Digital Link DL600E E1 User's Guide

DL600E E1 Data Multiplexer UserÕs Guide

x DL600E E1 Data Multiplexer UserÕs Guide Appendix A DL600E Technical Specifications A-1 Technical Specifications A-2SNMP A-3Terminal Supported A

5-24 DL600E E1 Data Multiplexer UserÕs Guide Pattern OptionsRunning TEST PATTERN on a Fraction of the BandwidthTo run TEST PATTERN on a fraction of th

Using the Front Panel Interface 5-253 Use the Up or Down Arrow to cycle through the available patterns. (Refer to ÒPattern OptionsÓ on page 5-24.) Sel

5-26 DL600E E1 Data Multiplexer UserÕs Guide

6Diagnosing the DL600E Unit¥ Running Diagnostic Tests 6-2¥ The Diagnostics Menu 6-3¥ Test Parameters 6-4¥ Test Types 6-6¥ Running Tests from t

6-2 DL600E E1 Data Multiplexer UserÕs GuideRunning Diagnostic TestsTo verify the connections and E1 line, run the following basic diagnos-tic and patt

Diagnosing the DL600E Unit 6-3UserselectableTest statusparametersSelected test The Diagnostics MenuWhen running a test, you can:¥ Initiate loopbacks a

6-4 DL600E E1 Data Multiplexer UserÕs GuideRunning a Test from Menu-9 Diagnostics To run a test from Menu-9 Diagnostics, select the test in the Test Þ

Diagnosing the DL600E Unit 6-5Enter any sequence of 1s and 0s, between 1 and 24 characters in length.The parameters and options in the upper test stat

6-6 DL600E E1 Data Multiplexer UserÕs GuideTest TypesSelf TestThe Self Test checks the systemÕs electronic components and performs a signal path check

Diagnosing the DL600E Unit 6-7You can perform the Loop DTE only if the DTE equipment has a feature to send and detect a test pattern. The DTE equipmen

Table of Figures Figure 1-1 Front View of the DL600E Unit 1-3Figure 1-2 Back View of the DL600E Unit 1-3Figure 2-1 DL600E Rear Panel Showing Power C

6-8 DL600E E1 Data Multiplexer UserÕs GuideLoop Payload TestThe Loop Payload test veriÞes proper operation of the DL600E unit and the E1 network. I

Diagnosing the DL600E Unit 6-9To run the Loop Up and Loop Down Remote tests from the front panel, press the REMOTE LPBK UP and DOWN buttons, respectiv

6-10 DL600E E1 Data Multiplexer UserÕs GuideSend 1:4 Test (or Alternate)The 1:4 code is the standard loop up remote code. It is typically used to pu

Appendix ADL600ETechnical SpeciÞcations

A-2 DL600E E1 Data Multiplexer UserÕs GuideTechnical SpeciÞcations E1 Electrical Network Interface Transmit line rate 2.048Mb/s ±50ppmReceive line

Technical SpeciÞcations A-3Front PanelDisplay 16 character alphanumericKey Pad 4 keysLEDs (per data port) TD, RD, CTS, RTS, DTR, DATA/TESTStatus Netw

A-4 DL600E E1 Data Multiplexer UserÕs GuideTerminal SupportedANSI (VT100) compatible terminal user interface supportedEquipment Grounding Conducto

Technical SpeciÞcations A-5RDSolid greenOffPulses to DTE detectedNo pulses to DTE detectedRTSYellowOffReceive to send line (RTS) from DTE is assertedR

A-6 DL600E E1 Data Multiplexer UserÕs Guide EXIT Button EXITLEFT ARROWERROR FREE SECONDSEnd operation or to higher level menu loop from a sub-menu

Factory Default ConÞguration A-7Factory Default ConÞgurationThe DL600E factory default settings are listed below. Unit ConÞgurationUnit ID Unique ID a

xiv DL600E E1 Data Multiplexer UserÕs Guide

A-8 DL600E E1 Data Multiplexer UserÕs GuideConÞguration WorksheetUse this worksheet to keep a written record of your conÞguration. Unit ConÞgurati

