Anti-Stream

    The A option is used to select the anti-stream timeout. TREAM The anti-stream timeout is the maximum time the DSU IV ESP transmits data into the network from the DTE. This feature prevents one DTE device on a multi-drop network from continuously tying up the transmit circuit back to the master DSU.

  • Page 76: Data Set Ready (Sr) Options

    To activate the SR O , press . The factory Shift + A Enter PTIONS default setting is O . Table 7-1 on page 7-3 shows the AT commands for setting SR options. 7-10 DSU IV ESP User Manual 61204011L1-1...

  • Page 77: Chapter 8. Configuring Test Options

    2= Remote Enter Addr. 3= EIA LLB EN/DIS 1= Disabled 2= Enabled 4= EIA RLB EN/DIS 1= Disabled 2= Enabled 5= DBU Answer Test 1= Disabled 2= Enabled Figure 8-1. Test Options Menu Tree 61204011L1-1 DSU IV ESP User Manual...

  • Page 78: Test Timeout

    Enter the timeout in two-digit decimal value. The factory default setting is (0). Remote Digital Loopback (RDL) The RDL option specifies whether the DSU IV ESP responds to an RDL request from the far end of the circuit. The factory default setting is RDL A CCEPTED...

  • Page 79: Eia Llb

    Chapter 8. Configuring Test Options EIA LLB The EIA LLB (Electronics Industries Association local loopback) option specifies whether the DSU IV ESP responds to the local loopback input from the DTE. The factory default setting is ISABLED EIA RLB The EIA RLB (remote loopback) option specifies whether the DSU IV ESP responds to the RLB input from the DTE.
  • Page 80 Chapter 8. Configuring Test Options DSU IV ESP User Manual 61204011L1-1...

  • Page 81: Chapter 9. Configuring Dial Options

    DIAL BACKUP MODULES The DSU IV ESP provides an optional dial backup slot in the rear of the chassis for disaster recovery across the switched network in case of a primary link failure. The DSU IV ESP supports the following DBU modules: •...

  • Page 82: Figure 9-1. Dial Options Configuration Menu Tree

    ISDN DBU Option Card Switch Type 1= AT&T 5ESS 1= Enable/Disable 1= Enable 2= NT DMS-100 2= Disable 3= National ISDN 4= DBU Passcode 2= Enter Code XXXX Figure 9-1. Dial Options Configuration Menu Tree DSU IV ESP User Manual 61204011L1-1...

  • Page 83: Phone Numbers

    Chapter 9. Configuring Dial Options Phone Numbers The DSU IV ESP stores up to 10 numbers of 36 digits each. Edit a phone number by reentering the entire number. This process overwrites the previously stored number. Table 9-1 shows the AT Commands available for the P HONE option.

  • Page 84: Sw56 Auto Answer

    1 = DBU originate Originates call if DDS fails 2 = DBU answer Answers call if DDS fails DBU Criteria When Out of Service 1= Disabled No DBU for OOS 2 = Enabled DBU when OOS DSU IV ESP User Manual 61204011L1-1...
  • Page 85 Sets hour to disable dial backup Auto Restore S31=x Sets restore timer Redial Counter S57=x Sets redial counter Fail Timer S58=x Sets fail timer Wait to Redial S59=x Sets time between redial attempts 61204011L1-1 DSU IV ESP User Manual...

  • Page 86: Standard Dbu Options

    The factory default setting is E NABLE No Receive (RX) Signal When enabled, the DSU IV ESP enters backup mode when a loss of signal is detected. The factory default setting is E NABLE No Sealing Current When enabled, the DSU IV ESP enters backup mode when a loss of sealing current is detected.

  • Page 87: Answer Always

    NABLED Auto Restore Once the DDS circuit is down, the DSU IV ESP remains in backup until the DDS circuit is active for the length of time specified for the restore timer. The selection is entered in minutes (up to 255). If set to 0, the DDS must be restored manually.

  • Page 88: Redial Counter

    Chapter 9. Configuring Dial Options Redial Counter This option sets the number of times the DSU IV ESP redials the far end when entering backup mode. The redial count, which is manually entered, can be up to a maximum of 99 attempts. If the DSU IV ESP encounters a busy or reorder, it attempts to establish the call the specified number of times.

  • Page 89: Dbu Options For V.34 Card

    2= XON/XOFF Enables XON/XOFF flow control 3= CTS ONLY Enables CTS flow control from DCE 4= RTS/CTS Enables CTS flow control from DCE and RTS from DTE 5 = UNI XON/XOFF \Q4 Unidirectional XOn/XOff 61204011L1-1 DSU IV ESP User Manual...

