Verilink NCC 2020 (880-503284-001) Product Manual Manuel d'utilisateur

Verilink NCC 2020 User ManualSeptember 1999P/N 880-503284-001-A1

Overview1-2 Verilink NCC 2020 User Manual•Verilink proprietary management program Access Manager 2000, which operates only under Windows™ 3.1.•Verilin

OverviewVerilink NCC 2020 User Manual1-3ComponentsThe complete NCC 2020 assembly consists of a front-panel module and a rear panel connector interface

Overview1-4 Verilink NCC 2020 User ManualThumbwheel SwitchesThe thumbwheel switches on the front of the NCC 2020 module are provided as a measure of l

OverviewVerilink NCC 2020 User Manual1-5Port UsageTable 1-3 lists the connectors on both front and rear modules with details about their uses:Table 1-

Overview1-6 Verilink NCC 2020 User Manual

Verilink NCC 2020 User Manual2-1Chapter2Quick Set-UpThis section details a quick, step-by-step procedure for configuring the NCC 2020. For this quick

Quick Set-Up2-2 Verilink NCC 2020 User ManualLoginPress ENTER.The prompt YOUR PASSWORD? YOUR PASSWORD? YOUR PASSWORD? YOUR PASSWORD? is displayed.Init

Quick Set-UpVerilink NCC 2020 User Manual2-3Figure 2-3 NCC 2020 Configuration Menu The factory default values for the NCC 2020 are shown. The unit

Quick Set-Up2-4 Verilink NCC 2020 User Manual4. For this example, a Network Service Provider (NSP—the phone company) is providing a timing signal with

Quick Set-UpVerilink NCC 2020 User Manual2-5The error message, in this case, means that the DIU 2130 is new and has never been assigned to any CSU mod

iiVerilink NCC 2020 User ManualCopyright NoticeCopyright  1999 Verilink Corporation. All rights reserved.This document does not create any express or

Quick Set-Up2-6 Verilink NCC 2020 User Manualinstead of typing “p” use a port number (1 or 2). For this example timeslots 1 through 12 are to be used

Quick Set-UpVerilink NCC 2020 User Manual2-7The remaining options are correct for this example. The T1 circuit and DTE should now be connected.Once th

Quick Set-Up2-8 Verilink NCC 2020 User Manual

Verilink NCC 2020 User Manual3-1Chapter3ConfigurationThis chapter covers using the Craft interface to configure the CSU portion of the NCC 2020 Node C

Configuration3-2 Verilink NCC 2020 User ManualYour computer may have a DB-9 connector, requiring a second cable or adapter to complete the connection.

ConfigurationVerilink NCC 2020 User Manual3-3Table 3-3 NCC 2020 Main Menu CommandsThe Configuration MenuIn the Main Menu shown in Figure 3-1, the elem

Configuration3-4 Verilink NCC 2020 User ManualUse the command “C”, which brings up the Configuration Menu for the element.Figure 3-2 CSU Configuration

ConfigurationVerilink NCC 2020 User Manual3-5Table 3-4 CSU Configuration OptionsMenu Option Description InstructionsW) framing Selects T1 framing mode

Configuration3-6 Verilink NCC 2020 User ManualM) distance Cable length option, used to increase DSX-1 signal strength when DSX-1 cable is long. Choice

ConfigurationVerilink NCC 2020 User Manual3-7C1-C5) canned configAllows selection of any of five complete configurations which all use CSU mode (no DI

Verilink NCC 2020 User Manualiii • If the telephone company alters its equipment in a manner that can affect the use of this device, it must give you

Configuration3-8 Verilink NCC 2020 User ManualModeThe CSU portion of an NCC 2020, a TAC 2010 CSU, has three distinctly different modes of operation. T

ConfigurationVerilink NCC 2020 User Manual3-9Drop and InsertModeDrop and Insert mode combines the features of CSU mode and Mux mode. The DSX-1 equipme

Configuration3-10 Verilink NCC 2020 User ManualFigure 3-4 Node Administration Menu Node Administration CommandsTable 3-5 lists the commands availabl

ConfigurationVerilink NCC 2020 User Manual3-11Management Channel MenuWhen M is selected on the NCC 2020 Node Administration Menu, the Management Chann

Configuration3-12 Verilink NCC 2020 User ManualManagementChannel OptionsThe Management Channel Menu is used to configure the DB-9 Management Port In i

ConfigurationVerilink NCC 2020 User Manual3-13The options on the Management Channel Menu are documented in Table 3-6 below.Table 3-6 Management Channe

Configuration3-14 Verilink NCC 2020 User ManualFirmware Upgrade ProceduresFirmware upgrades to an NCC 2020 may be done in two ways:•Replacing the sock

ConfigurationVerilink NCC 2020 User Manual3-15For details on using Node Manager to upgrade an NCC 2020 or the other modules it controls, refer to the

Configuration3-16 Verilink NCC 2020 User ManualTable 3-7 Thumbwheel Switch CommandsCode Applies to Description01 to 30 Any of first 30 modulesSelects