ConÞguration Worksheet A-9DL600E Model NumbersTable A-2 shows the model numbers of the equipment supplied to you by Digital Link.Table A-2 DL600E Mode

A-10 DL600E E1 Data Multiplexer UserÕs Guide

Appendix BConnector andPin Assignments

B-2 DL600E E1 Data Multiplexer UserÕs GuideE1 Network Pin AssignmentsThe pin assignments for the DB15 network interface connector are listed in T

B-3DL600E-to-Equipment Pin AssignmentsThe pin assignments for DL600E unit to Equipment in Table B-3.Table B-3 DL600E to Equipment Pin AssignmentsNa

B-4 DL600E E1 Data Multiplexer UserÕs GuideThe pin assignments for Equipment to DL600E unit in Table B-4.a. The data port can be programmed to r

B-5DB25-to-DC-37 (RS449) DTE Connector Pin AssignmentsThe pin assignments for the DB25-to-DC-37 (RS449) data port connector are listed below in Tab

B-6 DL600E E1 Data Multiplexer UserÕs GuideDB25-to-M-34 (V.35) DCE Connector Pin AssignmentsThe pin assignments for the DB25 to V.35 DCE connect

B-7DB25-to-DC-37 (RS449) DCE Connector Pin AssignmentsTable B-7 describes the DB25-to-DC-37 (RS449) DCE connector pin assignments.Table B-7 DB25 to

Table of Tables Table 3-1 DL600E Software Download Errors 3-15Table 3-2 DL600E Alarm Conditions 3-24Table 3-3 DL600E Alarm Conditions and System

B-8 DL600E E1 Data Multiplexer UserÕs GuideCommunication Port Pin AssignmentsTable B-8 describes the Comm Port pin assignments.a. CTS is used by

B-9DE9-to-DB25 Adapter Pin AssignmentsDigital Link provides a DB9-to-DB25 adapter for the Digital Link DE9 Comm Port ribbon cable. The pinout assig

B-10 DL600E E1 Data Multiplexer UserÕs Guide

GlossaryAAll 1sÑAll Ones simulates the highest spectral components and highest energy out of the product and out of the line repeaters on the E1 line.

G-2 DL600E E1 Data Multiplexer UserÕs GuidecircuitÑGenerally referring to a transmission medium connecting two or more electronic devices.clear chann

Glossary G-3Ddata linkÑA serial data communication transmission path, generally between two adjacent nodes or devices and without intermediate switchi

G-4 DL600E E1 Data Multiplexer UserÕs GuideDSR (Data Set Ready)ÑA data port signal.DSU LoopbackÑ A DSU loopback is intended to include as much of the

Glossary G-5equalizationÑThe spacing and operation of ampliÞers so that the gain pro-vided by the ampliÞer, per transmission frequency, coincides with

G-6 DL600E E1 Data Multiplexer UserÕs GuideHHDB3 (High Density Bipolar 3)Ñ A bipolar coding method that does not allow more than 3 consecutive zeroes

Glossary G-7multidropÑA communications arrangement where multiple devices share a common transmission channel, though only one may transmit at a time.

xvi DL600E E1 Data Multiplexer UserÕs Guide

G-8 DL600E E1 Data Multiplexer UserÕs GuiderepeaterÑEquipment that receives a pulse train, ampliÞes it, retimes it, and then reconstructs the signal

Glossary G-9scramblerÑA device or software program that encodes data for encryption. It distorts a voice or data conversation so that only another lik

G-10 DL600E E1 Data Multiplexer UserÕs GuidesocketÑA female connector designed to receive a male connector or plug.stop bitÑThe last transmitted elem

Glossary G-11UUA1 (Unframed All 1s)ÑWhen the DSU loses its signal from the DTE device, it generates a NET UA1 Received Alarm to the E1 network. VV.35Ñ