  • Page 90: Error Control

    57.6 kbps may be achieved. For synchronous applications, the speed is limited to a maximum of 33.6 kbps for the V.34. The factory default setting is E NABLED 9-10 DSU IV ESP User Manual 61204011L1-1...

  • Page 91: Dbu Options For Isdn Card

    DBU Passcode The dial backup passcode adds an additional level of security to the DSU IV ESP. A passcode of one to ten characters can be programmed into the unit. When a dial backup connection is established, the originate unit transmits a pre-programmed passcode to the answer unit over the dial backup connection before the connection is considered valid.
  • Page 92 Chapter 9. Configuring Dial Options 9-12 DSU IV ESP User Manual 61204011L1-1...

  • Page 93: Chapter 10. Management Functions

    ANAGEMENT interface type and to set up the necessary parameters for establishing Telnet or SNMP management. See Figure 10-1 on page 10- 2 for the M menu tree. ANAGEMENT 61204011L1-1 DSU IV ESP User Manual 10-1...

  • Page 94: Figure 10-1. Management Menu Tree

    8= Sys Location 1= Disabled 9= Authen Traps 2= Enabled 1= Telnet Password 1= 10 Minutes 5= Telnet Options 2= Telnet Timeout 2= 30 Minutes 3= 60 Minutes Figure 10-1. Management Menu Tree 10-2 DSU IV ESP User Manual 61204011L1-1...

  • Page 95: Interface

    This address is necessary only if the DSU IV ESP and network manager are connected through a Gateway node. If an IP packet with an unknown IP address is received, the DSU IV ESP sends it to the Gateway. IP Security Enable/disable the IP S option.

  • Page 96: Snmp Options

    For SNMP operation, view and edit the T string. OMMUNITY The DSU IV ESP sends this string in SNMP trap messages to the network manager. The default value is dsuiv. If using front panel entry, see the section Entering Letters Using The Front Panel on page 10-6 for more information.

  • Page 97: System Name, Contact, And Location

    SNMP management station. If enabled, the DSU IV ESP sends these traps when an SNMP request with an invalid community name string is received. The ADTRAN DSU IV ESP MIB is available in the support section of the ADTRAN webpage at www.adtran.com. Telnet Options Telnet Password View/edit the Telnet password.

  • Page 98: Entering Letters Using The Front Panel

    Pressing the down arrow key advances the cursor to the next field. An underscore cursor signifies letter entry. When active, pressing the up and down arrow keys scrolls the alphabet. 10-6 DSU IV ESP User Manual 61204011L1-1...

  • Page 99: Chapter 11. Configuring Unit Utilities

    LAN MAC address, and the unit serial number. See Figure 11-1 on page 11-2 for the U menu tree. TILITIES AT commands are not available for this menu. 61204011L1-1 DSU IV ESP User Manual 11-1...

  • Page 100: Figure 11-1. Utilities Menu Tree

    3= Set Seconds 3= Set Date 1= Set Month 2= Set Day 3= Set Year 3= Software Rev. Version Chksum Rev X XXXX 4= LAN MAC Addr. 5= Serial Number Figure 11-1. Utilities Menu Tree 11-2 DSU IV ESP User Manual 61204011L1-1...

  • Page 101: Manual Command

    ANUAL OMMAND configuration and control commands for the DSU IV ESP. Figure 11-1 shows the menu path for the manual command. The available manual commands are listed in Table 11-1 on page 11-4. When...

  • Page 102: Table 11-1. Manual Commands

    Load Factory Options Option Set # 1 Option Set # 2 Option Set # 3 Option Set # 4 Network Address Lock Network Addr. Unlock Network Addr. Lock Front Panel En/Dis Disable Enable 11-4 DSU IV ESP User Manual 61204011L1-1...

  • Page 103: Time/Date

    View the current revision of the software installed in the DSU IV ESP. LAN MAC Address View the LAN MAC address. This address is available when the ESP ethernet option card is installed. Serial Number View the DSU IV ESP's serial number. 61204011L1-1 DSU IV ESP User Manual 11-5...
  • Page 104 Chapter 11. Configuring Unit Utilities 11-6 DSU IV ESP User Manual 61204011L1-1...

