Adtran DSU IV ESP-2 User Manual

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DSU IV ESP

Data Service Unit with Embedded SNMP

User Manual

61204011L1-1B May 2001

Part Number 1204011L1 1204001L1 1204002L2 1204004L1 1204005L1

Version DSU IV ESP ESP 4-wire Switched 56 DBU Card ESP V.34 DBU Card ESP ISDN DBU Card ESP Ethernet Card

Trademark Information:

Hayes is a registered trademark of Hayes Microcomputer Products, Inc. Openview is a registered trademark of Hewlett-Packar d 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

Printed in U.S.A.

The following conventions are used in this manual.

Notes provide additional useful information.

Cautions signify information th at cou ld 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:

1. Do not use this product nea r water, such as near a bathtub, wash bowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pool.

2. Avoid using a telephone (other than a cordless-type) during an electrical storm. There is a remote risk of shock from lightning.

3. Do not use the telephone to report a gas leak in the vicinity of the leak.

4. Use only the power cord, power supply , and/or batteries indicated in the manual. Do not dispose of batteries in a fire. They may explode. Check with local codes for special disposal instructions.

Save These Important Safety Instructions

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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.

• The affidavit shall affirm that either no encoded analog content or billing information is being transmitted or that the output of the device meets Part 68 encoded analog content or billing protection specification.

• End use/customer will be responsible to file an affidavit with the local exchange carrier when connecting unprotected CPE to a 1.544 Mbps or subrate digital service.

• Until such time as subrate digital terminal equipment is registered for voice applications, the affidavit requirements for subrate services are waived.

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. The terminal equipment to be connected complies with Part 68 of the FCC rules except for the encoded analog content and billing protection specificati on. With respect to encoded analog content and billing protection:

( ) I attest that all opera tions associated with the establishment, maintenance and adjustment of the digital CPE with respect to encoded analog content and billing protection information continuously complies with Pa r t 68 of the FCC rules and Regulations.

( ) The digital CPE does not transmit digital signals containing encod ed a nalog content or billing information which is in tend ed to be decoded within the telecommunications network.

( ) The encoded analog content and billing protection is factory set and is not under the control of the customer.

I attest that the operator(s) maintainer(s) of the digital CPE responsible for the establishment, maintenance and adjustment of the encoded analog content and billing information has (have) been trained to perform these functions by successfully having completed one of the following (check appropriate blocks):

( ) A. A training course provided by the manufacturer/grantee of the equipment used to encode analog signals; or

( ) B. A training course provided by the customer or authorized representative, using training materials and instructions provided by the manufacturer/grantee of the equipment used to encode analog signals; or

( ) C. An independent training course (e.g., trade school or technical institution) recognized by the manufacturer/grantee of the equipment used to encode analog signals; or

( ) 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.

_______________ ______ Signature

_______________ ______ Title

_____________________ Date

Subscribed and sworn to before me

This _________ day of ___________________, 20__

_______________________________________ Notary Public

My commission expires: _________________________

FCC regulations require that the following information be provided in this manual:

1. This equipment complies with Part 68 of the FCC rules. On the bottom of the

equipment housing is a label that shows the FCC registration number and Ringer Equivalence Number (REN) for this equipment, if applicable. If required, this information must be given to the telepho ne company.

2. The following information may be required when applying to the local telephone

company for leased line facilities.

Service

Type

2.4 kbps Digital Interface

4.8 kbps Digital Interface

9.6 kbps Digital Interface

19.2 kbps Digital Inter face

38.4 kbps Digital Inter face 56 kbps Digital Interface 64 kbps Digital Interface

Digital Facility

Interface Code

04DU5-24 04DU5-48 04DU5-96 04DU5-19 04DU5-38 04DU5-56 04DU5-64

Service Order

Code

6.0F

Network

Jacks

RJ-48S RJ-48S RJ-48S RJ-48S RJ-48S RJ-48S RJ-48S

3. An FCC compliant telephone cord with a modular plug may be provided with

this equipment. This equipment is designed to be connected to the telephone network or premises wiring using a compatible modular jack, which is FCC Part 68 compliant. See installation instructions for details.

4. If this equipment causes harm to the telephone networ k, the telephone company

may temporarily discontinue service. If possible, advance notification is given; otherwise, notification is given as soon as possible. The telephone company will advise the customer of the right to file a complaint with the FCC.

5. The telephone company may make changes in its facilities, equipment, operations,

or proce d ures that could affec t th e p r ope r op er a t ion o f thi s eq ui pm e nt. If t his happens, the telephone company will provide advance notification and the opportunity to make the necessary modifications to maintain uninterrupted service.

6. If experiencing difficulty with this equipment, please contact ADTRAN for r epair and

warranty informatio n. If the equipment is causing harm to the network, the te lephone company may r e quest thi s e qui pme nt to b e di sc onnec te d from the network until the problem is resolved or it is certain that the equipment is not malfunctioning.

7. This unit contains no user serviceable parts.

8. The FCC recommends that the AC outlet to which equipment requiring AC

power is to be installed is provided with an AC surge arrester.

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Federal Communications Commission Radio Frequency Interference Statement

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interferen ce when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio frequencies. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.

Shielded cables must be used with this unit to ensure compliance with Class A FCC limits.

Change or modifications to this unit not expressly approved by the party responsible for complian ce c o uld void the user’s authority to operate the equipment.

Canadian Emissions Requirements

This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the interference-causing equipment standard entitled “Digital Apparatus," ICES-003 of the Department of Communications.

Cet appareil nuerique respecte les limites de bruits radioelectriques applicables aux appareils numeriques de Class A prescrites dans la norme sur le materiel brouilleur: "Appareils Numeriques," NMB-003 edictee par le ministre des Communications.

viii

Canadian Equipment Limitations

Notice: The Canadian Industry and Science Canada label identifies certified equipment. 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 connected to the facilities of the local telecommunications company . The equipment must also be installed using an acceptable methods of connection . In so me cases, the company’s inside wiring associated with a single line individual service may be extended by means of a certified connector assembly (telephone extension cord). The customer should be aware that compliance with the above limitations may not prevent degradation of service in some situations.

Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier. Any repairs or alterations made by the user to this equipment, or equipment malfunctions, may give the telecommunications company cause to request the user to disconnect the equipment.

Users should ensure for their own protection that the electrical ground connections of the power utility, telephone lines and internal metallic water pipe system, if present, are connected together. This precaution may be particularly important in rural areas.

Users should not attempt to make such connections themselves, but should contract the appropriate electric inspection authority, or an electrician, as appropriate.

The Load Number (LN) assigned to each terminal device denotes the percentage of the total load to be connected to a telephone loop which is used by the device, to prevent overloading. The termination on a loop may consist of any combination of devices subject only to the requirement that the total of the Load Numbers of all devices does not exceed 100.

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 function al i ty and su pports data rates up to 64 kbps.

Request an ISDN Basic Rate Interface (BRI) line with the follo wing featur es:

• U-interface reference point

• 2BIQ line coding

• 1 B+D Service (supports up to 64 kbps)

The DSU IV ESP ISDN supports the following switch types and software protocols:

• AT&T 5ESS - Custom, 5E6 and later software, National ISDN-1

• NT DMS-100 BCS-32 and later software (Pvc1), National ISDN-1 (Pvc2)

• Siemens EQSD National ISDN-1

Request that the ISDN line allocate one DYNAMIC Terminal Endpoint Identifier (TEI) for the number

For service offered from an AT&T 5ESS, request a point-to-point line with the following features:

•Feature: Value

•B1 Service: On Demand (DMD)

• Data Line Class: Point-to-Point

• Maximum B Chan ne ls: 1 (1B+D)

• Circuit Switched Data (CSD) Bearer Channels: Any

•Number of CSD Calls: 1 (1B+D)

•Terminal Type: Type A

Turn the Following Features Off:

• Packet Mode Data

• Multi-line Hunt

• Multiple Call Appearances

• Electronic Key Telephone Sets (EKTS)

•Shared Dictionary Numbers

• Accept Special T y pe of Number

•Intercom Groups

• Network Resource Selector (Modem Pools)

•Message Waiting

•Hunting

• InterLata Competition

For Service offered from a Northern T elecom DMS-100, request a Point-to-Point MultiPoint line with the following features:

•Line Type: Basic Rate, Functional

• Electronic Key Telephone Sets (EKTS): No

• Call Appearance Handling (CACH): No

• Non-Initializing Terminal: No

• Circuit Switched Service: Yes

• Packet Switched Service: No

•TEI: Dynamic

• Bearer Service: Circuit Switched voice and data permitted on any B channel (packet

mode data not permitted).

Limited Product Warranty

ADTRAN warrants that for five (5) years from the date of shipment to Customer, all products manufactured by ADTRAN will be free from defects in materials and workmanship. ADTRAN also warrants that products will conform to the applicable specifications and drawings for such products, as contained in the Product Manual or in ADTRAN's internal specifications and drawings for such products (which may or may not be reflected in the Product Manual). This warranty only applies if Customer gives ADTRAN written notice of defects during the warranty period. Upon such notice, ADTRAN will, at its option, either repair or replace the defective item. If ADTRAN is unable, in a reasonable time, to repair or replace any equipment to a condition as warranted, Customer is entitled to a full refund of the purchase price upon return of the equipment to ADTRAN. Thi s warrant y applies only to the original purchaser and is not transferable without ADTRAN's express written permission. This warranty becomes null and void if Customer modifies or alters the equipment in any way, other than as specific a lly authorized by ADT RAN.

EXCEPT FOR THE LIMITED WARRANTY DESCRIBED ABOVE, THE FOREGOING CONSTITUTES THE SOLE AND EXCLUSIVE REMEDY OF THE CUSTOMER AND THE EXCLUSIVE LIABILITY OF ADTRAN AND IS IN LIEU OF ANY AND ALL OTHER WARRANTIES (EXPRESSED OR IMPLIED). ADTRAN SPECIFICALLY DISCLAIMS ALL OTHER W ARR ANTIES, INCLUDING (WITHOUT LIMITATION), ALL WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. SOME STATES DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES, SO THIS EXCLUSION MAY NOT APPLY TO CUSTOMER.

In no event will ADTRAN or its suppliers be liable to Customer for any incidental, special, punitive, exemplary or consequential damages experienced by either Customer or a third party (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. Some states do not allow the limitation or exclusion of liability for incidental or consequential damages, so the above limitation or exclusion may not apply to Customer.

xii

Customer Service, Product Support Information, and Training

ADTRAN will replace or repair this product within five years from the date of shipment if the product does not meet its published specification, or if it fails while in service.

A return material authorization (RMA) is required prior to returning equipment to ADTRAN. For service, RMA requests, training, or more information, see the toll-free contact numbe r s gi v e n be lo w.

Presales Inquiries and Applications Support

Please contact your local distributor, ADTRAN Applications Engineering, or ADTRAN Sales:

Applications Engineering (800) 615-1176 Sales (800) 827-0807

Post-Sale Support

Please contact your local distributor first. If your local distributor cannot help, please contact ADTRAN Technical Support and have the unit serial number available.

Technical Support (888) 4ADTRAN

The Custom Extended Services (ACES) program offers multiple types and levels of service plans which allow you to choose the kind of assistance you need. For questions, call the ACES Help Desk.

