Belden DynaStar 2000 Secure Terminal Server Owner's manual

Part Number: 4-62-0111-00 Rev AA

Guide

GarrettCom, Inc.

25 Commerce Way #1

North Andover, MA 01845

Phone: 978.688.8807

Fax: 978.688.8771

DynaStar 2000

(DS2000-TS)

Secure Terminal Server

Administrator's

$25.00 USD

DS2000-TS Administrator’s Guide

ECLARATIONS

This manual may not be reproduced or disclosed in whole or in part by any means without the written consent of Dymec,

Inc. DynaStar is a trademark of Dymec, Inc. All other trademarks mentioned in this document are the property of their

respective owners.

This document has been prepared to assist users of equipment manufactured by Dymec, Inc., and changes are made

periodically to the information in this manual. Such changes are published in Software Release Notices. If you have

recently upgraded your software, carefully note those areas where new commands or procedures have been added. The

material contained in this manual is supplied without any warranty of any kind. Dymec, Inc. therefore assumes no

responsibility and shall incur no liability arising from the supplying or use of this document or the material contained in it.

Except as set forth in the Software License Agreement, Dymec, Inc. makes no representation that software programs and

practices described herein will not infringe on existing or future patent rights, copyrights, trademarks, trade secrets or

other proprietary rights of third parties and Dymec, Inc. makes no warranties of any kind, either express or implied, and

expressly disclaims any such warranties, including but not limited to any implied warranties of merchantability or fitness

for a particular purpose and any warranties of non infringement. The descriptions contained herein do not imply the

granting of licenses to make, use, sell, license or otherwise transfer Dymec, Inc. products described herein. Dymec, Inc.

disclaims responsibility for errors which may appear in this document, and it reserves the right, in its sole discretion and

without notice, to make substitutions and modifications in the products and practices described in this document.

CD (pdf) Version Part Number: 4-62-0111-00 Rev AA

Release Date Document

Revision Software

Release Change Note

Dec 2005 AA 7.2 New product release, Hardware and

Software

DECLARATIONS

Warranty

DS2000-TS Administrator’s Guide

Dymec, Inc. warrants equipment manufactured by it to be free from defects in materials and workmanship for a period of

one (1) year from date of shipment. If within the warranty period the purchaser discovers such item was not as warranted

above and promptly notifies Dymec, Inc. in writing, Dymec, Inc. shall repair or replace the items at the company's option.

This warranty shall not apply to: (a) equipment not manufactured by Dymec, Inc.; (b) equipment which shall have been

repaired or altered by anyone other than Dymec, Inc.; (c) equipment which shall have been subjected to negligence,

accident, or damage by circumstances beyond Dymec, Inc. control, or to improper operation, maintenance or storage, or

to other than normal use or service. With respect to equipment sold but not manufactured by Dymec, Inc., the warranty

obligation of Dymec, Inc. shall, in all aspects, conform and be limited to the warranty actually extended to Dymec, Inc. by

its supplier.

The foregoing warranties do not cover reimbursement for labor, transportation, removal, installation, or other expenses

that may be incurred in connection with repair or replacement.

THE FOREGOING WARRANTIES ARE EXCLUSIVE AND IN LIEU OF ALL OTHER EXPRESS AND

IMPLIED WARRANTIES EXCEPT WARRANTIES OF TITLE, INCLUDING, BUT NOT LIMITED TO,

IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

Anything to the contrary herein contained notwithstanding, Dymec, INC., ITS CONTRACTORS AND SUPPLIERS

OF ANY TIER, SHALL NOT BE LIABLE IN CONTRACT, IN TORT (INCLUDING NEGLIGENCE OR

STRICT LIABILITY) OR OTHERWISE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR

CONSEQUENTIAL DAMAGES WHATSOEVER. The remedies of the purchaser set forth herein are exclusive where

so stated and the total cumulative liability of Dymec, Inc. its contractors and suppliers of any tier, with respect to this

contract or anything done in connection therewith, such as the use of any product covered by or furnished under the

contract, whether in contract, in tort (including negligence or strict liability) or otherwise, shall not exceed the price of the

product or part on which such liability is based.