  • Page 105: Chapter 12. Activating Dial Functions

    Activating Dial Functions Chapter 12 DIAL OPTIONS The dial options available from the Main menu (4=D ) vary depending on the network type selection (C >N > ONFIG ETWORK ETWORK If AT&T/MCI SW56 or US S SW56 is selected, the options PRINT appear as shown in Figure 12-1.

  • Page 106: Answer Unit Connected To Dds Line

    The DSU IV ESP prompts to dial a stored number or enter a number to dial for dial backup. Stay on Leased The DSU IV ESP remains on the leased line and does not enter dial backup mode. 12-2 DSU IV User Manual...

  • Page 107: Dial Options During Dial Backup

    Dial Options During Dial Backup Hang Up Terminates the dial backup connection and attempts to reestablish communication on the DDS line. Stay On Line This DSU IV ESP remains in dial backup mode and returns to the menu. TATUS 61204011L1-1 DSU IV User Manual...
  • Page 108 Chapter 12. Activating Dial Functions 12-4 DSU IV User Manual 61204011L1-1...

  • Page 109: Chapter 13. Testing And Troubleshooting

    Testing and Troubleshooting Chapter 13 TEST OVERVIEW The DSU IV ESP performs a variety of diagnostic functions that isolate portions of the circuit to identify the problem source. Tests may be initiated and terminated through the front panel, VT 100 terminal, SNMP, or Telnet.

  • Page 110: Initiating A Test

    5= Test Pattern 2= Test 2= Remote Unit 6= Self Test 3= DBU Connection Figure 13-2. Initiating a Test Once a test is initiated, P is displayed briefly, followed LEASE by the status screen. 13-2 DSU IV ESP User Manual 61204011L1-1...

  • Page 111: Test Status Display

    ISPLAY TATUS available only after a test has been initiated (see Figure 13-4 on page 13- 4): Exit Test Exits the current test and returns to the Main menu. 61204011L1-1 DSU IV ESP User Manual 13-3...

  • Page 112: Display Status

    If the A LARM LED is on, at least one of the messages shown in Table 13-1 on page 13-5 is displayed on the LCD. 13-4 DSU IV ESP User Manual 61204011L1-1...

  • Page 113: Table 13-1. Messages From The Dsu/Csu

    Test from Telco activated a loop- Telco is testing circuit Wait until test is com- Telco back to test the DDS plete or contact telco circuit service provider 61204011L1-1 DSU IV ESP User Manual 13-5...

  • Page 114: Troubleshooting New Installs

    Chapter 13. Testing and Troubleshooting Troubleshooting New Installs Before initiating diagnostics on a newly installed unit and/or DDS circuit and before contacting ADTRAN Technical Support, please check the items in Table 13-2 to ensure the unit is configured properly. After verifying the items listed in Table 13-2, the unit should...

  • Page 115: Test Sequence For Troubleshooting New Installs Or Existing Circuits

    Run the test using all available test patterns. fails any of these tests or the Contact ADTRAN Technical Support. This informa- problem has not been deter- tion is located in the front section of this manual. mined, If an external BERT tester is available, these additional tests may be per- formed: DTE &...

  • Page 116: Local Unit Diagnostics

    Chapter 13. Testing and Troubleshooting LOCAL UNIT DIAGNOSTICS The local DSU IV ESP can perform six different tests as described in Table 13-3. Table 13-3. Test AT Commands Front Panel Display AT Command Description DTE & Loop (LL) &T10 TD/TD and TX/TX Loopbacks Loop Only (RT) &T11...

  • Page 117: Table 13-4. Dte With Test Pattern Commands

    5 - Stress Pattern # 3 _T4&T8 Stress pattern with medium ones density. Continuous series of octets: 0011 0010. 6 - Stress Pattern # 4 _T5&T8 Stress pattern with low ones density. Continuous series of octets: 0100 0000. 61204011L1-1 DSU IV ESP User Manual 13-9...

  • Page 118: Dte & Loop (Ll)

    DTE & Loop (LL) The DTE & L test splits the DSU IV ESP into two separate DTE and loop interface sections and then loops the receive data of each interface back to its respective transmit data. The DTE & L test provides a bidirectional loopback at the DSU/CSU.

  • Page 119: Loop Only (Rt)

    The L (RT) test allows the loop interface and a major portion of the DTE interface for the local DSU IV ESP to be tested from the remote site over the actual communication circuit. Figure 13-6 illustrates the loopback point and the signal paths for this test.

