Encore 24 PORTS NWAY SWITCHING HUB Guida Utente

Part 098-00903-01 Rev. BJuly, 1997 Encore Multi-port DSU/CSU User Guide

G x Encore Multi-port DSU/CSU User GuideÑJuly, 1997 Adding a Caution Flag 6-2 Testing with Menu-9 Diagnostics 6-2 Menu-9 Diagnostics Parameters 6-4 N

4-8 Encore Multi-port DSU/CSU User GuideÑJuly, 19974Figure 4-2 below shows an example of Menu-2 Data DTE Status. The local DSU/CSU is a VX Encore and

Monitoring and Management 4-94Monitoring PerformanceEach Multi-port Encore DSU/CSU collects and displays performance data (compliant with the AT&T

4-10 Encore Multi-port DSU/CSU User GuideÑJuly, 19974The fourth report displays the user registers. You can clear these if necessary. Events in the Pe

Monitoring and Management 4-114Carrier Register, Current IntervalThe DSU/CSU displays performance data for the most current 15-minute interval (Figure

4-12 Encore Multi-port DSU/CSU User GuideÑJuly, 19974Carrier Registers, Total over 24 HoursCarrier Registers, total over 24 hours displays performance

Monitoring and Management 4-134Carrier Registers, 24 Hour DetailPerformance data for the last 24 hours is displayed in the Carrier Registers, 24 hour

4-14 Encore Multi-port DSU/CSU User GuideÑJuly, 19974User Registers, 24 Hour DetailPerformance data in the user registers for the last 24 hours is dis

Monitoring and Management 4-154Displaying the Performance Report in D4 ModeTwo performance reports are available in D4 mode:¥ User Registers with 24 h

4-16 Encore Multi-port DSU/CSU User GuideÑJuly, 19974Event Log ParametersLog - Local or Remote (Default - Local)Select for either Local or Remote even

Monitoring and Management 4-174Event - This Þeld allows a particular type of event to be displayed (Default - 0, All). Enter an event index or use the

G Table of Contents xi The DSU/CSU System does not Dial Out when an Alarm Occurs 6-17 There is no FDL Communication with the Remote/far End System 6-

4-18 Encore Multi-port DSU/CSU User GuideÑJuly, 19974

5-15The Front Panel5This chapter describes the front panel interface of the DL100 Encore, DL1200, DL2400 and VX Encore. The front panel provides acces

5-2 Encore Multi-port DSU/CSU User GuideÑJuly, 19975What is Not Available on the Front PanelThe front panel does not provide for setting:¥ Alarm condi

The Front Panel 5-35The front panel interface can be disabled only from the terminal interface, using Protect Mode in Menu-4, Main ConÞguration.Using

5-4 Encore Multi-port DSU/CSU User GuideÑJuly, 19975Changing InformationMost of the menus are toggles: pressing either the up or down arrow key change

The Front Panel 5-55Monitor SubmenusFigure 5-2 shows the MONITOR submenu and related submenus. For more information on the parameters, refer to Chapte

5-6 Encore Multi-port DSU/CSU User GuideÑJuly, 19975Test SubmenusFigure 5-3 shows the TEST submenu and related submenus. For more information on the p

The Front Panel 5-75Running a TEST PATTERNAlso refer to Running the Pattern Test on page 6-25.To run TEST PATTERN:1. Select TEST PATTERN and press ENT

5-8 Encore Multi-port DSU/CSU User GuideÑJuly, 19975ConÞguration SubmenusFigure 5-4, and Figure 5-5 show the CONFIGURATION submenus and related submen

The Front Panel 5-95Figure 5-5 The Front Panel Menu Tree, CONFIGURATION (Continued)CONFIGURATIONSNMP CONFIGSNMP ENABLE NOIP 0.0.0.0MSK, 0.0.0.01ST NMS

Gxii Encore Multi-port DSU/CSU User GuideÑJuly, 1997Data Interface A-1DS1 Interface A-2System Timing A-2SNMP A-2Front Panel A-3Power Options A-3Alarm

5-10 Encore Multi-port DSU/CSU User GuideÑJuly, 19975The AUX CONFIG MenuOnly when the optional auxiliary DS1 port is in use does t he AUX CONFIG menu

