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Cabletron Systems BRIM-F6 manuale d’uso - BKManuals

Cabletron Systems BRIM-F6 manuale d’uso

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Un buon manuale d’uso

Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso Cabletron Systems BRIM-F6. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica Cabletron Systems BRIM-F6 o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.

Che cosa è il manuale d’uso?

La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso Cabletron Systems BRIM-F6 descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.

Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.

Quindi cosa dovrebbe contenere il manuale perfetto?

Innanzitutto, il manuale d’uso Cabletron Systems BRIM-F6 dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo Cabletron Systems BRIM-F6
- nome del fabbricante e anno di fabbricazione Cabletron Systems BRIM-F6
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature Cabletron Systems BRIM-F6
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti

Perché non leggiamo i manuali d’uso?

Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio Cabletron Systems BRIM-F6 non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti Cabletron Systems BRIM-F6 e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio Cabletron Systems in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche Cabletron Systems BRIM-F6, come nel caso della versione cartacea.

Perché leggere il manuale d’uso?

Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo Cabletron Systems BRIM-F6, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.

Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso Cabletron Systems BRIM-F6. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.

Sommario del manuale d’uso

  • Pagina 1

    BRIM-F6 USER’S GUIDE BRIM-F Book Page 1 Monday, January 29, 1996 9:26 AM[...]

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    BRIM-F6 User’s Guide i CONTENTS CHAPTER 1 INT R ODUCTIO N ........................................................ . 1-1 1.1 Using Thi s Manua l ...................................................................... . 1-2 1.2 Getting Hel p ................................................................................ . 1-2 1.3 BRIM-F6 O v e r v[...]

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    BRIM-F6 User’s Guide Page 1-1 CHAPTER 1 INTR ODUCTION Welcome to the Cabletron Systems BRIM-F6 User’s Guide . This manual describes features, explains installation procedures, and pro vides specifications for the BRIM-F6 — Cabletron Systems FDDI Bridge/ Router Interface Module (BRIM). The BRIM-F6 resides in, and provides additional connectiv[...]

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    CHAPTER 1: INTRODUCTION Page 1-2 BRIM-F6 User’s Guide 1.1 Using This Manual Read through this manual completely to familiarize yourself with its content and to gain an understanding of the features and capabilities of the BRIM-F6. In addition to having a general w orking kno wledge of Ethernet and IEEE 802.3 type data communications networks and [...]

  • Pagina 7

    BRIM-F6 Overview BRIM-F6 User’s Guide Page 1-3 1.3 BRIM-F6 Overview The BRIM-F6 is an FDDI Bridge Router Interface Module (BRIM) de veloped for use in Cabletron’ s MMAC-FNB and MicroMMA C. The BRIM-F6 can be used to provide a high-speed uplink from lo wer speed networks such as Ethernet to a 100 Mbps FDDI backbone. 1.4 BRIM-F6 Features Connecti[...]

  • Pagina 8

    CHAPTER 1: INTRODUCTION Page 1-4 BRIM-F6 User’s Guide LANVIEW Diagnostic LEDs The BRIM-F6’ s front panel LEDs help you diagnose Bridge, Port, and Network status. 1.5 Related Documentation Use the follo wing documentation to supplement the procedures, and other technical data in this manual. This manual may reference procedures in these document[...]

  • Pagina 9

    BRIM-F6 User’s Guide Page 2-1 CHAPTER 2 INST ALLA TION This chapter contains instructions for unpacking the BRIM-F6, installing FPIMs, and installing the BRIM-F6 into Cabletron de vices that support BRIM technology . Note : The BRIM-F6 is not shipped with the FPIMs installed. Y ou must or der the corr ect FDDI Port Interface Modules based upon yo[...]

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    CHAPTER 2: INSTALLATION Page 2-2 BRIM-F6 User’s Guide 2.2 Installing the FPIMs T o install an FPIM into the BRIM-F6: 1. Remove the screws securing the FPIM coverplate and the coverplate. See Figure 2-1. 2. Insert the connector pins of the FPIM into the connector on the BRIM-F6. See Figure 2-2. Figure 2-1. Removing the FPIM Co verplate 3. Press do[...]

  • Pagina 11

    Installing the BRIM-F6 BRIM-F6 User’s Guide Page 2-3 Figure 2-2. Installing FPIMs 2.3 Installing the BRIM-F6 This section contains procedures on ho w to install a BRIM-F6 to upgrade or change the capabilities of a de vice’ s motherboard. Note: Cabletr on pr ovides disposable wrist straps and faceplate and standoff scr ews in both the BRIM packa[...]

