Page 2 - NBR-SERIES Installation Guide; NOTICE; FCC NOTICE
NBR-SERIES Installation 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 have been made. The hard...
Page 6 - CONTENTS
NBR-SERIES Installation Guide v CONTENTS CHAPTER 1 INTRODUCTION 1.1 Using This Manual ....................................................................... 1-2 1.2 NBR Features .............................................................................. 1-3 1.3 Conventions Used in This Document ...
Page 9 - CHAPTER 1; The Cabletron Systems NBR-SERIES of; Network Bridge Routers; provide bridging and routing solutions; The NBR-SERIES of Network Products
NBR-SERIES Installation Guide Page 1-1 CHAPTER 1 INTRODUCTION The Cabletron Systems NBR-SERIES of Network Bridge Routers (NBR-220, NBR-420, NBR-620) provide bridging and routing solutions for Ethernet, token ring, FDDI, ATM, or wide area networks. The NBR-SERIES of standalone hubs consist of the fol...
Page 10 - Management Guide; USING THIS MANUAL; Introduction
Chapter 1: Introduction Page 1-2 NBR-SERIES Installation Guide This manual explains the following: • Installing the NBR • Connecting the NBR to an existing network • Testing the NBR • Troubleshooting any installation/operational problems In addition, Appendices contain NBR and Ethernet Port Interfac...
Page 12 - The NBR provides IETF MIB support, which includes the following:
Chapter 1: Introduction Page 1-4 NBR-SERIES Installation Guide Bridging/Routing The NBR-420 and NBR-620 can support two optional Bridge/Router Interface Modules (BRIMs). These modules allow for additional Ethernet connections, Wide Area (Full or Fractional T1; 56k DDS) access, or links to existing h...
Page 13 - NBR-620 Local Management Guide; Spanning Tree Protocol Support; The NBR supports the following spanning tree protocols:; Serial Connections/Local Management; your
NBR Features NBR-SERIES Installation Guide Page 1-5 MIB Navigation NBR firmware supports a management tool which allows for MIB navigation from a remote station. Refer to the NBR-220, NBR-420, and NBR-620 Local Management Guide for more information regarding MIB navigation. Spanning Tree Protocol Su...
Page 14 - CONVENTIONS USED IN THIS DOCUMENT; The following conventions are used throughout this document:; Note; symbol. Calls the reader’s attention to any item of; Tip; symbol. Conveys helpful hints concerning procedures or
Chapter 1: Introduction Page 1-6 NBR-SERIES Installation Guide 1.3 CONVENTIONS USED IN THIS DOCUMENT The following conventions are used throughout this document: 1.4 RELATED MANUALS Use the following manuals to supplement the procedures and other technical data provided in this manual. This manual r...
Page 15 - anonymous
Getting Help NBR-SERIES Installation Guide Page 1-7 1.5 GETTING HELP If you need additional support related to this device, or if you have any questions, comments, or suggestions concerning this manual, contact Cabletron Systems Technical Support: By phone (603) 332-9400Monday – Friday; 8 A . M . – ...
Page 16 - CHAPTER 2; NBR-620 – four EPIM ports, and two BRIM ports
NBR-SERIES Installation Guide Page 2-1 CHAPTER 2 CONTROLS AND INDICATORS This chapter provides descriptions of the controls and indicators of the Network Bridge Routers (NBR-220, NBR-420, NBR-620). The models are as follows: • NBR-220 – two Ethernet Port Interface Module (EPIM) ports • NBR-420 – two...
Page 17 - A CPU LED, for board status
Chapter 2: Controls and Indicators Page 2-2 NBR-SERIES Installation Guide 2.1 LANVIEW LEDs The NBR-220, NBR-420, and NBR-620 incorporate the Cabletron Systems LANVIEW status monitoring and diagnostics system. LANVIEW LEDs help diagnose problems, such as a power failure or a cable fault. Each NBR inc...
