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Cabletron Systems EMM-E6 Installation Manual

Ethernet bridge/ management module
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D C B A
EMM-E6
ETHERNET BRIDGE/
E
MANAGEMENT MODULE
INSTALLATION GUIDE
F

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Summary of Contents for Cabletron Systems EMM-E6

  • Page 1 D C B A EMM-E6 ETHERNET BRIDGE/ MANAGEMENT MODULE INSTALLATION GUIDE...

  • Page 3: Fcc Notice

    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.

  • Page 4: Doc Notice

    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.
  • Page 5 Government is subject to restrictions as set forth in subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at 252.227-7013. Cabletron Systems, Inc., 35 Industrial Way, Rochester, New Hampshire 03867-0505. EMM-E6 Installation Guide...

  • Page 6: Declaration Of Conformity

    EN 55022 EN 50082-1 EN 60950 Networking Equipment, for use in a Commercial or Light Industrial Environment. Legal Representative in Europe Mr. J. Solari ___________________________________ Full Name Managing Director - E.M.E.A. ___________________________________ Title Newbury, Berkshire, England ___________________________________ Location EMM-E6 Installation Guide...

  • Page 7: Table Of Contents

    CONTROLS AND INDICATORS The Faceplate... 2-1 Internal Components ... 2-2 LANVIEW LED CHAPTER 3 INSTALLATION Unpacking the EMM-E6... 3-1 Setting Mode Switches ... 3-3 Pre-Installation Test... 3-5 Installation ... 3-7 Connecting to the Network ... 3-10 3.5.1 Connecting a 10BASE-T Segment to an EPIM-T ... 3-10 3.5.2...
  • Page 8 Contents APPENDIX B UPGRADING THE EMM-E6 Locating BRIM Connectors ... B-1 ...B-2 Adding EPIM SIMM Upgrades ... B-3 B.3.1 Locating SIMMs ... B-3 B.3.2 Installing SIMMs ... B-4 APPENDIX C ETHERNET CABLING REQUIREMENTS Network Requirements ... C-1 C.1.1 10BASE-T Twisted Pair Network... C-1 C.1.2 Multimode Fiber Optic Network ...

  • Page 9: Chapter 1 Introduction

    EMM-E6 Ethernet Bridge/Management Module. EMM-E6 OVERVIEW The EMM-E6 is a high-speed Ethernet bridge that also performs comprehensive SNMP-based chassis and network management functions. The EMM-E6 provides six bridge ports consisting of three chassis interfaces, one external interface, and two Bridge/Router Interface Module (BRIM) interfaces.
  • Page 10 EMM-E6. This chapter contains information and step-by-step instructions for connecting network cabling to the EMM-E6 and closes with a procedure which may be used to test the operation of the EMM-E6 in the network. Chapter 4, Troubleshooting, describes how to use LANVIEW LEDs on the EMM-E6.

  • Page 11: Document Conventions

    Figures throughout the document are identified by chapter and illustration number. Many figures contain small numbers at the lower right-hand corner of the illustration. These are Cabletron Systems document control numbers and are not essential to an understanding of the document.

  • Page 12: 1.4 Related Documents

    • Network load and frame size at the time of trouble (if known) • The serial and revision numbers of all Cabletron Systems products in the network • The device history (i.e., have you returned the device before, is this a recurring problem, etc.)

  • Page 13: Chapter 2 Controls And Indicators

    Figure 2-1 The EMM-E6 Faceplate Knurled Knobs The black plastic knurled knobs on the faceplate of the EMM-E6 are used to turn the securing screws that hold the EMM-E6 module in place in the MMAC chassis. EMM-E6 Installation Guide CHAPTER 2...

  • Page 14: Internal Components

    LANVIEW LEDs are identified in Section 2.3, LANVIEW LED EPIM (Ethernet Port Interface Module) Slot The EPIM slot is a covered opening in the EMM-E6 faceplate that can be configured with an optional EPIM module. Serial Ports The EMM-E6 faceplate provides two serial communications ports for the connection of out-of-band management devices.
  • Page 15 The dip switches can also be used to clear the NVRAM of the EMM-E6, which contains configuration and local management settings, or to force the EMM-E6 to request a new firmware image from a properly configured BootP server.
  • Page 16 EPIM Connector Pins The EPIM connector pins are two sets of built-in pins that connect the EMM-E6 Ethernet Channel D to optional EPIM modules. The proper insertion of the EPIM will automatically connect these pins to the connector located on the EPIM.
  • Page 17 NOTE RMON or Cabletron Systems Routing Services, require an EMM-E6 with greater than 8 MB of LDRAM. In these cases, the 4 MB SIMM that is shipped in the LDRAM slot must be upgraded to a higher-capacity SIMM. Contact your Cabletron Systems Sales Representative for more information about available memory upgrades for the EMM-E6.

