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DEC DECswitch 900ET Installation And Configuration Manual

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DECswitch 900ET
Installation and Configuration
Part Number: EK-DETER-IN. A01
March 1996
This book describes how to install and configure the DECswitch 900ET module.
Revision/Update Information:
This is a new document.

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  • Page 1 DECswitch 900ET Installation and Configuration Part Number: EK-DETER-IN. A01 March 1996 This book describes how to install and configure the DECswitch 900ET module. Revision/Update Information: This is a new document.
  • Page 2 © Digital Equipment Corporation 1996. All rights reserved. The following are trademarks of Digital Equipment Corporation: DEC, DECswitch, DECconnect, DEChub, DECnet, Digital, clearVISN, MultiSwitch, ThinWire, and the DIGITAL logo. AppleTalk is a registered trademark of Apple Computer, Inc. Novell and IPX are registered trademarks of Novell, Inc.

  • Page 3: Table Of Contents

    What is the DECswitch 900ET? ........
  • Page 4 3 Installing the Setup Port Cable Overview ..............3-1 Signaling Standards.
  • Page 5 Problem Solving Using LEDs ........... .A-3 B Connector and Pin Assignments Overview .

  • Page 7: Preface

    Overview About this Manual This manual describes how to install the DECswitch 900ET in a DEChub 900 MultiSwitch. (How to install the DECswitch 900ET in the DEChub ONE docking station is described in the DEChub ONE Installation manual.) This manual also...

  • Page 8: Organization

    Organization This manual is organized as follows: Section Description Provides an overview of the DECswitch 900ET, describes its features, and lists front and back panel features. Provides instructions for installing the module in a DEChub 900 MultiSwitch. Provides instructions for installing the setup port cable.

  • Page 9: Associated Documents

    Associated Documents The following documents provide information relating to the module. To order any of these documents, refer to the section titled How to Order Additional Documentation. Title and Order Number Description clearVISN Overview and Provides an overview and concepts for Concepts clearVISN.
  • Page 10 Title and Order Number Description Distributed Routing Provides detailed reference information Software Router Protocols about the micro-operating system structure Reference Guide and the protocols and interfaces that the AA-QL2CB-TE bridging routers support. Systems Network Architecture Supports IBM’s Systems Network Guide Architecture (SNA) and Data Link Switching AA-QU5SA-TE (DLSw).

  • Page 11: Conventions And Terms

    Conventions and Terms Overview This book uses the following conventions and terms: Convention Description Indicates user input Bold Type Indicates system output Monospaced Type 16.20.54.156 The format of an IP address is the standard 4- octet dotted decimal notation, where each octet of the address is represented as a decimal value, separated by a decimal point (.).

  • Page 12: Correspondence

    Documentation Project Manager FAX: (508) 486-6093 E-MAIL: doc_quality@lkg.mts.dec.com Online Services To locate product specific information, refer to the following online services: To read the Bulletin Board System, set your modem to 8 bits, no parity, 1 stop bit and dial 508-486-5766 (U.S.)

  • Page 13: How To Order Additional Documentation

    To order additional documentation, use the following information: To Order: Contact: By Telephone Continental USA: 1-800-DIGITAL (1-800-344-4825) Canada: 1-800-267-6215 Alaska, New Hampshire, and Hawaii: 1-603-884-6660 Electronically Dial 1-800-DEC-DEMO (USA. only) (For assistance, call 1-800-DIGITAL) By Mail DIGITAL EQUIPMENT CORPORATION (USA and P.O. Box CS2008 Puerto Rico)

  • Page 15: Safety

    Safety Overview Any warning or caution that appears in this manual is defined as follows: WARNING Contains information to prevent personal injury. CAUTION Contains information to prevent damage to equipment. VORSICHT Enthält Informationen, die beachtet werden müssen, um den Benutzer vor Schaden zu bewahren. ACHTUNG Enthält Informationen, die beachtet werden müssen, um die Geräte vor Schaden zu bewahren.
  • Page 16 The warnings and cautions that must be observed for the hardware described in this manual are listed below in English, German, French, and Spanish. WARNING Do not attempt to open the module under any circum- stances - physical injury may occur. Only qualified ser- vice personnel are authorized to open the module.