ACES Help Desk (888) 874-2237

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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:

CAPS Department (256) 963-8722

Identify the RMA number clearly on the package (below address), and return to the following address:

ADTRAN Customer and Product Service 901 Explorer Blvd. Huntsville, Alabama 35806

RMA # _____________

Training

The Enterprise Netw or k (EN) T ec hni cal Tra ini ng Dep ar tme nt of fe rs train in g on our most popular products. These courses include overviews on product features and functions while covering applications of ADTRAN's product lines. ADTRAN provides a variety of training options, including customized training and courses taught at our facilities or at your site. For more information about training, please contact your Territory Manager or the Enterprise Training Coordinator.

xiv

Training - phone (800) 615-1176, ext. 7500 Training - fax (256) 963 7941 Training - email training@adtran.com

List of Figures ...................................................................................................................xxiii

List of Tables ...................................................................................................................... xxv

Chapter 1. Introduction

Product Overview ...............................................................................................................1-1

DDS Operation Overview............................................................................................1-3

Switched 56 Operation Overview..................................... ..... ...... ............................... 1-3

SNMP Overview ................................................................................................................. 1-4

Network Manager......................................................................................................... 1-4

Agent...............................................................................................................................1-4

MIB..................................................................................................................................1-4

Telnet .....................................................................................................................................1-5

Dial Backup Operation .......................................................................................................1-5

ESP Dial Backup Options............................................................................................. 1-6

4-Wire Switched 56 Card .............................................................................. 1-6

V.34 Card ........................................................................................................1-6

ISDN Card ...................................................................................................... 1-6

Chapter 2. Installation

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

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Table of Contents

Test ................................................................................................................... 3-2

Configuration ................................................................................................. 3-2

Dial ................................................................................................................... 3-2

Basic Menu Travel.........................................................................................................3-3

Enter .................................................................................................................3-3

Up Arrow ........................................................................................................ 3-3

Down Arrow ......................................... ......................................................... .3-3

Cancel .............................................................................................................. 3-3

Front Panel Menu Navigation .............................................................................3-4

Front Panel ...........................................................................................................................3-5

LCD Window .................................................................................................3-5

Enter .................................................................................................................3-5

Shift .................................................................................................................. 3-6

Quick ................................................................................................................3-6

Cancel .............................................................................................................. 3-6

Up and Down Arrows ................................................................................... 3-6

LED Descriptions ...........................................................................................3-6

Rear Panel .............................................................................................................................3-8

DBU and Ethernet Card Slots......................................................................................3-9

Telco Connector: Network Interface Connection.....................................................3-9

EIA-232 and V.35 Connectors: DTE Data Connection/Primary DTE.................3-10

Control Port......................................... ...... ..... ......................................................... .....3-10

VT-100 Terminal Connection And Operation ...............................................................3-11

Chapter 4. Applications

LAN Application With SNMP/Telnet Management .....................................................4-1

Minimum Configuration Requirements for SNMP/Telnet Access ...............4-3

Interface ...........................................................................................................4-3

IP Address .......................................................................................................4-3

Subnet Mask ...................................................................................................4-3

Gateway IP Address (if required) ............................................................... 4-3

Special Features of this Application ...................................................................4-3

Dial Backup Application ....................................................................................................4-4

Entering Dial Backup Mode ........................................................................................4-5

Operation During Critical Times ........................................................................4-5

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

xvi DSU IV ESP User Manual 61204011L1-1

Table of Contents

Weekend and Time of Day Lockout ...........................................................4-6

Conditions for Returning to the DDS Circuit ................................................... ..... ...4-7

Chapter 5. Configuration Overview

Configuration Methods ......................................................................................................5-1

AT Commands ..............................................................................................................5-5

V.25 Bis Commands......................................................................................................5-6

SDLC Option ......................................................................................................... 5-6

Character Format ........................................................................................... 5-6

Command Structure ...................................... ................................................5-6

Bi-Sync Option ......................................................................................................5-6

Character Format ........................................................................................... 5-6

Command Structure ...................................... ................................................5-6

Asynchronous Option ..........................................................................................5-7

Character Format ........................................................................................... 5-7

Command Structure ...................................... ................................................5-7

Command Descriptions ................................................................................5-7

Syntax and Possible Responses ........................................................................... 5-8

CNL (Configuration Local) .......................................................................... 5-8

CNR (Configuration Remote) ......................................................................5-8

Chapter 6. Configuring Network Options

Network Options ................................................................................................................. 6-1

Loop Rate .......................................................................................................................6-3

Network Address..........................................................................................................6-4

Remote Configuration.................................................................................................. 6-4

Network Type........................................................................................................ ........ 6-4

Clock Source ....................................................... ...........................................................6-4

Chapter 7. Configuring DTE Options

DTE Options ........................................................................................................................ 7-1

DTE Rate......................................................................................................................... 7-5

Connector Type.............................................................................................................7-6

Data Format................................................................................................................... 7-6

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

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Table of Contents

Chapter 8. Configuring Test Options

Test Options ....................................................................................................... ..................8-1

Test Timeout ..................................................................................................................8-2

Remote Digital Loopback (RDL).................................................................................8-2

EIA LLB .................................... ...... ..... ......................................................... ..... ...... .......8-3

EIA RLB.......................................... ........................................................ ...... ..... ............. 8-3

DBU Answer Test.......................................................................................................... 8-3

Chapter 9. Configuring Dial Options

Dial Options .........................................................................................................................9-1

Dial Backup Modules ..........................................................................................................9-1

Phone Numbers.............................................................................................................9 -3

ISDN Dial Backup.........................................................................................................9-3

Setting the Service Profile Identifier (SPID) ......................................................9-3

Setting the Local Directory (LDN) Number ......................................................9-3

SW56 Auto Answer.......................................................................................................9-4

DBU Options ..................................................................................................................9-4

Standard DBU Options.................................................................................................9-6

Automatic DBU .....................................................................................................9-6

Number to Dial ......................................................................................................9-6

Originate/Answer ................................................................................................ 9-6

DBU Criteria for Entering Dial Backup Mode ..................................................9-6

When Out of Service (OOS) ........................................................ ..................9-6

No Receive (RX) Signal ........................................ .........................................9-6

No Sealing Current ........................................................................................9-6

When all 1s/0s ................................................................................................9-6

Answer Always ..............................................................................................9-7

Weekend Lockout ..........................................................................................9-7

Daily Lockout .................................................................................................9-7

Lockout Start .................................................................................................. 9-7

Lockout End ....................................................................................................9-7

Auto Restore ..........................................................................................................9-7

Redial Counter .......................................................................................................9-8

Fail Timer ..................................................... ......................................................... .9-8

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

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DBU Options for ISDN Card.....................................................................................9-11

Switch Type ......................................................................................................... 9-11

DBU Passcode ..................................................................................................... 9-11

Chapter 10. Management Functions

Configuring Management Functions .............................................................................10-1

Interface........................................................................................................................ 10-3

Control Rate.................................................. ...... ........................................................ .10-3

IP Options .................................................................................................................... 10-3

Subnet Mask ................................................................................................. 10-3

Gateway IP Address ....................................................................................10-3

IP Security ..................................................................................................... 10-3

IP Filter Address .......................................................................................... 10-3

SNMP Options............................................................................................................. 10-4

Get Community ...........................................................................................10-4

Set Community ............................................................................................10-4

Trap Community ......................................................................................... 10-4

SNMP Traps .................................................................................................10-4

Trap IP Address ...........................................................................................10-4

System Name, Contact, and Location ....................................................... 10-5

Authentication Traps .................................................................................. 10-5

Telnet Options............................................................................................................. 10-5

Telnet Password ........................................................ ...... .............................10-5

Telnet Timeout ........................ ...... ...... ........................................................ .10-5

Entering Letters Using The Front Panel ......................................................................... 10-6

Chapter 11. Configuring Unit Utilities

Manual Command...................................................................................................... 11-3

Time/Date.................................................................................................................... 11-5

Software Revision ....................................................................................................... 11-5

LAN MAC Address.................................................................................................... 11-5

Serial Number.............................................................................................................. 11-5

Chapter 12. Activating Dial Functions

Dial Options ....................................................................................................................... 12-1

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 xix

Table of Contents

Hang Up .......................................... ...... ...... ..................................................12-3

Stay On Line ...................................................................................... ...... .....12-3

Chapter 13. Testing and Troubleshooting

Test Overview ....................................................................................................................13-1

Initiating a Test............................................................................................................13-2

Test Status Display......................................................................................................13-3

Exiting a Test................................................................................................................13-3

Exit Test .........................................................................................................13-3

Display Status ...............................................................................................13-4

Troubleshooting .................................................................................................................13-4

Messages from the DSU/CSU....................................................... ............................13-4

Troubleshooting New Installs...................................................................................13-6

Test Sequence for Troubleshooting New Installs or Existing Circuits ........ 13-7

Local Unit Diagnostics ......................................................... .............................................13-8

DTE & Loop (LL).......................................................................................................13-10

Test Purpose .......................................................................................................13-10

Interpreting Test Results .................................. ................................................13-10

Loop Only (RT)..........................................................................................................13-11

Test Purpose .......................................................................................................13-11

Interpreting Test Results .................................. ................................................13-11

DTE Only....................................................................................................................13-12

Test Purpose .......................................................................................................13-12

Interpreting Test Results .................................. ................................................13-12

DTE With Test Pattern..............................................................................................13-13

Test Purpose .......................................................................................................13-13

Interpreting Test Results .................................. ................................................13-14

Test Pattern ................................................................................................................13-15

Test Purpose .......................................................................................................13-15

Interpreting Test Results .................................. ................................................13-15

Self Test.......................... ..... ......................................................... ..... ..........................13-16

Test Purpose .......................................................................................................13-16

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

xx DSU IV ESP User Manual 61204011L1-1

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Interpreting Test Results ..................................................................................13-20

Chapter 14. Viewing Status Information

Status ...................................................................................................................................14-1

Network Rate, DTE Rate, and Data Format............................................................ 14-2

Dial Backup Information............................................................................................ 14-2

Type of Dial Backup Service ............................................................................. 14-2

ISDN DBU Status .........................................................................................14-2

SW56 DBU Status ......................................................................................... 14-2

V.34 DBU Status ...........................................................................................14-2

DBU Status Not Installed ........................................................................... 14-2

Current Status of Dial Backup Mode ............................................................... 14-2

Answering Call .............................................. ...... ..... ...................................14-2

Call Disconnect ............................................................................................14-2

Called Unit Busy .......................................................................................... 14-2

Dialing ........................................................................................................... 14-3

Going to DBU ...............................................................................................14-3

Idle ................................................................................................................. 14-3

Incoming Call ....................................................... ........................................14-3

In Dial Backup ..............................................................................................14-3

No RX Signal ................................................................................................14-3

No Wink from CO ............................................... ........................................14-3

Not Installed .................................................................................................14-3

OOS/OOF From Net ................................................................................... 14-3

Open Loop ....................................................................................................14-3

DBU Line in RDL ......................................................................................... 14-3

Test From Telco ............................................................................................14-3

DBU Test Pattern ......................................................................................... 14-4

Waiting for Call ............................................................................................14-4

Inactive .......................................................................................................... 14-4

Getting TEI ........................................... ..... ...... ..............................................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. AT Commands.................................................................................... ....... B-1

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Table of Contents

Appendix C. Terminal Menu Structure.......................... ...... ....................................... C-1

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

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. DSU IV ESP Rear View..................................................................................3-8

Figure 3-5. Terminal Interface Main Menu (SW56 Mode).......................................... 3-11

Figure 4-1. SLIP/PPP LAN Application with SNMP/Telnet Management.............. 4-2

Figure 4-2. Ethernet LAN Application with SNMP/Telnet Management.................4-2

Figure 4-3. Dial Backup Application............................................................................... 4-4

Figure 5-1. Configuration Menu Tree for Network, DTE, and Test Options............. 5-3

Figure 5-2. Co nfiguration Menu Tree for Dial, Management, and Utilities Options5-4

Figure 6-1. Network Options Menu Tree........................................................................6-2

Figure 7-1. DTE Options Menu Tree................................................................................7-2

Figure 7-2. Transmit Clock Options................................................................................. 7-7

Figure 8-1. Test Options Menu Tree................................................................................. 8-1

Figure 9-1. Dial Options Configuration Menu Tree......................................................9-2

Figure 10-1. Management Menu Tree..............................................................................10-2

Figure 11-1. Utilities Menu Tree....................................................................................... 11-2

Figure 12-1. Dial Options Menu (SW56)........................... ...... ..... ...................................12-1

Figure 12-2. Dial Options Menu (Dedicated).................................... ...... ..... .................. 12-2

Figure 13-1. Normal Operation Before Initiating Loopback Test................................ 13-1

Figure 13-2. Initiating a Test .............................................................................................13-2

Figure 13-3. Sample Test Status Displays ....................................................................... 13-3

Figure 13-4. Complete Test Menu....................................................................................13-4

Figure 13-5. DTE & Loop Test ........................................................................................13-10

Figure 13-6. Loop Only Test............................................................................................ 13-11

61204011L1-1 DSU IV ESP User Manual xxiii

List of Figures

Figure 13-7. DTE Only Test Diagram.............................................................................13-12

Figure 13-8. DTE with Test Pattern................................................................................13-13

Figure 13-9. Test Pattern Only ........................................................................................13-15

Figure 13-10.V.54 RDL with Test Pattern............................ ...... .....................................13-17