Unless otherwise agreed to in writing by an authorized official of Dymec, Inc., products sold hereunder are not intended

for use in or in connection with a nuclear facility or activity. If so used, Dymec, Inc. disclaims all liability for nuclear

damage, injury or contamination, and purchaser shall indemnify Dymec, Inc. against any such liability, whether as a result

of breach of contract, warranty, tort (including negligence) or otherwise.

DECLARATIONS

Patents

DS2000-TS Administrator’s Guide

As to equipment proposed and furnished by Dymec, Inc., Dymec, Inc. shall defend any suit or proceeding brought against

purchaser so far as based on a claim that said equipment constitutes an infringement of any patent of the United States, if

notified promptly in writing and given authority, information, and assistance at Dymec, Inc.'s expense for the defense of

the claim. In event of a final award of costs and damages from such a suit, Dymec, Inc. shall pay such award. In event the

use of said equipment by purchaser is enjoined in such a suit, Dymec, Inc. shall, at its own expense, and at its sole option

either (a) procure for purchaser the right to continue using equipment, (b) modify said equipment to render it non-

infringing, (c) replace said equipment with non-infringing equipment, or (d) refund the purchase price (less depreciation)

and transportation and installation costs of said equipment. Dymec, Inc. will not be responsible for any compromise or

settlement made without its written consent. The foregoing states the entire liability of Dymec, Inc. for patent

infringement, and in no event shall Dymec, Inc. be liable if the infringement charge is based on the use of Dymec, Inc.

equipment for a purpose other than that for which it was sold by Dymec, Inc. As to any equipment furnished by Dymec,

Inc. to purchaser and manufactured in accordance with designs proposed by purchaser, purchaser shall indemnify Dymec,

Inc. against any award made against Dymec, Inc. for patent, trademark, or copyright infringement.

No equipment may be returned without purchaser first obtaining Dymec, Inc.'s written Return Material

Authorization (RMA).

Equipment accepted for credit, not involving a Dymec, Inc. error, shall be subject to all the terms of the original purchase

contract and to a service charge. Returned equipment must be of current manufacture, unused, and in reasonable

condition, securely packed to reach Dymec, Inc. without damage, shipped F.O.B. Dymec, Inc. facility with transportation

charges paid, and labeled with Return Material Authorization (RMA) number. Any cost incurred by Dymec, Inc. to put

equipment in first class condition will be charged to purchaser.

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device

may not cause harmful interference, and (2) this device must accept any interference received, including interference that

may cause undesired operation.

Note: 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 interference 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

communications. 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/her own expense.

Changes or modifications could void the user’s authority to operate the equipment. The user is cautioned not to change or

modify this product.

DECLARATIONS

Safety

DS2000-TS Administrator’s Guide

This equipment complies with ACTA TIA/EIA IS-968A rules. On the device is a label that contains, among other

information, the FCC registration number for this equipment. If requested, this information must be provided to the

telephone company. (Note: REN [Ringer Equivalence Number] does not apply to this equipment.)

The telephone company may make changes in its facilities, equipment, operations, or procedures that could affect the

operation of this equipment. If this happens, the telephone company will provide advance notice in order for you to make

necessary modifications to maintain uninterrupted service.

This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the

interference-causing equipment entitled “Digital Apparatus”, ICES-003 of the department of Communications (Cet

appareil numérique respecte les limites bruits radioélectriques applicables aux appareils numériques de Class A prescrites

dans la norme sur le materiel brouilleur: “Appareils Numériques”, NMB-003 édictée par le ministre des

Communications).

Warning: This is a Class A product. In a domestic environment this product may cause radio interference, in which case

the user may be required to take adequate measures.

WARNING: Service to this unit can be made only by factory authorized personnel. Failure to observe this caution can

result in malfunction to the unit as well as electrocution to personnel.

Avertissement: Cet appareil ne peut être examiné ou réparé que par un employé autorisé du fabricant. Si cette consigne

n’est pas respectée, il y a risque de panne et d’électrocution.

Vo rs i ch t: Dieses Gerät darf nur durch das bevollmächtigte Kundendienstpersonal der fabrik instandgehalten werden. Die

Nichtbeachtung dieser Vorschrift kann zu Fehlfunktionen des Gerätes führen und das Personal durch Stromschläge

gefährden.