  • Page 17: Product Introduction

    Chapter 1 Product Introduction Overview Introduction This chapter describes the DECswitch 900ET product and its features. In this chapter Topic Page What is the DECswitch 900ET? Features Front Panel Features Back Panel Features Product Introduction 1-1...

  • Page 18: What Is The Decswitch 900Et

    What is the DECswitch 900ET? What is the DECswitch 900ET? The DECswitch 900ET (also referred to in this manual as the module) is a bridging router. It connects two Token-Ring LANs and one Ethernet LAN. Each LAN interface can be connected either to an external LAN or to a DEChub 900 backplane channel.

  • Page 19: Features

    Features Features Your DECswitch 900ET module includes the following features. Hot Swap The module’s hot swap capability allows you to install or remove the module from a DEChub 900 without turning off the power. Configuration and Management The following configuration and management options are available: •...
  • Page 20 Features Routing Protocols The following routing protocols are supported: • IP. The IP routing protocols are as follows: –– OSPF (Open Shortest Path First) –– RIP (Routing Information Protocol) –– EGP (Exterior Gateway Protocol) –– IS-IS (Integrated Intermediate System to Intermediate System) ––...
  • Page 21 Features Token Ring/Ethernet The following Token Ring and Ethernet support is available: • Two Token Ring ports and one IEEE 802.3/Ethernet LAN port. • Translation between Token Ring and IEEE 802.3/Ethernet frame formats for direct, transparent connections. SNMP The following SNMP support is available: •...

  • Page 22: Front Panel Features

    Front Panel Features Front Panel Features Table 1-1 describes the LED indicators and connectors on the front panel (Figure 1-1) of the DECswitch 900ET. Table 1-1: Front Panel Features and Descriptions Item Icon/Port Name Description Power LED On = the module has power.
  • Page 23 Front Panel Features Figure 1-1: Front Panel LEDs and Connectors Product Introduction 1-7...
  • Page 24 Front Panel Features Table 1-1 (Cont.): Front Panel Feature Descriptions Item Icon/Port Name Description TKR/1 On = front panel Token Ring (Connector interface selected. Select) Off = not selected. TKR/1 Reserved for future use. (BackPlane Select) TKR/1 A (Ring A) Reserved for future use.

  • Page 25: Back Panel Features

    Back Panel Features Back Panel Features Table 1-2 lists the features on the back panel (Figure 1-2) of the DECswitch 900ET. Table 1-2: Back Panel Features and Descriptions Item Name Description Locking tab Locks the module into the DEChub 900 and engages the power switch.
  • Page 26 Back Panel Features Figure 1-2: Back Panel Layout 1-10 Product Introduction...

  • Page 27: Installing The Module

    Overview Introduction This chapter describes how to install the DECswitch 900ET in a DEChub 900 MultiSwitch. To install a module in a DEChub ONE docking station refer to the DEChub ONE Installation manual or the DECswitch 900ET Quick Start card.
  • Page 28 Installing the Module in a DEChub 900 Installing the Module in a DEChub 900 The DECswitch 900ET hot-swap feature allows you to install the module into a DEChub 900 without turning off power. Seating the module initiates the module's power up sequence if enough power is available.

  • Page 29: Task 1: Compare The Power Ratings

    Task 1: Compare the Power Ratings Task 1: Compare the Power Ratings Compare the module’s power ratings (1) with the values shown in the Hub Manager Status display (2) (see Figure 2-1). If the power values on the module’s manufacturing label do not exceed the values shown in the Hub Manager status display, go to Task 2.

  • Page 30: Task 2: Seat The Module Into The Dechub 900

    Task 2: Seat the Module into the DEChub 900 Task 2: Seat the Module into the DEChub 900 To seat the module, perform the following steps (refer to Figure 2-2). Step Action Place the module’s mounting tab into a mounting slot (1) on the DEChub 900.