Figure 13-11.Initiating a Remote Test ............................................................................13-18

Figure 13-12.DBU Connection Test ................................................................................13-19

Figure 13-13.Initiating a DBU Connection Test................................................... ...... ...13-20

Figure 14-1. Status Display ............................................................................................... 14-1

Figure C-1. Terminal Menu Tree ......................................................................................C-2

Figure C-2. Terminal Interface Main Menu....................................................................C-3

Figure C-3. Status Menus..................................................................................................C-4

Figure C-4. Remote Configuration Options...................................................................C-5

Figure C-5. Main Configuration Menu .............................................. ............................. C-5

Figure C-6. DSU Configuration Menu............................................................................C-6

Figure C-7. S4W Dial Backup...........................................................................................C-7

Figure C-8. Management Menu.......................................................................................C-8

Figure C-9. SNMP Management Menu...........................................................................C-8

Figure C-10.Utility Menu ...................................................................................................C-9

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

List of Tables

Table 3-1. Front Panel LED Descriptions ...................................................................... 3-7

Table 6-1. Network Options AT Commands................................................................ 6-3

Table 7-1. DTE Options AT Commands........................................................................7-3

Table 7-2. Transmit Clock AT Commands.................................................................... 7-7

Table 7-3. Short & Long Delays at Different Operating Speeds ................................7-8

Table 8-1. Test Options AT Commands ........................................................................ 8-2

Table 9-1. AT Commands for Storing Phone Numbers.............................................. 9-3

Table 9-2. DBU Options AT Commands for All Models ............................................ 9-4

Table 9-3. DBU Options AT Commands for V.34 Card ..............................................9-9

Table 11-1. Manual Commands......................................................................................11-4

Table 13-1. Messages from the DSU/CSU .................................................................... 13-5

Table 13-2. Troubleshooting New Installs ................................................................... 13-6

Table 13-3. Test AT Commands ..................................................................................... 13-8

Table 13-4. DTE With Test Pattern Commands............................................................ 13-9

Table 13-5. Remote Tests and AT Commands............................................................ 13-17

Table A-1. Pin Assignments for Telco Connector........................................................A-2

Table A-2. Pin Assignments for ESP DBU Card Connectors .....................................A-2

Table A-3. Pin Assignments for Primary EIA-232 Connector.................................... A-3

Table A-4. Pin Assignments for Primary V.35 Connector.......................................... A-4

Table A-5. Pin Assignments for Control Connector....................................................A-5

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 xxv

List of Tables

Table B-5. AT Commands for Storing Phone Numbers ..............................................B-7

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

Chapter 1 Introduction

PRODUCT OVERVIEW

The ADTRAN DSU IV ESP (data service unit with embedded SNMP) provide s a reliable, high speed data connect i on 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. The DSU IV ESP's unique, modular approach provides optional 10BaseT ethernet access for SNMP . Optional ESP DBU cards are available to provide automatic or manual dial backup for the dedicated circuit.

The DSU IV ESP has the following features:

• DDS rates suppor ted from 2.4 to 64 kbps including 19.2 and

38.4

• 4-wire Switched 56 (SW56) operation

• Embedded SNMP and Telnet

• Control port provides SLIP and Async PPP access to SNMP or VT 100 terminal configuration

• Two ESP option slots

• 10BaseT ethernet SNMP port available with ESP ethernet Card

• Automatic or manual DBU

• DBU available with ESP DBU cards; options include 4-wire Switched 56, V.34, and ISDN

• Time of day and weekend DBU lockout options

61204011L1-1 DSU IV ESP User Manual 1-1

Chapter 1. Introduction

ERROR

DIAL

CONTROLLER

ERROR

TEST

RDL

SELECT

ERROR

SELECT

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).

The ESP 4-wire SW56 DBU card and the base unit's integrated SW56 capabilities are compatible with AT&T Accunet and Sprint SW56 type services. The V.34 DBU card allows switched backup over the public switched telephone network (PSTN). The ESP ISDN 1B+D card is compatible with National ISDN and supports a Uinterface to the Basic Rate ISDN.

Figure 1-1 shows a typical point-to-point application for the DSU IV ESP.

RINTER

PCs

BRIDGE/ROUTER

Local Area Network

POWER SUPPLY POWER SUPPLY

+5V

+12V

-12V

-5V

SERVER

DEDICATED

PRIVATE NETWORK

CHECK

DSU III AR DSU III AR DSU III AR DSU III AR DSU III S4W DSU III S4W DSU III S4W DSU III DBUDSU III S4W DSU III DBU DSU III DBU DSU III DBU DSU S2W DSU S2W DSU S2W

SHELF CONTROLLER

ALM

DTE

LOOP

RDL

PTRN

ERROR

DIALMATE

DIAL

STATUS

CANCEL

TEST CONFIG ENTER

SELECT

TEST

1 2 3

4 5 6

7 8 9

1 16

2 3 4 5 6 7 8 9 10 11 12 13 14 15

4-wire SW56

PUBLIC SWITCHED DIGITAL NETWORK

4-wire SW56

DSU IV ESP

+5V

+12V

-12V

-5V

ALM

DTE

LOOP

RDL

PTRN

ERROR

SELECT TEST

CHECK

ALM

DTE

LOOP

RDL

PTRN

ERROR

SELECT

SELECT TEST

TEST

ALM

DTE

LOOP

RDL

PTRN

ERROR

SELECT

TEST

MART

16 S

HELF

V.34

ISDN

NETWORK

DSU IV ESP

ENTER

SHIFT

QUICK

CANCEL

PUBLIC SWITCHED

TELEPHONE NETWORK

V.34

BRIDGE/ROUTER

RINTER

Local Area Network

Figure 1-1. Typical Point-to- Point Application for DSU IV ESP

PCs

SERVER

1-2 DSU IV ESP User Manual 61204011L1-1

DDS Operation Overview

DDS is a nationwide service that allows interconnection and transport of data at speeds up to 64 kbps. The local exchange carriers provide the local loop service to 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. An additional rate of 57.6 is available in asynchronous mode. The unit can be configured to run slower DTE rates (async or sync) over the 56 or 64 kbps service.

Switched 56 Operation Overview

This dial-up, 4-wire Switched 56 DDS allows customers to pay for data connection only for the time the unit is active. The regional operating companies provide the 4-wire local loop service to SW56 customers. The DSU IV ESP supports D TE rates of 2.4 , 4.8, 9.6 , 19. 2,

38.4, and 56 kbps (syn chr ono us) and 2.4 , 4.8, 9.6, 19.2, 38.4 , and 57.6

kbps (asynchronous).

Chapter 1. Introduction

61204011L1-1 DSU IV ESP User Manual 1-3

Chapter 1. Introduction

SNMP OVERVIEW

The term SNMP broadly refers to the message protocols used to exchange information between the network and the managed devices, as well as to the structure of network management data bases. SNMP has three basic components:

Network Manager

Control program that collects, controls, and presents data pertinent to the operation of the network devices. It resides on a network management station.

Agent

Control program that resides in each network device connected. This program responds to queries and commands from the network manager and returns requested information or invokes configuration changes initiated by the manager.

MIB

Index to the o rganized data wi thin a network device. It defines the operation parameters that can be controlled or monitored.

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 webpag e at www.adtran.com.

The DSU IV's embedded SNMP feature allows the unit to be accessed and controlled by a network manager through either a device running SLIP or async PPP protocol (connected to the CONTROL port of the DSU) or through a LAN. A LAN connection requires the opt ional ESP ethernet card (P /N 12040 05L1). Thi s card provides a 10BaseT ethernet interface to the LAN.

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

TELNET

Telnet provides a password-protected, remote login facility to the DSU IV. Telnet allows a user on a network manag er to control the DSU IV through the terminal menus. See Applications on page 4-1 and Terminal Menu Structure on page C-1 for more information.

DIAL BACKUP OPERATION

The DSU IV ESP's unique DBU cards are field-installable by the customer. See Installation on page 2-1 for information on installing DBU cards. All DBU car ds ar e compatible wit h other ADTRAN ESP products supporting DBU (see the following note). The three backup options are described in the following sections. Conta c t the local telco provider to determine which services are available in your area. 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).

Chapter 1. Introduction

61204011L1-1 DSU IV ESP User Manual 1-5

Chapter 1. Introduction

ESP Dial Backup Options

4-Wire Switched 56 Card

The dial-up 4-wire SW56 DBU card (P/N 1204001L1) allows customers to pay for actual usage of the data connection when the unit is active. The regional operating companies provide 4-wire local loop service to SW56 customers. This card supports DTE rates of 2.4, 4.8, 9.6, 19.2, 38.4 (asynchronous or synchronous), and 56 kbps (synchronous). An additional DTE rate of 57.6 kbps is available i n async modes.

V.34 Card

The V.34 DBU card (P/N 1204002 L2) supports V.32 bis modem modes of operation, V.34, and V.FC modes. The V.34 option runs synchronous rates up to 33.6 kbps, and the V.32 operates up to 14.4 kbps. Asynchronous mode provides the throughput of 57.6 kbps and is less dependent on data types .

ISDN Card

The 1B+D Basic Rate ISDN DBU card (P/N 1204004L1) provides the customer a backup switched 56/64 kbps ISDN circuit. Synchronous and asynchronous DTE rates of 2.4, 4.8, 9.6, 19.2, and

38.4 kbps per CCITT V.120 are also supported. An additional DTE rate of 57.6 kbps is available in async mode and is compatible with the 4-wire SW56 DBU card.

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.

1-6 DSU IV ESP User Manual 61204011L1-1

Chapter 2 Installation

UNPACK, INSPECT, POWER UP

Carefully inspect the DSU IV ESP for any shipping damages. If damage is suspected, file a claim immediately with the carrier and contact ADTRAN Customer Service. If possible, keep the origin al shipping container for use in shipping the DSU IV ESP for repair or for verification of damage during shipment.

ADTRAN Shipments Include

The following items are included in ADTRAN shipments of the DSU IV ESP :

• DSU IV ESP unit

• An 8-position modular to 8-position modular cable

• An 8-position female modular to female DB-25 adapter for access to the Control/SLIP/PPP port

• The User Manual

The ADTRAN DSU IV ESP MIB is available from ADTRAN in th e support section of the ADTRAN webpage at www.adtran.com.

61204011L1-1 DSU IV ESP User Manual 2-1

Chapter 2. Installation

The following items are included in ADTRAN’s shipments of ESP DBU cards:

•ESP DBU card

• An 8-position modular to 8-position modular cable for the 4wire SW56 and 1 B+D ISDN dial backup options.

• An 8-position modular to 4-position modular cable for the V.34 backup option.

Customer Provides

The customer must provide a male EIA-232 (standard 25-pin, Dtype) or a male V.35 interface cable to use when connecting the unit to an external data service (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 (requir es an ADTRAN ESP Ethernet card installed in the DSU IV ESP). See Pinouts on page A-1 for the pin assignments for the control port (for SLIP and Async PPP) and the ethernet port.

Power Up

The DSU IV ESP is provided with a captive 8-foot power cord, terminated by a three-prong plug which connects to a grounded 115 VAC power receptacle.

Power to the DSU must be provided from a grounded 115 VAC , 60 Hz receptacle.

2-2 DSU IV ESP User Manual 61204011L1-1

Chapter 3 Operation

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.

Main Menu

The following section briefly describes the main menu's four branches, which are displayed on the front panel LCD (see Figure 3-1). Detailed information is provided in the individual chapters for each menu branch.

1 = STATUS 2 = TEST 3 = CONFIG 4 = DIAL

Figure 3-1. Main Menu LCD Display

The opening menu is the access point to all other operations. Each Main menu item has several functions and submenus to identify and access specific parameters.

61204011L1-1 DSU IV ESP User Manual 3-1

Chapter 3. Operation

Main Menu Descriptions

The branches of the front panel Main menu are divided into options for S

Status

TATUS

DTE interfaces. The system returns to the S idle. For more information, see Viewing Status Information on page 14-1.

Test

EST

Use T

REMOTE

For more information, see Te sting and Troubleshooting on page 13-1.

Configuration

Use C parameters, configure testing and dialing options, select management functions, and configure unit utilities.