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    CHAPTER 2: INSTALLATION Page 2-4 BRIM-F6 User’s Guide 2.3.1 Installing a BRIM-F6 into a MIM T o install a BRIM-F6 in a Media Interface Module (MIM) that supports BRIM technology (e.g., EMM-E6): Note : W e recommend that you power down your hub even though Cabletr on MIMs have “hot swap” capabilities. 1. Po wer-do wn your MMAC hub . 2. Disconn[...]

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    Installing the BRIM-F6 BRIM-F6 User’s Guide Page 2-5 Figure 2-3. Installing the BRIM-F6 The BRIM-F6 requires a special 24 pin ribbon connector in addition to the standard 96 pin BRIM connector . This ribbon connector allo ws the BRIM-F6 to use in-line filtering functionality . BRIM-F6 XMT PWR RCV STS FPIM A WRP LNK TWR LNK FPIM B Coverplate/ Scr[...]

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    CHAPTER 2: INSTALLATION Page 2-6 BRIM-F6 User’s Guide T o install the BRIM-F6 ribbon cable: 1. Insert one ribbon cable connector into the ribbon cable jack on the BRIM. (See Figure 2-4.) Figure 2-4. Installing the BRIM-F6 Ribbon Cable Caution: The ribbon cable connector only fits into the ribbon cable jack one way . Fit the tab on the connector [...]

  • Pagina 15

    Installing the BRIM-F6 BRIM-F6 User’s Guide Page 2-7 3. Insert the remaining ribbon cable connector into the ribbon cable jack on the MIM. 4. Press down on the connector until the clips on the jack snap into a vertical locked position. After returning the MIM to the chassis, returning po wer to your hub, and reconnecting to the network, the BRIM-[...]

  • Pagina 16

    CHAPTER 2: INSTALLATION Page 2-8 BRIM-F6 User’s Guide 9. Press down firmly on the back of the BRIM until the pins slide all the way into the connector holes. Note: Make sur e that the standoffs align with the standoff scr ew holes. 10. Reinstall the coverplate/faceplate screws and standoff screws. Note: Faceplate and support post scr ews ar e pr [...]

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    BRIM-F6 User’s Guide Page 3-1 CHAPTER 3 USING LANVIEW LANVIEW is a visual diagnostic and status monitoring system de veloped by Cabletron Systems. LANVIEW LEDs (see Figure 3-1) help you troubleshoot Bridge, Port, and Network problems. The follo wing sections describe BRIM-F6 LEDs. Figure 3-1. BRIM-F6 LANVIEW LEDs PWR (P o wer) When ON, this Green[...]

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    CHAPTER 3: USING LANVIEW Page 3-2 BRIM-F6 User’s Guide TWR (T wisted Ring) When ON, this Red LED indicates an undesirable cable connection. TWR illuminates when you connect A to A, or B to B, instead of A to B, or B to A. The BRIM-F6 supports undesirable configurations, b ut alerts you to them. (Appendix A summarizes FDDI connection rules.) WRP [...]

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    BRIM-F6 User’s Guide Page 4-1 CHAPTER 4 SPECIFICA TIONS This chapter lists the operating specifications for the BRIM-F6. Cabletron Systems reserves the right to change these specifications at an y time, without notice. 4.1 Fiber Optic Interface Depending on the FPIM, interfaces ha ve the follo wing characteristics: Multimode Specifications Mul[...]

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    CHAPTER 4: SPECIFICATIONS Page 4-2 BRIM-F6 User’s Guide Single Mode Specifications Multimode Receiver (Signal Detect) Assert power: -33.0 dBm typical -31.0 dBm maximum Assert time: 10 µ sec typical 100 µ sec maximum Deassert power: -36.0 dBm typical -45.0 dBm minimum Deassert time: 10 µ sec typical 350 µ sec maximum Hysteresis: 1.5 dB minimu[...]

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    Single Mode Specifications BRIM-F6 User’s Guide Page 4-3 Single Mode Receiver Optical wavelength: 1330 nm typical Optical input: (avg. sensitivity) -31.0 dBm minimum -14.0 dBm maximum Output rise time: 3 nsec maximum Output fall time: 3 nsec maximum Supply current: 115 mAmps maximum Single Mode Receiver (Signal Detect) Assert power: -33.0 dBm typ[...]

