Cabletron Systems BRIM-A6 manuale d’uso

BRIM-A6 USER’ S GUIDE book Page 1 Thursday, April 18, 1996 2:18 PM[...]

BRIM-A6 User’ s Guide i NOTICE Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Cabletron Systems to determine whether any such changes ha ve been made. The hardware, firmware, or software described in this manual [...]

Notice ii BRIM-A6 User’ s Guide FCC NOTICE This device complies with P art 15 of the FCC rules. Operation is subject to the following tw o conditions: (1) this device may not cause harmful interference, and (2) this de vice must accept any interference receiv ed, including interference that may cause undesired operation. NOTE: This equipment has [...]

Notice BRIM-A6 User’ s Guide iii CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT IMPORTANT: Before utilizing this product, carefully read this License Agreement. This document is an agreement between you, the end user , and Cabletron Systems, Inc. (“Cabletron”) that sets forth your rights and obligations with respect to the Cabletron softwa[...]

Notice iv BRIM-A6 User’ s Guide UNITED STATES GOVERNMENT RESTRICTED RIGHTS The enclosed product (a) was de veloped solely at pri vate expense; (b) contains “restricted computer software” submitted with restricted rights in accordance with Section 52227-19 (a) through (d) of the Commercial Computer Software - Restricted Rights Clause and its s[...]

Notice BRIM-A6 User’ s Guide v DECLARATION OF CONFORMITY Application of Council Directiv e(s): 89/336/EEC 73/23/EEC Manufacturer’ s Name: Cabletron Systems, Inc. Manufacturer’ s Address: 35 Industrial Way PO Box 5005 Rochester, NH 03867 European Representativ e Name: Mr. J. Solari European Representativ e Address: Cabletron Systems Limited Ne[...]

BRIM-A6 User’ s Guide vii CONTENTS CHAPTER 1 INTRODUCTION 1.1 Using This Manual ....................................................................... 1-1 1.2 Document Conventions ............................................................... 1-2 1.3 BRIM-A6 Overview ...................................................................... 1-3 1.4[...]

Contents viii BRIM-A6 User’ s Guide APPENDIX A APIM SPECIFICATIONS A.1 APIM-11 Specifications ............................................................... A-1 A.2 APIM-21 Specifications ............................................................... A-1 A.3 APIM-22 Specifications ............................................................... [...]

BRIM-A6 User’ s Guide P age 1-1 CHAPTER 1 INTR ODUCTION W elcome to the Cabletron Systems BRIM-A6 User’s Guide . This manual provides the follo wing information: • Describes BRIM-A6 features • Explains ho w to install the BRIM-A6 in a Cabletron Systems Media Interface Module (MIM) or standalone hub • Outlines specifications for the Cable[...]

Chapter 1: Introduction P age 1-2 BRIM-A6 User’ s Guide Appendix A, APIM Specifications , describes specifications and features for each of the APIMs av ailable for the BRIM-A6. Appendix B, A TM Overview , provides a basic o verview of A TM technology . 1.2 DOCUMENT CON VENTIONS The follo wing con ventions are used throughout this document: NO T[...]

BRIM-A6 Overview BRIM-A6 User’ s Guide P age 1-3 1.3 BRIM-A6 OVER VIEW The BRIM-A6 extends the functionality of your MIM or standalone hub to include remote bridging/routing capability . It allows remote connecti vity using A TM technology . The BRIM-A6 is equipped with one slot that supports a Cabletron Systems APIM for A TM connectivity . Cable[...]

Chapter 1: Introduction P age 1-4 BRIM-A6 User’ s Guide 1.5 BRIM-A6 SPECIFICATIONS This section describes en vironment specifications and safety requirements for the BRIM-A6. Cabletron Systems reserves the right to change these specifications at any time without notice. En vironment Operating T emperature: 5 ° C to 40 ° C (41 ° F to 104 ° F[...]

Getting Help BRIM-A6 User’ s Guide P age 1-5 1.7 GETTING HELP If you need additional support related to the BRIM-A6, or if you hav e any questions, comments, or suggestions concerning this manual, contact Cabletron Systems T echnical Support: By phone (603) 332-9400 Monday-Friday; 8 A . M . – 8 P . M . Eastern T ime By CompuServe GO CTR ON from[...]