This menu branch is divided into several chapters for easier reference. The division includes a brief overview chapter followed by a separate chapter for each of the six submenus: Configuring

Network Options on page 6-1, Configuring DTE Option s on page 7-1, Configuring Test Options on page 8-1, C o nfig ur ing D ial Options on page 9-1, Management Functions on page 10-1, and Configuring Unit Utilities on page 11-1.

TATUS

, T

EST

, C

ONFIGURATION

ONFIG

), and D

IAL

menu s display all re levant in formatio n for the net work and

TATUS

display when

menus to control local and remote testing. Select

LOCAL

testing, and the type of test and test pattern when required.

ONFIGURATION

menus to select network and DTE operating

Dial D

IAL

provides manual dial backup or SW56 dial functions. For

more information, see 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.

3-2 DSU IV ESP User Manual 61204011L1-1

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.

Up Arrow

Scrolls up the submenu items.

Down Arrow

Scrolls down the submenu items.

Cancel

Exits (back one level) from the current branch of the menu.

To choose a menu item, press the corresponding number or alpha character on the keypad (press The item flashes on and off to show it is the currently selected (active) choice. Press the up or down arrow keys to scroll through the available menu items. Press

Chapter 3. Operation

to activate alpha characters).

Shift

to select the flashing item.

Enter

61204011L1-1 DSU IV ESP User Manual 3-3

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

1Press 3 to activate C

2 Select L

3 Use the arrow keys to view submenu items. 4 Choose an item on the submenu such as N

5 Activate N

6 Activate L

7 Press the number corresponding to the desired loop

ONFIGURATION

the activated menu item flashes, press

OCAL

or R

EMOTE

configuration by pressing

the corresponding number; then press

PTIONS

Enter

press

rate. Then press

ETWORK OPT

OOP RATE

Enter.

ETWORK OPT

options by pressing 1. Then

Enter

by pressing 1. Then press

ONFIG

Enter.

Enter

). When

ETWORK

1= NETWORK OPT. 3= REMOTE CONFIG

1= LOCAL 2= DTE OPTIONS 4= NETWORK TYPE

3= CONFIG 3= TEST OPTIONS 5= CLOCK SOURCE

2= REMOTE 4= DIAL OPTIONS

5= MANAGEMENT 6 = UTILITIES

1= LOOP RATE

2= NETWORK ADDRESS

Figure 3-2. Example of Basic Menu Navigation

3-4 DSU IV ESP User Manual 61204011L1-1

FRONT PANEL

The DSU IV ESP faceplate is shown in Figure 3-3. Descriptions of each part of the front panel follow the figure.

LCD Window

RD LED

Up and Down Arrow Keys

ALM LED

Enter Key

ENTER

A 1

D 4

Keypad

Chapter 3. Operation

DSU IV ESP

B 2

E 5

C 3

F 6

RS LED CS LED

TD LED

CD LED

CANCEL

Cancel Key

SHIFT

Shift Key

Figure 3-3. DSU IV ESP Front Panel

LCD Window

Displays menu items and messages in 2 lines by 16 characters.

Enter

Selects active menu items. To select a menu item, press the number of the item. The menu item flashes, indicating it is activated. Press

to select the menu item.

Enter

Keypad

The keypad conta ins dual-function keys numbered 0 through 9 with alpha characters A through F. These keys are used to activate menu items and enter information.

QUICK

Quick Key

61204011L1-1 DSU IV ESP User Manual 3-5

Chapter 3. Operation

Shift

before

Enter alpha characters by pressing and releasing

Shift

pressing the key representing the desired character. To activate a menu item designated by an alpha character rather than a number press which parameter is activated. Press

and then the letter. The menu item flashes, indicating

Shift

to select the item.

Enter

If a key is pressed without using

Shift

, the numbered item becomes active

instead of the alpha item.

Quick

key returns the display to the

menu.

Quick

key returns to the top of the

Quick

During most operations, the Main menu. During a test, the

EST

menu. In SW56 operations, if the unit is not in test, the

T key returns to the D

IAL

Cancel

key stops the current activity and returns to the

Pressing the

Cancel

previous menu. Repeat until the desired menu level is re ached.

Up and Down Arrows

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.

3-6 DSU IV ESP User Manual 61204011L1-1

Chapter 3. Operation

Table 3-1. Front Panel LED Descriptions

LED Description

RS: Request to Send Reflects the status of the request to send pin of the

DTE interface.

CS: Clear to Send Reflects the status of the clear to send pin of the DTE

interface.

TD: Transmit Data This LED is active when data is transmitted from the

DTE.

RD: Receive Data 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 condi tions include: Open loop on network No frame synchronization Unit in dial backup Problem on dial backup line

TST: Test Mode This LED is on whenever the unit is in test mode.

61204011L1-1 DSU IV ESP User Manual 3-7

Chapter 3. Operation

.15A

OFF

REAR PANEL

The rear panel contains two DTE connectors whic h provide primary channel V.35 or EIA-232. An 8-pin telco jack, a contr ol po rt, a captive power cord, and a power switch are also located on the 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.

DDS

S4W, V.34, or

ISDN DBU Card

DBU INTERFACE LAN INTERFACE

ISDN

DBU

TELCO

EIA-232

10BaseT LAN Card

CONTROL

V .35

BASE

4-wire

Telco Cable

RJ45-to-DB25

EIA232 Cable

Cable

V.35 Cable

VT 100 Terminal or device running SLIP

DTE Device DTE Device

or async PPP protocol

Item Function

DBU Interface ESP DBU card slot LAN Interface ESP Ethernet card slot Telco Connects to dedicated circuit EIA-232 Connects to a DTE interfac e Control Connects to a VT 100 terminal or a device

running SLIP or async PPP protocol V.35 High speed DTE interface Power Switch Tur ns power on or off 115 VAC Connection Power cord connection

Figure 3-4. DSU IV ESP Rear View

3-8 DSU IV ESP User Manual 61204011L1-1

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:

1. Remove power from the DSU IV ESP.

2. Slide the card into the corresponding rear slot until the card panel is flush with the DSU IV ESP chassis.

3. Push card locks in (until they click) to secure the card and ensure proper installation.

Remove power from the unit before installing or removing ESP option cards.

Card slots are keyed to prevent improper installation (i.e., putting a DBU card into the ethernet slot).

Chapter 3. Operation

Telco Connector: Network Interface Connection

The DSU IV ESP has an 8-position modular jack labeled T telco connector is used for connecting to the DDS network. The pinout for this connector is listed in Pinouts on page A-1.

Each ESP DBU card has a connector which is used for connection to the switched backup network. The pinout for the connector depends on the card type. Pinouts for 4-wire Switched 56,V.34, and ISDN 1B+D DBU options are shown in Appendix A, Pinouts on page A-1.

61204011L1-1 DSU IV ESP User Manual 3-9

ELCO

. The

Chapter 3. Operation

EIA-232 and V.35 Connectors: DTE Data Connection/ Primary DTE

The primary DTE should be connected to either the EIA-232 DTE connector or the V.35 DTE connector. The maximum cable lengths recommended are 50 feet for the EIA-232, an d 100 feet for the V.35. The pin assignments for the connectors are listed in Pinouts on pag e A-1.

The V.35 connector is recommended for use with data rates above

19.2 kbps. The EIA-232 connector works up to 56 kbps with a low capacitance cable or with the external transmit clock option selected. The primary DTE rate is configured from the front panel. The primary DTE equipment can operate in asynchronous or synchronous modes .

To prevent possible radio frequency interference emissions, a shielded cable is required.

Control Port

The DSU IV ESP has an 8-position modular jack labeled C 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. An 8-foot adapter cable and connector provide a standard DB-25 EIA-232 interface.

See Appendix A, Pinouts on page A-1 for the control port’s pin assignments.

The control port also functions as the SLIP or Async PPP port when configur ed for SN MP ma na geme nt. The pinou ts ar e i den tic al whe n operating in an SNMP management mode.

3-10 DSU IV ESP User Manual 61204011L1-1

ONTROL

Chapter 3. Operation

VT-100 TERMINAL CONNECTION AND OPERATION

To control the DSU IV ESP using a VT-100 terminal, perform the following procedure:

1. Select a terminal interface through the front panel. Select

ONFIG

2. Set the C

3. Using the provided VT -1 00 terminal adapter cable, connect the

eight-pin modular jack labeled C IV ESP. This connection is used for both local and remote configuration.

4. Establish the connection and press

ERMINAL MENU

ANAGEMENT

> M

ONTROL RATE

NTERFACE

> I

ERM CONTROL

to match the VT 100 terminal.

port of a VT 100 compatible terminal or equivalent to the

ONTROL

on the rear of the DSU

repeatedly until the

Enter

appears (Figure 3-5).

Figure 3-5. Terminal Interface Main Menu (SW56 Mode)

5. Make selections by entering the number corresponding to the

chosen parameter. Press E

61204011L1-1 DSU IV ESP User Manual 3-11

to return to the previous screen.

Chapter 3. Operation

Due to the increased display capabilities, the VT-100 menu structure differs from the front panel interface. Appendix C, Terminal Menu Structure on page C-1 includes the VT-100 screens as well as a complete menu tree for accessing configuration selections. Descriptions of individual menu options are provided throughout this manual based on the front panel menu stru cture. See Fig ure 5-1 on page 5- 3 and Figure 5-2 on page 5-4 for the front panel config uration 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.

3-12 DSU IV ESP User Manual 61204011L1-1

Chapter 4 Applications

This chapter provides examples of some common DSU IV ESP applications. The examples include LAN applications with both SLIP/PPP and ethernet management and a dial backup application.

LAN APPLICATION WITH SNMP/TELNET MANAGEMEN T

The DSU IV can be managed through an established Telnet session or an SNMP-based network manager li ke 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:

• A device (e.g., a router) running SLIP protocol. Connection is made through the DSU IV's control port. See Figure 4-1 on page 4-2.

• A device (e.g., a router) running async PPP protocol. Connection is made through the DSU IV's control port. See Figure 4-1 on page 4-2.

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

Chapter 4. Applications

Figure 4-1. SLIP/PPP LAN Appli cati o n with SN MP/Telnet Management

• A LAN. Connection is made through the optional 10BaseT ethernet interface provided on the ESP ethernet card (P/N 1204005L1). See Figure 4-2.

R D1

T D2

RD1

TD2

RD2

R D

R E

D D

HIF

E L

E T

I C K

R D

HIF

L E

T E

Q U

I CK

LAN

SNMP

Management Station

Ethernet

EIA 232 or V.35

LAN

EIA 232 or V.35

Router

DDS or

Frame Relay

DSU IV ESP

TD1

RD1

TD2

RD2

S T

HIF

ELE

TD1

RD1

DSU IV ESP

RD2

D N

E V

HIF

D E

E T

Router

DSU IV ESP

Figure 4-2. Ethernet LAN Application with SNMP/Telnet Management

4-2 DSU IV ESP User Manual 61204011L1-1

Minimum Configuration Requirements for SNMP/Telnet Access

The following options are the minimum configuration requirements for establishing SNMP or Telnet access. Once these options are configured, the remaining options may be configured using SNMP/Telnet. See the menu tree in Figure 10-1 on page 10-2 for the front panel menu path to these options.

Interface

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.

Gateway IP Address (if required)

Enter the Gateway node IP address. This address is necessary only if the DSU IV and the network manager are connected through a Gateway node. This address is available from the network administrator.

Chapter 4. Applications

Special Features of this Application

Customize the SNMP/Telnet application using the following DSU IV ESP features:

• Designate SNMP host s to r ec eive SNMP traps fro m the D SU IV

(one to five entries).

• Secure the DSU IV by limiting SNMP network management

access. If enabled, the DSU IV only responds to a userconfigur e d list of SNMP network managers (one to five entries).

Configure these options through the Management portion of the Configuration menu. See Chapter 10, Management Functions on page 10-1 for more information.

61204011L1-1 DSU IV ESP User Manual 4-3

Chapter 4. Applications

DIAL BACKUP APPLICATION

The DSU IV provides point-to-point connection to the network. With one of the ESP DBU option cards installed, the unit is capable of dial backup, allowing the unit to dial around a failed network. See Figure 4-3.

With the DBU options, configure the unit to:

• Enter DBU under specific primary network conditions.

• Lock out DBU over the weekend and/or at specified times of the day.

• Dial a specified number when a DBU activation condition is detected.