The Front Panel 5-115¥ One to three NMS IP addresses.For enabling SNMP network management capability¥ Framing and line code requirements.As speciÞed i

5-12 Encore Multi-port DSU/CSU User GuideÑJuly, 19975

6-16Diagnostics and Troubleshooting6To verify your connections and T1 line, run diagnostics from Menu-9 Diagnostics: ¥ Self test¥ Loop DTE test¥ Loop

6-2 Encore Multi-port DSU/CSU User GuideÑJuly, 19976Adding a Caution Flag You can add a caution ßag to the actions that may disrupt trafÞc or lose con

Diagnostics and Troubleshooting 6-363. To start the test, press s , then y to conÞrm (or press any other key to cancel).The test results are displayed

6-4 Encore Multi-port DSU/CSU User GuideÑJuly, 19976Figure 6-1 Menu-9 Diagnostics with Loop Payload Test SelectedMenu-9 Diagnostics ParametersThe para

Diagnostics and Troubleshooting 6-56¥ Pattern Test StatusIdle, Searching, Locked, RelockedLocked Seconds is displayed if the current pattern test is l

6-6 Encore Multi-port DSU/CSU User GuideÑJuly, 19976¥ Last Self Test ResultSelf Test PassedError nn (1 to 5) Next Test (fraction)¥ Next Test Length15

Diagnostics and Troubleshooting 6-76The Self TestThe Self Test checks the DSU/CSU electronic components and performs a signal path check of transmit a

GTable of Contents xiiiGlossary Glossary-1Index Index-1

6-8 Encore Multi-port DSU/CSU User GuideÑJuly, 19976Figure 6-2 Loop DTE TestThe Loop NET TestThe Loop NET test, available only on full bandwidth, veri

Diagnostics and Troubleshooting 6-96It loops the data received from the T1 network back to the network. The data is regenerated before it is looped ba

6-10 Encore Multi-port DSU/CSU User GuideÑJuly, 19976The individual channel Loop Payload loops a selected ÒfractionÓ of the T1 signal toward the netwo

Diagnostics and Troubleshooting 6-116(This feature in not available on the VX Encore.)Figure 6-4 Loop Payload TestThe Loop Up Remote TestThe Loop Up R

6-12 Encore Multi-port DSU/CSU User GuideÑJuly, 19976Use the Loop Down Remote test to terminate the remote loopback. You can run the Loop Up Remote an

Diagnostics and Troubleshooting 6-136The Pattern TestsThe QRW Pattern TestQRW is a pseudo random signal which may catch problems not exposed by other

6-14 Encore Multi-port DSU/CSU User GuideÑJuly, 19976The Send All Zeroes TestThis pattern is used to check the correct operation of the B8ZS (T1) line

Diagnostics and Troubleshooting 6-156The User 1 Pattern and User 2 Pattern TestsThese two user programmable (up to 24 characters) patterns enable you

6-16 Encore Multi-port DSU/CSU User GuideÑJuly, 19976The DSU/CSU does not Power Up¥ Make sure the DSU/CSU is plugged in to a live AC outlet, if it is

Diagnostics and Troubleshooting 6-176¥ Check all fuses for opens and replace as needed. If the DSU/CSU blows fuses continuously, call Digital Link tec

Gxiv Encore Multi-port DSU/CSU User GuideÑJuly, 1997

6-18 Encore Multi-port DSU/CSU User GuideÑJuly, 19976¥ Make sure the network carrier is using the ANSI T1.403 or AT&T TR54016 protocol. The system

Diagnostics and Troubleshooting 6-196The NET LED does not Illuminate¥ Run a lamp test from Menu-9 Diagnostics to make sure the LEDs are working.¥ Make

6-20 Encore Multi-port DSU/CSU User GuideÑJuly, 19976¥ If, after all above steps have been satisÞed, your DSU/CSU still shows a yellow NET LED, call D

Diagnostics and Troubleshooting 6-216¥ If you have eliminated the above as a cause, place your data test set on the problem portÑif the TD/RD LEDs do

6-22 Encore Multi-port DSU/CSU User GuideÑJuly, 19976¥ If the errors persist, call Digital Link technical support for assistance.LEDs do not Illuminat

Diagnostics and Troubleshooting 6-236No Response from any DSU/CSU on the Communication Network¥ Make sure Pin 8, CTS, is not connected at the ASCII te

