Verilink 2000 (34-00182) Product Manual Instrukcja Użytkownika

iTRANSPORT®34-001826th EditionPRISM 2000T1ESF CSU

1-6 GENERALThe remedies listed herein are the users sole and exclusive remedies. TxPORT shall not be liable for any indirect, direct, incidental or co

TxPORT Customer Service 1-7The accessories shown in Table 1-2 may also be needed for the installation and operation of the 2000 CSU. TxPORTCusto

1-8 GENERALTechnical SupportTechnical support is available 24 hours a day, seven days a week. You may contact a support representative by telephone or

2INSTALLATIONIntroductionThis chapter contains information and instructions required to prepare the TxPORT 2000 CSU for use. Included are initial insp

2-2 INSTALLATION✦ Network and DTE interface cables ✦ Bantam test cables ✦ Supervisory port cable (stand-alone unit) ✦ 20-gauge stranded wire (or simil

Unit Configuration 2-3ChassisAssemblyUp to 12 units may be inserted into a chassis and the chassis may be installed in a 19-inch or 23-inch rac

2-4 INSTALLATIONConfigurationSwitch S3Switch S3 (Figure 2-2) is used to set the configuration parameters listed in the following paragraphs. Refer to

Unit Configuration 2-5CSU Timing SourceIn the normal mode of operation, CSUs clock out transmit data toward the network using the timing derive

2-6 INSTALLATIONPower-up ModePositions S4-3 and S4-4 are used to set the power-up configuration mode of the 2000 CSU as shown in Table 2-4. Boot from

Unit Configuration 2-7Supervisory Port Bit RatePositions S4-5 and S4-6 are used to set the supervisory port bit rate. This is a serial RS-232 D

iiCopyright ©1997 TxPORT. All rights reserved. No part of this publication may be reproduced,transmitted, transcribed, stored in a retrieval system, o

2-8 INSTALLATIONDTE Line FramingPosition S5-2 is used to match the CSU to the framing of the DTE line. The DTE and network line framing do not have to

Unit Configuration 2-9ConfigurationSwitch S6Switch S6 (Figure 2-5) is used to set the three configuration parameters listed in the following pa

2-10 INSTALLATIONDTEConnectionThe equipment side DTE interface of the CSU is a DSX interface. The DTE line build out (LBO) level should be set as inst

Network Management 2-11Network DisconnectionIn accordance with FCC Part 68.218(b), notify the telephone company before disconnecting the CSU.Net

2-12 INSTALLATIONThe supervisory port bit rate must be set as described in Supervisory Port Bit Rate on page 2-7 (Switch S4-5 and S4-6). The physical

Network Management 2-13All units on the same NMS chain must use the same NMS bit rate whether in a chassis or stand-alone housing. NMS IN OnlyTh

2-14 INSTALLATIONChassisNetworkManagementThe operation of the EM8000 and the 8100A unit in the 12-slot chassis is similar to the stand-alone operation

Power Connection 2-15beeping from the unit draws attention that T1 service is compromised. This alarm is enabled by Switch S4-2 (refer to Audib

2-16 INSTALLATIONChassisAssemblyWhen operating the 2000 CSU in the 12-slot chassis, all units are powered by -48 VDC sources which are connected to th

Power Connection 2-17Rack and19" or 23" MultipleLine Chassis Mounting HardwareUnit 1 Unit 2 Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8

iiiTable of Contents1 GeneralIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1Features . . . . . . . . . . . . . . . .

2-18 INSTALLATION

3OPERATIONIntroductionThis chapter contains the general operation instructions for the TxPORT 2000 front panel. The unit is operated either manually o

3-2 OPERATIONAlarm Controlsand Indicators3 ACO: This yellow LED lights whenever the alarm cut off switch is placed in the left ON position. It indicat

Front Panel Testing 3-313TST: This LED lights continuously during a Far or a Local test. It flashes while loopback codes are transmitted at the

3-4 OPERATIONSupervisoryPortThis 6-pin modular RS-232 supervisory jack provides direct terminal access for controlling the CSU and gathering status an

4TERMINALOPERATIONIntroduction This chapter describes the screens and menus associated with the TxPORT 2000 CSU Terminal Interface, which is a firmwar