V .34, ISDN, or 4-W ire Switched 56

Switched

Network

DTE Device

T D

R D2

T D N

DDS

DSU IV ESP

TD1

RD1

TD2

RD2

TDN

A L M

R D N

HIF

A L

/TST

SHIFT

DSU IV ESP

TD1

DSU IV ESP

Figure 4-3. Dial Backup Application

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

Entering Dial Backup Mode

When a condition for entering dial backup mode is detected, the

LARM

between 30 seconds on and 30 seconds off unless the DDS line is restored or it is disabled by using the

information on the

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 m ode upon detection of these conditions. The following four conditions can cause a DSU IV ESP to enter dial backup mode:

Loss of Sealing Current

Sealing current is a low voltage DC current provided by the central office (CO) to prevent corrosion over the copper w ires used in the local loop. Sealing current may also be used for local loop testing purposes. An absence of sealing current generally is an indication that the loop is open.

LED turns on and the buzzer sounds. The buzzer alternates

FF BEEP

. See the section Front P a ne l on page 3-5 for more

Quick

key.

Chapter 4. Applications

key and selecting T

Quick

URN

Out of Service (OOS) Signal

An OOS signal, generated by the network, indicates a device (or devices) in the network is out of service.

No Receive Signal

This is an indication that the local loop copper pairs may be either open or shorted or the OCU in the CO is inoperative. In a private network this may indicate that the transmitter of the remote DSU is inoperative.

All 1s or all 0s Condition

This condi tion is usua lly gen era ted by t he net work t o indic ate so me device (or devic es) in t he netwo rk is in opera tive. Upon det ecting an all 1s or all 0s condition, the DSU IV ESP initiates a handshake routine to determine whether the remote unit's DTE is the source of the all 1s or 0s condition or if an actual network failure exists.

61204011L1-1 DSU IV ESP User Manual 4-5

Chapter 4. Applications

Answer Always

When this option is enabled, the unit goes into DB U mode if a call is present regardless of the status of the dedicated circuit. It is recommended that the DBU Passcode be used in this mode since inadvertent calls could stop data flow indefinitely.

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.

For more information, see Configur ing D ial Options on page 9-1.

Weekend and Time of Day Lockout

The DSU IV ESP may be configured not to enter dial backup mode based upon the time of day or weekend status. This protects the customer from being charged for a switched call during off hours should the dedicated circuit fail. See Configuring Dial Options on page 9-1 for more information.

4-6 DSU IV ESP User Manual 61204011L1-1

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. Once the DSU IV ESP determines that the problem has been properly corrected and the DDS circuit is stable, it will wait for the amount of time specified in the restore timer (1 to 255 minutes) before reverting to the DDS circuit. Polling of the DDS circuit is nonintrusive and return to the DDS circuit generally takes 2 to 3 seconds. The backup connection is maintained for one minute after the DDS circuit is restored.

See Chapter 9, Configuring Di al Options on page 9-1 for more de tai led information.

Chapter 4. Applications

61204011L1-1 DSU IV ESP User Manual 4-7

Chapter 4. Applications

4-8 DSU IV ESP User Manual 61204011L1-1

Chapter 5 Configuration Overview

The DSU IV ESP contains four different user profiles (se ts 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 . If profile 1 matches requirements for the system, then no additional configuration is required to put the unit into service. If profile 1 does not match system requirements, it can be modified or one of the other profiles that more closely matches the system requirements can be loaded into current memory. When a different profile is loaded or the existing profile is modified, it is stored in the current (nonvolatile configuration) memory. The DSU IV ESP is then configured with that profile every time power is turned on or the unit is reset.

CONFIGURATION METHODS

The DSU IV ESP responds to the following methods of configuration:

•AT commands

• V.25 commands

•Front panel commands

• A VT 100 compatible termina l

• SNMP/Telnet through a device running SLIP/PPP protocol

• SNMP/Telnet through a LAN running ethernet protocol

(available when the optional ESP Ethernet card is installed)

61204011L1-1 DSU IV ESP User Manual 5-1

Chapter 5. Configuration Overview

AT and V.25 commands have limited access to configuration parameters. See AT Command s on page 5-5 and Appendix B, AT

Commands on page B-1 for more information. See Chapter 2, Installation on page 2-1 and Chapter 3, Operation on page 3-1 for

more information on all other configuration methods. For an example application using the SLIP/PPP or ethernet interface, see Applications on page 4-1.

Descriptions of each Configuration menu item are given in the following chapters: Configuring Network Options on page 6-1, Configuring DTE Options on page 7-1, Configuring Test Options on page 8-1, Configuring Dial Options on page 9-1, Management Functions on page 10-1, and Configuring Unit Utilities on page 11-1.

A complete Configuration menu for the front panel is shown in Figure 5-1 on page 5-3 and Figure 5-2 on page 5-4. The VT 100 menu tree is shown in Terminal Menu Structure on page C-1.

Due to the increased display capabilities, the VT 100 menu structure differs from the front panel interface. Appendix C, T ermi na l Menu Struc ture on page C-1 includes the VT 100 screens as well as a complete menu tree for accessing configuration selections. Descriptions of individual menu options are provided throughout this manual based on the front panel menu structure. S ee Figure 5-1 on page 5-3 and Figure 5-2 on page 5-4 for the front panel configuration menu trees.

5-2 DSU IV ESP User Manual 61204011L1-1

Chapter 5. Configuration Overview

1= Network Opt. 1= Loop Rate 1= Auto

1= Local 2= Network Addr. 1= Enter Network 3= 4.8K

Config 5= 19.2K

2= Remote Enter Addr. 2= Enabled 7= 56K

2= DTE Options 4= 19.2K

3= Remote Config 1= Disabled 6= 38.4K

4= Network Type 1= Dedicated

5= Clock Source 2= From Network

1= DTE Rate 2= 4.8K

2= Connector Type 1= EIA-232

3=Data Format 1= Asynchronous 3= Async 11 bits

4= DTE CMD Option 1= Disabled

5=Transmit Clock 1=Normal 3= V.25 Sync

6= CS Options 1= Forced On 1= CS Delay Short

7= Antistream 2= Time 10 Sec

8= CD Options 3= Off with LOCD 2= Off OOS Only 9 =TR Options - Depends on operation mode. 3= Off LOCD Only See

Configuring DTE Options

A= SR Options 6= Off Test + LOCD

2= Address:00 4= 9.6K

2= AT&T/MCI SW56 3= US Sprint SW 56 1= Master

1= 2.4K

3= 9.6K

5= 38.4K 1=Scrambler Off 6= 56K/57.6K 2=Scrambler On 7= Same as Loop 3= Suppress LBE

2= V.35 1= Async 9 bits

2= Synchronous

2= External 4= V .25 B SC/Async 3= Invert

1= Timer Off 3= Follows CD

3= Time 30 Sec 1= Forced On 4= Time 60 Sec 2= Normal 1= Forced On

on page 7-1 for more information. 4= Off Test Only

2= 2.4K

8= 64K

2= Async 10 bits

2= AT Command Set

2= Follows RS 2= CS Delay Long

5= Off Test + OOS

1=Test Timeout Enter Timeout (0-Off): 00 Sec 1= RDL Ignored

3=Test Options

2= RDL EN/DIS 2= RDL Accepted

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 5-3

Chapter 5. Configuration Overview

1= Phone Numbers Stored Number to Edit(1-10) NNNNNNN

1= Local 4= Dial Options 2= SW 56 Auto Ans 1= Disabled

Config

3= DBU Options Depends on the DBU card. See

2= Remote Enter Addr.

4= DBU Passcode 1= Enable/Disable 1= Enable

1= Interface 1= VT:100 Control

2= Control Rate 3= 9600 BPS

5= Managemen t 3= IP Options 1= Unit IP Address

4= SNMP Options 2= Set Community 1= Disable

5=Telnet Options 1= Telnet Password 1= 10 Minutes

2= Enabled

Configuring Dial Options

2= Disable

2= Enter Code XXXX

2= SLIP Control 3= PPP Control 1= 1200 BPS 4= Ethernet LAN 2= 2400 BPS

2= Subnet Mask 3= GW IP Address 1= Disabled 4= IP Security 2= Enabled

1= Get Community

3= Trap Community 2= Generic Only 4= SNMP Traps 3= Enable All

5= Trap IP Address Enter Trap IP Number (1-5):1 6= Sys Name 7= Sys Contact 8= Sys Location 1= Disabled 9= Authen Trap 2= Enabled

2= 30 Minutes

2= Telnet Timeout 3= 60 Minutes

on page 9-1

6= Utilites

1= Manual Command Command: 00 Command:HH Val ue: 00

2= Time/Date 1= Current 1= Time -23:01:59

2= Date - 08/15/01

2= Set Time 1= Set Hours

2= Set Minutes 3= Set Seconds 1= Set Month

3= Set Date 2= Set Day

3= Set Year

3= Software Rev Version CHK SUM

Rev X XXXX 4= LAN Mac Address 5= Serial Number xxxxxxxxxxxxxx

Figure 5-2. Configuration Menu Tree for Dial, Management, and Utilities Options

5-4 DSU IV ESP User Manual 61204011L1-1

AT Commands

The DSU IV ESP can be configured and controlled with in-band A T commands from an asynchronous DTE port just as modems are.

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. This is the guard time delay, and it can be changed by writing a value to the S12 register . The default value for the guard time is one second. For a valid escape sequence to occur, the DTE must transmit the escape code character three times in succession with delay between each character being less than the guard time.

Once the command mode is entered, AT commands can be transmitted to the DSU IV ESP to configure most of the options or initiate tests to check both the DSU IV ESP and the network connections. All command lines must begin with the AT character set in either capital or lower case letters.

Chapter 5. Configuration Overview

The command line may contain a single command or a ser ies of commands after the AT attention code. When a series of comm ands is used, the individ ual comma nds may b e separa ted wi th space s for readability. The maximum length for a comma nd line is 40 characters. Each command line is executed by the DSU IV ESP upon receipt of a terminating character. The default terminating character is a carriage return (ASCII 013), but it can be changed by writing a different value to register S3.

Before the terminating character is transmitted, the command line can be edited by using the backspace character (ASCII 008) to erase errors so the proper commands can be entered.

Not all parameters can be selected using these commands. Valid commands are listed in Appendix B, AT Commands on page B-1.

61204011L1-1 DSU IV ESP User Manual 5-5

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 asynch ronou s DTE po rt s.

The V.25 bis option supports the following protocols:

•SDLC

•Bi-Sync

• Asynchronous

SDLC Option

Character Format

• Data bits - 8

•Parity bit - Ignored

Command Structure

[F][A][C][V.25 bis COMMAND][FCS][F]

The address field [A] is FFH. The control field [C] is set to 13H except for cases of multi-frame responses. For this case, the control field is set to 03H in all but the last frame. The 03H in the control field indicates that other frames are to follow while the 13H in the control field indicates the final frame.

Bi-Sync Option

Character Format

• Data bits - 7

•Parity bit - Odd

Command Structure

[SYN][SYN][STX][V.25 bis COMMAND][ETX]

5-6 DSU IV ESP User Manual 61204011L1-1

Asynchronous Option

Character Format

• Start bit - 1

• Data bits - 7

•Parity bit - Even

• Stop bit - 1

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 DS Us. The ADTR AN V.25 bis command set follows:

CNL Configuration local CNR Configuration r emo te

Chapter 5. Configuration Overview

Possible responses to V.25 bis commands follows:

VALA Valid V.25 command processed INV An invalid command de tec t ed INVCU Unknown command detected INVPS Invalid parameter sy nta x INVPV Invalid parameter val ue INVBL Invalid lo ca l pass word INVBM Invalid remote password

If verbose responses are disabled (ATV0), the following threecharacter responses are the only ones returned:

VAL Valid V.25 command processed INV Invalid command re ceived

61204011L1-1 DSU IV ESP User Manual 5-7

Chapter 5. Configuration Overview

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]

A local password may not be required depending on the present configuration of the unit . Responses to CNL commands are returned in the data format currently configured. Possible responses include: VALA and INVAn.

CNR (Configuration Remote)

This command is used to pass AT commands over the network to the remote DSU via the V.25 bis command processor. This allows a remote DSU IV ESP to be con fig ure d from a synch ronou s inte rfac e. The format of this command follows:

CNR[REMOTE PASSWORD];AT[ONE OR MORE AT COMMANDS]

The remote password may or may not be required depending on the present configuration of the remote unit. Responses to the CNR commands are returned in the data format currently configured. Possible responses include: VAL and INVAn.