6-24 Encore Multi-port DSU/CSU User GuideÑJuly, 19976Invalid Data is Received with a Mostly Good Menu Display¥ Reduce the baud rate on the DSU/CSUs an

Diagnostics and Troubleshooting 6-256¥ Network loopbackIf you suspect that the DSU/CSU is defective, manually place the DSU/CSU in a network loopback

6-26 Encore Multi-port DSU/CSU User GuideÑJuly, 19976

A-1ATechnical SpeciÞcationsANetwork InterfaceData Interface Table A-1 Network InterfaceItem SpeciÞcationReceive line rate 1.544Mb/s ±50bp/sLine code A

GxvList of Figures GFigure 1-1 VX Encore 1-2Figure 1-2 DL100 Encore 1-2Figure 1-3 Digital Service Hub 1-3Figure 1-4 Example of Wide Area Netwo

A-2 Encore Multi-port DSU/CSU User GuideÑJuly, 1997ADS1 InterfaceSystem TimingInternal, network, DS1 port, data portExternal (N x 56Kb/s & 64Kb/s

Technical SpeciÞcations A-3AFront PanelPower OptionsTable A-4 Front PanelItem SpeciÞcationDisplay16 character alphanumericKey pad4 keysLEDs (per data

A-4 Encore Multi-port DSU/CSU User GuideÑJuly, 1997AAlarm ContactsEnvironmental Table A-6 Alarm ContactsItem SpeciÞcationInput Form C dry contacts, NO

Technical SpeciÞcations A-5ARegulatory UL 1459UL 1950 FCC Part 68FCC Part 15 Class ACUL (CSA)DOC (IC)ESD Standard compliance: C62.41-1980Comm Port DC-

A-6 Encore Multi-port DSU/CSU User GuideÑJuly, 1997ADiagnostics and TestsTable A-9 DiagnosticsItem SpeciÞcationLoopbacks T1 Network, T1 Payload, Multi

Technical SpeciÞcations A-7AReliability and Equipment LifeFront Panel LEDsThe LEDs on the DSU/CSU front panel show the status of the data port, networ

A-8 Encore Multi-port DSU/CSU User GuideÑJuly, 1997AThe example in Figure A-1 shows the front panel LEDs on a VX Encore.Figure A-1 VX Encore Front Pan

Technical SpeciÞcations A-9AFront Panel Test JacksThe three monitor jacks on the front panel enable you to test the T1 line without disrupting the equ

A-10 Encore Multi-port DSU/CSU User GuideÑJuly, 1997AComm Port ParametersEquipment Grounding ConductorThe equipment grounding conductor or cable is co

Technical SpeciÞcations A-11AA bare, covered or insulated grounding conductor is acceptable. An individually covered or insulated conductor should hav

Gxvi Encore Multi-port DSU/CSU User GuideÑJuly, 1997Figure 3-4 Menu-6 Timeslot ConÞguration in Default Mode 3-23Figure 3-5 Menu-0 SNMP ConÞg. in E

A-12 Encore Multi-port DSU/CSU User GuideÑJuly, 1997AMulti-port DSU/CSU Model NumberTable A-14 Model Numbers Item DescriptionDL090-P VX Encore DSU/CS

Technical SpeciÞcations A-13AFactory Default ConÞgurationTable A-15 Factory Default ConÞguration Unit ConÞgurationUnit IDNo ID assigned Protect Mode

A-14 Encore Multi-port DSU/CSU User GuideÑJuly, 1997AAlarm ConÞgurationBlock All Alarms No CRC Threshold Alarm DisabledBPV Threshold Alarm Disabled OO

Technical SpeciÞcations A-15ADetermining the Distance between the DSU/CSU and the T1 Line Demarcation PointYou need to determine the correct distance

A-16 Encore Multi-port DSU/CSU User GuideÑJuly, 1997A¥ Calculate the T1 transmission using this formula:L1 + L2 + L3 = 15 to 22.5 dBThe sum of the two

B-1BConnector Pin AssignmentsBT1 Network Port Pin AssignmentsAUX DTE Pin AssignmentsTable B-1 DA-15 Network Interface Pin AssignmentsPin Signal 1 Send