  • Page 120: Dte Only

    The DTE O test provides a method for testing both the DTE interface drivers and receivers of the local DSU IV ESP plus its loop transmitter and receiver. For this test, the loop transmit data is connected to the loop receive data at a point close to the physical network interface.

  • Page 121: Dte With Test Pattern

    DSU using the DSU/CSU internal test pattern generator. This test can be used to detect deficiencies within the internal drivers and receivers of the DSU IV ESP. Figure 13-8 illustrates the loopback point and the data paths for this test.

  • Page 122: Interpreting Test Results

    Chapter 13. Testing and Troubleshooting Interpreting Test Results If the unit is functioning properly, the DSU IV ESP displays: DTE WITH TP TST ERR=XX The first line of the display indicates the type of test being performed, while the second line of the display indicates the number of errors accumulated by the test pattern detector.

  • Page 123: Test Pattern

    Chapter 13. Testing and Troubleshooting Test Pattern The T option converts the local DSU IV ESP into a ATTERN BERT tester for the purpose of testing the DDS circuit. If this test is used, the remote DSU/CSU must be in loopback or transmitting a test pattern.

  • Page 124: Self Test

    Chapter 13. Testing and Troubleshooting Self Test The S verifies current operation of the DSU IV ESP. It can be performed at any time and is recommended if there is any question about the DSU's health. Test Purpose The purpose of this test it to determine if the DSU is functioning properly.

  • Page 125: Remote Unit Diagnostics

    Chapter 13. Testing and Troubleshooting REMOTE UNIT DIAGNOSTICS A remote DSU IV ESP can perform seven different tests; see Table 13-5. Table 13-5. Remote Tests and AT Commands Front Panel Description Command 1 - 2047 Pattern _T0&T7 Standard 2047 random data pattern.

  • Page 126: Test Purpose

    The test purpose is to test the local DSU, the DDS circuit, and the remote DSU. Initiating Follow the menu path outlined in Figure 13-11 to place a remote DSU IV ESP into loopback. 1= 2047 Pattern 1= Local Unit 2= 511 Pattern...

  • Page 127: Figure 13-12.Dbu Connection Test

    Chapter 13. Testing and Troubleshooting DBU CONNECTION When the DSU IV ESP is equipped with a dial backup option, the option appears as one of the T menu DBU C ONNECTION selections. This test allows the dial backup network to be tested while data is transmitted on the main line.

  • Page 128: Figure 13-13.Initiating A Dbu Connection Test

    Chapter 13. Testing and Troubleshooting Test Purpose The purpose of this test is to verify that the DBU circuit and DBU modules in both the local and remote DSU IV ESP are functioning properly. Initiating Follow the menu path outlined in Figure 13-13 to initiate a DBU connection test.

  • Page 129: Chapter 14. Viewing Status Information

    TATUS status of the network and the DTE interfaces. After 30 seconds of no front panel operation, the DSU IV ESP automatically reverts to the Status display; see Figure 14-1. This screen only...

  • Page 130: Network Rate, Dte Rate, And Data Format

    V.34 DBU Status V.34 backup option installed. DBU Status Not Installed No backup service option card installed in the DSU IV ESP unit. Current Status of Dial Backup Mode This display line (see Figure 14-1 on page 14-1) indicates the backup service status.

  • Page 131: Dialing

    Incoming Call Incoming call messages being received. In Dial Backup The DSU IV ESP is currently in dial backup mode. No RX Signal Sealing current detected but no data signal received from telco. Also indicates ISDN line is inactive.

  • Page 132: Dbu Test Pattern

    The originating DSU IV ESP is waiting on a call from the remote end. Inactive A DBU card is installed but the DSU IV ESP is set to SW56 mode. Getting TEI The ISU card is getting its first terminal endpoint identifier from the network.

  • Page 133: Dte Control Leads And Status

    Four additional DTE interface leads are displayed with their current status (on or off) displayed below. The leads are identified as follows: TR - Data terminal ready SR - Data set ready LLB - Local loopback RLB - Remote loopback. 61204011L1-1 DSU IV ESP User Manual 14-5...
  • Page 134 Chapter 14. Viewing Status Information 14-6 DSU IV ESP User Manual 61204011L1-1...

  • Page 135: Appendix A. Pinouts

    Pinouts Appendix A The following tables give the pin assignments for the connectors located on the back of the DSU IV ESP, the DBU cards, and ESP ethernet card. For more information on the connectors, see Chapter 2 Installation on page 2-1.