5-8 DSU IV ESP User Manual 61204011L1-1

Chapter 6 Configuring Network Options

NETWORK OPTIONS

ETWORK OPTIONS

The N operation of the DSU IV ESP. Once a parameter is set, C

CCEPTED

is displayed briefly before returning to the active menu. Table 6-1 on page 6-3 shows the AT commands used to set the Network Options.

configuration parameters control the loop

OMMAND

See Figure 6-1 on page 6-2 for the N

61204011L1-1 DSU IV ESP User Manual 6-1

ETWORK OPTIONS

menu tree.

Chapter 6. Configuring Network Options

1= LOCAL

CONFIG

2= REMOTE

ENTER ADDR. 4= DIAL OPTIONS 7= 6K

1= AUTO

1= LOOP RATE 2= 2.4K

1= NETWORK OPT. 3= 4 .8K

4= 9.6K 2= DTE OPTIONS 5= 19.2K 3= TEST OPTIONS 6= 38.4K

5= MANAGEMENT 8= 64K 6= UTILITIES

2= NETWORK ADDR. ENTER NETWORK

ADDRESS

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

6-2 DSU IV ESP User Manual 61204011L1-1

Chapter 6. Configuring Network Options

Table 6-1. Network Options AT Commands

Front Panel AT Command

Loop Rate

AUTO %B0

2.4K %B1

4.8K %B2

9.6K %B3

19.2K %B4

38.4K %B5 56K %B6 64K %B7

Network Address

XX (decimal) _N= x x

Remote Configuration

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 _X0 2 = FROM NETWORK _X1

Loop Rate

OOP RATE

The L should be set to the rate required by the DDS Service. The DSU IV ESP also supports subrate DTE data over a 56 or 64 kbps loop. The loop rate must be set independently of the DTE rate. Eight loop rate selections are available. See Figure 6-1.

The default factory setting is A format selections are listed in Table 6-1 on page 6-3 with the

61204011L1-1 DSU IV ESP User Manual 6-3

option sets the loop operating speed. The unit

UTO

. The various loop rates and

Chapter 6. Configuring Network Options

equivalent AT commands that perform the same configuration functions.

Network Address

A two-digit decimal address can be assigned to each DSU IV ESP. This addressing capability makes it possible to perform remote configuration and testing in point-to-point and multi-drop networks. Figure 6-1 on page 6-2 shows the menu path used to change the network address. The factory default setting is 0.

Remote Configuration

This option sets up the DSU IV ESP to accept or reject remote configuration commands. The factory default setting is E

Network Type

NABLED

Select the appropriate network type. The choices are D

AT&T/MCI SW56, and US S setting is D

EDICATED

SW56. The factory default

EDICATED

Clock Source

LOCK SOURCE

The C IV ESP’s internal circuitry. The factory default setting is F

ETWORK

When operating on a DDS network, the timing should be F

ETWORK

. On a point-to-point private network, one DSU IV ESP

must be set for M

When the DSU IV ESP is set to the Master Clock source, it will default to its internal oscillators as the clock reference. T o 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.

6-4 DSU IV ESP User Manual 61204011L1-1

option specifies the timing source for the DSU

ROM

ASTER

, the other set for F

ROM NETWORK

Chapter 7 Configuring DTE Options

DTE OPTIONS

The DTE O

PTIONS

menu is used to select the configuration

parameters that control the operation of the DTE Interface of the DSU IV ESP. The DTE O

PTIONS

menu tree is shown in Figure 7-1 on

page 7-2.

The AT commands and their available options are shown in Table 7-1 on page 7-3.

61204011L1-1 DSU IV ESP User Manual 7-1

Chapter 7. Configuring DTE Options

1= 2.4K

1=DTE Rate 2= 4.8K

1=Local 1=Network Opt. 3= 9.6K

2=DTE Options 4= 19.2K 3=Test Options 5= 38.4K 1= Scrambler Off

Config 4=Dial Options 6= 56K/57.6K 2= Scrambler On

5=Management 7= Same As Loop 3= Suppress LBE 6=Utilities

2=Connector Type 1= EIA-232

2=Remote Enter Addr. 2= V.35 1= Async 9 Bits

2= Async 10 Bits

3=Data Format 1= Async 3= Async 11 Bits

2= Sync

4=DTE CMD Option 1= Disabled

2= AT Command Set 3= V.25 Sync 4= V.25 BSC/Async 1= Nor ma l

2= External

5= Transmit Clock 3= Invert

6= CS Options 1= Forced On 1= CS Delay Short

2= Follows RS 2= CS Delay Long 3= Follows CD 4= Follows RS+CD 1= CS Delay Short 5= Off with LOCD 2= CS Delay Long

7= Anti-stream 1= Timer Off

2= Time 10 Sec. 1= Ignored 3= Time 30 Sec. 1= Forced On 2= Idle When Off

4= Time 60 Sec 2= Normal 3= Off>On Dial #1 8= CD Options 3= Off with LOCD 4= Off>On Dial #2 9= TR Options 5= No DBU if Off

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 T ree

7-2 DSU IV ESP User Manual 61204011L1-1

Chapter 7. Configuring DTE Options

Table 7-1. DTE Options AT Commands

Front

Panel

Command

Description

DTE Rate

1= 2.4K %k3 DTE Rate: 2.4K sync and async 2 = 4.8K %k4 DTE Rate: 4.8K sync and async 3 = 9.6K %k5 DTE Rate: 9.6K sync and async 4 = 19.2K %k6 DTE Rate: 19.2K sync and async 5 = 38.4K %k7 DTE Rate: 38.4K sync and async 6 = 56/57.6K %k8 DTE Rate: 56 sync or 57.6 async 7 = Same as Loop %k9 DTE Rate matches loop rate 1 = Scrambler Of f _F0 DT E data scrambler disabled (64kbps

loop rate only)

2 = Scrambler On _F1 D T E data scrambler enabled (64 kbps

loop rate only)

3 = Suppress LBE _F2 Suppresses loopback enable code (LBE)

in transmit data from the DTE after 30 bytes in a row detected (64 kbps loop rate only)

Data Format

1= Asynchronous &Q0 Asynchronous DTE operation mode 2= Synchronous &Q2 Synchronous DTE operation mode

DTE CMD Option

1 = Disabled none Disables all DTE command Modes 2 = AT Command Set none Enables AT command mode for DTE 3 = V.25 Sync none Enables V.25 (SDLC) command mode for

DTE

4 = V.25 BSC/ASYNC none 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 7-3

Chapter 7. Configuring DTE Options

Table 7-1. DTE Options AT Commands (Continued)

Front

Panel

Command

Description

CS Options

1 = Forced On &R0 CS always on 2 = Follows RS &R1 CS state same as RS state 3 = Follows CD &R2 CS state same as CD state 4 = Follows RS+CD &R3 CS state sa me as RS and CD state 5 = Off with LOCD &R4 Off 5 seconds after LOCD (SW56 only)

For F

OLLOWS

RS options, select the length of the delay:

1 = CS delay short _D0 Short delay from RS to CS selected 2 = CS delay long _D1 Long delay from RS to CS selected

Anti-Stream

1 = Timer Off &T0 Anti-strea m timer d isabl ed 2 = Time 10 Sec &T1 T i meo ut equal s 10 secon ds 3 = Time 30 Sec &T2 T i meo ut equal s 30 secon ds 4 = Time 60 Sec &T3 T i meo ut equal s 60 secon ds

CD Options

1 - Forced On &C0 On all the time 2 - Normal &C1 On only when data present on loop 3 - Off with LOCD &C2 On except after disconnect (SW56 only)

TR Options

1 = Ignored &D0 Ignore the TR input 2 = Idle when off &D2 See the note at the end of this table. 3 = Off>On dial #1 &D3 Dial Stored #1: TR goes off to on

(SW 56 only)

4 = Off>On dial #2 &D4 Dial Stored #2: TR goes off to on

(SW 56 only)

5 = No DBU if Off & D3 No dial backu p if TR is off. (valid only

when DBU ESP card is installed and Network Type is set to Dedic ated).

7-4 DSU IV ESP User Manual 61204011L1-1

Chapter 7. Configuring DTE Options

Table 7-1. DTE Options AT Commands (Continued)

Front

Panel

Command

Description

SR Options

1 = Forced On &S0_C1 Always on 2 = Off OOS only &S1_C1 Off when network out of service 3 = Off LOCD Only &S3 Off 5 sec after disconn ect ( SW 56 onl y) 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

For

IDLE WHEN OFF

option: In SW 56 mode, TR off c a uses the DSU to go On Hook (Idle). The unit does not dial out if TR is off. In dedicated mode, the DSU goes into DTE command mode when TR goes off. When TR goes on, if th e DSU does not recei ve a comman d in the nu mber of se conds set in S40, the DSU goe s into data mode.

DTE Rate

The DSU IV allows subrate looprates. If a DTE rate higher than the current loop rate is selected, the DTE rate automatically sets to match the slower loop rate; the DSU IV ESP briefly displays DTE

ATE SAME AS THE NETWORK

The factory default setting is S

before returning to the status screen.

AME AS LOOP

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 OFF

For 64 kbps clear channel operation, the DTE data sequences might mimic network loop maintenance functions and erroneously cause other network elements to activate loopbacks. To pr event this, the

CRAMBLER ON

option should be selected for both the local and remote DSU IV ESP.

61204011L1-1 DSU IV ESP User Manual 7-5

Chapter 7. Configuring DTE Options

Connector Type

ONNECTOR TYPE

The C primary channel connectors is used to connect to the DTE. The factory default setting is V.35. There are no AT commands available to set the connector type.

Data Format

ATA FORMAT

The D asynchronous mode of operation for the DTE interface. The factory default setting is S length of the data bytes must be selected.

Table 7-1 on page 7-3 shows the AT commands that can be used to set the Data Format to asynchronous or synchronous.

DTE Command Option

option is used to specify which of the

option is used to select either the synchronous or

YNCHRONOUS

SYNCHRONOUS

. If A

is chosen, the

The DTE C

OMMAND

option is u sed to enable a DTE comm and mode

or disable all modes. The available modes are AT V.25 synchronous, and V.25 bisynchronous/asynchronous c ommands. See Table 7-1 on page 7-3.

7-6 DSU IV ESP User Manual 61204011L1-1

Chapter 7. Configuring DTE Options

Transmit Clock

RANSMIT CLOCK

The T 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

LOCK

options. Figure 7-2 shows the menu path used to set the

Transmit Clock option . Th e fac to ry default is N

1=LOCAL 3= DATA FORMAT

3=CONFIG 6= CS OPTIONS

2=REMOTE ENTER ADDRESS 3= TEST OPTIONS 8= CD OPTIONS

option is used to select the source of the clock

1= NETWORK OPT.

1= DTE RATE

2= DTE OPTIONS 2=C ONNECTOR TYPE

4= DTE CMD OPTION 1= NORMAL 5= TRANSMIT CLOCK 2= EXTERNAL

7= ANTI-STREAM

4= DIAL OPTIONS 9= TR OPTIONS 5= MANAGEMENT A= SR OPTIONS 6= UTILITIES

ORMAL

RANSMIT

Figure 7-2. Transmit Clock Options

Table 7-2 shows the A T commands used to set the T

RANSMIT CLOCK

option.

Table 7-2. Transmit Clock AT Commands

Front Panel AT Command Description

1=NORMAL &X0 TX clock from DSU selected 2=EXTERNAL &X1 ETC clock from DTE selected

The E

XTERNAL CLOCK

ASTER CLOCK

M under DTE Options connector type. The C

ETWORK OPTIONS

option allows the DSU IV ESP to accept

timing from the External DTE Port as defined

must also be set to M

LOCK SOURCE

ASTER

as noted in the

under

section, Clock Source on page 6-4.

61204011L1-1 DSU IV ESP User Manual 7-7

Chapter 7. Configuring DTE Options

XTERNAL CLOCK

The E applications. A DSU Tail Circuit cable interconnect diagram for this application is shown in Figure E-1 on page E-2 in Appendix E.

The E

XTERNAL CLOCK

EIA-232 connector is used for 56 kbps and 64 kbps applications. Using this option eliminates data errors caused by excessive delays in the DTE transmit clock receiver and transmit data driver.

