Verilink 2048 (34-00179) Product Manual Manual do Utilizador

TRANSPORT®Introduction2048PMU/NTUReference Manual34-001792nd Edition

Installation 2-32048 PMU/NTU located on the bottom of the PC board (refer to the bottomcircuit board view in Figure 2-1). The output level is factory

2-4 Installation 2048 PMU/NTUAlive (KA) option. The PMU expects the framing format tobe the same on the equipment and network sides. Network Line Cod

Installation 2-52048 PMU/NTU 2.6 Equipment ConnectionThe equipment physical interface for both the stand-aloneunit and the chassis mounted unit is a s

2-6 Installation 2048 PMU/NTUNote that the unit’s call on alarm (COA) feature worksthrough the ‘SUPV’ port only. The supervisory port bit rate must b

Installation 2-72048 PMU/NTU This port is a serial RS232 DCE port configured for 8 bits,no parity, and 1 stop bit. 2.8.3 User Port The USER port (labe

2-8 Installation 2048 PMU/NTUthe chassis without rewiring the communications bus. Com-munications are restored by shorting contacts on the back-plane

Installation 2-92048 PMU/NTU Rack and19" or 23" MultipleLine Chassis Mounting HardwareUnit 1 Unit 2 Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit

2-10 Installation 2048 PMU/NTUFigure 2-7 Model 1051-2 Chassis, Rear View

Installation 2-112048 PMU/NTU Connect a ground lead (18- to 20-gauge) to the terminalmarked ‘Frame Ground’ on TB2, pin 2. Connect the otherend of this

Operation 3-12048 PMU/NTU BV/CR/FELOCFARACO SWACOLOS/LOFAISREM ALMLOC ALMNETDTETSTLLBPLBTSTERR5179068234FRMNETMONTODTETONETMONFRMDTEOperation3.0 Intro

GeneralIntroduction ... 1-1Design Highlights ...

3-2 Operation 2048 PMU/NTU7) AIS: This red ‘alarm indication signal’ lights if theselected AIS condition is detected from the network orequipment. Re

Terminal Operation 4-12048 PMU/NTU Terminal Operation4.0 Introduction This chapter describes the screens and menus associatedwith the TxPORT 2048 PMU

4-2 Terminal Operation 2048 PMU/NTUUnit Address: Below the unit header (2048 PMU), the cur-rent unit address is displayed along with any informatione

Terminal Operation 4-32048 PMU/NTU ing a letter key while holding down the <Ctrl> key. Alter-nate commands may be freely mixed with the keyboard

4-4 Terminal Operation 2048 PMU/NTUThe menu structure (Figure 4-2) shows all the screensaccessible from the ‘Main Menu’. Figure 4-2 Menu Structure4.3

Terminal Operation 4-52048 PMU/NTU NOTE: The parameters shown on the Alarms Screenare updated at five second intervals. Power Loss Seconds: This field

4-6 Terminal Operation 2048 PMU/NTU[USER] [DTE] – Display the Near or Far PMU user per-formance registers for the DTE.[TELCO] [NET] – Display the Nea

Terminal Operation 4-72048 PMU/NTU LOFC: The loss of frame count parameter represents acount of ‘Carrier Failure’ condition declarations, accordingto

4-8 Terminal Operation 2048 PMU/NTU4.5.1 Test LoopsLoop status changes can be made only when the BERTfunction is not in the active mode. The PMU reco

Terminal Operation 4-92048 PMU/NTU 4.6 Configuration ScreensThe two ‘Configuration’ screens allow the user to view andset the configuration parameters

Copyright / LiabilityCopyright © 1995 TxPORT, All rights reserved. No part of this publication may be reproduced, trans-mitted, transcribed, stored in

4-10 Terminal Operation 2048 PMU/NTUNOTE: Repeat the above steps for the opposite circuitend and ensure that all settings match at each end.Go to Ala

Terminal Operation 4-112048 PMU/NTU 4.7.1 General Functions Set Time: The current time may be entered in this fieldusing the 24-hour HH:MM:SS format.

4-12 Terminal Operation 2048 PMU/NTU‘AT’ modem command set. They should NOT include the‘ATDT’ dial command prefix. The unit attempts 3 times to conne

IndexAAddress Selection 2-4AIS/Keep Alive 2-4Alarm Configuration Screen 4-10Alarm Controls and Indicators 3-1Alarm Notification 4-11Alarm Paramet

General 1-12048 PMU/NTU General1.0 IntroductionThe TxPORT International 2048 PMU/NTU (PerformanceMonitoring Unit/Network Terminating Unit) is an advan

1-2 General 2048 PMU/NTU1.1 Design Highlights• End-to-end user control and access to extensive unit performance dataunit configurationunit status (no

General 1-32048 PMU/NTU Protocol: TxPORT COMVIEW (proprietary) ASCII VT100 Connection: All ports, 4-pin modularAlarmsContacts: Normally Open or Normal

1-4 General 2048 PMU/NTUrial Authorization number or to arrange service, please havethe following information available:• Model number(s) and serial

Installation 2-12048 PMU/NTU Installation2.0 IntroductionThis section contains information and instructions requiredto prepare the 2048 PMU for use. I

2-2 Installation 2048 PMU/NTU-15 -7.5 0The stand-alone unit may be used in a chassis installationwith the following modifications: Remove the housing