  • Page 31: Task 3: Verify Initial Led Operation

    After the module completes self-test, the Module OK LED lights and remains lit. After the module completes its initialization process, the Hub Manager status display shows one of the following: DECswitch 900ET/MP DECswitch 900ET/IP NOTE Refer to Appendix A, Problem Solving, if the LEDs do not operate as described.

  • Page 32: Task 4: Connect The Cables

    Task 4: Connect the Cables Task 4: Connect the Cables Depending on your network configuration requirements, connect the appropriate Token Ring cables, Ethernet cable and UTP/STP cables. If you are not utilizing the DEChub 900 backplane for network connections, then this task is necessary. See your network manager if you are not sure which cables to connect.
  • Page 33 Task 4 (Cont.): Connect the Token Ring (9-pin) Cable Task 4 (Cont.): Connect the Token Ring (9-pin) Cable To connect the Token Ring (9-pin) cable connector for the 150-ohm STP, complete the following steps (see Figure 2-4). Step Action Insert the plug into the connector. Using a flat headed screwdriver, tighten the two screws on the sides of the connector.
  • Page 34 Task 4 (Cont.): Connecting the Token Ring (UTP) Cable Task 4 (Cont.): Connecting the Token Ring (UTP) Cable To connect the UTP cables for the 100-ohm UTP, complete the following steps (see Figure 2-6). Step Action Align the release tab on the cable plug (1) with the keyway on the module's Token Ring UTP port connector.
  • Page 35 Task 4 (Cont.): Connect the AUI Ethernet Cable Task 4 (Cont.): Connect the AUI Ethernet Cable To connect the AUI Ethernet cable, complete the following steps (see Figure 2-6). Step Action Push the module's AUI connector slide latch up (1) to the unlocked position.
  • Page 36 Task 4 (Cont.): Connecting the Ethernet (10BaseT) Cable Task 4 (Cont.): Connecting the Ethernet (10BaseT) Cable The DECswitch 900ET module uses a straight-through 10BaseT 8-pin MJ port connector for the 100-ohm UTP. Select the appropriate cable type (crossover or straight-through) to ensure that the module's transmit/receive signals connect correctly to the transmitter/receiver of the connected device.
  • Page 37 Task 4 (Cont.): Connecting the Ethernet (10BaseT) Cable To connect the 10BaseT cables, complete the following steps (see Figure 2-6). Step Action Align the release tab on the cable plug (1) with the keyway on the module's 10BaseT port connector. Insert the plug into the connector (2), ensuring that the release tab snaps into the locked position.

  • Page 39: Installing The Setup Port Cable

    Chapter 3 Installing the Setup Port Cable Overview Introduction This chapter describes how to connect the DECswitch 900ET module to the setup port on a DEChub 900 MultiSwitch or a DEChub ONE docking station. In this chapter Topic Page Signaling Standards...

  • Page 40: Signaling Standards

    Signaling Standards Signaling Standards Signals from the DEChub 900 Hub setup port and from the DEChub ONE docking station setup port conform to the EIA-232D signaling standard at 9600 baud. To the user, the port appears as a data terminal equipment (DTE) device. The DEChub 900 Hub Manager setup port is compatible with devices that use the EIA- 423 signaling standard.

  • Page 41: Connecting The Setup Port

    Connecting the Setup Port Connecting the Setup Port To connect the setup port on the DECswitch 900ET module, complete the following steps: Step Action Ensure that the transmit and receive baud rates on the setup port device are set to 9600 baud.
  • Page 42 Connecting the Setup Port Figure 3-1: Device, Cable and Connector Identification After all cables are connected, go to one of the following chapters. Go to Configure the router in a DEChub ONE Chapter 4 Configure the router in a DEChub 900 Chapter 5 3-4 Installing the Setup Port Cable...

  • Page 43: Setting Up And Configuring The Module In A Dechub One

    Setting Up and Configuring the Module in a DEChub ONE Overview Introduction This chapter describes how to set up and configure your DECswitch 900ET when it is installed in a standalone DEChub ONE docking station. In this chapter Topic Page...