DECLARATIONS

Safety

DS2000-TS Administrator’s Guide

The DYNASTAR 1500 may be AC or DC powered. Remove all power connections at the circuit panel before removing the

unit.

The installation of this product must comply with all applicable codes and practices specified by the country, city, and

operating company in which it is installed.

Dans le cas des unités devant fonctionner sous 120 V c.a., utilisez un cordon d’alimentation homologue UL constitué au

minimum d’un cordon de calibre 14 AWG (0,83 mm3) de type SVT ou SJT à trois conducteurs d’une longueur maximale

de 15 pieds muni d’une prise à lames parallèles avec mise à la terre et pouvant supporter 15 A à 125 V. Dans le cas des

unités devant fonctionner sous 250 V c.a. conformément aux normes internationales, utilisez un cordon d’alimentation

homologue UL constitué au minimum d’un cordon de calibre 14 AWG (0,83 mm3) muni d’une prise avec mise à la terre

pouvant supporter 15 A à 240 V, marqué HAR et conforme aux normes de securité en vigueur dans le pays où le materiel

doit être utilisé.

This equipment is equipped with an external grounding bolt (#10/32 UNF-2B). All units requiring grounding, use a

grounding wire a minimum size of 14 AWG at a maximum length of five feet. The ground lug bolt should be torqued to 32

inch pounds.

Industry Canada Warnings Avis d’Industrie Canada

Notice:

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 method of connection. The

customer should be aware that compliance with the above

conditions may not prevent degradation of service in some

situations.

Repairs to certified equipment should be coordinated by a

representative 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.

Avis:

Avant d’installer ce matériel, l’utilisateur doit s’assurer qu’il est

permis de le raccorder aux installations de l’entreprise locale

de télécommunication. Le matériel doit également être installé

en suivant une méthode acceptée de raccordement. L’abonné

ne doit pas oublier qu’il est possible que la conformité aux

conditions énoncées ci-dessus n’empêche pas la dégradation

du service dans certaines situations.

Les réparations de matériel homologué doivent être

coordonnées par un représentant désigné par le fournisseur.

L’entreprise de télécommunications peut demander à

l’utilisateur de débrancher un appareil à la suite de réparations

ou de modifications effectuées par l’utilisateur ou à cause de

mauvais fonctionnement.

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. The precaution may be particularly important in rural

areas.

Pour sa propre protection, l’utilisateur doit s’assurer que tous

les fils de mise à la terre de la source d’énergie électrique, des

lignes téléphoniques et des canalisations d’eau métalliques, s’il

y en a, sont raccordés ensemble. Cette précaution est

particulièrement importante dans les régions rurales.

DECLARATIONS

Contacting Dymec

DS2000-TS Administrator’s Guide

By Mail:

Dymec, Inc.

25 Commerce Way #1

North Andover, MA 01845

Telephone:

978.688-8807

Fax:

978.688-8771

Website:

www.dymec.com

Email:

support@dymec.com

Customer support representatives are available during normal business hours, 8 - 5pm EST.

DS2000-TS Administrator’s Guide

DYNASTAR 2000 SECURE TERMINAL SERVER

CONTENTS
DS2000-TS Administrator’s Guide
DS2000-TS
DS2000-TS
DS2000-TS

CONTENTS
DS2000-TS Administrator’s Guide
DS2000-TS

CONTENTS

DS2000-TS Administrator’s Guide

REFACE

This manual provides the Administrator with instructions to configure, monitor and maintain the

DYNASTAR 2000 SECURE TERMINAL SEVER (DS2000-TS).This manual contains: a basic description of the

DS2000-TS uses, the basics of using the Supervisor application and the hierarchical menu structure, and

instructions for configuring the DS2000-TS for specific applications. The specific applications and

configuration cover IP Routing and Terminal Server operation. The Appendices define each menu option in

the Supervisor application. The chapters are presented as follows:

Chapter 1,“DYNASTAR 2000 SECURE TERMINAL SERVER Product Overview” - This chapter describes the

specific features of the DS2000-TS.

Chapter 2,“Supervisor Overview” - This chapter describes the Supervisor application menu hierarchy and

defines each of the higher level sub-menus and how to configure, monitor, and control the DS2000-TS. This

chapter also includes methods for navigating through the menus, Login procedures and an overview of the

Supervisor main subsections.