Page 18 - CHAPTER 3; UNPACKING THE NBR
NBR-SERIES Installation Guide Page 3-1 CHAPTER 3 INSTALLATION This chapter contains the following procedures: • Unpacking the NBR • Preparing the NBR for installation • Installing the NBR • Connecting the NBR to the power source • Connecting the NBR to the network 3.1 UNPACKING THE NBR Unpack the NB...
Page 19 - PREPARING THE NBR FOR INSTALLATION
Chapter 3: Installation Page 3-2 NBR-SERIES Installation Guide 3.2 PREPARING THE NBR FOR INSTALLATION This section contains the following procedures: • Removing chassis cover • Setting mode switches • Setting NVRAM reset switch • Installing SIMM upgrades • Installing FLASH SIMMs • Installing LDRAM a...
Page 20 - Removing the Chassis Cover
Preparing the NBR for Installation NBR-SERIES Installation Guide Page 3-3 To remove the chassis cover, perform the following steps (see Figure 3-1): 1. Disconnect the NBR from the network as follows: a. Disconnect the power cord from the rear of the NBR. b. Disconnect all network cables attached to ...
Page 22 - Switch definitions are as follows:
Preparing the NBR for Installation NBR-SERIES Installation Guide Page 3-5 3.2.2 Setting Mode Switches Figure 3-2 shows the location and factory default settings of the mode switches. Check these switches to ensure that they are in the correct position for normal NBR operation. Switch definitions are...
Page 25 - Installing a FLASH SIMM; Install a FLASH SIMM as follows:
Chapter 3: Installation Page 3-8 NBR-SERIES Installation Guide Figure 3-3 Installing a FLASH SIMM Install a FLASH SIMM as follows: 1. Insert the SIMM between the connector teeth in the SIMM slot. 2. Pivot the SIMM back until it locks into the clips in the SIMM slot, and the SIMM holes fit over the S...
Page 26 - Installing an LDRAM or SDRAM SIMM; Install an LDRAM or SDRAM SIMM as follows:
Preparing the NBR for Installation NBR-SERIES Installation Guide Page 3-9 3.2.4.2 Installing LDRAM and SDRAM SIMMs To install an LDRAM or SDRAM SIMM, see Figure 3-4 and the steps below. Figure 3-4 Installing an LDRAM or SDRAM SIMM Install an LDRAM or SDRAM SIMM as follows: 1. Insert the SIMM between...
Page 27 - Install an EPIM as follows:; Installing an EPIM
Chapter 3: Installation Page 3-10 NBR-SERIES Installation Guide Install an EPIM as follows: 1. Remove the coverplate or the EPIM (whichever applies). 2. Slide your new EPIM into place, making sure the connectors on the rear of the module and inside the HUB attach properly. 3. Fasten the EPIM to the ...
Page 28 - Connect the first workstation to an NBR EPIM or BRIM.
Preparing the NBR for Installation NBR-SERIES Installation Guide Page 3-11 3.2.7 Testing the NBR Before installing the NBR in a live network, test the hub in a controlled situation to ensure that it is bridging packets. Perform this test with two workstations (see Figure 3-6), as follows: 1. Connect...
Page 29 - Installation Check-out; INSTALLING THE NBR
Chapter 3: Installation Page 3-12 NBR-SERIES Installation Guide Figure 3-6 Installation Check-out 3.3 INSTALLING THE NBR You can install the NBR on any horizontal surface. In addition, Cabletron Systems provides an accessory kit with the NBR that includes hardware to install the NBR in a 19-inch rac...
Page 30 - C per hour temperature change.; Attaching the Strain-Relief Bracket
Installing the NBR NBR-SERIES Installation Guide Page 3-13 • If a shelving unit is to be used, it must be able to support 30 pounds (13.6 kg) of static weight. • The temperature for the selected location must be maintained between 5 ° and 40 ° C, and less than 10 ° C per hour temperature change. 3.3...