  • Page 44: Accessing The Setup Port

    • A default gateway Use Telnet to configure interfaces. The setup port provides menus that allow you to access the DECswitch 900ET. Setup menus allow you to minimally setup the module for basic connectivity. After setup, you can then configure the module’s software using commands provided in the back of this chapter.

  • Page 45: Using Menus To Setup The Module

    Using Menus to Setup the Module Using Menus to Setup the Module This section describes the options that are available from the DECswitch 900ET/MP INSTALLATION MENU when the module is installed in a DEChub ONE docking station. The DEChub ONE’s AUI port is not used.
  • Page 46 DECswitch900ET/MP ===================================================================== DECswitch 900ET/MP INSTALLATION MENU * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * To fully manage this router telnet to one of the following IP addresses or select item [3] below.
  • Page 47 If you selected Y, then the following additional information appears: Press Y to confirm [N]: Y About to Initialize CONFIG memory CONFIG Memory initialized Then the DECswitch 900ET/MP INSTALLATION MENU menu appears. Setting Up and Configuring the Module in a DEChub ONE 4-5...
  • Page 48 Using Menus to Setup the Module [2] Restart with Current Settings This option restarts the module but leaves the module's configured nonvolatile configuration storage parameters at their current values. NOTE Allow approximately 1 minute for the module to restart. The following example shows the dialog associated with this option. Enter selection: DECswitch900ET/MP =============================================================...
  • Page 49 Speed 9600 bps ------------------------------------------------------------------- Token Ring Speed (TKR/0) : 16 Mbps NOTE: All settings will be valid after restart of DECswitch 900ET ==================================================================== Press Return for Main Menu ... Setting Up and Configuring the Module in a DEChub ONE 4-7...
  • Page 50 Using Menus to Setup the Module [4] IP Configuration The IP Configuration option provides you with 5 selections. The following example shows the dialog associated with this option. Enter selection: 4 DECswitch900ET/MP =================================================================== IP CONFIGURATION * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Configuration will not take effect until module is restarted.
  • Page 51 Using Menus to Setup the Module [4] IP Configuration (Cont.) [1] Set SNMP Read/Write Community This option prompts you to enter the module's SNMP read/write community name. The following example shows the dialog associated with this option. Enter selection: DECswitch900ET/MP ==================================================================== SET SNMP READ/WRITE COMMUNITY Format:...
  • Page 52 Using Menus to Setup the Module [4] IP Configuration (Cont.) [2] Set In-Band Interface IP Address This option prompts you to change or enter the IP address and subnet mask for the in- band interface. You can only configure one in-band interface at a time. The module does not need to be configured with a subnet mask for SNMP and Telnet communications with management stations located on the same subnet as the module.
  • Page 53 DEChub ONE docking station as an alternative to normal in-band management. To enable out-of-band management, you need to assign an OBM IP address and select an OBM port speed from the DECswitch 900ET/MP INSTALLATION MENU. The module does not need to be configured with a subnet mask for SNMP and Telnet communications with management stations located on the same subnet as the module.
  • Page 54 Using Menus to Setup the Module [4] IP Configuration (Cont.) [4] Set Default Gateway This option sets the default gateway address, if necessary, for the in-band interface. This is the address of a router that the module will use when communicating to a remote host.
  • Page 55 Using Menus to Setup the Module [5] Out-of-Band Port Configuration This option lets you set the out-of-band port speed. NOTE The port speeds at both ends of the communications link must be identical. The following example shows the dialog associated with this option. Enter selection: 5 DECswitch900ET/MP ===================================================================...
  • Page 56 Using Menus to Setup the Module [5] Out-of-Band Port Configuration (Cont.) [1] Set Port Speed This option lets you select the out-of-band port speed. The factory default for this option is 9600 baud. The OBM port speed that you select must match the speed of your OBM device.
  • Page 57 Disabled. The following example shows the dialog associated with this option, if RTS is disabled. Enter selection : 2 DECswitch 900ET/MP ====================================================================== ENABLE / DISABLE OUT-OF-BAND PORT RTS Enable/Disable request to send (RTS) option allows additional control to modem communications.
  • Page 58 =================================================================== DECswitch 900 SPECIFIC MENU [1] Set Token-Ring Speed [2] Return to Main Menu =================================================================== Enter selection : [n] The following menu shows the DECswitch 900ET specific menu options. 4-16 Setting Up and Configuring the Module in a DEChub ONE...
  • Page 59 The following example shows the dialog associated with this option. Enter selection: 1 Enter Token-Ring Speed for TR0 (4, 16) [16] : Press Return for DECswitch 900ET Specific Menu ... Setting Up and Configuring the Module in a DEChub ONE 4-17...