G-12 DL600E E1 Data Multiplexer UserÕs Guide

Index I-1IndexAAC power supply 2-4access rights 3-23adapterspin assignments B-9alarms 1-5configuring 3-25, 3-30Menu-8 Alarm II 3-28alloca

I-2 DL600E E1 Data Multiplexer UserÕs GuideFFEeventsthreshold alarm 3-27featuresSolo Encore 1-4framingMenu-4 Main ConÞguration 3-10front panel int

Index I-3SSelf Testat power-up 2-4, 2-6running 6-6simplex powerhandling with caution 2-2smooth clock on data port 1-4SNMPconÞguring 3-10, 3

Preface ¥ About this Manual xviii¥ Digital Link Technical Support xx¥ Send Us Your Comments xxi ¥ When Returning a Unit xxi Ensemble Encore

xviii DL600E E1 Data Multiplexer UserÕs Guide About this Manual The DL600E E1 Data Multiplexer UserÕs Guide provides information to install, conÞg

Preface xix Symbols The following symbol means it is very important to follow instructions carefully: Warning! The following symbol means you must fo

xx DL600E E1 Data Multiplexer UserÕs Guide Digital Link Technical Support If you encounter a problem with the DL600E unit, prepare the following inf

Preface xxi Send Us Your Comments We want to know if this manual meets your needs. Help us improve our service by sending us your comments. Tell us w

xxii DL600E E1 Data Multiplexer UserÕs Guide

1 About the DL600E Unit ¥ Introducing the DL600E Unit 1-2¥ DL600E Features 1-4¥ About the Telnet Utility 1-5¥ Applications 1-5

1-2 DL600E E1 Data Multiplexer UserÕs Guide Introducing the DL600E UnitThe DL600E unit is an intelligent E1 multiplexer and Data Service Unit (DSU). I

About the DL600E Unit 1-3.Figure 1-1 Front View of the DL600E Unit Figure 1-2 Back View of the DL600E UnitDL600ENCORE DATA MULTIPLEXERTESTAUXTD

1-4 DL600E E1 Data Multiplexer UserÕs Guide DL600E FeaturesThe DL600E unit offers the following service, access and management features:Service Featur

About the DL600E Unit 1-5¥ Performance monitoring and built-in test patterns and diagnostic tools to help maintain the line and troubleshoot problems

1-6 DL600E E1 Data Multiplexer UserÕs Guide

2Installing the DL600E Unit¥ Preparing for the Installation 2-2 ¥ Installing the DL600E Unit Using AC Power 2-4¥ Installing the DL600E Unit Using DC P

2-2 DL600E E1 Data Multiplexer UserÕs Guide Preparing for the InstallationThis chapter describes how to install the DL600E unit.Once you have installe

Installing the DL600E Unit 2-3Network port interface cable Cables with DA15 plug connectororCables with DA15 plug connector on one end and BNC connect

iii Copyright © 1997, Digital Link CorporationWorld copyright reserved. No part of this publication may be stored in a retrieval system, transmitted,

2-4 DL600E E1 Data Multiplexer UserÕs Guide About the Power Supply The DL600E unit can operate on either AC and DC power supplies. When the unit is or

Installing the DL600E Unit 2-5Installing the DL600E Unit Using DC PowerAllow two to three feet of clearance around the DL600E unit to give you access

2-6 DL600E E1 Data Multiplexer UserÕs Guide 8 To minimize disturbance to the wires through casual contact, secure the DC cable to the rack frame using

Installing the DL600E Unit 2-7Connecting to a DTE Device and the NetworkTo connect the DL600E unit to a DTE device and to the network, refer to Figure

2-8 DL600E E1 Data Multiplexer UserÕs Guide

3ConÞguring the DL600E Unit¥ Preparing to ConÞgure 3-2¥ Setting the Unit ID, Date and Time 3-10¥ ConÞguring the E1 Network and AUX E1 Port Parameters

3-2 DL600E E1 Data Multiplexer UserÕs Guide This chapter describes how to conÞgure the DL600E unit using its terminal interface.D Note: The DL600E uni