Page 31 - Install the NBR in a 19-inch rack as follows:; Rackmount Brackets Installation
Chapter 3: Installation Page 3-14 NBR-SERIES Installation Guide 3.3.2 Rack Mounting the NBR Install the NBR in a 19-inch rack as follows: 1. Remove four cover screws (two from each side) located along the front edges of each side of the NBR. See Figure 3-8. 2. Using the four 6-32 x 3/8-inch replacem...
Page 32 - Free-Standing Installation; CONNECTING THE NBR TO THE POWER SOURCE; Connect the NBR to the power source as follows:
Connecting the NBR to the Power Source NBR-SERIES Installation Guide Page 3-15 3.3.3 Free-Standing Installation For a free-standing shelf or tabletop installation, locate the NBR within 7 feet of its power source and with an unrestricted free surface area 21 inches wide, 18 inches deep and 6 inches ...
Page 33 - Observe the status of the LANVIEW LEDs on the NBR. When the; NBR LANVIEW LEDs; PWR LED on, indicating that the NBR is receiving power.
Chapter 3: Installation Page 3-16 NBR-SERIES Installation Guide 2. Observe the status of the LANVIEW LEDs on the NBR. When the CPU LED is flashing, the STAND BY LEDs indicate the boot state of the NBR. During this period (up to 5 minutes), the LEDs cycle through a series of internal diagnostics. Fig...
Page 34 - CONNECTING THE NBR TO THE NETWORK; EPIM-T Crossover Switch
Connecting the NBR to the Network NBR-SERIES Installation Guide Page 3-17 3.5 CONNECTING THE NBR TO THE NETWORK This section gives procedures for connecting the NBR to the network using the various EPIMs available. Once you have successfully powered up your NBR, you can add network connections. The ...
Page 36 - Connect an EPIM-X to a device not requiring SQE as follows:; Check that the SQE LED on the EPIM-X is OFF. If the SQE LED is; ON, check the position of the SQE switch.
Connecting the NBR to the Network NBR-SERIES Installation Guide Page 3-19 3.5.2 Connecting an AUI Cable to an EPIM-X Connect an EPIM-X to a device not requiring SQE as follows: 1. Check that the SQE LED on the EPIM-X is OFF. If the SQE LED is ON, check the position of the SQE switch. 2. Attach one e...
Page 38 - SMA 906 Connectors w/
Connecting the NBR to the Network NBR-SERIES Installation Guide Page 3-21 Connect a fiber optic link segment to an EPIM-F1/F2 or an EPIM-F3 as follows: 1. Remove the protective plastic covers from the fiber optic ports on the applicable port on the module, and from the ends of the connectors on each...
Page 42 - CHAPTER 4
NBR-SERIES Installation Guide Page 4-1 CHAPTER 4 TROUBLESHOOTING This chapter provides information for troubleshooting network and NBR operational problems. The following sections describe the LANVIEW LEDs, provide a troubleshooting checklist, and explain how to use the LCD and the RESET button. 4.1...
Page 44 - Red; LED
Using LANVIEW NBR-SERIES Installation Guide Page 4-3 COLLISIONA, B, C, D Red Collision detected on a segment. When the LAN isoperating properly, occasional flashing is normal. Excessive flashing, or a solid light, indicates an inordinatenumber of collisions. This may be normal if there is a high amo...
Page 45 - TROUBLESHOOTING CHECKLIST; Troubleshooting Checklist; Check link to device.
Chapter 4: Troubleshooting Page 4-4 NBR-SERIES Installation Guide 4.2 TROUBLESHOOTING CHECKLIST If your NBR is not operating properly, the following checklist describes some of the problems that may occur, possible causes for the problem, and suggestions for resolving the problem. Table 4-2 Troubles...
Page 46 - Problem
Troubleshooting Checklist NBR-SERIES Installation Guide Page 4-5 User parameters (IP address, Device and Module name, etc.) are lost when device is powered down. NVRAM reset switch has been toggled and user-entered parameters have been reset to factory default. NVRAM may be defective. See Chapter 3 ...