  • Page 18: Lanview Leds

    The use of these LEDs for troubleshooting is covered in Chapter 4, Troubleshooting. The following LEDs are on the faceplate of the EMM-E6: The CPU LED indicates the operating status of the EMM-E6, and is primarily concerned with the operation of the onboard i960 RISC processor.
  • Page 19 The RCV LED indicates the reception of Ethernet frames by the associated port or interface. The XMT LED indicates the transmit status of the associated port or interface. The CLN LED flashes to indicate that a collision has been detected on the associated segment. EMM-E6 Installation Guide...
  • Page 20 Chapter 2: Controls and Indicators EMM-E6 Installation Guide...

  • Page 21: Installation

    • Preparing the EMM-E6 for installation • Testing the EMM-E6 prior to network connection • Installing the EMM-E6 into a Multi Media Access Center (MMAC) • Connecting the EMM-E6 to a network • Testing the installed EMM-E6 UNPACKING THE EMM-E6...

  • Page 22: Chapter 3 Installation

    6. Open the non-conductive bag by tearing the black and yellow tape seal. Do not cut the bag open, as damage to the EMM-E6 may result. CAUT ION 7. Perform a second visual inspection of the module.

  • Page 23: Setting Mode Switches

    SETTING MODE SWITCHES A bank of dip switches, located at the top of the EMM-E6 (Figure 3-1), provides several configuration options. All switches ship in the OFF position. Never adjust switch settings while the EMM-E6 is on. Not only is this dangerous, but the change in state (i.e., position) only activates the switch function after restarting or cycling power to the board.
  • Page 24 After changing the position of Switch 6 and restarting the EMM-E6, the EMM-E6 requests a new image download until it either receives a new image or the reset button on the front panel is pressed. When the reset button is pressed, the EMM-E6 continues trying to contact a BootP server, but will timeout in approximately one minute.

  • Page 25: Pre-Installation Test

    PRE-INSTALLATION TEST Before installing the EMM-E6 in a live network, you may want to test the module in a controlled situation to ensure that it is bridging traffic. You can perform this test with two workstations (see Figure 3-2), using an...
  • Page 26 (refer to individual workstation manuals for instructions on assigning server/client relationships). 6. Send packets between the two workstations to verify the proper operation of the EMM-E6. If a failure occurs, contact Cabletron Systems Technical Support. MMAC-M3FNB M3FM EMM-E6 Installation Guide...

  • Page 27: Installation

    MMAC slot covers, in accordance with the installation and removal procedures for these items. 2. Holding the EMM-E6 by the front panel, or by the edges of the board, align the bottom and top edges of the printed circuit board with the guides.
  • Page 28 7. Power-up the MMAC (if it is not already ON). 8. Observe the status of the LANVIEW LEDs (Figure 3-4) on the EMM-E6. When the CPU LED is amber, the module is in boot state. During this approximately one minute period the EMM-E6 cycles through a series of internal diagnostics.
  • Page 29 9. After the system boot procedure, the CPU LED should be flashing green, indicating proper EMM-E6 operation. Proceed to Section 3.5, Connecting to the Network, to connect the appropriate network segments to the EMM-E6 and individual EPIMs (for connections to individual BRIMs, refer to the appropriate BRIM Guides). EMM-E6 Installation Guide...

  • Page 30: Connecting To The Network

    For proper operation, the EPIM-T module to be configured for NOTE use in the EMM-E6 module must be of EPIM board revision 04 or greater. Board revision numbers are found following the part number printed on the Printed Circuit Board of the EPIM.
  • Page 31 Check that the 10BASE-T device at the other end of the twisted pair segment is ON. b. Verify that the RJ45 connectors on the twisted pair segment have the proper pinouts. EMM-E6 Installation Guide Connecting to the Network Position = (not crossed over) 1.
  • Page 32 Check that the twisted pair connection meets dB loss and cable specifications outlined in Appendix C, Ethernet Cabling Requirements. 4. If you still cannot establish a link, contact Cabletron Systems Technical Support. To remove the RJ45 connector from the port once it is locked in, grasp the cable where it enters the network device.

  • Page 33: Connecting A 10Base-F Segment To An Epim-F2

    For proper operation, the EPIM-F2 module to be configured for NOTE use in the EMM-E6 module must be of EPIM board revision 05 or greater. EPIM-F3 modules used in the EMM-E6 must be of EPIM board revision 02 or greater. Board revision numbers are found following the part number printed on the Printed Circuit Board of the EPIM.
  • Page 34 Appendix C, Ethernet Cabling Requirements. If you are still unable to establish a link, attempt to make the connection between the devices with another fiber optic cable. If this is unsuccessful, contact Cabletron Systems Technical Support. 3-14 1926n10...