BRIM-A6 User’ s Guide P age 2-1 CHAPTER 2 INSTALLATION This chapter contains instructions for unpacking the BRIM, installing APIMs, and installing the BRIM into Cabletron Systems de vices that support BRIM technology . T o install the BRIM and APIMs, you need the following tools: • 1 disposable grounding wrist strap (provided with an y MIM or h[...]

Chapter 2: Installation P age 2-2 BRIM-A6 User’ s Guide 2.2 INSTALLING APIMS T o install an APIM into the BRIM-A6: 1. Attach the disposable grounding strap to your wrist (refer to the instructions on the disposable grounding strap package). 2. Remove the two faceplate screws from the BRIM. See Figure 2-1. 3. Remove the three screws from the BRIM [...]

Installing BRIMs BRIM-A6 User’ s Guide P age 2-3 2.3 INSTALLING BRIMS Y ou can install a BRIM in any Cabletron Systems de vice that supports BRIM technology (e.g., EMM-E6, MicroMMA C). Refer to the release notes for the version of firmw are running on the Cabletron Systems de vice to ensure that the BRIM-A6 is supported. The follo wing subsectio[...]

Chapter 2: Installation P age 2-4 BRIM-A6 User’ s Guide Figure 2-2 Removing the BRIM Co verplate Figure 2-3 Installing the BRIM BRIM COVERPLA TE ST ANDOFF ST ANDOFF SCREW F ACEPLA TE MOUNTING SCREW 142902 APIM LNK STS PWR XMT RCV STS BRIM-A6 ST ANDOFF SCREW ST ANDOFF BRIM CONNECTOR F ACEPLA TE MOUNTING SCREW 131102 book Page 4 Thursday, April 18,[...]

Installing BRIMs BRIM-A6 User’ s Guide P age 2-5 8. Place the BRIM behind the MIM faceplate. See Figure 2-3. 9. Insert the connector pins of the BRIM-A6 into the BRIM connector on the MIM. 10. Press down firmly on the back of the BRIM until the pins slide all the way into the connector holes. 11. Reinstall the mounting screws and the standoff scr[...]

Chapter 2: Installation P age 2-6 BRIM-A6 User’ s Guide 5. Remove the faceplate mounting screws and the BRIM coverplate. See Figure 2-2. 6. Remove the standoff screws. See Figure 2-2. 7. Place the BRIM behind the hub faceplate. See Figure 2-3. 8. Insert the connector pins of the BRIM-A6 into the BRIM connector on the hub. 9. Press down firmly on [...]

BRIM-A6 User’ s Guide P age 3-1 CHAPTER 3 LOCAL MANAGEMENT This chapter explains ho w to configure Permanent V irtual Connections (PVCs) using one of the follo wing local management applications: • Cabletron Systems Local Interface Management (LIM) • Cabletron Systems Local Management (LM) Complete the follo wing instructions before configu[...]

Chapter 3: Local Management P age 3-2 BRIM-A6 User’ s Guide 3.1 LOCAL MANAGEMENT KEYBOAR D CON VENTIONS All ke y names appear in this manual as capital letters. For e xample, the Enter ke y appears as ENTER and the Backspace K ey appears as B A CKSP A CE. T able 3-1 explains the keyboard con ventions used in this manual as well as the ke y functi[...]

Using LIM to create PVCs BRIM-A6 User’ s Guide P age 3-3 3.2 USING LIM TO CREATE PVCs LIM consists of the A TM Connection T ables screen. This screen displays both Permanent V irtual Connections (PVCs) and Switched V irtual Connections (SVCs). SVCs are dynamic connections that are created and deleted as required by applications, equipment, and A [...]

Chapter 3: Local Management P age 3-4 BRIM-A6 User’ s Guide 3.2.1 A TM Connection T ables Screen Fields The follo wing list explains each of the A TM Connection T ables screen fields. T otal Channels This field displays the number of acti ve PVCs and SVCs connected to the BRIM-A6. Edit Static Entry The Edit Static Entry section consists of the [...]

Using LIM to create PVCs BRIM-A6 User’ s Guide P age 3-5 3.2.2 A TM Connection T ables Screen Commands The follo wing commands appear at the bottom of the A TM Connection T ables screen commands: Save This command lets you sav e all changes to the Connection T ables screen. Clear VCCs The Clear V irtual Channel Connection (VCC) command lets you c[...]