B-2 Encore Multi-port DSU/CSU User GuideÑJuly, 1997BDTE Port Pin AssignmentsThe pin assignments for the DB-25 DTE connector are listed in the followin

Connector Pin Assignments B-3BRed NC NCBlack X 9Red V 17Green Y 15Black AA 12Blue U 24RED W 11Blue C 4Green NC NCDRAIN ATable B-4 DB-25 to RS-449 DTE

B-4 Encore Multi-port DSU/CSU User GuideÑJuly, 1997BCommunication Port Pin AssignmentsTable B-5 describes the Comm Port pin assignments for the Multi-

Connector Pin Assignments B-5BAdapter Pin AssignmentsDigital Link provides a DB-25 to DC-9 adapter for the Digital Link DC-9 Comm Port ribbon cable. T

GList of Figures xviiFigure 4-7 Menu-3, User Registers, 24 Hour Detail Report in ESF Mode 4-14Figure 4-8 Menu-3 Event Log 4-15Figure 5-1 Front P

B-6 Encore Multi-port DSU/CSU User GuideÑJuly, 1997BDTE Clock RatesTable B-7 lists the DTE clock rates.Table B-7 DTE Clock Rates Line Code Network

C-1CConÞguration WorksheetCUse this worksheet to keep a written record of your conÞguration.Table C-1 ConÞguration Worksheet Unit ConÞgurationUnit ID

C-2 Encore Multi-port DSU/CSU User GuideÑJuly, 1997CAUX Port ConÞgurationAux Framing ... Aux Line Code ...

ConÞguration Worksheet C-3CAlarm ConÞgurationBlock All Alarms ... CRC Threshold Alarm...

C-4 Encore Multi-port DSU/CSU User GuideÑJuly, 1997CComm Port and Terminal ConÞgurationConnection ... Terminal M

G-1GGlossaryGAABAMA designation for 22 gauge, 110 ohm, plastic insulated, twisted pair Western Electric cable normally used in central ofÞces.AIS (Ala

G-2 Encore Multi-port DSU/CSU User GuideÑJuly, 1997Gasynchronous transmissionTransmission not related to a speciÞc frequency, or to the timing of the

Glossary G-3Gbit/sBits per second; the basic unit of measure for serial data transmission capacity; Kbits (kilobits) for thousands of bits per second;

G-4 Encore Multi-port DSU/CSU User GuideÑJuly, 1997Gclear channelA characteristic of a transmission path or digital circuit in which the full bandwidt

Glossary G-5GCSU (Channel Service Unit)The CPE used to terminate a digital circuit at the customer site. The CSU performs certain line-conditioning fu

Gxviii Encore Multi-port DSU/CSU User GuideÑJuly, 1997

G-6 Encore Multi-port DSU/CSU User GuideÑJuly, 1997GDCE (Data Circuit-Terminating Equipment)Equipment that is either a part of the network, an access

Glossary G-7GDSU LoopbackA DSU loopback is intended to include as much of the customer data communications circuitry in the looped-back path as possib

G-8 Encore Multi-port DSU/CSU User GuideÑJuly, 1997Gencoding/decodingThe process of reformatting information into a format suitable for transmission,

Glossary G-9Gfractional bandwidth DTE loopbackA loopback test that loops back the signal at the network interface. See also loopback.Fractional T1A se

G-10 Encore Multi-port DSU/CSU User GuideÑJuly, 1997GHDLC (High Level Data Link Control)Bit-oriented, data-link control protocol; any related control

Glossary G-11GLT (Local Test)A data port signal to DSU/CSU. MmaskRefer to subnet mask. MIB (Management Information Base)A structure that deÞnes what i

G-12 Encore Multi-port DSU/CSU User GuideÑJuly, 1997GNI (Network Interface)The point of demarcation between the customer premises and the carrier&apos

Glossary G-13GprotocolA formal set of rules governing the format, timing, sequencing and error control of exchanged messages on a data network.RRD (Re

G-14 Encore Multi-port DSU/CSU User GuideÑJuly, 1997GRS-232-CAn EIA speciÞed physical interface, with associated electrical signaling, between data ci

Glossary G-15Gserial transmissionA sequential transmission of bits constituting an entity of data over a data circuit.SES (Severely Errored Second)A s