  • Page 35: Connecting A 10Base-F Segment To An Epim-F1

    For proper operation, the EPIM-F1 module to be configured for NOTE use in the EMM-E6 module must be of EPIM board revision 05 or greater. Board revision numbers are found following the part number printed on the Printed Circuit Board of the EPIM.
  • Page 36 Appendix C, Ethernet Cabling Requirements. If you are still unable to establish a link, attempt to make the connection between the devices with another fiber optic cable. If this is unsuccessful, contact Cabletron Systems Technical Support. 3-16 1926n11...

  • Page 37: Connecting An Aui Segment To An Epim-X Or Epim-A

    2. Firmly press the AUI connector over the AUI port. If there is a slide latch present for the AUI connector, slide it over the locking posts on the DB15 port. Figure 3-9 AUI Connector Insertion EMM-E6 Installation Guide Connecting to the Network 1926n12 3-17...

  • Page 38: Connecting A 10Base2 Segment To An Epim-C

    For proper operation, the EPIM-C module to be configured for NOTE use in the EMM-E6 module must be of EPIM board revision 05 or greater. Board revision numbers are found following the part number printed on the Printed Circuit Board of the EPIM.
  • Page 39 The keys will click the connector into place and hold it there. To remove the BNC connector, perform the steps above in reverse order, turning the metal housing counter-clockwise and pulling the connector straight off of the female BNC connector. EMM-E6 Installation Guide Connecting to the Network 1926n13 3-19...

  • Page 40: Backplane Test

    EMM-E6’s connection to the chassis backplane. Again, you can use two workstations set up as file server and client. See Figure 3-11. 1. After the EMM-E6 is installed in the MMAC, connect the client workstation to the EMM-E6 EPIM 1 port.

  • Page 41: Chapter 4 Troubleshooting

    The EMM-E6 uses the Cabletron Systems built-in visual diagnostic and status monitoring system called LANVIEW. With LANVIEW, you can quickly scan the EMM-E6 LEDs to observe network status or diagnose network problems. The STBY, RCV, XMT, and CLN LEDs are in a matrix, which...
  • Page 42 If none of the receive LEDs is flashing, the EMM-E6 is not receiving frames on any LED flashes to of the segments. indicate that a segment is Check that each module is receiving a frame.
  • Page 43 Recommended Action LED flashes to indicate that a segment is If none of the transmit LEDs transmitting a are flashing, the EMM-E6 is frame. not transmitting frames on any of the segments. If not connected to Ensure that the network is...

  • Page 44: Troubleshooting Checklist

    Chapter 4: Troubleshooting TROUBLESHOOTING CHECKLIST If your EMM-E6 is not operating properly, the following checklist describes some of the problems that may occur with the EMM-E6 installed in an MMAC, possible causes for the problem, and suggestions for resolving the problem.
  • Page 45 NVRAM may be defective. EMM-E6 Installation Guide Troubleshooting Checklist Recommended Action Refer to EMM-E6 Local Management Guide for Community Names table setup. Refer to EMM-E6 Local Management Guide for IP address Setup Screen information. Check link to device for validity and proper functioning of all intermediary devices.
  • Page 46 EMM-E6 to detect a looped condition. Recommended Action Replace AUI cable. Replace EPIM. See Chapter 3, Installation, for details. Disable SQE. Discuss these configurations with Cabletron Technical Support before implementing them into your network. EMM-E6 Installation Guide...

  • Page 47: Using The Reset Switch

    USING THE RESET SWITCH The EMM-E6 incorporates a recessed reset switch, located above the LANVIEW LEDs (See Chapter 2, Controls and Indicators, for location). This reset switch initializes the EMM-E6 processor. This switch does not initialize Non-Volatile Random Access Memory (NVRAM), the non-volatile random access memory where the EMM-E6 stores network management parameters.
  • Page 48 Chapter 4: Troubleshooting EMM-E6 Installation Guide...

  • Page 49: A.2 Operating Specifications

    This appendix lists some of the important specifications and specified requirements for the EMM-E6. Cabletron Systems reserves the right to change these specifications at any time and without notice. PHYSICAL SPECIFICATIONS Dimensions: Weight (unit): Weight (as shipped): OPERATING SPECIFICATIONS Internal Processor(s):...