ConfigurationVerilink NCC 2020 User Manual3-1753 NCC 2020 TAC 2010Selects DSX-1 Equipment cable length of 399-532 ft.54 NCC 2020 TAC 2010Selects DSX-1

ivVerilink NCC 2020 User ManualDeutschVORSICHT!Explosionsgefahr bei unsachgemäßem Ersetzen der Batterie! Batterie gleichen Typs und gleicher Qualität

Configuration3-18 Verilink NCC 2020 User Manual81 TAC 2130 DIU 2130Canned configuration #1, assigns all 24 timeslots to data port #1.82 TAC 2130 DIU 2

Verilink NCC 2020 User Manual4-1Chapter4Performance MonitoringOnce the NCC 2020 is installed, the performance monitoring routines allow you to monitor

Performance Monitoring4-2 Verilink NCC 2020 User ManualDefinitionsThe acronyms shown on the Performance Monitoring Menu are described in Table 4-1 be

Performance MonitoringVerilink NCC 2020 User Manual4-324-hour Errored SecondsThe 24-hour Errored Seconds selection on the Performance Monitoring Menu

Performance Monitoring4-4 Verilink NCC 2020 User Manual24-Hour Bursty Errored SecondsBursty Errored Seconds are more severe than errored seconds and m

Performance MonitoringVerilink NCC 2020 User Manual4-524-Hour Severely Errored SecondsSeverely Errored Seconds pose a serious threat to the integrity

Performance Monitoring4-6 Verilink NCC 2020 User Manual24-Hour Unavailable SecondsAfter ten Severely Errored Seconds in a row, the CSU begins to count

Performance MonitoringVerilink NCC 2020 User Manual4-724-Hour Loss of Frame CountA loss of frame synchronization on a T1 circuit causes a loss of all

Performance Monitoring4-8 Verilink NCC 2020 User Manual

Verilink NCC 2020 User Manual5-1Chapter5DiagnosticsWhile installing your NCC 2020, or after it has been placed into service, the Diagnostic routines a

Verilink NCC 2020 User Manualv • This product should be operated only from the type of power source indicated on the marking label and manual. If you

Diagnostics5-2 Verilink NCC 2020 User ManualDiagnostics MenuA sample of the Diagnostics Menu is shown below in Figure 5-1.In this example, the word PU

DiagnosticsVerilink NCC 2020 User Manual5-3Figure 5-2 Diagnostics Menu Status MessagesThe status messages which may appear on the Diagnostics Menu a

Diagnostics5-4 Verilink NCC 2020 User ManualDiagnostic CommandsThere are seventeen command options available on the NCC 2020 diagnostics menu. Table

DiagnosticsVerilink NCC 2020 User Manual5-53) 1 in 8 Starts 1 in 8 test. CSU transmits a 1-in-8 pattern, which guarantees one bit of every 8 will be a

Diagnostics5-6 Verilink NCC 2020 User ManualFront Panel LEDsThis section describes the function of the NCC 2020 LED indicators.EQPT LEDThe EQPT (equip

DiagnosticsVerilink NCC 2020 User Manual5-7STAT LEDThe STAT (CSU status) LED is a tri-color indicator with six states, as follows: Table 5-4 Stat LE

Diagnostics5-8 Verilink NCC 2020 User ManualTest ProceduresTesting may generally be divided into two categories, tests which are conducted to verify a

DiagnosticsVerilink NCC 2020 User Manual5-9Figure 5-4 Sending and Receiving PatternIf the QRSS pattern is received with no errors, the Test Error Coun

Diagnostics5-10 Verilink NCC 2020 User ManualTroubleshootingWhen it is known that a problem exists in a T1 network application, a different approach i

DiagnosticsVerilink NCC 2020 User Manual5-11Table 5-6 Troubleshooting TipsTrouble SuggestionSignal loss — verify that a T1 circuit is connected to the

viVerilink NCC 2020 User Manual

Diagnostics5-12 Verilink NCC 2020 User ManualLoopback PlugFor a completely reliable test of a CSU, make a T1 loopback plug and plug it in to the netwo

DiagnosticsVerilink NCC 2020 User Manual5-13With a loopback plug in the network port, any customer equipment connected to the NCC 2020 (or a data port

Diagnostics5-14 Verilink NCC 2020 User Manual

IndexVerilink NCC 2020 User Manual Index-1Numerics1 in 8 test 5-51.544 MHz clock 3-724 Hour Bursty Errored Seconds 4-424 hour Errored Seconds 4-324 H

Index-2 Verilink NCC 2020 User Manual Kkeep alive 3-6LlbO 3-6least serious 4-3LEDblinks amber to red 5-10EQPT LED 5-6NET LED 5-7STAT LED 5-7Line build

VERILINK CORPORATION127 JETPLEX CIRCLE, MADISON, ALABAMA 35758TEL: (800) 837-4546September 1999P/N 880-503284-001-A1

Table of ContentsVerilink NCC 2020 User Manual vOverview ...

vi Verilink NCC 2020 User Manual Diagnostics .......

Verilink NCC 2020 User Manual1-1Chapter1OverviewThis user manual describes the NCC 2020 Node Controller module, a component of Verilink’s Access Syste