GxixList of Tables GTable 1-1 Data Ports 1-1Table 2-1 Connecting the DTE cable 2-11Table 3-1 Access Rights 3-6Table 3-2 Encore Multi-port D

G-16 Encore Multi-port DSU/CSU User GuideÑJuly, 1997Gsynchronous transmissionData communications in which characters or bits are sent at a Þxed rate a

Glossary G-17GUAS (Unavailable Seconds)Number of seconds elapsed after 10 consecutive SES events are received (ESF framing only). VV.35A CCITT standar

G-18 Encore Multi-port DSU/CSU User GuideÑJuly, 1997G

I-1IGIndex IAABAMT1 network cable 2-12AC power supplytroubleshooting 6-16AIS (Alarm Indication Signal)NET AIS Received Alarm 3-36alarmsconfiguring 3-42

I-2 Encore Multi-port DSU/CSU User GuideÑJuly, 1997IGMenu-4 Main Configuration 3-15, 3-18DA-15 connector 2-2, 2-12, 2-13, 6-15, 6-19DACs modetroublesho

Index I-3IGLlamp testtroubleshooting 6-19, 6-20, 6-21, 6-22LBO (Line Build Out) 3-15LEDs A-8troubleshooting data port 6-20line codeMenu-4 Main Configur

I-4 Encore Multi-port DSU/CSU User GuideÑJuly, 1997IGRS-449 dataconverting 1-1RS-449 interfaceconnecting DTE cable 2-11troubleshooting DTE cable 6-21R

Index I-5IGDTE device 6-21DTE loopback 6-25ESF 6-17FDL communication 6-17front panel LEDs 6-20fuses 6-16lamp test 6-19, 6-20, 6-21, 6-22LEDs 6-22loop

I-6 Encore Multi-port DSU/CSU User GuideÑJuly, 1997IG

ii Encore Multi-port DSU/CSU User GuideÑJuly, 1997 Copyright Copyright © 1997, Digital Link CorporationWorld copyright reserved. No part of this pub

Gxx Encore Multi-port DSU/CSU User GuideÑJuly, 1997Table 3-12 Alarm Sources and Events 3-33Table 3-13 Menu-7 Alarm I Parameters 3-35Table 3-14

GList of Tables xxiTable A-1 Network Interface A-1Table A-2 Data Interface A-1Table A-3 DS1 Interface A-2Table A-4 Front Panel A-3Table A-5

Gxxii Encore Multi-port DSU/CSU User GuideÑJuly, 1997Table B-2 DA-15 Auxiliary DS1 Connector Pin Assignments B-1Table B-3 DB-25 to V.35 DTE Connec

GxxiiiPreface GThe Multi-port Encore DSU/CSU User Guide provides the information to install, test, operate and manage Digital Link VX Encoreª, DL100 E

Gxxiv Encore Multi-port DSU/CSU User GuideÑJuly, 1997SymbolsSymbols alert you to instructions that could result in equipment damage, or injury to you.

GPreface xxvTypographic ConventionsTypographical conventions are used throughout this document. Their purpose is to help you distinguish between the d

Gxxvi Encore Multi-port DSU/CSU User GuideÑJuly, 1997When Viewing in Adobe AcrobatªIf you use Adobe Acrobatª to view this documentation, you should be

GPreface xxviiDigital Link Technical SupportIf you have a problem, prepare the following information and contact Digital Link Technical Support:¥ DSU/

Gxxviii Encore Multi-port DSU/CSU User GuideÑJuly, 1997Returning a DSU/CSUIn the event that you need to return a DSU/CSU for service or repair, please

1-11Introduction1Digital Link offers four Multi-port Encore DSU/CSUs which enable you to access high-speed public/private T1/FT1 and frame relay servi

iii its sole option, either repair or replace defective goods or work, and shall have no further obligation to buyer. Return of the defective items

1-2 Encore Multi-port DSU/CSU User GuideÑJuly, 19971When referring to the four Multi-port DSU/CSUs, this guide uses DSU/CSU. When information applies

Introduction 1-31Figure 1-3 Digital Service HubMulti-port Encore DSU/CSU FeaturesThe four Multi-port Encore DSU/CSUs offer these features.Service ¥ T1

1-4 Encore Multi-port DSU/CSU User GuideÑJuly, 19971Data ports¥ Software conÞguration for V.35, RS-449 or EIA-530 electrical interface with a DB-25 co