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    CHAPTER 4: SPECIFICATIONS Page 4-4 BRIM-F6 User’s Guide Unshielded T wisted Pair Specifications Unshielded Twisted Pair Transmitter Amplitude 1.080 Vpk maximum 0.920 Vpk minimum Rise time 2 nsec minimum 4 nsec maximum Fall time 2 nsec minimum 4 nsec maximum Rise/Fall variation 0.5 nsec maximum Overshoot 5% maximum Droop (14 symbols) 3% maximum U[...]

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    Shielded Twisted Pair Transmitter Specifications BRIM-F6 User’s Guide Page 4-5 Shielded T wisted Pair T ransmitter Specifications 4.2 Cable Specifications The FDDI Physical Layer Medium Dependent (PMD), T wisted Pair Physical Layer Medium Dependent (TP-PMD), and Single Mode Fiber Physical Layer Medium Dependent (SMF-PMD) ANSI standards define c[...]

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    CHAPTER 4: SPECIFICATIONS Page 4-6 BRIM-F6 User’s Guide Multimode Fiber: Core diameter: 62.5 µ m nominal Cladding diameter: 128.0 µ m maximum 122.0 µ m minimum Cable attenuation: ≤ 2.5 dB/km typical Single Mode Fiber: Core diameter: 8.7 µ m +/- 0.5 µ m Cladding diameter: 127.0 µ m maximum Cable attenuation: ≤ 0.5 dB/km typical Multimode[...]

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    Twisted Pair Cable Length BRIM-F6 User’s Guide Page 4-7 Maximum total cable length: 100 km (62 miles) — dual ring 200 km (124 miles) — wrapped Maximum twisted pair cable length between adjacent nodes: 100 m (328.1 feet) 4.3 Twisted Pair Pinout Configuration This section provides the RJ-45 pinout configuration for Unshielded T wisted Pair (UT[...]

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    CHAPTER 4: SPECIFICATIONS Page 4-8 BRIM-F6 User’s Guide 4.4 Environment Storage temperature: -40 ° C minimum 85 ° C maximum Operating temperature: 5 ° C minimum 40 ° C maximum Operating humidity: 5% to 95% non-condensing 4.5 Safety This unit meets the safety requirements of UL 1950, CSA C22.2 No. 950, and EN 60950; the EMI requirements of FCC[...]

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    BRIM-F6 User’s Guide Page A-1 APPENDIX A B ASIC FDDI NETW ORKS This Appendix covers basic Fiber Distrib uted Data Interf ace (FDDI) network concepts relating to FDDI network design and installation. ANSI Standard X3T9.5 provides greater detail on FDDI access methods. Reference this standard whene ver you need more complete information. Specific [...]

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    APPENDIX A: BASIC FDDI NETWORKS Page A-2 BRIM-F6 User’s Guide When a station has a frame waiting to transmit, the station captures the token at the ne xt opportunity , transmits the data frame, and then reissues the token. (A T oken Holding T imer (THT) controls the maximum length of time that any station may retain the tok en.) Each station rece[...]

  • Pagina 29

    Reliability BRIM-F6 User’s Guide Page A-3 Figure A-1. T ypical FDDI Physical Installation A.3 Reliability FDDI networks employ a ring topology and are inherently vulnerable to the frailties of each ring segment and f ailures of indi vidual stations. The ring of trees topology reduces the risk of a single node bringing the entire network do wn. A [...]

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    APPENDIX A: BASIC FDDI NETWORKS Page A-4 BRIM-F6 User’s Guide Figure A-2. Wrapping a Broken Ring A.4 ANSI Standard X3T9.5 The X3T9.5 standard includes: Station Management (SMT), Media Access Control (MA C), Physical Layer Medium Dependent (PMD) standards and Physical Layer Protocol (PHY). Each section defines a unique entity of the FDDI station [...]

  • Pagina 31

    ANSI Standard X3T9.5 BRIM-F6 User’s Guide Page A-5 Figure A-3. FDDI Structure and the OSI Network Model The PMD standard establishes the physical characteristics of the network connection, including the fiber optic transmitter po wer le vels, recei v er sensiti vity , the fiber optic cable type, the type of connectors, and acceptable losses bet[...]