  • Page 136: Table A-1. Pin Assignments For Telco Connector

    Transmit Data from DSU to Network-Ring 1 Transmit Data from DSU to Network-Tip 1 Not Used Receive Data from Network to DSU-Tip Receive Data from Network to DSU-Ring V.34 and 1 B+D ISDN Not Used Network-Tip Network-Ring Not Used DSU IV ESP User Manual 61204011L1-1...

  • Page 137: Table A-3. Pin Assignments For Primary Eia-232 Connector

    Received Line Signal Detector (CD) +12 Test Point -12 Test Point Transmit Clock (TC) Receive Clock (RC) Local Loopback (LL) Data Terminal Ready (TR) Remote Loopback (RL) Ring Indicator (RI) External TX Clock (ETC) Test Indicator (T1) 61204011L1-1 DSU IV ESP User Manual...

  • Page 138: Table A-4. Pin Assignments For Primary V.35 Connector

    Receiver Signal Element Timing (SCR-B) Transmitted Data (SD-A) Transmitted Data (SD-B) Transmitter Signal Element Timing (SCT-A) Transmitter Signal Element Timing (SCT-B) External TX Signal Element (SCX-A) External TX Signal Element (SCX-B) Test Indicator (TI) DSU IV ESP User Manual 61204011L1-1...

  • Page 139: Table A-5. Pin Assignments For Control Connector

    The positive signal for the RD differential pair. This signal contains the serial input data stream received from the network. not used The negative signal for the RD differential pair (pins 3 and 6). not used 61204011L1-1 DSU IV ESP User Manual...
  • Page 140 Appendix A. Pinouts DSU IV ESP User Manual 61204011L1-1...

  • Page 141: Appendix B. At Commands

    AT Commands Appendix B Table B-1 shows the AT commands available for the DSU IV ESP. Table B-1. AT Commands Command Title Default Reexecute Command none Answer none ATDn Dial Number none Echo Command Hang Up Call none Go Online...
  • Page 142 DTE Routing Main/Backup AT_N=xx Set Network Address none AT_Pn Front Panel Enable/Disable AT_Rn RLB Enable/Disable AT_S=xx Set Serial Number none AT_Tn Select Test Pattern AT_Xn Clock Source Select AT_Yn Secondary Channel Rate Select 0 DSU IV ESP User Manual 61204011L1-1...

  • Page 143: Table B-2. Dte Options At Commands

    Enables V.25 (bisync or async) command mode for DTE Transmit Clock 1 = Normal &X0 Tx Clock from DSU selected 2 = External &X1 ETC Clock from DTE selected 3 = Invert &X3 Inverted Tx Clock from DSU selected 61204011L1-1 DSU IV ESP User Manual...
  • Page 144 Dial Stored #2: TR goes off to on (SW 56 only) 5 = No DBU if Off &D3 No dial backup if TR is off. (valid only when DBU ESP card is installed and Net- work Type is set to Dedicated). DSU IV ESP User Manual 61204011L1-1...
  • Page 145 4 = Off Test only &S0_C0 Off for test only 5 = Off test + OOS &S1_C0 Off for test and OOS 6 = Off test + LOCD &S5 Off 5 seconds after disconnect or test 61204011L1-1 DSU IV ESP User Manual...

  • Page 146: Table B-3. Network Options At Commands

    1 = DISABLED &P4 2 = ENABLED &P5 Network Type 1 = DEDICATED none 2 = AT&T/MCI SW56 none 3 = US SPRINT SW56 none Clock Source 1 = Master 2 = FROM NETWORK DSU IV ESP User Manual 61204011L1-1...

  • Page 147: Table B-4. Test Options At Commands

    Remote unit accepts DBU tests from far end Table B-5. AT Commands for Storing Phone Numbers AT Command Description &Zn= Store Phone Number &Z9 Enter SPID Number for ISDN dial backup &Z10= Edit LDN for ISDN dial backup 61204011L1-1 DSU IV ESP User Manual...

  • Page 148: Table B-6. Dbu Options At Commands For All Models

    No DBU when sealing current absent 2 = Enabled DBU when sealing current absent When All 1s/0s 1= Disabled No DBU when all 1s/0s detected 2 = Enabled DBU when all 1s/0s condition exists DSU IV ESP User Manual 61204011L1-1...
  • Page 149 Sets hour to disable dial backup Auto Restore S31=x Sets restore timer Redial Counter S57=x Sets redial counter Fail Timer S58=x Sets fail timer Wait to Redial S59=x Sets time between redial attempts 61204011L1-1 DSU IV ESP User Manual...