Introduction 1-51CompliancyCompliance with: FCC Part 68, AT&T TR62411, AT&T TR54016-1989, ANSI T1.403-1989, FCC Part 15, UL 1459, UL 1950, DOC

1-6 Encore Multi-port DSU/CSU User GuideÑJuly, 19971Figure 1-4 Example of Wide Area NetworkrouterVX EncoreVX Encore PrinterFT1WAN orFrameRelaySNMP Man

2-12Installation2This chapter describes the physical installation process.The installation is the same for each Multi-port Encore DSU/CSU. When inform

2-2 Encore Multi-port DSU/CSU User GuideÑJuly, 19972Required LocationInstall the DSU/CSU in a Restricted Access Area in accordance with safety regulat

Installation 2-32¥ AUX port interface cable The cable can have DA-15 male connectors on both ends or a DA-15 male connector on one end and an RJ-48C m

2-4 Encore Multi-port DSU/CSU User GuideÑJuly, 19972InstallationThe Multi-port Encore DSU/CSU installs on a ßat surface or mount in a 19" or 23&q

Installation 2-52Figure 2-1 VX Encore Mounted on a 19" RackFigure 2-2 VX Encore Mounted on a 23" RackTD RD RTS CTS DTRPORT 2T1 DSU/CSUDATATE

iv Encore Multi-port DSU/CSU User GuideÑJuly, 1997 ISO RegistrationCompliance To maintain EMC Class B (CE Label) compliance, shielded cables should

2-6 Encore Multi-port DSU/CSU User GuideÑJuly, 19972Connecting to PowerConnecting the DL100 to AC Power The DL100 Encore DSU/CSU and the two Digital S

Installation 2-72Figure 2-3 AC Power Receptacle on DL100 Encore and Digital Service HubsPORT 2PORT 1INCOMM PORT EX TCLOCKRTNOUT DCPOWER+_AUXR

2-8 Encore Multi-port DSU/CSU User GuideÑJuly, 19972Connecting the VX Encore to AC and DC PowerThis section describes:¥ AC power connection¥ DC power

Installation 2-92.Figure 2-4 Plus and Minus Terminals on VX Encore Back PanelConnecting the VX Encore to DC PowerYou need a tray cable that is UL reco

2-10 Encore Multi-port DSU/CSU User GuideÑJuly, 199726. Connect a third safety ground wire to the ground stud using a 1/4" wrench and a 5 Lb-ins

Installation 2-112To connect the DSU/CSU to the DTE devices, you use a data port interface cable. The cable type depends on the DSU/CSUÕs interface (V

2-12 Encore Multi-port DSU/CSU User GuideÑJuly, 19972To connect the DSU/CSU to the DTE devices:1. Using the appropriate DTE cable, connect the cable t

Installation 2-132The T1 cableÕs send and receive pairs are shielded separately to minimize cross-talk. Additional information on this cable is outlin

2-14 Encore Multi-port DSU/CSU User GuideÑJuly, 19972

3-13ConÞguration3To conÞgure a Multi-port Encore DSU/CSU, use:¥ The terminal interface¥ The front panel interfaceThe front panel interface is convenie

G v Table of Contents G Copyright ii Product Limited Warranty ii Remedies and Limitations of Liability ii Disclaimer iii ISO RegistrationCompliance i

3-2 Encore Multi-port DSU/CSU User GuideÑJuly, 19973Check the Comm Port Settings Before you connect the terminal, make sure the DSU/CSU Comm Port sett

ConÞguration 3-33Connecting an ANSI TerminalYou can connect an ANSI-based VT100 compatible terminal to the Comm Port either directly, through a Digita

3-4 Encore Multi-port DSU/CSU User GuideÑJuly, 19973Connecting a Terminal Through a ModemUse a null modem cable to connect a terminal through a modem.