The I

NVERT CLOCK

option is recommended when the EIA-232

connector is used for rates other than 56 kbps or 64 kbps.

Clear to Send (CS) Options

S OPTIONS

The C lead. The default factory setting is F

HORT

menu is used to select the control mode for the CS

option is normally used in modem tail circuit

option is also recommended when the

OLLOWS

WITH

CS D

ELAY

If one of the options chosen involves R

EQUEST TO SEND

(RS), then the delay from RS to CS must be selected. Table 7-1 on page 7-3 shows the AT Commands used to set the CS options.

Specified times for the short and long delays at the different operating speeds are shown in Table 7-3.

Table 7-3. Short & Long Delays at Different Operating Speeds

Rate Short Delay Long Delay

64 56

19.2

4.8

2.4

1.1 ms

1.5 ms

16.1 ms

16.5 ms

7-8 DSU IV ESP User Manual 61204011L1-1

Anti-Stream

Chapter 7. Configuring DTE Options

NTI-STREAM

The A

option is used to select the anti-stream timeout. 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 tra nsmit circuit back to the master DSU.

The anti-stream timer is reset to zero when RS changes to the active state and is updated every second while RS is active. When the anti-stream timeout expires, the DSU IV ESP stops transmitting DTE data into the network b ut continues to accept data from it. This condition exists until the DTE deactivates the RS input.

The factory default setting is T

IMER OFF

shows the available options and their AT commands.

CD Options

The CD O receive line signal detector (CD) lead. The default factory setting is

ORMAL

for setting CD options.

PTIONS

menu is used to select the control mode for the

. Table 7-1 on page 7-3 shows the equivalent AT commands

Data Terminal Ready (TR) Options

The TR O the data terminal ready (TR) lead. The factory default setting is

GNORED

for setting TR options.

The is installed and the Network Type is set to DEDICATED.

PTIONS

menu is used to select the DSU IV ESP response to

. T abl e 7-1 o n page 7-3 s hows th e equivalent AT commands

NO DBU IF OFF

selection is available only when a DBU ESP card

. Table 7-1 on page 7-3

To disable DBU when DTR is off, set this option for

61204011L1-1 DSU IV ESP User Manual 7-9

IDLE WHEN OFF

Chapter 7. Configuring DTE Options

Data Set Ready (SR) Options

The SR O

PTIONS

menu is used to select the operating mode for the

data set ready (SR) lead from the DTE options menu.

To activate the SR O default setting is O

PTIONS

, press

FF TEST ONLY

Shift + A

and

Enter

. Table 7-1 on page 7-3 shows the

AT commands for setting SR options.

. The factory

7-10 DSU IV ESP User Manual 61204011L1-1

Chapter 8 Configuring Test Options

TEST OPTIONS

EST OPTIONS

The T and specifies the maximum test time allowed. See Figure 8-1 for the

EST OPTIONS

The AT commands and their available options are listed in Table 8-1 on page 8-2.

1= Local 3= Test Options

Config 6= Utilities

2= Remote Ent er Addr. 3= EIA LLB EN/DIS 1= Disabled

menu enables or disables different test modes

menu tree.

1= Network Opt. E n ter Timeout 2= DTE Options 1= Test Timeout (0=Off): 00 Sec

4= Dial Options 1= RDL Ignored 5= Management 2= RDL EN/DIS 2= RDL Accepted

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 8-1

Chapter 8. Configuring Test Options

Table 8-1. Test Options AT Commands

Front

Panel

Test Timeout

Enter Timeout S18=x Specify 0 to 255 second tes t timeout

RDL Enable/Disable

1=RDL Ignored &T5 RDL request from remote DSU ignored 2= RDL Accepted &T4 RDL request accepted

EIA LLB Enable/Disable

1= Disabled _A0 No response to local loopback 2= Enabled _A1 Res pon ds to loc al loopback

EIA RLB Enable/Disable

1=Disabled _R0 No response to remote loopback 2=Enabled _R1 Res pon ds to rem ote loo pba ck

DBU Answer Test

1= Disabled none Remote unit does not accept DBU tests

2= Enabled none Remote unit accepts DBU tests from

Test Timeout

Command

Description

from far end

far end

EST TIMEOUT

The T

option sets the length of time a DSU IV ESP

remains in a test mode before automatically returning to the data mode. Enter the timeout in two-digit decimal value. The factory

OFF

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

8-2 DSU IV ESP User Manual 61204011L1-1

CCEPTED

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. The factory default setting is D

DBU Answer Test

The dial backup connection can be tested while data is passing on the DDS. In order for this test to be performed, DBU A must be enabled on the remote unit. If DBU A enabled, the remote unit will not accept a DBU test from the other end. The factory default setting is D

Chapter 8. Configuring Test Options

ISABLED

NSWER TEST

is not

The

DBU A

NSWER

61204011L1-1 DSU IV ESP User Manual 8-3

NSWER TEST

LWAYS

is not available if the

is enabled.

DBU C

RITERIA

option

Chapter 8. Configuring Test Options

8-4 DSU IV ESP User Manual 61204011L1-1

Chapter 9 Configuring Dial Options

DIAL OPTIONS

IAL OPTIONS

The D disables the SW56 auto answer capability, defines the dial backup operation when the DDS circuit fails, and programs the passcode security feature.

Figure 9-1 on page 9-2 shows the full Dial Backup Options (4=Dial Options) menu. Note that some items are restricted to certain DBU cards.

menu stores up to ten phone numbers, enables/

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:

• V.34 Analog POTS DBU (33.6Kbps; ADTRAN P/N 1204002L2)

• 4-Wire Switched 56 DBU (ADTRAN P/N 1204001L1)

• 1B+D Basic Rate ISDN (BRI) DBU (ADTRAN P/N 1204004L1)

61204011L1-1 DSU IV ESP User Manual 9-1

Chapter 9. Configuring Dial Options

1= Phone Number Stored number to edit (1-10): NNNNNNN

1=Network Opt. 2=DTE Options 2= SW56 Auto Ans 1= Disabled 3=Test Options 2= Enabled

Config 4=Dial Options 1= Disabled

5=Management 1= Automatic DBU 2= Enabled 1= DBU with #1 6=Utilities 3= DBU Options 2= Number to Dial 2= DBU with #2

3= Origin/Answer 1= DBU Originate 1= When OOS 2= Enabled

2= DBU Answer

4= DBU Criteria 2= No RX Signal 1= Disabled

5= Auto Restore Restore Timer

0=Off: 0 Min 3= No Seal Cur. 1= Disabled

6= Redial Counter Enter Redial Count:0

7= Fail Timer Auto DBU Fail Time: 2=Enabled

0X10 Sec

8= Wait to Redial Wait to Redial 2= Enabled

Time: 0 Sec

S4W DBU Option Card 2= Enabled

Network Type AT&T/MCI/Other

US Sprint 7= Daily Lockout 1= Disabled

1= Disabled

2= Enabled

4= When all 1s/0s 1=Disabled

5= Answer Always 1= Disabled

6= Weekend Lockout 1= Disabled

2= Enabled

V.34 DBU Option Card 8= Lockout Start 1= Lockout start

Error Control 1= Buffered 2= HR (0-23):xx

Flow Control 1= Disabled

Compression 1= Disabled

ISDN DBU Option Card

Switch Type 1= AT&T 5ESS 1= Enable/Disable 1= Enable

4= DBU Passcode 2= Enter Code XXXX

2= Direct 3= Reliable MNP 9= Lockout End 1= Lockout end 4= Auto MNP 2= HR (0-23):xx 5= Reliable V.42 6= Rel. V.42/MNP 7= Auto V.42/MNP

2= XOn/XOff 3= CIS only 4= RTS/CTS 5= Uni. XOn/XOff

2= Enabled

2= NT DMS-100 2= Disable 3= National ISDN

Figure 9-1. Dial Options Configuration Menu Tree

9-2 DSU IV ESP User Manual 61204011L1-1

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.

Chapter 9. Configuring Dial Options

Table 9-1 shows the AT Commands available for the P

UMBER

option.

Table 9-1. 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

ISDN Dial Backup

Setting the Service Profile Identifier (SPID)

For ISDN dial backup, the service profile identifier (SPID) is stored in Stored Number 9. The SPID is a sequence of digits identifying ISDN terminal equipment to the ISDN switch when more than one ISDN set has been attached to the same central office line. The SPID is assigned by the telco when the ISDN line is installed and normally resembles the phone number.

Only the AT&T 5ESS switch is capable of recognizing a point-topoint configuration, eliminating the need for a SPID. All other switch types require a SPID.

HONE

Setting the Local Directory (LDN) Number

For ISDN dial backup, the LDN is stored in Stored Number 10. See Table 9-1, above.

61204011L1-1 DSU IV ESP User Manual 9-3

Chapter 9. Configuring Dial Options

SW56 Auto Answer

The SW56 Auto Answer option is used to specify how incoming calls are to be answered. If E automatically answered by the DSU IV. If D call can be answered manual ly, by an AT or V.25 command from the DTE, or by raising TR from the DTE.

DBU Options

The DBU Options are used to select the modes of operation for the Dial Backup features. There ar e ten standar d options available w ith additional options for specific backup services.

Table 9-2 lists the DBU options and their AT commands for all models.

NABLED

, incoming calls are

ISABLED

, an incoming

Table 9-2. DBU Options AT Commands for All Models

Front

Panel

Command

Description

Automatic DBU

1 = Disabled _K0 Automatic DBU disabled 2 = Enabled _K1 Automatic DBU enabled

Number to Dial

1 = DBU with #1 _B0 Dial stored #1 2 = DBU with #2 _B1 Dial stored #2

Originate/Answer

1 = DBU originate _E0 Originates call if DDS fails 2 = DBU answer _E1 Answers call if DDS fails

DBU Criteria When Out of Service

1= Disabled _G0 No DBU for OOS 2 = Enabled _G1 DBU when OOS

9-4 DSU IV ESP User Manual 61204011L1-1

Chapter 9. Configuring Dial Options

Table 9-2. DBU Options AT Commands for All Models (Continued)

Front

Panel

Command

Description

No Receive (Rx) Signal

1= Disabled _H0 No D BU when RX si gna l abse nt 2 = Enabled _H1 DBU when RX signal absent

No Sealing Current

1= Disabled _I0 No DBU when sealing current absent 2 = Enabled _I0 DBU when sealing current absent

When All 1s/0s

1 = Disabled _P0 No DBU when all 1s/0s detected 2 = Enabled _P0 DBU when all 1s/0s condition exists

Answer Always

1 = Disabled none Answer unit answers only under

specified condi tio n s .

2 = Enabled none Answer unit answers any incoming

call regardless of fail e d condition.

Weekend Lockout

1 = Disabled none Disables weekend lockout feature 2 = Enabled none No backup occurs from midnight Fri-

day to midnight Sunday

Daily Lockout

1 = Disabled none Sets dial backup lockout starting hour 2 = Enabled none Sets dial backup lockout ending hour

Lockout Start none Sets hour to enable dial backup Lockout End none Sets hour to disable dial backup Auto Restore S31=x Sets restore timer Redial Counter S57=x Se ts 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 9-5

Chapter 9. Configuring Dial Options

Standard DBU Options

Automatic DBU

The A

UTOMATIC

automatically enters dial backup mode or waits for manual setup. The factory default setting is D

Number to Dial

DBU option specifies whether the unit

ISABLED

UMBER TO DIAL

The N

option offers a selection of stored numbers for the unit to automatically dial. If the leased line fails, and the DSU IV ESP is set to originate, it dials the numbers (in chronological order) specified under this option to set up the dial backup line. The factory default setting is D

Originate/Answer

RIGINATE/ANSWER

The O

option specifies whether the DSU IV ESP

originates or waits to answer if the dedicated circuit fails. One end must be set to O

RIGINATE

default setting is A

and the other to A

NSWER

DBU Criteria for Entering Dial Backup Mode

These options specify the conditions that will cause the DSU IV ESP to enter the backup mode.

When Out of Service (OOS)

When enabled, the DSU IV ESP enters backup mode if an out-ofservice condition is detected. The factory default setting is E

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

IAL WITH

#1.