ConÞguring the DL600E Unit 3-3Checking the Comm Port Settings The default Comm Port settings are:¥ Baud rateÑ9600¥ Parity bitÑNone¥Word lengthÑ8¥ Stop

3-4 DL600E E1 Data Multiplexer UserÕs Guide Figure 3-1 Comm Port on the Back PanelConnecting a Terminal Through a ModemTo connect a terminal to the DL

ConÞguring the DL600E Unit 3-5Connecting DL600E Units in a Daisy ChainYou can daisy chain up to 60 DL600E units for centralized network monitoring and

iv Product Limited Warranty Digital Link warrants to buyer that any unit shipped to buyer, under normal and proper use, will be free from defects in

3-6 DL600E E1 Data Multiplexer UserÕs Guide Logging on to the DL600E Terminal InterfaceUse one of two methods to access the terminal interface: ¥ From

ConÞguring the DL600E Unit 3-72 If the unit is password protected and no other user is logged on, you are prompted:Current Unit ID is MAUI.Now you nee

3-8 DL600E E1 Data Multiplexer UserÕs Guide Logging on Using a Telnet Connection To log on to the DL600E unit user interface using a Telnet connection

ConÞguring the DL600E Unit 3-9Logging off To log off, press Ctrl-x. You are logged off when the terminal stops responding to your keystrokes.Before Yo

3-10 DL600E E1 Data Multiplexer UserÕs Guide ¥ Parameters of the Data and AUX E1 ports in Menu-5 Data Port ConÞguration¥ Timeslot allocations in Menu-

ConÞguring the DL600E Unit 3-11D Note: The screen may contain parameters that apply onlyto the remote unit. In the example in Figure 3-2, theremote

3-12 DL600E E1 Data Multiplexer UserÕs Guide and the CRC values are compared. If they do not match, the frame is considered bad and the CRC statistic

ConÞguring the DL600E Unit 3-13AUX and AUX E1 PortThe two AUX parameters appear if the DL600E unit has the E1 drop-and-insert port and/or when the rem

3-14 DL600E E1 Data Multiplexer UserÕs Guide The system prompts (if s or d is chosen):Please start the XMODEM download. Type CTRL-X to abort.4 From th

ConÞguring the DL600E Unit 3-15Download RAM AllocatedÑBAD indicates that the DL600E download utility resident in RAM is corrupted and a successful dow

v Disclaimer Digital Link Corporation makes no representation of warranties with respect to the contents of this document and speciÞcally disclaims a

3-16 DL600E E1 Data Multiplexer UserÕs Guide Configuring the Data PortTo conÞgure a data port, use Menu-5 Data Port ConÞguration.Set the parameters fo

ConÞguring the DL600E Unit 3-17FormatÑV.35 or X.21 (DefaultÑV.35)Select V.35 or X.21 operation. You can select RS-449 and EIA-530 by using different c

3-18 DL600E E1 Data Multiplexer UserÕs Guide SW Ver 1.0 MIB Ver 1.1 Digital Link DL600 Encore 04/22/95HW Ver A Menu-6 Timeslot Configuration 12:56:56L

ConÞguring the DL600E Unit 3-192 To specify Data Port 1:Ñ Press the Down Arrow to move to Allocate by Port and Return to activate edit mode.Ñ Press 01

3-20 DL600E E1 Data Multiplexer UserÕs Guide Ñ Press i for IDLE and Return, then y to conÞrm.Ñ A dashed blank line appears in timeslot 1.Ñ Press L

ConÞguring the DL600E Unit 3-21ConÞguring for SNMPConÞgure each unit for SNMP management functionality in Menu-0 SNMP ConÞg.In the example in Figure 3

3-22 DL600E E1 Data Multiplexer UserÕs Guide Forward Over IBC (In-Band Communication)ÑEnabled or Disabled (DefaultÑDisabled)EnabledÑEnables the automa

ConÞguring the DL600E Unit 3-23Trap (text string) (Default Ñ public)Enter an alphanumeric text string (maximumÑ32 characters) which the DL600E SNMP ag