ConÞguration 3-53Connecting DSU/CSUs in a Daisy ChainYou can connect up to 60 Multi-port Encore DSU/CSUs in a single RS-232 multi-drop (daisy-chain) f

3-6 Encore Multi-port DSU/CSU User GuideÑJuly, 19973Access RightsThe DSU/CSU supports superuser or normal user access rights. The superuser has the pr

ConÞguration 3-73Setting Password Protection for the User InterfaceWhen you log on to the DSU/CSU for the Þrst time, set the superuser and the user pa

3-8 Encore Multi-port DSU/CSU User GuideÑJuly, 19973Log On from a Terminal The superuser always has access to the DSU/CSU, and disconnects a user that

ConÞguration 3-93Log On in Other ConditionsThe DSU/CSU responds differently depending on who (user or superuser) is logged on.SuperuserThe superuser h

3-10 Encore Multi-port DSU/CSU User GuideÑJuly, 19973Do not try to log on from a Telnet session when the DSU/CSU is in dial-up mode. Use a terminal or

ConÞguration 3-113ConÞguring the Menu-4 Main ParametersUse Menu-4 Main ConÞguration to set the unit ID, date, time and T1 network parameters. If you a

G vi Encore Multi-port DSU/CSU User GuideÑJuly, 1997 Compliancy 1-5 About the Telnet Utility 1-5 Example of a Network Configuration 1-5 Chapter 2, In

3-12 Encore Multi-port DSU/CSU User GuideÑJuly, 19973Figure 3-2 Menu-4 Main ConÞguration in ESFSetting the Unit ID, Date and TimeTo set the unit ID, d

ConÞguration 3-1333. Press Return to select the Þeld. The Þeld blinks (this is edit mode) and a prompt appears at the bottom of the screen:Please Ente

3-14 Encore Multi-port DSU/CSU User GuideÑJuly, 19973Setting the Auxiliary Port and Network Parameters The optional AUX (DS1) port is designed for con

ConÞguration 3-153Table 3-4 NET Parameter Setting DescriptionFraming ESF or D4 DefaultÑESF. Select the Network T1 framing format.Line Code B8ZS or AM

3-16 Encore Multi-port DSU/CSU User GuideÑJuly, 19973Non DACS Non DACS automatically switches to ALTERNATE timing and, if this is not available, to IN

ConÞguration 3-173¥ DATA [n] Select a data port if the DTE device is the clock source. Use the appropriate V.35 or RS-449 DTE cable to conÞgure the DS

3-18 Encore Multi-port DSU/CSU User GuideÑJuly, 19973source is overridden and the alternate source (if available) or INTERNAL is used. When neither th

ConÞguration 3-193ConÞguring the Data Ports Use Menu-5 Data Port ConÞguration to conÞgure the DSU/CSU data ports (DATA01, DATA02, DATA03, etc.).In the

3-20 Encore Multi-port DSU/CSU User GuideÑJuly, 19973Table 3-6 Menu-5 Data Port Parameters Parameter Setting DescriptionCode NORMAL, HDLC, FORCED, DE

ConÞguration 3-213Allocating TimeslotsThe default factory network timeslot allocation for bandwidth is all 24 DS0 timeslots allocated to data port 1.

G Table of Contents vii Chapter 3, ConÞguration 3-1 Required Information 3-1 Keep a Record 3-1 Check the Comm Port Settings 3-2 View and Modify the D

3-22 Encore Multi-port DSU/CSU User GuideÑJuly, 19973¥ AlternateÑYou allocate timeslots in an alternate order, with slots always odd numbered. Every e

ConÞguration 3-233When you switch from Alternate to Contiguous order, all allocated slots in a range change to a contiguous order (Figure 3-4).Figure

3-24 Encore Multi-port DSU/CSU User GuideÑJuly, 19973¥ Enter 2 for port 2 and press Return when prompted by the system.DATA02 IDLE -IDLE appears in Al

ConÞguration 3-253Network Time Slot Map shows slots 1 through 8 allocated to port 1, slots 10 through 20 to port 2 and slots 21 through 24 to AUX.Allo

3-26 Encore Multi-port DSU/CSU User GuideÑJuly, 199733. To allocate the start and end timeslots for port 1:a. Enter 11 and press Return when the syste

ConÞguration 3-273appears in Allocate by Port.Network Time Slot Map shows all even numbered slots blank or idle and all odd numbered slot allocated. A

3-28 Encore Multi-port DSU/CSU User GuideÑJuly, 19973a. Enter 1 for timeslot 1 and press Return when the system prompts for the start timeslot.b. Pres

ConÞguration 3-293Figure 3-5 Menu-0 SNMP ConÞg. in ESF ModeTable 3-10 and Table 3-11 describes the parameters in Figure 3-5 and Figure 3-6.

