Verilink PRISM 3021 (34-00262) Product Manual Manual do Utilizador Página 1

iTRANSPORT®34-00262January 1998PRISM 3021E1NTU/DSU

2-2 InstallationPRISM 3021Configuration Switch S1Switch S1 (Figure 2-2) is used to set the configurationparameters listed in the following paragraphs

Installation 2-3PRISM 3021DATA NORMAL OR INVERTEDPosition S1-7 is used to select if data is normal or invertedas shown in Table 2-F.Units at both end

2-4 InstallationPRISM 3021BOOT MODEPosition S3-5 and S3-6 select the boot mode as shown inTable 2 - J.DTE RATE MULTIPLIERPosition S3-7 is used to sel

Installation 2-5PRISM 3021CONFIGURATIONSWITCHS4DTE RATEPositions S4-1 through S4-5 select the DTE rate as shown inTable 2-N. The DTE rate multipliers

2-6 InstallationPRISM 3021source (using TB1, pins 1 and 2). The station timing is con-figured through the terminal interface. Refer toLine Parameters

Installation 2-7PRISM 3021This port is a DCE port configured for 8 bits, no parity, and1 stop bit. The physical connections are 8-pin modular jacks(e

2-8 InstallationPRISM 3021X.21 - To convert the X.21 interface from the DB-25 to aDB-15 connector, use part number 9-1001-098-xxx. Pinoutsfor the DB-

Installation 2-9PRISM 3021and (A) NMS OUT ports. The different connection methodsare described in the following paragraphs.NMS IN AND NMS OUTThe two

2-10 InstallationPRISM 3021Redundant Power Source: The power board allows theconnection of two independent -48 VDC supplies operatedin a redundant mo

Installation 2-11PRISM 3021Unit 1 Unit 2 Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8 Unit 9 Unit 10 Unit 11 Unit 12Rack and19" or 23" Multipl

iiCopyright ©1998 TxPORT. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed,stored in a retrieval system, o

2-12 InstallationPRISM 3021

Operation 3-1PRISM 30213. OperationIntroductionThis chapter describes general operation of the TxPORTPRISM 3021 front panel. The 3021 may be controll

3-2 OperationPRISM 3021Network Indicators9. BV/CR/FE: This LED lights when the unit detectsbipolar violations, cyclic redundancy checking errors,or f

Terminal Operation 4-1PRISM 30214. Terminal OperationTerminal InterfaceThis chapter describes the screens structure and menu con-trols for the TxPORT

4-2 Terminal OperationPRISM 3021MESSAGESDiagnostic messages may be displayed at the bottom of thescreen. These messages include:Session terminated by

Terminal Operation 4-3PRISM 3021Software ConfigurationThe terminal interface is a firmware application programembedded inside the PRISM 3021, that can

4-4 Terminal OperationPRISM 3021Alarms ScreenThe Alarms screen (Figure 4-6) allows viewing the currentalarm status of the network and the DTE lines.N

Terminal Operation 4-5PRISM 3021Performance ScreensThe performance screens display a detailed history of con-tinuously monitored error parameters. The

4-6 Terminal OperationPRISM 3021FEBE EVENTSThis is the actual number of far-end block errors (FEBEs)that the unit has received. This count accumulate

Terminal Operation 4-7PRISM 3021SES (Severely Errored Seconds): This is the number ofone-second periods with 320 or more CRC4 error events orat least

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

4-8 Terminal OperationPRISM 3021Element Maintenance ScreenThe Element Maintenance screen (Figure 4-8) allows per-forming loop tests and/or BERT funct

Terminal Operation 4-9PRISM 3021NET MLB: (Maintenance Loopback): As shown in diagram4 of Figure 4-10 on page 4-11, the NET MLB commandloops data at th

4-10 Terminal OperationPRISM 3021E1-NET AND E1-DTE STATUSThese two fields display the fault status of the network andthe far-end DTE. They indicate c

Terminal Operation 4-11PRISM 3021Network Interface Framer/Deframer Multiplexer Receivers/DriversReceivers/DriversBERT Generator/DetectorEIA-530 or V.3

4-12 Terminal OperationPRISM 3021Configuration ScreenThe Configuration screens allow viewing and setting config-uration parameters for the network el

Terminal Operation 4-13PRISM 3021LINEPARAMETERSThe Line Parameters screen (Figure 4-13) allows reviewingand setting line parameters for the selected e

4-14 Terminal OperationPRISM 3021Remote Comm Channel: This field is used to select anunused idle channel for a communication link to a far-endunit. A

Terminal Operation 4-15PRISM 3021ALARM PARAMETERSThe Alarm Configuration screen (Figure 4-14) allowsreviewing and setting alarm-related thresholds for

4-16 Terminal OperationPRISM 3021PORT CONFIGURATIONThe Port Configuration screen (Figure 4-15) sets the operat-ing parameters for the high-speed port

Terminal Operation 4-17PRISM 3021Port Rate: Pressing the spacebar increases the requiredport bit rate in increments of 56 or 64 kbps, depending onthe

ivalarm status . . . . . . . . . . . . . . . . . . . . . . . . .4-4Reset Alarm Registers . . . . . . . . . . . . . . . .4-4Performance Screens . .

4-18 Terminal OperationPRISM 3021MANAGEMENT PORTSThe Management Ports screen (Figure 4-16) sets the fol-lowing parameters for the Call On Alarm (COA)

Terminal Operation 4-19PRISM 3021Initialization String: The modem initialization string isentered in this field. Refer to the modem’s documentationfor

4-20 Terminal OperationPRISM 3021UtilitiesThe Utilities screen (Figure 4-18) handles the functionsdescribed in the following paragraphs. SET TIMEThe

Terminal Operation 4-21PRISM 3021MAINTENANCE RESETThis field clears all user-selectable parameters, performanceregisters, passwords, and alarms. All a

4-22 Terminal OperationPRISM 3021

Flash PROM Download A-1PRISM 3021A.Flash PROM Download ProcedureThis appendix is a step-by-step procedure for downloadingthe Flash PROM software for

A-2 Flash PROM Download PRISM 3021formed a look-up for existing applicable hex files in thelocal directory. If a file is found, it is displayed in th

TRANSPORT®34-00262-A1.01AddendumDocument:Date:ChangesPage 1-4, Table 1-B, Optional Equipment, section E1-DTECables and Adapters: Part number 9-1001-09

General 1-1PRISM 30211. GeneralIntroductionThe TxPORT PRISM 3021 is a modular, single port, frac-tional E1 NTU/DSU. The PRISM 3021 provides all thest

1-2 GeneralPRISM 3021Terminal Operation - Describes the terminal interface setupand the menu-based screens which appear during a local orremote sessio

General 1-3PRISM 3021WARNING: Changes or modifications to thisunit not expressly approved by the party responsi-ble for compliance could void the use

1-4 GeneralPRISM 3021The equipment options shown in Table 1-B may be requiredfor the installation and operation of the 3021.TxPORT Customer Service Tx

Installation 2-1PRISM 30212. InstallationThis chapter contains information and instructions requiredto prepare the TxPORT PRISM 3021 for use. This ch