Chapter 3: Local Management P age 3-6 BRIM-A6 User’ s Guide 3.2.4 Adding PVCs to the Connection T ables Screen T o add PVCs to the Connection T ables screen, perform the follo wing steps: 1. Use the arrow keys to highlight the Mode field. 2. Press ENTER to select ADD . 3. Use the arrow keys to highlight the VPI field. 4. Enter the VPI number you [...]

Using LM to Create PVCs BRIM-A6 User’ s Guide P age 3-7 3.3 USING LM TO CREATE PVCS LM for the BRIM-A6 provides screens that let you add, delete or modify PVCs. This screen displays both Permanent V irtual Connections (PVCs) and Switched V irtual Connections (SVCs). SVCs are dynamic connections that are created and deleted as required by applicat[...]

Chapter 3: Local Management P age 3-8 BRIM-A6 User’ s Guide 3.3.1 BRIM-A6 Setup Screen Fields The BRIM-A6 Setup screen displays settings for each PVC and SVC that is configured to the BRIM. The follo wing list explains each of the BRIM-A6 Setup screen fields: A TM Port T otal Current Connections: X This field displays ho w many connections (PV[...]

Using LM to Create PVCs BRIM-A6 User’ s Guide P age 3-9 3.3.2 BRIM-A6 Setup Screen Commands Commands appear at the bottom of the BRIM-A6 Setup screen. The follo wing list explains each of the BRIM-A6 Setup screen commands: Previous This command lets you scroll to the pre vious screen (if the BRIM-A6 Setup screen has ov er five connections, it au[...]

Chapter 3: Local Management P age 3-10 BRIM-A6 User’ s Guide 3.3.3 Using BRIM-A6 Setup Screen Commands T o select BRIM-A6 Setup screen commands, perform the follo wing steps: 1. Use the arrow keys to highlight a BRIM-A6 Setup screen command. 2. Press ENTER, LM executes the selected command. 3.3.4 Accessing the BRIM-A6 Add/Delete Entry Screen T o [...]

Using LM to Create PVCs BRIM-A6 User’ s Guide P age 3-11 3.3.5 BRIM-A6 Add/Delete Entry Screen Fields The BRIM-A6 Add/Delete Entry screen lets you add, delete, or modify PVCs. This screen does not let you clear SVCs from the Connection T able screen. The following list explains each of the BRIM-A6 Add/Delete Entry screen fields: VPI Use this fie[...]

Chapter 3: Local Management P age 3-12 BRIM-A6 User’ s Guide 3.3.6 BRIM-A6 Add/Delete Entry Screen Commands The follo wing commands appear at the bottom of the BRIM-A6 Add/Delete Entry screen: Add/Modify This command lets you add or modify PVCs to the BRIM-A6 Add/Delete Entry screen. Delete This command lets you delete PVCs from the BRIM-A6 Add/D[...]

Using LM to Create PVCs BRIM-A6 User’ s Guide P age 3-13 3.3.8 Modifying a PVC T o modify an existing PVC, perform the follo wing steps: 1. Use the arrow keys to highlight the VPI field and enter the VPI value you want to change. 2. Use the arrow keys to highlight the VCI field and enter the VCI value you want to change. 3. Use the arrow keys to [...]

Chapter 3: Local Management P age 3-14 BRIM-A6 User’ s Guide 3.3.9 Deleting a PVC T o delete a PVC, perform the follo wing steps: 1. Use the arrow keys to highlight the VPI field and enter the VPI of the PVC you want to delete. 2. Use the arrow keys to highlight the VCI field and enter the VCI of the PVC you want to delete. 3. Use the arrow keys [...]

BRIM-A6 User’ s Guide P age 4-1 CHAPTER 4 LANVIEW LEDs This chapter describes ho w to use LANVIEW LEDs to monitor BRIM status and diagnose BRIM problems. Figure 4-1 sho ws the location of each of the BRIM-A6 LEDs as well as the APIM LEDs. Figure 4-1 The BRIM-A6 4.1 BRIM-A6 LEDs T able 4-1 describes each of the BRIM-A6 LEDs. T able 4-1 BRIM LEDs L[...]