3-30 Encore Multi-port DSU/CSU User GuideÑJuly, 19973Figure 3-6 Menu-0 SNMP ConÞg. in D4 ModeTable 3-10 SNMP Parameters Parameter Setting Description

ConÞguration 3-313Forward Over FDLEnabled or DisabledDefaultÑDisabled. EnabledÑEnables the SNMP packets destined for the remote DSU/CSU to be automati

G viii Encore Multi-port DSU/CSU User GuideÑJuly, 1997 Allocating Timeslots 3-21 Three Allocation Methods 3-21 Switching from Contiguous to Alternate

3-32 Encore Multi-port DSU/CSU User GuideÑJuly, 19973ConÞguring Alarms, Modems and SecurityTo conÞgure the DSU/CSU to detect and report alarms, you us

ConÞguration 3-333This section describes how to set Menu-7 Alarms I and Menu-8 Alarms II.How Alarms Are ReportedThe DSU/CSU always reports all alarm c

3-34 Encore Multi-port DSU/CSU User GuideÑJuly, 19973How Alarms Reports Are Displayed The DSU/CSU displays alarms on a terminal at the bottom of the s

ConÞguration 3-353Menu-7 Alarm IFigure 3-7 shows Menu-7 and Figure 3-8 on page 3-37 shows Menu-8 alarms with descriptions beneath each section.Figure

3-36 Encore Multi-port DSU/CSU User GuideÑJuly, 19973NET AIS Received AlarmEnabled or Disabled DefaultÑEnabled.NET Yellow Received AlarmEnabled or Dis

ConÞguration 3-373Menu-8 Alarm IIFrom this menu, use an arrow key to select a submenu, and the Return key to enter that submenu.Figure 3-8 Menu-8 Alar

3-38 Encore Multi-port DSU/CSU User GuideÑJuly, 19973Figure 3-9 Menu-8 - External Alarm ConÞgurationTable 3-14 describes the parameters shown in Figur

ConÞguration 3-393Table 3-14 External Alarm ConÞguration ParametersParameter Setting DescriptionExternal Alarm Input IndicationEnabled or Disabled Def

3-40 Encore Multi-port DSU/CSU User GuideÑJuly, 19973Miscellaneous Management ConÞgurationUse Miscellaneous Management ConÞguration to deÞne external

ConÞguration 3-413Table 3-15 Miscellaneous Management ConÞguration Parameters Parameter Setting DescriptionConnection FDL, Modem, DirectDefaultÑDire

G Table of Contents ix Data DTE Status Parameters 4-8 Monitoring Performance 4-9 Events in the Performance Reports 4-10 Carrier Register, Current Int

3-42 Encore Multi-port DSU/CSU User GuideÑJuly, 19973Modem InitializationTo initiate a modem connection, the DSU/CSU sends +++ followed by the Þrst mo

ConÞguration 3-433Solo T1 assumes that the modem always sends response; it is suggested that the modem not be programmed to override the response.Figu

3-44 Encore Multi-port DSU/CSU User GuideÑJuly, 19973

4-14Monitoring and Management4The Multi-port Encore DSU/CSU collects and displays performance data (compliant with the AT&T TR54016 registers set)

4-2 Encore Multi-port DSU/CSU User GuideÑJuly, 19974Monitoring StatusMonitor the status of the Multi-port Encore DSU/CSU from Menu-1 Main Status and t

Monitoring and Management 4-34To clear the counters:1. Press c. 2. Press y to conÞrm after the system prompt (press any other key to take no action.):

4-4 Encore Multi-port DSU/CSU User GuideÑJuly, 19974Network StatusNetwork Status indicates any abnormal conditions present on the received T1 signal.S

Monitoring and Management 4-54AUX DTE StatusAUX DTE Status shows any abnormal conditions present on the received DS1 DTE signal. If the optional AUX p

4-6 Encore Multi-port DSU/CSU User GuideÑJuly, 19974Table 4-5 DATA DTE Status Parameter Setting DescriptionAlarm Input StatusNormal or 20-character u

Monitoring and Management 4-74Menu-2 Data DTE StatusMenu-2 Data DTE Status shows the current status of the local and remote ports.The menu is the same