3-24 DL600E E1 Data Multiplexer UserÕs Guide ConÞguring Alarm ConditionsSet alarm conditions in Menu-7 Alarm I and Menu-8 Alarm II.They are based on t

ConÞguring the DL600E Unit 3-25When you are not logged on, the alarm appears as a single line showing the unit ID, local or remote alarm, type of alar

vi Regulatory Compliance Standards To maintain EMC Class B (CE Label) compliance, shielded cables should be used with the unit.The Digital Link DL600

3-26 DL600E E1 Data Multiplexer UserÕs Guide Figure 3-6, the remote unit is a DL600E unit, Solo E1 unit or A Solo E1 Ensemble Shelf Module.Menu-7 Alar

ConÞguring the DL600E Unit 3-27CRC4 Threshold AlarmÑ(Cyclic Redundancy Check) A x 10 ^ B (DefaultÑDisabled)Set A and B in A x 10 ^ B. Maximum threshol

3-28 DL600E E1 Data Multiplexer UserÕs Guide SW Ver 1.0 MIB Ver 1.1 Digital Link DL600 Encore 4/22/95HW Ver A Menu-8 Alarm II 12:56:56Local: OAHU Rem

ConÞguring the DL600E Unit 3-29External Alarm Input MessageÑ(20 characters maximum)Appears in the menu only when the remote unit is a DL600E unit and

3-30 DL600E E1 Data Multiplexer UserÕs Guide Phone Number 1Enter a valid telephone number (20 characters maximum). The modem dials out using the Þrst

4Monitoring and Managingthe DL600E Unit¥ Introduction 4-2¥ Logging on to the DL600E 4-2¥ Logging Off 4-6¥ Monitoring Status 4-6¥ Displaying Pe

4-2 DL600E E1 Data Multiplexer UserÕs GuideIntroductionThe DL600E unit collects and displays performance data as well as additional data useful for ne

Monitoring and Managing the DL600E Unit 4-3¥ Change both passwords ¥ Clear both passwords giving Superuser access to all usersWith the Normal User pas

4-4 DL600E E1 Data Multiplexer UserÕs GuideLogging on In Other ConditionsThe system responds differently depending on the log on conditions on the DL6

Monitoring and Managing the DL600E Unit 4-5Logging On Using a Telnet Connection To log on to the DL600E user interface using a Telnet connection: 1 En

Table of Contents Preface xvii About this Manual xviiiAudience xviiiOrganization xviiiSymbols xixTypographic Conventions xixDigital Link Technical

4-6 DL600E E1 Data Multiplexer UserÕs GuideLogging Off To log off, press Ctrl-x. You are logged off when the terminal stops responding to keystrokes.

Monitoring and Managing the DL600E Unit 4-7Menu-1 Main Status ParametersAll parameters in Menu-1 are read-only.Unit StatusUnit Status indicates if the

4-8 DL600E E1 Data Multiplexer UserÕs GuideNetwork StatusNetwork Status indicates any abnormal conditions present on the received E1 signal.Local AUX

Monitoring and Managing the DL600E Unit 4-9Remote AUX DTE StatusRemote AUX DTE Status appears only when the remote unit has an AUX port and applies on

4-10 DL600E E1 Data Multiplexer UserÕs GuideSeconds in Current 15 Min.Displays the number of seconds elapsed in the current 15-minute interval.Errored

Monitoring and Managing the DL600E Unit 4-11Signal Loss and Local Test are mutually exclusive because the DL600E unit uses the same interface lines to

4-12 DL600E E1 Data Multiplexer UserÕs GuideEvents in the Performance ReportsThe events in the Menu-3 Performance Reports areErrored Seconds (ES)A sec

5Using the Front PanelInterface¥ Introduction 5-2¥ Preparing for the Initial ConÞguration 5-7¥ ConÞguring the Unit and Network Parameters 5-13¥

