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MICROMMAC-22T/24T/42T/44T
STACKABLE TOKEN RING
INTELLIGENT HUBS
USER’S GUIDE
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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 have been made. The hardware, firmware, or software described in this manual is subject to change without notice. IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL, INDIRECT, SPECIAL, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING BUT
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NOTICE FCC NOTICE This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable prot
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NOTICE 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 software program (the “Program”) contained in this package. The Program may be contained in firmware, chips or other media. BY UTILIZING THE ENCLOSED PRODUCT, YOU ARE AGREEING
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NOTICE 2. NO LIABILITY FOR CONSEQUENTIAL DAMAGES. IN NO EVENT SHALL CABLETRON OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS, PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, SPECIAL, INCIDENTAL, CONSEQUENTIAL, OR RELIANCE DAMAGES, OR OTHER LOSS) ARISING OUT OF THE USE OR INABILITY TO USE THIS CABLETRON PRODUCT, EVEN IF CABLETRON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME STATES DO
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CONTENTS CHAPTER 1 INTRODUCTION 1.1 CONTENTS OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1.2 MicroMMAC-T OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . 1-2 1.3 MicroMMAC-T FEATURES . . . . . . . . . . . . . . . . . . . . . . . . 1-3 1.4 STACKABLE CAPABILITIES . . . . . . . . . . . . . . . . . . . . . . . 1-8 1.5 BRIDGING/ROUTING CAPABILITIES. . . . . . . . . . . . . . . . 1-9 1.5.1 SNA/WAN Integration. . . . . . . . . . . . . . . . . . . . . . 1-10 1.6 REM
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CONTENTS 3.5 RESETTING THE MICROMMAC-T . . . . . . . . . . . . . . . . . . 3-5 3.6 SETTING THE RING SPEED . . . . . . . . . . . . . . . . . . . . . . 3-6 3.7 SETTING THE NVRAM SWITCH . . . . . . . . . . . . . . . . . . . 3-7 3.8 CONNECTING LOBE PORT CABLING . . . . . . . . . . . . . . 3-8 3.9 INSTALLING TPIM MODULES . . . . . . . . . . . . . . . . . . . . 3-12 3.9.1 Setting Phantom and RI/RO Switches . . . . . . . . . 3-13 3.9.2 TPIM Installation . . . . . . . . . . . . . . . . . . . . .
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CONTENTS 5.2.4 Saved System Messages. . . . . . . . . . . . . . . . . . . . 5-6 5.3 VIEWING POWER UP DIAGNOSTIC TESTS . . . . . . . . . . 5-7 ix
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CHAPTER 1 INTRODUCTION Welcome to the Cabletron Systems MicroMMAC-22T/-24T/-42T/ -44T Stackable Token Ring Intelligent Hub User’s Guide. This manual provides installation instructions, network requirements, reference information, and operating instructions for the MicroMMAC-T (Figure 1-1) family of stackable hubs. Installing the MicroMMAC-T requires familiarity with the physical layer components of Token Ring (IEEE 802.5) data communications networks. NOTE: Unless otherw
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INTRODUCTION describes how to install a TPIM and concludes with installation check-out instructions. Chapter 4, Local Management, explains how to set up and use a management terminal and a modem to access Local Management. Chapter 5, Troubleshooting, explains how to monitor the operation performance of the MicroMMAC-T using LANVIEW® LEDs and LCD’s. It also explains how to access POWER UP diagnostic test information. 1.2 MicroMMAC-T OVERVIEW The MicroMMAC-T is an intelligent, stacka
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INTRODUCTION SDLC TOKEN RING Telnet UTP WORKSTATION Figure 1-2. Typical MicroMMAC-T Configuration Scenario All MicroMMAC-Ts are functionally and physically identical except for the number and type of their Trunk Connection Unit (TCU) lobe ports. The following MicroMMAC-T configurations are available: • MicroMMAC-22T: twelve active RJ45 TCU lobe ports that support category 3, 4, and 5 UTP cabling. • MicroMMAC 24T: twenty-four active RJ45 TCU lobe ports that support category 3,
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INTRODUCTION Active TCU Ports The active TCU ports regenerate, reshape, and filter the incoming signal, permitting UTP lobe cable lengths of up to 120 meters and STP lobe cable lengths up to 150 meters at 16 Mbps ring speed. The MicroMMAC-22T and the MicroMMAC-42T can be upgraded in the field using the Cabletron UTP and STP 12-port upgrade kits. Cable Signal Polarity Differential Manchester encoding is used for each concentrator module TCU port. This permits passing data r