  • Pagina 32

    APPENDIX A: BASIC FDDI NETWORKS Page A-6 BRIM-F6 User’s Guide Other functions of the PHY include generation of a 125 Mhz transmit clock, synchronization of the recei ve clock with an upstream transmitter , encoding and decoding for media control symbols, and in some applications, buf fering for the incoming bit stream. The MA C entity resides on [...]

  • Pagina 33

    ANSI Standard X3T9.5 BRIM-F6 User’s Guide Page A-7 SMT (Station Management) manages the FDDI station. It controls internal FDDI station processes and protocol compliance and provides an interface for human interv ention. Internal SMT management functions consist of three major categories: SMT Frame Services, Ring Management (RMT), and Connection [...]

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    APPENDIX A: BASIC FDDI NETWORKS Page A-8 BRIM-F6 User’s Guide Connection Management (CMT) controls physical layer insertion and remov al of stations. CMT has three main components: • Entity Coordination Management (ECM) controls bypass switches and coordinates trace (recov ery) functions. • Configuration Management (CFM) controls PHY and MA [...]

  • Pagina 35

    FDDI Devices BRIM-F6 User’s Guide Page A-9 Figure A-6. Dual Homing T opology Concentrator 3 in Figure A-6 has redundant connections to the main ring through either concentrator 1 or 2. The FDDI connection rules only permit one acti ve connection, Port B. If a cable failure se vers concentrator 3’ s connection to concentrator 2, CFM activ ates P[...]

  • Pagina 36

    APPENDIX A: BASIC FDDI NETWORKS Page A-10 BRIM-F6 User’s Guide Each physical ring connection requires: • one PMD • one PHY . A SAS consists of: • one SMT • one MA C • one PMD • one PHY . A D AS consists of: • two PMDs • two PHYs. Figure A-7. V alid Station Configurations PHY PMD Single Attached Concentrator Dual Attached Concentr[...]

  • Pagina 37

    FDDI Devices BRIM-F6 User’s Guide Page A-11 FDDI de vices physically attach to the ring using Fixed Shroud Duple x (FSD) media interface connectors. The X3T9.5 Physical Layer , PMD standard defines four connector types (see Figure A-7). These connectors provide proper trunk fiber alignment for each of the v alid configurations. T ypes A, B, an[...]

  • Pagina 38

    APPENDIX A: BASIC FDDI NETWORKS Page A-12 BRIM-F6 User’s Guide Optical bypass switches, concentrators, and bridges exist throughout FDDI networks. These devices allo w creation of ring topologies that meet the specific needs of dif ferent network applications. Repeaters, often found in other network topologies, do not e xist as entities for FDDI[...]

  • Pagina 39

    FDDI Devices BRIM-F6 User’s Guide Page A-13 Figure A-9. Optical Bypass Switch A concentrator is a hub . It pro vides connections to the dual ring for single attached stations and controls their access to the ring. The netw ork can optically bypass each main ring connection if the attached station becomes disabled or when the branch cable is disco[...]

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    APPENDIX A: BASIC FDDI NETWORKS Page A-14 BRIM-F6 User’s Guide Figure A-10. FDDI Devices A.7 Design Considerations For FDDI Networks The main v ariables of interest to the FDDI network designer include ring length, dri ve distance (distance between nodes), and the maximum number of stations. While many f actors determine the limits for these desi[...]

  • Pagina 41

    Design Considerations For FDDI Networks BRIM-F6 User’s Guide Page A-15 T o translate fiber path to ring length, remember that FDDI networks contain two counter -rotating rings. Under normal conditions (no failed segment), the ring length remains the same as the fiber path length. Ho we ver , if a wrap occurs, the length of the fiber path lengt[...]

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    APPENDIX A: BASIC FDDI NETWORKS Page A-16 BRIM-F6 User’s Guide The attenuation of the typical multimode fiber optic cable used in FDDI networks is 2.5 dB/km or 5 dB for the 2 km maximum node separation. When installing optical bypass switches, each switch could add 2.5 dB to the attenuation. W ith an 11 dB budget to work with, and 5 dB e xpended[...]

  • Pagina 43

    Design Considerations For FDDI Networks BRIM-F6 User’s Guide Page A-17 Figure A-11. Physical Device Connections DAS 2 DAC 2 SAC SAS SAS SAS SAS SAS 16 PHYSICAL CONNECTIONS 2 2 2 1 + 1 2 2 2 2 BRIM-F Book Page 17 Monday, January 29, 1996 9:26 AM[...]