5-2 DL600E E1 Data Multiplexer UserÕs GuideIntroductionThis chapter describes the front panel interface of the DL600E unit. The front panel interface

Using the Front Panel Interface 5-3Front Panel DescriptionThe front panel interface, shown in Figure 6-1, consists of a 16-character ßuorescent displa

viii DL600E E1 Data Multiplexer UserÕs Guide Chapter 3 Configuring the DL600E Unit 3-1 Preparing to Configure 3-2Keeping a Record 3-2Connecting an

5-4 DL600E E1 Data Multiplexer UserÕs GuideEach menu may contain submenus which in turn may contain submenus. To open a menu, select the menu using th

Using the Front Panel Interface 5-5Front Panel KeysThe system always indicates at the bottom of the status display what you can do immediately. You ca

5-6 DL600E E1 Data Multiplexer UserÕs GuideEditing a ParameterTo modify a parameter such as the unit ID:1 Press ENTER to open the CONFIGURATION MENU.T

Using the Front Panel Interface 5-7Preparing for the Initial ConÞgurationBefore you start an initial conÞguration, you need the required information r

5-8 DL600E E1 Data Multiplexer UserÕs GuideConÞguring the Unit and Network ParametersUse the UNIT CONFIG and NET CONFIG menus in the CONFIGURATION men

Using the Front Panel Interface 5-9The UNIT CONFIG SubmenuThe items in the UNIT CONFIG menu are shown below.Use the Up or Down Arrows to move from ite

5-10 DL600E E1 Data Multiplexer UserÕs GuideThe Comm Port Settings The Comm Port parameters are: BAUD RATE, PARITY, WORD LENGTH, STOP BITS, ENABLE DCD

Using the Front Panel Interface 5-11The NET CONFIG MenuThe NET CONFIG menu contains the following items:For a description of these items, refer to Men

5-12 DL600E E1 Data Multiplexer UserÕs Guide2 Set the external clock rate in the EXT CLK submenu. The clock rate is in increments of 56K or 64K and th

Using the Front Panel Interface 5-13Cycle through the options (EXT, INT, NET, DATA 4, DATA 3, DATA 2, DATA 1, AUX) using the Up or Down Arrows and pre

ix Chapter 5 Using the Front Panel Interface 5-1 Introduction 5-2What You CanÕt Do From the Front Panel Interface 5-2Front Panel Description 5-3Ho

5-14 DL600E E1 Data Multiplexer UserÕs GuideConÞguring the Data PortsUse DATA 1 CONFIG, DATA 2 CONFIG, DATA 3 CONFIG, and so on to conÞgure data ports

Using the Front Panel Interface 5-15Displaying the Timeslot AllocationTo display the timeslot allocation for each port:1 Press ENTER to open the CONFI

5-16 DL600E E1 Data Multiplexer UserÕs GuideChanging the Allocation for Occupied SlotsWhen you try to allocate an occupied slot to another port from t

Using the Front Panel Interface 5-17The timeslot allocation for port 1 appears:4 To allocate slots to port 2:Ñ Move to port 2 by pressing the Up Arrow

5-18 DL600E E1 Data Multiplexer UserÕs Guide2 To select a network timeslot:Ñ Go to TS CONFIG NET by pressing the Up or Down Arrow.You can now select a

Using the Front Panel Interface 5-19Using the MONITOR MenuUse the MONITOR menu to display network status, DTE status and the network error counter.The

5-20 DL600E E1 Data Multiplexer UserÕs GuideFor more information about monitoring the DL600E unit, refer to ÒMenu-1 Main Status ParametersÓ in Chapter

Using the Front Panel Interface 5-21The test continues running until you end it.2 To end the test, press and ENTER.The name of the terminated te

5-22 DL600E E1 Data Multiplexer UserÕs GuideRunning a Full Bandwidth or Fractional LOOP DTESelect LOOP DTE and press ENTER to open the sub-menu.LOOP D

Using the Front Panel Interface 5-233 Cycle through the full bandwidth patterns using the Up or Down Arrow and press ENTER to select the pattern and s