Chapter 3,“Configuration Basics” - This chapter describes the basics of configuring the DS2000-TS for IP

Routing and Terminal Server setup.

Chapter 4,“Troubleshooting and Software Maintenance” - This chapter explains how to check for

configuration and status information relating to the network and device. Also included are some basic

instructions for using tftp and ftp commands for software maintenance.

Appendix A,“Port Functions” - This appendix describes the Port Menu hierarchy and, using menu screen

illustrations, defines the fields and capabilities for each.

Appendix B,“Network Commands” - This appendix describes the Network Menu hierarchy and, using

menu screen illustrations, defines the fields and capabilities for each.

Appendix C,“System Functions” - This appendix describes the Security Menu hierarchy and, using menu

screen illustrations, defines the fields and capabilities for each.

Appendix D,“Security Commands” - This appendix describes the System Menu hierarchy and, using menu

screen illustrations, defines the fields and capabilities for each.

DECLARATIONS

Conventions

DS2000-TS Administrator’s Guide

One common convention used throughout the manual is the use of callouts interspersed in the text of the

document. These callouts, shown and described below, draw the user’s attention to a condition or situation

that may require action or at least awareness. All callouts appear immediately before the step to which the

callout information pertains. The callouts are listed below with descriptions of their uses and information

content in the text fields.

•None

All of the DYNASTAR 2000 manuals are also available in .pdf format on the Dymec website,

www.dymec.com.

If you find an error or have a helpful tip on the layout or informational content of this or any other Dymec

manual please feel free to contact us via email with any problems or helpful information. All enquiries will

be responded to with a correction or whatever resolution is required. Please make all comments to

support@dymec.com or phone a support engineer at (877) 463-9632.

&

&&

&NOTE: Notes are to provide the user with helpful information pertaining to an upcoming step

or action. Not following the information contained in a Note will not adversely affect the

operation of the unit but following the note may save time or increase the understanding of

the user.

CAUTION: Cautions inform the user that a condition may exist such that inaction may cause

the system to operate poorly or cause the system to cease operating.

DS2000-TS Administrator’s Guide

1 - 1

+$37(5 

DYNASTAR 2000 SECURE TERMINAL

SERVER

The DYNASTAR 2000 SECURE TERMINAL SERVER is a purpose-built networking platform for distributed

industrial automation applications. This chapter provides an overview of the primary features and

benefits of the product and describes the Terminal Server networking service.

The DYNASTAR 2000 SECURE TERMINAL SERVER (DS2000-TS) is a multi-function, multi-protocol

networking platform that is purpose-built for distributed industrial automation applications such as

Supervisory Control and Data Acquisition (SCADA) systems. The DS2000-TS operates effectively in

extremely harsh environmental conditions such as those within power utility substations, pumping stations,

treatment plants and transportation systems. This robustness is primarily due to extended range

specifications in areas such as electromagnetic interference, temperature, and electrical surges. Most other

networking products will fail when facing these conditions.

The DS2000-TS combines the capabilities of an Async-to-TCP/IP Terminal Server and an IP Router in a

single integrated device. This feature set, depicted in Figure 1-1, is used primarily in a Terminal Server

application as explained in the next section.

Figure 1-1. DS2000-TS Functional Integration

S1 Sn

S2 E0

DynaStar 2000 Secure Terminal Server

Ethernet Connection Serial Devices

Ethernet Router Terminal Server

CHAPTER 1 - DYNASTAR 2000 SECURE TERMINAL SERVER Product Overview

Terminal Server Overview

DS2000-TS Administrator’s Guide

1 - 2

The DS2000-TS's device integration provides investment and operational savings compared to alternative

solutions involving multiple less-integrated devices. Investment savings include both acquisition cost as

well as space allocation and engineering requirements. Power system requirements are consolidated and

simplified, with the DS2000-TS supporting direct feeds from a wide range of DC power sources commonly

used at industrial sites. Operational savings come from reduced maintenance and administration, including

having fewer different software-based devices to coordinate for network configuration, diagnostics and

software upgrades.