  • Page 150: Table B-7. Dbu Options At Commands For V.34 Card

    2= XON/XOFF Enables XON/XOFF flow control 3= CTS ONLY Enables CTS flow control from DCE 4= RTS/CTS Enables CTS flow control from DCE and RTS from DTE 5 = UNI XON/XOFF \Q4 Unidirectional XOn/XOff B-10 DSU IV ESP User Manual 61204011L1-1...
  • Page 151 Appendix B. AT Commands Table B-7. DBU Options AT Commands for V.34 Card (Continued) Front Panel AT Command Description Compression 1= Disabled Compression disabled 2 = Enabled Compression enabled 61204011L1-1 DSU IV ESP User Manual B-11...
  • Page 152 Appendix B. AT Commands B-12 DSU IV ESP User Manual 61204011L1-1...

  • Page 153: Appendix C. Terminal Menu Structure

    Terminal Menu Structure Appendix C This appendix describes the terminal menus used when managing the DSU IV ESP through either a VT 100 terminal interface or a Telnet session. The terminal menu tree is shown in Figure C-1 on page C-2. An example of a terminal screen is shown in Figure C-2 on page C-3.

  • Page 154: Figure C-1. Terminal Menu Tree

    5= Front Panel 6= Enter Manual CMD Dedicated network type with no DBU card installed 6=N/A SW56 network type 6= Dial SW56 1= Dial Stored Number 2= Manual Dial Entry Figure C-1. Terminal Menu Tree DSU IV ESP User Manual 61204011L1-1...

  • Page 155: Figure C-2. Terminal Interface Main Menu

    TERMINAL INTERFACE MAIN MENU menu is the opening menu to all operations ERMINAL NTERFACE of the DSU IV ESP. Select one of the choices by pressing the corresponding number; then press . See Figure C-2. Enter selection in the terminal Main menu is determined by two things: the Network Type selected in the Configuration menu and the presence/absence of a DBU card.

  • Page 156: Figure C-3. Status Menus

    Appendix C. Terminal Menu Structure Status Menus menus display all relevant information for the network and TATUS DTE interfaces. See Figure C-3. For more information, see Viewing Status Information on page 14-1. Figure C-3. Status Menus DSU IV ESP User Manual 61204011L1-1...

  • Page 157: Figure C-4. Remote Configuration Options

    , the remote address must be EMOTE ONFIGURATION entered through the menu shown in Figure C-4. After entering the address, the menu in Figure C-5 appears. Figure C-4. Remote Configuration Options Figure C-5. Main Configuration Menu 61204011L1-1 DSU IV ESP User Manual...

  • Page 158: Figure C-6. Dsu Configuration Menu

    DTE Options on page 7-1, Configuring Test Options on page 8-1, and Configuring Dial Options on page 9-1 include detailed descriptions of these parameters. Figure C-6 shows the DSU Configuration menu. Figure C-6. DSU Configuration Menu DSU IV ESP User Manual 61204011L1-1...

  • Page 159: Figure C-7. S4W Dial Backup

    ONFIGURATION message appears. Press the DSU IV ESP DBU NOT INSTALLED to return to the previous screen of selections. If this message is received when a card is installed, ensure that the card is properly seated in the slot and then restart the unit.

  • Page 160: Figure C-8. Management Menu

    10-1 for more information. The menu is shown in ANAGEMENT Figure C-8. The SNMP menu which branches from the ANAGEMENT menu is shown in Figure C-9. Figure C-8. Management Menu Figure C-9. SNMP Management Menu DSU IV ESP User Manual 61204011L1-1...

  • Page 161: Figure C-10.Utility Menu

    View/set the time of day and date, view the LAN MAC address (if the ESP ethernet card is installed), enable/disable the front panel, or enter manual commands. Configuring Unit Utilities on page 11-1 provides more detailed information. See Figure C-10. Figure C-10. Utility Menu 61204011L1-1 DSU IV ESP User Manual...

  • Page 162: Figure C-11. Local Test Options Menu

    EMOTE menu is shown in Figure C-12. For information on PTIONS these menu items, see Testing and Troubleshooting on page 13-1. Figure C-11. Local Test Options Menu Figure C-12. Remote Test Options Menu C-10 DSU IV ESP User Manual 61204011L1-1...