Page 47 - The LCD
Chapter 4: Troubleshooting Page 4-6 NBR-SERIES Installation Guide 4.3 USING THE LCD The NBR-420 and NBR-620 are equipped with a front panel LCD as shown in Figure 4-2. The LCD provides network statistics and diagnostic information such as Power up diagnostics, Revision levels, MAC and IP Addresses, ...
Page 49 - There are three ways to exit the Static System messages:; Displayed Messages; Displays the baud rate set in Local Management.
Chapter 4: Troubleshooting Page 4-8 NBR-SERIES Installation Guide To Exit There are three ways to exit the Static System messages: • From the last Static System messageMomentarily press the DISPLAY button while the last message “COM 2 Port Function xxxxx” is displayed. The display automatically retu...
Page 50 - There are two ways to gain access and display the Alarm messages:; To Exit; There are two ways to exit the Alarm messages:
Using the LCD NBR-SERIES Installation Guide Page 4-9 4.3.3 Alarm Messages Alarm messages pertain to events that occur within the NBR. The messages that can be displayed are shown in this section. To Display the Messages There are two ways to gain access and display the Alarm messages: • From the pro...
Page 51 - There are two ways to access and display the Saved System messages:
Chapter 4: Troubleshooting Page 4-10 NBR-SERIES Installation Guide 4.3.4 Saved System Messages Saved System messages are device related startup or boot strap messages, BOOTP/TFTP host, or startup error messages. The following messages can be displayed: To Display Messages There are two ways to acces...
Page 52 - There are two ways to exit the Saved System messages:
Using the LCD NBR-SERIES Installation Guide Page 4-11 • From the product name displayPress and hold the DISPLAY button for 3 seconds while the product name is displayed. When the button is released, the display steps to the Alarm messages. Then press and hold the DISPLAY button for another 3 seconds...
Page 53 - The Failure or Error messages are as follows:; USING THE RESET BUTTON
Chapter 4: Troubleshooting Page 4-12 NBR-SERIES Installation Guide 4.3.5 Failure or Error Messages Failure or Error Messages appear when an unrecoverable condition occurs. These messages are not saved and cannot be recalled by using the DISLAY button. When one of these messages appear call Cabletron...
Page 54 - APPENDIX A; A.1 OPERATING SPECIFICATIONS
NBR-SERIES Installation Guide Page A-1 APPENDIX A NBR SPECIFICATIONS This appendix provides the operating specifications for the Cabletron Systems NBR. Cabletron Systems reserves the right to change these specifications at any time without notice. A.1 OPERATING SPECIFICATIONS FLASH Memory: 2 MB Shar...
Page 56 - A.3 PHYSICAL PROPERTIES; Operating Temperature:; A.6 POWER SUPPLY REQUIREMENTS; Output; Volts
Physical Properties NBR-SERIES Installation Guide Page A-3 A.3 PHYSICAL PROPERTIES Dimensions: 7.2H x 43.6W x 34.6D (cm)2.8H x 17W x 13.5D (in) Weight (unit): 3.18 kg (7 lbs) A.4 ENVIRONMENTAL REQUIREMENTS Operating Temperature: 5 ° to 40 ° C (41 ° to 104 ° F) Non-operating Temperature: -30 ° to 90 ...
Page 57 - APPENDIX B; B.1 EPIM SPECIFICATIONS; side, the pairs are internally crossed; Crossover Switch on the EPIM-T
NBR-SERIES Installation Guide Page B-1 APPENDIX B EPIM SPECIFICATIONS B.1 EPIM SPECIFICATIONS EPIMs enable the connection of the NBR to different media types. Cabletron Systems offers a variety of EPIMs. The following sections explain specifications for each EPIM. B.2 EPIM-T The EPIM-T is an RJ45 co...
Page 58 - Parameter
Appendix B: EPIM Specifications Page B-2 NBR-SERIES Installation Guide B.3 EPIM-F1/F2 The EPIM-F1 and EPIM-F2 shown in Figure B-2 support Multimode Fiber Optic cabling. Each EPIM has an internal Cabletron SystemsFOT-F Fiber Optic Transceiver. The EPIM-F1 is equipped with SMA Connectors and the EPIM-...