The DS2000-TS Terminal Server feature is typically used to enable a host-computer application based on

TCP/IP protocol to communicate with remote industrial devices that have an Async serial network interface

(see Figure 1-2). All communication is in IP-format from the central host to/from the remote site. The

DS2000-TS Terminal Server feature at the remote site disassembles each TCP/IP packet and provides an

Async serial stream to the remote device. In the reverse direction, Async responses from the device are

assembled into TCP/IP packets, appropriately addressed and routed to the host application. More

specifically, all traffic on a DS2000-TS serial interface is mapped to/from an IP address and a specific TCP/

IP port or socket number.

Figure 1-2. Local Terminal Server

There are several variations of the Terminal Server application, described in the following paragraphs.

This is the typical application involving a local IP-host, i.e., a host collocated with the serial devices and

attached to a DS2000-TS port either directly or via a Local Area Network (LAN). The IP host may be a

distributed application server or a PC-based HMI device at the remote site.

Serial Devices

TCP/IP

Ethernet Host

Application

S1

S6 S5

S2 S3

S8 S7

S4

DynaStar 2000-TS

IP addr: x.x.x.x

Socket #s, e.g.: 10101,

10102, ...10132

CHAPTER 1 - DYNASTAR 2000 SECURE TERMINAL SERVER Product Overview

IP Routing

DS2000-TS Administrator’s Guide

1 - 3

This application has the same physical topology as the Local Terminal Server, but the communications

connection is initiated on-demand by the Serial device, rather than by the host application. This requires

that the DS2000-TS formulate a TCP/IP session request to the host on behalf of the serial device. In the

DS2000-TS, this is configured as an “Async-IP” terminal server connection, as differentiated from the more

common and default “IP-Async” terminal server connection.

This application uses two Terminal Server capabilities at both the host end and async-device end of the

connection, providing serial interfaces to both the host system and remote device. The devices may be

attached to the same DS2000-TS or to different DS2000-TSs connected over a network. Back-to-Back

terminal server allows end-to-end serial connections to be consolidated onto an all IP-oriented network

infrastructure, keeping with the spirit of “IP Convergence,” at least at the transport layer of the network. In

this configuration, the host end connection would typically use an “Async-IP” connection type, initiating the

TCP/IP session. The other industrial device would be connected to a DS2000-TS using the default “IP-

Async” Terminal Server as described above.

The principal variant of Terminal Server used with the DS2000-TS is the Local Terminal Server.

Configuration guidelines for this service are provided in Chapter 3.

The DS2000-TS includes an integral IP router capability that enables a number of applications and

enhancements to reliability and security.

IP Routing can be used locally within a site. Local routing is an alternative to layer-2 Ethernet switching

among Ethernet ports. IP routing provides communication among devices in different Ethernet VLANs and

can provide additional network security using IP address filtering and IPsec encryption.

IP Routing is also used by the Terminal Server application described above. The Terminal Server feature

converts Async serial communications to/from IP packets. IP routing provides routing of these packets

either locally or remotely.

The default mode for IP routing uses the RIP protocol to exchange available route information with adjacent

routers. Advanced features available with IP Routing include:

•IP address filtering (selective blocking of permitted sources and destinations)

•VPNs using IPsec with DES or 3DES encryption

•Static routing (explicit next hops, not using a routing protocol like RIP)

•DHCP client and server (automatic assignment of IP addresses)

The Configuration Basics described in Chapter 3 deal primarily with default IP routing using RIP,

supporting Terminal Server traffic. Other IP Routing features are described primarily in the reference

sections of Appendix B.

CHAPTER 1 - DYNASTAR 2000 SECURE TERMINAL SERVER Product Overview

DS2000-TS Management Features

DS2000-TS Administrator’s Guide

1 - 4

This section provides summaries of selected management capabilities for all DS2000-TS services.

Chapter 3 provides details on the DynaStar Supervisory application. This menu-based management

application supports configuration, diagnostics, performance monitoring and security functions for the

DS2000-TS. The Supervisor is accessed over the local console port or remotely via an IP network.

The DS2000-TS has a number of visual alarm and status indicators implemented as LEDs on the wiring

panel of the device. There is also an alarm port that provides a hard contact status indication of major system

failure.