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INTRODUCTION re-time all data. Cabletron offers a variety of TPIMs for RI/RO trunk connections as shown in Table 1-1. Table 1-1. TPIMs TPIM Media Type Connector TPIM-T1 Shielded Twisted Pair DB9 TPIM-T2 Unshielded Twisted Pair RJ45 TPIM-T4 Shielded Twisted Pair RJ45 TPIM-F2 Multimode Fiber Optic ST TPIM-F3 Single mode Fiber Optic ST Ring Speed Switch Use the Ring Speed Switch to select either 4 or 16 Mbps ring speed. Flash EEPROM The firmware image on the MicroMMAC-T can be upgr
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INTRODUCTION numerous management devices and serve as their management data representative. The network management station then has to query only one management device, the MicroMMAC-T in DLM mode, to access management data for all management devices on the network. Consult your network manager for DLM setup. COM Port Applications Both of the front panel COM ports are factory-configured to support Local Management connections. Select among configuration options for Local Management
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INTRODUCTION • Token Ring FNB (Flexible Network Bus) • DOT 5 Logical and Physical • UPS (Uninterruptible Power Supply) • Device • DLM (Distributed LAN Monitor) • PIC MIB (Product Information Chip MIB) • Chassis MIB RMON MIB Support The MicroMMAC-T supports the RMON MIB RFC 1271/1513 Token Ring Extensions shown in Table 1-2. Table 1-2. RMON MIB RFC 1271/1513 Support Group Subgroup Section Statistics Token Ring ML Stats Table statistics 2 rmon 1 Token Ring P Stats Table statistics 3 Hi
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INTRODUCTION Table 1-2. RMON MIB RFC 1271/1513 Support (Cont.) Group Subgroup Section Event Event Table event 1 rmon 9 Log Table event 2 Token Ring Ring Station Control Table Token Ring 1 rmon 10 Ring Station Table Token Ring 2 Ring Station Order Table Token Ring 3 Ring Station Config Control Table Token Ring 4 Ring Station Config Table Token Ring 5 Source Routing Stats Table Token Ring 6 1.4 STACKABLE CAPABILITIES The MicroMMAC-T can be stacked with up to four HubSTACK STH series non-i
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INTRODUCTION REAR VIEW MicroMMAC Managing 4 Non-Intelligent Hubs HubSTACK STH-24 RESERVED STACK HubSTACK STH-24 RESERVED STACK HubSTACK STH-24 RESERVED STACK HubSTACK STH-24 RESERVED STACK MicroMMAC-24T TOKEN RING HUB WITH LANVIEW® BRIM Slot STACK2 STACK3 STACK4 STACK5 Figure 1-3. Typical Stackable Configuration NOTE: Token Ring HubSTACK Interface cables, which are used to connect between the MicroMMAC-T and stacked STH hubs, are not included with the Micr
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INTRODUCTION . Table 1-3. BRIMs BRIM Description BRIM-E6 Ethernet Connection BRIM-W6 Wide Area Network (Full or Fractional T1; 56k DDS) BRIM-A6 Asynchronous Transfer Mode Connection BRIM-T6 Token Ring Connection CR BRIM-W/T Cisco WAN BRIM for Token Ring BRIM-FO Fiber Distributed Data Interface Connection 1.5.1 SNA/WAN Integration The MicroSNAC add-on daughterboard provides two ports, both of which can be used to provide conversion from SNA/SDLC or BSC links to LLC2. The
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INTRODUCTION module. This feature complements the remote SNMP management and allows for quick hub configuration changes or checks. 1.8 RECOMMENDED READING The following publications provide more information on Token Ring network implementation. Local Area Networks, Token Ring Access Method, IEEE Standard 802.5 (1989) Commercial Building Wiring Standard, EIA/TIA-568 LAN Troubleshooting Handbook, Mark Miller (1989, M&T Publishing) 1.9 GETTING HELP For additional support related t
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CHAPTER 2 REQUIREMENTS/SPECIFICATIONS Read this chapter prior to installing the MicroMMAC-T. It contains operating specifications and requirements for power and cabling. To obtain satisfactory performance from this equipment, networks must meet the requirements and conditions specified in this chapter. Failure to follow these guidelines may result in poor network performance. 2.1 CABLE SPECIFICATIONS Token Ring architecture provides for a set of Trunk Coupling Units (TCUs) connected