4-2 TERMINAL OPERATIONModemCompatibilityThe 2000 CSU Terminal Interface supports use of an AT command-set-compatible modem on either or both of the NM

System Description 4-3Menu TitleThe third line displays the general classification of functions currently accessible by the user (such as Alarms

4-4 TERMINAL OPERATIONThe Main Menu screen (Figure 4-3) is displayed if no password has been specified in the Utilities menu. Refer to New Password on

System Description 4-5may be freely mixed with the keyboard commands at the user’s discretion. The alternate command keys are listed in Table 4-

ivMenu Title . . . . . . . . . . . . . . . . . . . . . . . . . 4-3Messages . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3NMS ALARM . . . .

4-6 TERMINAL OPERATIONMain MenuScreen The Main Menu screen (Figure 4-3) lists the user-accessible functional menus. To activate any menu, highlight th

Alarms Screen 4-7AlarmsScreen The Alarms screen (Figure 4-5) is used to view the current alarm status of the network and DTE lines. The fields

4-8 TERMINAL OPERATIONto or greater than its non-zero threshold generates an alarm. Any parameter with a threshold value of 0 is disabled from generat

Performance Screens 4-9Element Pressing the spacebar toggles this field for selection of either the NEAR or FAR unit as the source of performan

4-10 TERMINAL OPERATIONCompleted DaysThis field displays the number of days which are included in the 30-day totals.Completed IntervalsThis field disp

Maintenance Screen 4-11MaintenanceScreen The Maintenance screen (Figure 4-7) allows performing test and maintenance functions on the T1 circuit

4-12 TERMINAL OPERATIONT1 LoopThis field is used to select the test loops to be initiated. The type of loop is chosen by toggling the spacebar and is

Maintenance Screen 4-13NET PLB. The NET PLB loop (Figure 4-11) returns network RXD to TXD with new framing, CRC, and FDL bits. Toward the DTE

4-14 TERMINAL OPERATIONPattern SyncThis field displays the current state of pattern sync during a test. If no test is in progress, NO TEST is displaye

Configuration Screens 4-15ConfigurationScreens The two Configuration screens allow viewing and setting the configuration parameters for the net

1GENERALIntroductionThe TxPORT 2000 CSU (Channel Service Unit) is an advanced performance monitoring unit providing an intelligent interface between c

4-16 TERMINAL OPERATIONAIS. Transmit unframed all ones toward the NET. ONES. Transmit framed all ones toward the NET. LOOP. Activate a payload loop

Configuration Screens 4-17(D4 to ESF and ESF to D4). Older D4 equipment can be supported with newer ESF spans. ESF framing allows the user and

4-18 TERMINAL OPERATIONAudible AlarmThis field Enables and Disables the CSU’s internal buzzer which alerts users of an alarm condition. AlarmConfigura

Utilities Screen 4-19Unavailable SecondsA one-second period in which consecutive severely errored seconds cause an unavailable state. DTE LOS/L

4-20 TERMINAL OPERATIONGeneral FunctionsSet TimeThe current time may be entered in this field using the 24-hour HH:MM:SS format. For example, 3:45 a.m

Utilities Screen 4-21COAParametersThe following fields pertain to the call on alarm (COA) parameters. Alarm NotificationThis field controls rem

4-22

Affidavit for the Connection of Customer Premises Equipment to 1.544 Mbps and/or Subrate Digital ServicesFor work to be performed in the certified ter

I attest that the operator(s) maintainer(s) of the digital CPE responsible for the establishment,maintenance and adjustment of the encoded analog cont

1-2 GENERALFeatures✦ Stand-alone or nest mounting✦ D4-to-D4, D4-to-ESF, ESF-to-D4, or ESF-to-ESF framing✦ AMI or B8ZS line coding or AMI to B8ZS conve

Specifications 1-3Output Signal: Selectable DSX1 level from 0 to 655 feet in six incremental levels Line Protection: 1000 V lightning, fused inp

1-4 GENERALEnvironmentalOperating Temp: 0° to 50°C(32° to 122°F)Storage Temp: -20° to 85°C(-4° to 185°F)Humidity: 95% max (non-condensing)Compatibilit

Canadian Emissions Requirements 1-52Before connecting your unit, you must inform the local telephone company of the following information: Port