The DS2000-TS provides an SNMP MIB interface for status, statistics and provisioning. Alarms may be

formatted as SNMP traps to central network management systems.

A number of security options are available for management interfaces to the DS2000-TS. Management

access security includes both logical access (e.g., IP address filtering, IPsec/VPN), and multi-level password

protections. Management data may be encrypted using IPsec with DES or 3DES.

DS2000-TS Administrator’s Guide

2 - 1

+$37(5 

UPERVISOR

This chapter provides an overview of the management application included in all DynaStars to

configure, administer, and troubleshoot the equipment and the network. The following sections

introduce the management application, describe access and login procedures, provide navigation

details and common commands, outline the menu hierarchy, and provide an overview of the supervisor

capabilities.

This chapter also describes a number of standard tasks associated with the administration of the

DYNASTAR 2000 SECURE TERMINAL SERVER in particular. These standard tasks are general in nature

and not dependent on any particular configuration of the network or interfacing equipment.

The Supervisor application running on the DS2000-TS manages the device. The Supervisor application is a

hierarchical menu-driven system allowing users to manage and configure the DS2000-TS. Through the

supervisor application, the user can configure ports, services, and features; view statistics; carry out

maintenance activities and perform troubleshooting. The Supervisor application is accessible through the

local console port or by using Telnet to connect to the DS2000-TS from the network.

This section describes the command notation used in this manual and the methods for navigation within the

Supervisor, along with how to select configuration settings, enter or modify data, and save changes.

This manual uses the following notations and conventions:

•The names of keys are bold and contained in angle brackets, for example <Enter>

•Two keys pressed simultaneously appear in angle brackets separated by a hyphen (i.e.

<CTRL-D>)

•Commands you must enter appear in italics

•The names of menu fields also appear in boldface

•Representative text in a command line appears in italics. For example, the word filename

indicates that an actual filename should replace the italicized word.

•System messages appear in italics

CHAPTER 2 - Supervisor Overview

Universal Commands For Supervisor Menu Navigation

DS2000-TS Administrator’s Guide

2 - 2

To navigate down to a submenu:

•Type the command number and press <Enter>.

- or -

•Use the cursor keys (left, right, up and down arrows) to move to the desired function, and

press <Enter>.

To return to a previous menu:

•Press the <Esc> key.

- or -

•In menus with no modifiable fields, pressing the left arrow will display the previous menu.

To navigate within a modifiable menu:

•Use the cursor keys to move around the fields

•Use the <Tab> key to send the cursor to the next modifiable field.

•Press <Tab> repeatedly to get to the Process selections field. Or, while in the leftmost field

of the screen, press the left arrow key. This sends the cursor to the bottom right corner, which

is the Process selections field. The Process selections field appears on each screen where

there are modifiable parameters and is used to save the changes to volatile memory.

Although selecting Y and pressing <Enter> in the Process selections field saves the

changes, the user must also save the changes to Flash memory.

To change a modifiable field:

•To modify fields containing multiple toggle options, move the cursor with the arrow keys or

<Tab> key until it is in the field to be modified. Pressing <Enter> toggles the parameter to

the next option. Pressing the <Enter> key repeatedly cycles through all the field options.

Moving out of the field temporarily sets the field to the value entered. The change will

become permanent when the user saves the changes.

•To enter information in a text or number field, place the cursor in the field and type the

desired information. Moving the cursor out of the field stops editing the data field, and

temporarily sets the field to the value entered. The change will become permanent when the

user saves the changes.

To edit input

•The Supervisor Console is preconfigured to use the <Backspace> and <Delete> keys for

editing characters.

Before a change can be saved to Flash memory it must first be processed. This adds the information to the

system from which the Flash memory is updated. The Process selections field is in the lower right corner of

all modifiable menus. To process the changed configuration information, move the cursor to the Process

selections field. The Process selections field should contain a <Y> but if it is <N> type in the letter <Y> and

press the <Enter> key. If the user does not wish to save the changes made, either press <Esc> to go back to

the previous menu, or type <N> in the Process selections field and press <Enter>.

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Belden DynaStar 2000 Secure Terminal Server Owner's manual

Belden DynaStar 2000 Secure Terminal Server Owner's manual

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