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Cabletron Systems NB20E, NB25 E user manual Contents

Models: NB25 E NB20E

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Cabletron Systems NB20E, NB25 E user manual Contents

Contents

NB20E and NB25 E TWO PORT ETHERNET BRIDGES USER’S MANUAL CABLETRON SYSTEMS, P.O. BOX 6257, ROCHESTER, NHPage Copyright May 1990 by Cabletron Systems Inc FCC NOTICE SPECIFICATIONS CONTENTSINSTALLATION REQUIREMENTS INSTALLING THE NB20E OR NB25E BRIDGECONTENTS 1.1 USING THIS MANUAL CHAPTER INTRODUCTION1.2 GETTING HELP 1.3 THE NB20E AND NB25E TWO PORT ETHERNET BRIDGE1.4 THE BRIDGE FILTERING METHOD NODE C Figure 1-1 Bridging MethodNODE A LAN NODE B1.5 MULTIPLE BRIDGE ENVIRONMENTS 1.5.1 The Root Bridge1.5.2 Primary and Redundant Data Paths Figure 1-2 Multiple Bridging Environments1.6 REMOTE LANVIEW 1.7 RELATED MANUALS CHAPTER INSTALLATION REQUIREMENTS SPECIFICATIONS 2.1 LOCATION REQUIREMENTS2.2 NETWORK REQUIREMENTS 2.3 OPERATING SPECIFICATIONS INSTALLATION REQUIREMENTS/ SPECIFICATIONSFRONT PANEL INDICATORS FRONT PANEL SWITCHESFRONT PANEL SWITCHES cont AUI PORT NB20E/NB25ERS232 PORT Typical POWER SUPPLY REQUIREMENTSParameter WorstSAFETY SERVICEPHYSICAL PROPERTIES CHAPTER INSTALLING THE NB20E OR NB25E BRIDGE 3.2 INSTALLING THE BRIDGE3.1 UNPACKING THE NB20E OR NB25E BRIDGE 3.2.1 Installing the Rack Mount Brackets 3.2.2 Cable Support Installation 3.2.3 Connecting The Bridge To The Network3.2.4 Setting The Mode Switches 3.2.5 Connecting The NB20E or NB25E To The Power Source NB-25EThe following conditions indicate a problem has been detected with the bridge CHAPTER TESTING AND LANVIEW 4.1 INSTALLATION CHECK-OUTNB-25E 4.2 USING LANVIEW STAND BY LED 4.3 USING THE FORWARD BROADCAST SWITCHTESTING AND LANVIEW ON LINE LED TRANSMIT XMT LED4.4 USING THE ROOT SWITCH