  • Page 163: Figure C-13.Sw56 Dialing Menu

    Dial SW56 Options This menu is available when operating in SW56 mode (see Figure C-13). Choose to dial a stored number or enter a number manually. Figure C-13. SW56 Dialing Menu 61204011L1-1 DSU IV ESP User Manual C-11...

  • Page 164: Figure C-14.Dial Esp Dbu Menu

    Appendix C. Terminal Menu Structure Dial ESP DBU The menu shown in Figure C-14 is available when an ESP option card is installed in the DSU IV ESP and the is set to ETWORK EDICATED See Chapter 12, Activating Dial Functions on page 12-1 for more information on individual menu selections.

  • Page 165: Appendix D. Configuration Profiles

    Profiles 3 and 4 are identical to profile 1 with the addition of dial backup capability. These profiles are used for enabling dial backup using two DSU IV ESP units. One unit must be set for A NSWER the other for O .

  • Page 166: Table D-1. Configuration Profiles

    Network Network Network DTE Options Remote DSU Address DTE Rate (56k loop) 56k/57.6k 56k/57.6k 56k/57.6k 56k/57.6k Scrambler Mode Connector Type V.35 RS-232 V.35 V.35 DTE Data Format SYNC ASYNC SYNC SYNC DTE Command Options DSU IV ESP User Manual 61204011L1-1...
  • Page 167 Network Type AT&T AT&T AT&T AT&T Error Control Auto Auto Auto Auto V.42/MNP V.42/MNP V.42/MNP V.42/MNP Flow Control (V.32) CTS Only CTS Only CTS Only CTS Only Data Compression (V.32) Enabled Enabled Enabled Enabled 61204011L1-1 DSU IV ESP User Manual...
  • Page 168 Appendix D. Configuration Profiles DSU IV ESP User Manual 61204011L1-1...

  • Page 169: Appendix E. Dsu To Dsu Tail Circuit

    ADTRAN DSU/CSU units will operate in this configuration. ADTRAN does not recommend the tail circuit mode due to the potential for clock slippage and data loss when using this configuration. Moreover, further problems can occur when each DDS circuit is using a different master clock source and will require additional hardware called a tail cir- cuit buffer to reduce the risk of data overruns and clock slips.

  • Page 170: Figure E-1. Dds Tail Circuit

    Appendix E. DSU to DSU Tail Circuit Loop Loop NETWORK NETWORK Tail circuit crossover cable Figure E-1. DDS Tail Circuit DSU IV ESP User Manual 61204011L1-1...

  • Page 171: Figure E-2. Standard Eia-232-D Crossover Cable

    An EIA-232 DB-25 DSU tail circuit cable diagram for a DSU tail circuit application is shown in Figure E-2. Chassis Ground Chassis Ground Signal Ground Signal Ground CD (RLSD) CD (RLSD) RC (SCR) RC (SCR) ETC (SCR) ETC (SCR) Figure E-2. Standard EIA-232-D Crossover Cable 61204011L1-1 DSU IV ESP User Manual...
  • Page 172 Appendix E. DSU to DSU Tail Circuit DSU IV ESP User Manual 61204011L1-1...

  • Page 173: Appendix F. Specifications Summary

    Specifications Summary Appendix F This section describes the standard specifications and features incorporated in the DSU IV ESP. Operating Modes • Dedicated DDS (point-to-point, multi-point) • Switched 56 (4-wire) • ISDN (1B+D) (in dial backup) • PSTN (V.34) (in dial backup) Network Data Rates •...
  • Page 174 Test Patterns: 2047, 511, DDS stress patterns 1-4 Line Requirements Loop transmission parameters as defined in: • AT&T PUB 62310: Dedicated DDS • AT&T PUB 4146B: Switched 56 • Sprint TS 0046: Switched 56 DSU IV ESP User Manual 61204011L1-1...
  • Page 175 Relative Humidity: Up to 95%, non-condensing Hardware Specifications • Dimensions: 2.4”H; 8.0“W, 10.4”D • Weight: 4.5 lbs. • Power: 115 Vac, 60 Hz, 75 mA max 8.6 watts • MTBF: 337,924 hours • CLEI: DDS3PKCAAA 61204011L1-1 DSU IV ESP User Manual...
  • Page 176 Appendix F. Specifications Summary DSU IV ESP User Manual 61204011L1-1...