  • Page 50: A.3 Environmental Requirements

    Generic Equipment Requirements EMC and Electrical Safety Generic Criteria for Network Telecommunications Equipment Connection Attitude From COM 2 port From COM 2 port To COM 2 port To COM 2 port From COM 2 port To COM 2 port EMM-E6 Installation Guide...

  • Page 51: Locating Brim Connectors

    LOCATING BRIM CONNECTORS This section points out Bridge Router Interface Module (BRIM) connector locations on your EMM-E6 board. Refer to your BRIM Guide for specific installation procedures and additional information. The following diagram (Figure B-1) shows BRIM connector locations for...

  • Page 52: B.2 Adding Epim S

    1. Remove the coverplate or the existing EPIM (whichever applies). 2. Slide your new EPIM into place, making sure the connectors on the rear of the module and inside the EMM-E6 attach properly. Refer to Figure B-2. 3. Secure the EPIM to the EMM-E6 by tightening the mounting screw.

  • Page 53: B.3.1 Locating Simms

    Representative. B.3.1 Locating SIMMs Each memory type has a specific SIMM slot location on the EMM-E6 motherboard. When installing SIMM boards, make sure that you place them in their proper slots. Figure B-3 illustrates the EMM-E6 SIMM slot locations and the direction (indicated by the white arrow) in which to install the SIMMs.

  • Page 54: B.3.2 Installing Simms

    Appendix B: Upgrading the EMM-E6 B.3.2 Installing SIMMs The EMM-E6 uses an angle-down slot (where the SIMM rotates down to a horizontal locked position). Installing a SIMM in any slot is a simple two-step process. After finding the proper SIMM slot location (Figure B-3), refer to the procedures below.

  • Page 55: C.1 Network Requirements

    ETHERNET CABLING REQUIREMENTS This chapter contains general networking guidelines. Before attempting to install the EMM-E6 or any additional EPIMs or BRIMs, review the requirements and specifications outlined in this chapter. Your network installation must meet the conditions, guidelines, NOTE specifications, and requirements included in this chapter to ensure satisfactory performance of this equipment.
  • Page 56 • Impedance: Cabletron Systems 10BASE-T products work on twisted pair cable with 75 to 165 ohms impedance. Unshielded Twisted Pair cables typically have an impedance of between 85 and 110 ohms. You can also use Shielded Twisted Pair cables, such as IBM Type 1 cable, but keep in mind that this cable has an impedance of 150 ohms.

  • Page 57: Multimode Fiber Optic Network

    C.1.2 Multimode Fiber Optic Network When connecting a multimode fiber optic link segment to the EMM-E6 (using an EPIM-F1/F2), ensure the network meets the following requirements: • Cable Type: Use the following multimode fiber optic media: 50/125 m fiber optic cabling...

  • Page 58: Single Mode Fiber Optic Network

    Total propagation delay for the entire network must not exceed 25.6 s in one direction (51.2 s round trip). If the total propagation delay exceeds 25.6 s, you must use bridges or switches to re-time the signal. EMM-E6 Installation Guide...

  • Page 59: 10Base2 Coaxial Cable Network

    (e.g., finished wall plates with BNC feed-throughs), you may need to reduce the number of host connections. For special network design information, contact Cabletron Systems Technical Support. • Grounding: For safety, ground only one end of a thin coaxial cable segment.
  • Page 60 Appendix C: Ethernet Cabling Requirements EMM-E6 Installation Guide...

  • Page 61: Index

    10BASE-T C-3 connection 3-17 BNC connector usage 3-18 BRIM slot locating connectors B-1 location 2-2 EMM-E6 Installation Guide INDEX Cable requirements C-1 Coaxial cable - see 10BASE2 COM port - see Serial port Crosstalk C-2 Dimensions A-1 Dip switches - see Mode switches...
  • Page 62 Serial port location 2-2 pinout A-2 SIMMs installing B-4 location B-3 SMA connectors usage 3-15 Specifications A-1 SQE test 3-17 T-connector C-5 T-connector 3-18 Temperature requirements A-2 Testing post-installation 3-20 pre-install 3-5 Troubleshooting checklist 4-4 Weight A-1 EMM-E6 Installation Guide...

  • Page 63: Lanview Leds

    LANVIEW LEDs STBY (A, B, C, or D) (A, B, C, or D) (A, B, C, or D) (A, B, C, or D) EMM-E6 RESET STBY Description Green (Flashing): Operating properly. Red: CPU error condition. Amber: Spanning Tree Algorithm has placed...
  • Page 64 MMAC slot covers, in accordance with the installation and removal procedures for these items. 3. Slide the EMM-E6 into slots 1 and 2 of the MMAC as shown below. 4. Secure the module by tightening the knurled knobs at the top and bottom of the module.

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