Chapter 4: LANVIEW LEDs P age 4-2 BRIM-A6 User’ s Guide 4.2 APIM LEDs T able 4-2 describes each of the APIM LEDs. T able 4-2 APIM LEDs LED Definition LNK (Link) Green - Hav e link. Off - No link. STS (Status) Green - APIM OK. Red - F ault with media. In most cases, the APIM automatically corrects this condition without interrupting operations. I[...]

BRIM-A6 User’ s Guide P age A-1 APPENDIX A APIM SPECIFICATIONS This Appendix describes the A TM Port Interface Modules. A.1 APIM-11 SPECIFICATIONS Physical Interface: T AXI Media T ype: Multimode Fiber Data Rate: 100 Mbps Connector T ype: SC T ypical Link Distance: 2 Kilometers A.2 APIM-21 SPECIFICATIONS Physical Interface: OC3 Media T ype: Multi[...]

Appendix A: APIM Specifications P age A-2 BRIM-A6 User’ s Guide A.3 APIM-22 SPECIFICATIONS Physical Interface: STS3 Media T ype: Category V Unshielded T wisted Pair Data Rate: 155 Mbps Connector T ype: RJ45 T ypical Link Distance: 100 Meters The APIM-22 is considered an A TM User Device and therefore has a different signal pin assignment that th[...]

APIM-67 Specifications BRIM-A6 User’ s Guide P age A-3 A.5 APIM-67 SPECIFICATIONS Physical Interface: DS3 Media T ype: 75 Ohm Coaxial Cable Data Rate: 45 Mbps Connector T ype: BNC T ypical Link Distance: 136 Meters The APIM-67 conforms to the electrical characteristics specified by ANSI T1.404-1989 Carrier-to-Customer Installation-DS3 Metallic I[...]

BRIM-A6 User’ s Guide P age B-1 APPENDIX B A TM OVER VIEW This Appendix covers basic Asynchronous T ransfer Mode (A TM) network operation and concepts that are critical to A TM network design and installation. The A TM Forum User -Network Interface Specification provides greater detail on A TM access methods and should be referenced whene ver mo[...]

Appendix B: A TM Overview P age B-2 BRIM-A6 User’ s Guide B.2 THE A TM CELL One major dif ference between A TM and current transmission methods is that instead of using v ariable-length packets, A TM transmits fixed-size cells. (See Figure B-1.) Figure B-1 A TM Cells A TM uses three types of cells – Assigned, Unassigned, and Idle. Assigned cel[...]

The A TM Cell BRIM-A6 User’ s Guide P age B-3 Figure B-2 A TM Header Field Breakdown The Header field is made up of se veral sub-fields which pro vide management/control information relating to a cell. Brief descriptions of each header field are as follo ws: • Generic Flo w Control (GFC) – provides the ability to control the traf fic flo[...]

Appendix B: A TM Overview P age B-4 BRIM-A6 User’ s Guide B.3 THE A TM NETWORK A TM is a connection-oriented transmission technology . This means that no information transfers prior to establishing connection between de vices. When preparing information, A TM uses V irtual Channels and V irtual Paths as cell addresses and places this channel data[...]

A TM Protocol BRIM-A6 User’ s Guide P age B-5 B.3.2 P ERMANENT AND SWITCHED VIRTUAL CHANNELS A TM networks use tw o dif ferent types of V irtual Channels – Permanent V irtual Channels (PVCs) or Switched V irtual Channels (SVCs). The dif ference between PVCs and SVCs exists in the channel set-up. PVCs are pre-configured by an administration fun[...]

Appendix B: A TM Overview P age B-6 BRIM-A6 User’ s Guide When a message is sent out by a user: • It passes from the highest layer in the model, the Applications Layer, do wn to the lo west layer , the Physical Layer . • The Physical Layer physically transmits the message ov er a particular media. When this message reaches its destination: ?[...]

A TM Protocol BRIM-A6 User’ s Guide P age B-7 A TM pro vides the function of the first three layers of the OSI model, but performs all the information routing (cell switching) in only the Physical and Data Link Layer . Performing the information routing functions in the Physical and Data Link layers essentially bypasses the Network Layer . This [...]

Appendix B: A TM Overview P age B-8 BRIM-A6 User’ s Guide Lay er 3: The A TM Adaptation Layer vs. The Network Lay er Even though these tw o layers hav e the same “physical” location in their perspecti ve models, the y are not alike. In the OSI model, the Network Layer formats data to be sent out on a particular network (for e xample, IP , or [...]