Page 59 - C temperature
EPIM-F3 NBR-SERIES Installation Guide Page B-3 B.4 EPIM-F3 The EPIM-F3 shown in Figure B-3 supports Single Mode Fiber Optic cabling. It has an internal Cabletron Systems FOT-F Fiber Optic Transceiver and is equipped with ST Connectors. Specifications for the EPIM-F3 are listed below. Figure B-3 EPIM...
Page 62 - Pin
Appendix B: EPIM Specifications Page B-6 NBR-SERIES Installation Guide B.6 EPIM-A AND EPIM-X The EPIM-A is a DB15 female connector used to attach segments to an external transceiver. The EPIM-X is equipped with dual internal transceivers. It has a DB15 male connector used to attach segments to an AU...
Page 63 - APPENDIX C; C.1 NETWORK CABLE REQUIREMENTS
NBR-SERIES Installation Guide Page C-1 APPENDIX C NETWORK PLANNING AND CONFIGURATION This appendix contains general networking guidelines. Before attempting to install the NBR or any additional EPIMs or BRIMs, review the requirements and specifications outlined in this appendix. C.1 NETWORK CABLE RE...
Page 66 - m single mode fiber optic cabling. You can also use
Appendix C: Network Planning and Configuration Page C-4 NBR-SERIES Installation Guide - Network propagation delay is the amount of time it takes a packet to travel from the sending device to the receiving device. Total propagation delay allowed for the entire network must not exceed 25.6 µ s in one ...
Page 67 - s round trip). If the total propagation delay
Network Cable Requirements NBR-SERIES Installation Guide Page C-5 - Network propagation delay is the amount of time it takes a packet to travel from the sending device to the receiving device. Total propagation delay for the entire network must not exceed 25.6 µ s in one direction (51.2 µ s round tr...
Page 68 - C.2 TRANSCEIVER REQUIREMENTS; The NBR-620 and BRIMs
Appendix C: Network Planning and Configuration Page C-6 NBR-SERIES Installation Guide C.2 TRANSCEIVER REQUIREMENTS When you connect an external network segment to an EPIM-A in your hub through a transceiver, that transceiver must meet IEEE 802.3 standards or Ethernet version 1.0 or 2.0 requirements....
Page 69 - APPENDIX D; EPIM-T – 10BASE-T Twisted Pair Segment Interface Module
NBR-SERIES Installation Guide Page D-1 APPENDIX D ADDITIONAL INFORMATION D.1 NBR OVERVIEW The NBR provides bridging and management for up to four separate Ethernet channels (A, B, C, and D). The following list contains the currently available EPIMs: • EPIM-T – 10BASE-T Twisted Pair Segment Interface...
Page 71 - D.4 BRIDGING FUNCTIONALITY; What channel to use if it must forward the frames
Bridging Functionality NBR-SERIES Installation Guide Page D-3 D.4 BRIDGING FUNCTIONALITY The NBR automatically configures itself as a bridge between channels A, B, C, D, E, and F for a six port bridge maximum. The IEEE 802.1d compliant bridge function supports multi-port bridging, the IETF Bridge MI...
Page 72 - INDEX
NBR-SERIES Installation Guide Index-1 INDEX C Certification A-3 COM port pinouts A-2 E Environmental requirements A-3 H Help 1-7 L LANVIEW LEDs 1-3, 2-2 LCD 1-3, 2-2, 4-6 N NBR connecting to the network 3-17 features 1-3 installation 3-1 overview D-1 Network cable requirements C-1 connection 3-17 op...
Page 73 - POWER SUPPLY CORD
POWER SUPPLY CORD The mains cord used with this equipment must be a 2 conductor plus ground typewith minimum 0.75 mm square conductors and must incorporate a standard IECappliance coupler on one end and a mains plug on the other end which is suitablefor the use and application of the product and tha...