NSWER

. The factory

NABLE

No Sealing Current

When enabled, the DSU IV ESP enters backup mode when a loss of

NABLE

sealing current is detected. The factory default setting is E

When all 1s/0s

When this option is enabled, the DSU IV ESP monitors the receive data for strings of 1s or 0s that are longer than the Fail Timer. If this

9-6 DSU IV ESP User Manual 61204011L1-1

Chapter 9. Configuring Dial Options

condition is detected, the local DSU IV ESP initiates a handshake routine with the remote unit to determine if the DTE is generating the constant data pattern or if the network has failed.

Answer Always

If enabled, the answer unit answers any incoming call regardless of failed conditions.

Weekend Lockout

If enabled , no backu p will occur fr om midnig ht Fr id ay to midn ig ht Sunday.

Weekend and daily lockout apply to automatic DBU only. Manual DBU is not affected. Also, this parameter affects the originate end only. The answer end remains DB U-ca pab l e a t all time s.

Daily Lockout Enable/disable the D

OUR

and D

ISABLE HOUR

AILY LOCKOUT

specified by the fields E

NABLE

Lockout Start

Enter the hour that the daily lockout begins and dial backup is disabled (0 to 23). Only applies if the D

NABLED

AILY LOCKOUT

parameter is

Lockout End

Enter the hour that the daily lockout ends and dial backup is reactivated (0 to 23). Only applies if the D is ENABLED

AILY LOCKOUT

parameter

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 restor ed manually. The factory default setting

MINUTE

is 1

RESTORE TIMER (0=OFF): __ __ MIN

61204011L1-1 DSU IV ESP User Manual 9-7

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. The factory default setting is

ENTER REDIAL COUNT: __ __

Fail Timer

This option sets the amount of time the dedicated circuit failure condition must be active before the DSU IV ESP attempts backup. The amount of time, which is manually entered, can be up to 990 seconds. The factory default setting is 30

AUTO DBU FAIL TIME: __ __ x 10sec

Wait to Redial

SECONDS

This option works in conjunction with the preceding Redial Counter. It selects the amount of time between redial attempts to connect the backup line. The amount of time, which is manually entered, can be up to 99 seconds. The factory default setting is 10

ECONDS

WAIT TO REDIAL TIME: __ __ SEC

DBU Options for S4W Card

Network Type

This option selects the company providing the switched digital service. When US Sprint is selected, an automatic echo canceler suppressor tone is emitted by the DSU IV ESP when dialing. Options include: AT&T/MCI/O

9-8 DSU IV ESP User Manual 61204011L1-1

THER

and US S

DBU Options for V.34 Card

Chapter 9. Configuring Dial Options

Table 9-3 shows the equivalent AT commands for setting E

ONTROL

LOW CONTROL

, F

, and C

OMPRESSION

options.

Table 9-3. DBU Options AT Commands for V.34 Card

Front Panel AT Command Description Error Control

1= BUFFERED \N0 Normal operation. No error control. Allo ws

speed matching, buffering, and flow control.

2= DIRECT \N1 Direct operation. No error control, no buffer,

and no flow control.

3= RELIABLE MNP \N2 Reliable MNP Ope ra tio n. Uses MNP Error

Control.

4= AUTO MNP \N3 Auto-reliable MNP operation. Tries MNP er -

ror control first; uses normal oper ati on if necessary.

5= RELIABLE V.42 \N4 Reliable V.42 (LAPM) operation. Uses V.42

(LAPM) error control. If V.42 (LAPM) error control cannot be used the call is disconnected.

6= REL. V.42/MNP \N5 Reliable V.42 (LAPM) or MNP operation.

Uses either V.42 ( LAPM) or MNP error control. If neither can be used the call is disconnected.

7= AUTO V.42\MNP \N6 Auto-reliable V.42(LAPM) or MNP operation.

Tries to use V.42(LAPM) error control first, and MNP error control next. If neither can be used, then Normal operation is used.

Flow Control

1= Disabled \Q0 Flo w contr ol disabled 2= XON/XOFF \Q1 Enables XON/XOFF flow control 3= CTS ONLY \Q2 Enables CTS flow control from DCE 4= RTS/CTS \Q3 Enables CTS flow control from DCE and RTS

from DTE

5 = UNI XON/XOFF \Q4 Unidirectional XOn/XOff

RROR

61204011L1-1 DSU IV ESP User Manual 9-9

Chapter 9. Configuring Dial Options

Table 9-3. DBU Options AT Commands for V.34 Card (Continued)

Front Panel AT Command Description Compression

1= Disabled %C0 Compres si on disabled 2= Enabled %C1 Compres sion enabled

Error C ontrol

This option determines the type of error control to be negotiated at the start of a V.34 modem connection. The factory default setting is

AUTO V.42/MNP.

Flow Control

This option is used to select the type of flow control used by the V.34 modem. The factory default setting is CTS O

Compression

This option is used to select V.42 bis data compression for V.32 bis or V.34 operation when running asynchronously. When enabled, data throughput speeds as high as 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

NLY

NABLED

9-10 DSU IV ESP User Manual 61204011L1-1

DBU Options for ISDN Card

Switch Type

This option selects the type of telco CO switch providing the ISDN service. There are three options for ISDN switch types:

•AT&T 5ESS

•NT DMS-100

• National ISDN

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 originat e unit transmits a pre-programmed passcode to the answer unit over the dial backup connection before the connection is considered valid. The answer unit compares the received passcode to a preprogrammed passcode. If the passcode matches, the receive unit sends a P line. If the passcode does not match, the receive unit sends an Invalid Passcode message to the originate unit and terminates the dial backup connection. If a passcode is not received by an answer unit with passcode enable, or if the P received by an originate unit with passcode enable, the dial backup connection is terminated.

ASSCODE

OK message to the originate unit and goes on-

Chapter 9. Configuring Dial Options

ASSCODE

OK message is not

61204011L1-1 DSU IV ESP User Manual 9-11

Chapter 9. Configuring Dial Options

9-12 DSU IV ESP User Manual 61204011L1-1

Chapter 10 Management Functions

CONFIGURING MANAGEMENT FUNCTIONS

ANAGEMENT

The M 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 is used to select the desired management

ANAGEMENT

menu tree.

61204011L1-1 DSU IV ESP User Manual 10-1

Chapter 10. Management Functions

1= Network Opt. 2= DTE Options 1= Interface 1= VT 100 Control 3= Test Options 2= SLIP Control

1= Local 4= Dial Options 3= PPP Control

5= Management 4= Ethernet LAN 6= Utilities

Config 2= Control Rate 1= 1200 BPS

2= Remote Enter Address 2= 2400 BPS

3= IP Options 1= Unit IP Address

3= 9600 BPS

2= Subnet Mask 3= Gateway IP Addr 1= Disabled 4= IP Security 2= Enabled

5= IP Filter Addr Enter Source IP

Number (1-5):1

1= Get Community

4= SNMP Options 2= Set Community 1=Disable

3= Trap Community 2=Generic Only 4= SNMP Traps 3=Enable All

5= Trap IP Address 1=Enter Trap IP 6= Sys Name 2= Number (1-5):1 7= Sys Contact 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

Interface

Control Rate

IP Options

Chapter 10. Management Functions

Select the management interface type (VT 100 terminal, SLIP, or PPP) or select Ethernet LAN (ESP Ethernet card must be installed).

Select the control port operating speed to match the connected device (this selection only applies when the in terface options is set for VT 100 terminal, SLIP, or PPP).

When configuring the DSU IV ESP with the front panel, use the "*" key to enter a decimal point.

Unit IP Address Enter the DSU IV ESP IP A

DDRESS

in dotted decimal notation.

Subnet Mask

Enter the subnet number in dotted decimal notation. T his address is available from the network administrator.

Gateway IP Address Enter the G

ATEWAY NODE

IP A

DDRESS

in dotted decimal notation. 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

ECURITY

option. If enabled, the DSU IV ESP

only accepts management commands from the IP addresses (up to

5) entered into the IP F

ILTER ADDRESS

field.

IP Filter Address

Enter the IP addresses of the management stations from which the DSU IV ESP should accept management commands. This filter must be enabled though the IP Security field.

61204011L1-1 DSU IV ESP User Manual 10-3

Chapter 10. Management Functions

SNMP Options

The following options must be configured when SNMP management is used.

Get Community For SNMP operation, view and edit the G

ET COMMUNITY

string. The

DSU IV ESP uses this string to validate SNMP Get (read) requests. The default value is public. If using front panel entry, see the section Entering Letters Using The Front Panel on page 10-6 for more information.

Set Community For SNMP operation, view and edit the S

ET COMMUNITY

string. The DSU IV ESP uses this string to validate SNMP Set (write) requests. The default value is private. If using front panel entry, see the section Entering Letters Using The Front Panel on page 10-6 for more information.

Trap Community For SNMP operation, view and edit the T

RAP COMMUNITY

string.

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 Le t ters Using The Front Pa ne l on page 10-6 for more information.

SNMP Traps

Specify which traps the DSU IV ESP will send to the network manager. When enabled, the DSU IV ESP sends SNMP traps to network managers for alarm conditions. The options are D

ENERIC ONLY

, and E

NABLE ALL

. The G

ENERIC ONLY

option enables

ISABLE

the Generic Standard traps specified in the SNMP standard, RFC

1157. The A

option sends both Generic Standard traps and the enterprise-specific traps specif i ed in t he ADTR AN DS U IV ESP MIB.

Trap IP Address

Enter up to five IP addresses of the SNMP managers to which the DSU IV ESP should send traps.

10-4 DSU IV ESP User Manual 61204011L1-1

System Name, Contact, and Location

These data fields are general information strings (defined in MIB-II standard, RFC 1213) which can be stored by the user and retrieved by the SNMP management station. If using front panel entry, see the section Entering L et ters Using The Front Pa nel on page 10-6 for more information.

Authentication Traps

Enable/disable the DSU IV ESP to send SNMP authentication traps to the 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 Op tions

Chapter 10. Management Functions

Telnet Password

View/edit the Telnet password. If using front panel entry, see the section Entering Letters Using The Front Panel on page 10-6 for more information.

Telnet Timeout

Select the inactivity time limit. If the unit is idle for the designated amount of time the unit times out, closing the Telnet session.

61204011L1-1 DSU IV ESP User Manual 10-5

Chapter 10. Management Functions

ENTERING LETTERS USING THE FRONT PANEL

Some Management menus require the entry of letters rather than numbers. When configuring the unit using the front panel, special steps must be taken in order to perf orm these entries. The following example of entering the Telnet Password illustrates this procedure:

1. Press

, then

Enter

to select T

ELNET OPTIONS

from the

Management menu.

2. Press

, then

to select TELN P

Enter

ASSWORD

3. Press the up arrow to delete the existing entry.

4. Press the

key. The cursor appears as an underscore ( _ ).

Shift

5. Use the up and down arrow keys to scroll to the appropriate

letter

6. When the letter displays, press

. A block cursor appears in

Shift

the next field.

7. To enter another letter, press

. The cursor again appears as

Shift

an underscore.

8. Repeat this procedure until all letters have been entered.

9. Once password entry is complete, press

Enter

A block cursor signifies movement from field to field. When this cursor is active, pressing the up arrow key deletes the current entry of that field. 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

Chapter 11 Configuring Unit Utilities

TILITIES

The U view the time and date, and view the software version, LAN MAC address, and the unit serial number. See Figure 11-1 on page 11-2 for the U

AT commands are not available for this menu.

menu is used to enter manual commands , set and

TILITIES

menu tree.

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Chapter 11. Configuring Unit Utilities

1= Network Opt. 1= Manual Command Command: 00 Command: HH 2= DTE Options Value:00

1=Local 3=Test Options

4= Dial Options 2= Time/Date 1= Current 1= Time=23:01:59 5= Management 2= Date=08/15/01

Config 6= Utilities

2=Remote Enter 2= Set Time 1= Set Hours

Address 2= Set Minutes

3= Set Date 1= Set Month

3= Set Seconds

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

Adtran DSU IV ESP-2 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Table of Contents

List of Figures

Figure 5-2. Co nfiguration Menu Tree for Dial, Management, and Utilities Options5-4

List of Tables

Chapter 1 Introduction

Chapter 2 Installation

Chapter 3 Operation

Chapter 4 Applications

Chapter 5 Configuration Overview

Chapter 6 Configuring Network Options

Chapter 7 Configuring DTE Options

Chapter 8 Configuring Test Options

Chapter 9 Configuring Dial Options

Chapter 10 Management Functions

Chapter 11 Configuring Unit Utilities