Page 3 - CONTENTS
BRIM-F6 User’s Guide i CONTENTS CHAPTER 1 INTRODUCTION ......................................................... 1-1 1.1 Using This Manual ....................................................................... 1-21.2 Getting Help.........................................................................
Page 5 - Welcome to the Cabletron Systems
BRIM-F6 User’s Guide Page 1-1 CHAPTER 1 INTRODUCTION Welcome to the Cabletron Systems BRIM-F6 User’s Guide . This manual describes features, explains installation procedures, and provides specifications for the BRIM-F6 — Cabletron Systems FDDI Bridge/Router Interface Module (BRIM). The BRIM-F6 resid...
Page 6 - INTRODUCTION; Using This Manual
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 working knowledge of Ethernet and IEE...
Page 7 - Connectivity; Basic FDDI Networks; Bridging
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) developed for use in Cabletron’s MMAC-FNB and MicroMMAC. The BRIM-F6 can be used to provide a high-speed uplink from lower speed networks such as Ethernet to a 100 Mbps FD...
Page 8 - LANVIEW Diagnostic LEDs; Related Documentation
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 following documentation to supplement the procedures, and other technical data in this manual. This manua...
Page 9 - Note; Unpacking the BRIM and the FPIMs
BRIM-F6 User’s Guide Page 2-1 CHAPTER 2 INSTALLATION This chapter contains instructions for unpacking the BRIM-F6, installing FPIMs, and installing the BRIM-F6 into Cabletron devices that support BRIM technology. Note : The BRIM-F6 is not shipped with the FPIMs installed. You must order the correct ...
Page 10 - INSTALLATION; Installing the FPIMs; Insert the connector pins of the FPIM into the connector on the; FPIM Screws
CHAPTER 2: INSTALLATION Page 2-2 BRIM-F6 User’s Guide 2.2 Installing the FPIMs To 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...
Page 11 - Installing the BRIM-F6; Cabletron provides disposable wrist straps and faceplate and; Standoffs
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 how to install a BRIM-F6 to upgrade or change the capabilities of a device’s motherboard. Note: Cabletron provides disposable wrist straps and faceplate an...
Page 12 - Installing a BRIM-F6 into a MIM
CHAPTER 2: INSTALLATION Page 2-4 BRIM-F6 User’s Guide 2.3.1 Installing a BRIM-F6 into a MIM To install a BRIM-F6 in a Media Interface Module (MIM) that supports BRIM technology (e.g., EMM-E6): Note : We recommend that you power down your hub even though Cabletron MIMs have “hot swap” capabilities. 1...
Page 15 - Press down on the connector until the clips on the jack snap into a; Installing a BRIM-F6 into a Hub; The BRIM-F6 requires an additional 24 pin ribbon connection.
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 power to your ...
Page 16 - way into the connector holes.
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 sure that the standoffs align with the standoff screw holes. 10. Reinstall the coverplate/faceplate screws and standoff screws. Not...
Page 18 - USING LANVIEW
CHAPTER 3: USING LANVIEW Page 3-2 BRIM-F6 User’s Guide TWR (Twisted 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, but alerts you to them. (Appen...
Page 19 - Fiber Optic Interface; Multimode Specifications; nsec maximum
BRIM-F6 User’s Guide Page 4-1 CHAPTER 4 SPECIFICATIONS This chapter lists the operating specifications for the BRIM-F6. Cabletron Systems reserves the right to change these specifications at any time, without notice. 4.1 Fiber Optic Interface Depending on the FPIM, interfaces have the following char...
Page 20 - sec typical; Single Mode Transmitter
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 35...
Page 23 - Cable Specifications; Shielded Twisted Pair Transmitter
Shielded Twisted Pair Transmitter Specifications BRIM-F6 User’s Guide Page 4-5 Shielded Twisted Pair Transmitter Specifications 4.2 Cable Specifications The FDDI Physical Layer Medium Dependent (PMD), Twisted Pair Physical Layer Medium Dependent (TP-PMD), and Single Mode Fiber Physical Layer Medium ...
Page 24 - CHAPTER 4: SPECIFICATIONS; m nominal; Multimode Fiber Optic Cable Length; The PMD FDDI standard specifies the following:; Single Mode Fiber Optic Cable Length; The SMF-PMD FDDI standard specifies the following:; Twisted Pair Cable Length; The TP-PMD FDDI standard specifies the following:
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 atte...
Page 25 - Twisted Pair Pinout Configuration; Contact
Twisted Pair Cable Length BRIM-F6 User’s Guide Page 4-7 Maximum totalcable length: 100 km (62 miles) — dual ring200 km (124 miles) — wrapped Maximum twistedpair cable length betweenadjacent nodes: 100 m (328.1 feet) 4.3 Twisted Pair Pinout Configuration This section provides the RJ-45 pinout configu...
Page 26 - Environment; C minimum; Safety
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. 95...
Page 27 - Basic FDDI Concepts
BRIM-F6 User’s Guide Page A-1 APPENDIX A BASIC FDDI NETWORKS This Appendix covers basic Fiber Distributed Data Interface (FDDI) network concepts relating to FDDI network design and installation. ANSI Standard X3T9.5 provides greater detail on FDDI access methods. Reference this standard whenever you...
Page 28 - APPENDIX A: BASIC FDDI NETWORKS
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 next opportunity, transmits the data frame, and then reissues the token. (A Token Holding Timer (THT) controls the maximum length of time that any stati...
Page 29 - Figure A-1. Typical FDDI Physical Installation; Reliability
Reliability BRIM-F6 User’s Guide Page A-3 Figure A-1. Typical FDDI Physical Installation A.3 Reliability FDDI networks employ a ring topology and are inherently vulnerable to the frailties of each ring segment and failures of individual stations. The ring of trees topology reduces the risk of a sing...
Page 31 - Figure A-3. FDDI Structure and the OSI Network Model
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 power levels, receiver sensitivity, the fiber optic cable type, the type ...
Page 34 - Entity Coordination Management (ECM) controls bypass; FDDI Connection Rules; X - illegal connection
APPENDIX A: BASIC FDDI NETWORKS Page A-8 BRIM-F6 User’s Guide Connection Management (CMT) controls physical layer insertion and removal of stations. CMT has three main components: • Entity Coordination Management (ECM) controls bypass switches and coordinates trace (recovery) functions. • Configurat...
Page 35 - All stations must have:
FDDI Devices BRIM-F6 User’s Guide Page A-9 Figure A-6. Dual Homing Topology 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 active connection, Port B. If a cable failure severs concentrator 3’s conn...
Page 37 - FDDI Devices; Figure A-8. Duplex Fiber Optic Receptacles and Connectors; Dual
FDDI Devices BRIM-F6 User’s Guide Page A-11 FDDI devices physically attach to the ring using Fixed Shroud Duplex (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 ...
Page 39 - BYPASS STATE; Station Power Off
FDDI Devices BRIM-F6 User’s Guide Page A-13 Figure A-9. Optical Bypass Switch A concentrator is a hub. It provides connections to the dual ring for single attached stations and controls their access to the ring. The network can optically bypass each main ring connection if the attached station becom...
Page 41 - In some multimode applications, existing 50/125; Attenuation
Design Considerations For FDDI Networks BRIM-F6 User’s Guide Page A-15 To 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. However, if a wrap oc...