  • Page 177: Appendix G. Acronyms/Abbreviations

    CR, C/R ..... command response cyclic redundancy check CRC ....CS ...... clear to send CSU ....channel service unit CTS....clear to send dB....... decibel DBU....dial backup DCD ....data carrier detect 61204011L1-1 DSU IV ESP User Manual...
  • Page 178 IA ....... inactive IP......internet protocol ISDN ....integrated services digital network ITU..... International Telecommunications Union KA...... keep alive kbps....kilobits per second LAN ....local area network LED....light emitting diode LI......link integrity DSU IV ESP User Manual 61204011L1-1...
  • Page 179 SDLC....serial line internet protocol SLIP....SNA....systems network architecture SNMP ....simple network management protocol SPID ....service profile identifier SR ...... data set ready switched virtual circuit SVC ....61204011L1-1 DSU IV ESP User Manual...
  • Page 180 Appendix G. Acronyms/Abbreviations SW56 ....switched 56 sync....synchronous TD ...... transmit data TR ...... data terminal ready Tx ....... transmit UA...... unavailable UNI ....user-to-network interface VRC ....vertical redundancy check WAN....wide area network DSU IV ESP User Manual 61204011L1-1...

  • Page 181: Appendix H. Glossary

    Bridges are generally used to connect LAN segments to other LAN segments or to a WAN. They route traffic on the Level 2 LAN protocol (e.g. the Media Access Control address), which occupies the lower sub-layer of the LAN OSI data link layer. See also router. 61204011L1-1 DSU IV ESP User Manual...
  • Page 182 Its numerical value is computed based on the content of the frame. This value is compared with a recomputed value of the function at the destination device. DSU IV ESP User Manual 61204011L1-1...
  • Page 183 A unique number assigned to a PVC end point in a frame relay network. Identi- fies a particular PVC endpoint within a user's access channel in a frame relay network and has local significance only to that channel. 61204011L1-1 DSU IV ESP User Manual...
  • Page 184 LAN. The device per- forms error recover and flow control functions as well as end-to-end acknowl- edgment of data during data transfer, thereby significantly reducing overhead within the frame relay network. DSU IV ESP User Manual 61204011L1-1...
  • Page 185 See also synchro- nous data link control (SDLC). host computer The primary or controlling computer in a multiple computer operation. in-band Signaling (dialing, diagnostics, management, configuration, etc.) over the same channel used for data. 61204011L1-1 DSU IV ESP User Manual...
  • Page 186 Signaling that is separated from the channel carrying information (voice, data, video, etc.). Typically the separation is accomplished by a filter. The signaling includes dialing and other supervisory signals. DSU IV ESP User Manual 61204011L1-1...
  • Page 187 Type of communications link that connects a single device to another single device, such as a remote terminal to a host computer. remote configuration A feature designed into ADTRAN DSU/CSU products that allow remote DSU/ CSU to be configured from a local DSU/CSU or VT-100 compatible terminal. 61204011L1-1...
  • Page 188 A signal on the EIA-232 interface that indicates if the communica- tions is connected and ready to start handshaking control signals so communica- tions can begin. DSU IV ESP User Manual 61204011L1-1...
  • Page 189 SDLC is a subset of the HDLC protocol developed by ISO. TELNET The standard TCP/IP remote login protocol specified in RFC-854. VT-100 A non-intelligent terminal or terminal emulation mode used for asynchronous communications. Used to configure the DSU IQ. 61204011L1-1 DSU IV ESP User Manual...
  • Page 190 Appendix H. Glossary H-10 DSU IV ESP User Manual 61204011L1-1...
  • Page 191 5-7 DBU connection AT commands on test menu, 13-19 configuration, 5-5 DBU status not installed, 14-2 for DSU IV ESP, B-1 DDS operation, 1-3 for remote tests, 13-17 DDS tail circuit, E-1 test 13-8 dial back up application, 4-4...
  • Page 192 ESP option card menu, C-12 network options, 6-1 network type FCC radio frequency interference, viii S4W card, 9-8 FCC regulations, vii features of DSU IV ESP 1-1 phone number storage, 9-3 front panel pinouts description of, 3-5 10BaseT Connector, A-5...
  • Page 193 V.35 connector, 3-10 telnet timeout, 10-5 V.35 electrical interface, 1-2 terminal main menu, C-3 VT 100 terminal connection and operation, 3-11 terminal menu dial selection, C-3 warranty, xii for VT 100 and telnet, C-1 61204011L1-1 DSU IV ESP User Manual Index-3...

  • Page 194: Index

    Index Index-4 DSU IV ESP User Manual 61204011L1-1...

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