  • Page 60: Go To Local Console

    Go to Local Console Go to Local Console You must configure the module before it is operational. There are two options that you can use to do this. The first option runs a quick configuration interactive question and answer dialog. This (qconfig) method allows fast configuration of interfaces, basic bridging, and routing protocol configuration.
  • Page 61 Go to Local Console If you type yes, then a submenu of the DECswitch 900ET/MP INSTALLATION MENU displays. DECswitch900ET/MP ============================================================= DECswitch 900ET/MP INSTALLATION MENU * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * To fully manage this device telnet to one of the following IP addresses or select item [3] below.
  • Page 62 DECswitch900ET/MP ============================================================= DECswitch 900ET/MP INSTALLATION MENU * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * To fully manage this router Telnet to one of its IP addresses or select item [3] below.

  • Page 63: Config Commands

    CONFIG Commands CONFIG Commands This section describes commands that are unique to the DECswitch 900ET. Other CONFIG commands that can be included in the configuration of the DECswitch 900ET can be found in the Distributed Routing System Software Guide. You can use two methods to configure the module: through Telnet (using commands) or setup port on the DEChub ONE (via a menu).

  • Page 64: Configuring Token-Ring Port Connection (0 Or 1)

    Configuring Token-Ring Port Connection (0 or 1) Configuring Token-Ring Port Connection (0 or 1) This section describes how to configure the Token-Ring port 0 or port 1 for front connections (connectors on the front of the module). Step Action At the Config> prompt enter: net 0 or net 1 Example: Config>net 1 At the TKR config>...

  • Page 65: Configuring Ethernet Port 2 Connection

    Configuring Ethernet Port 2 Connection Configuring Ethernet Port 2 Connection This section describes how to configure the Ethernet port 2 configuration for front connections (connector on the front of the module only). The port on the DEChub ONE is not supported. This does not apply when port 2 is configured to run on the DEChub 900 backplane.

  • Page 66: Configuring Obm

    Configuring OBM Configuring OBM This section describes how to set the OBM IP address and speed. After entering talk 6, at the Config> prompt you can set the following OBM parameters as follows: Parameter Description Default set obm ip-address Sets the out-of-band current IP-address management port IP- Example:...

  • Page 67: Configuring The Module In A Dechub 900

    Chapter 5 Configuring the Module in a DEChub 900 Overview Introduction This chapter describes how to configure your DECswitch 900ET when it resides in a DEChub 900 MultiSwitch. In this chapter Topic Page Accessing the Setup Port DEChub 900 MultiSwitch Installation Menu...

  • Page 68: Accessing The Setup Port

    • A default gateway Use Telnet to configure interfaces. The setup port provides menus that allow you to access the DECswitch 900ET. Setup menus allow you to minimally setup the module for basic connectivity. After setup, you can then configure the module’s software using commands provided in the back of this chapter.

  • Page 69: Dechub 900 Multiswitch Installation Menu

    DEChub 900 MultiSwitch Installation Menu DEChub 900 MultiSwitch Installation Menu Examples of the setup screen displays are provided in this section to aid in the description of the setup port and to display the options that are available. Because they are examples only, the displays can vary slightly from the actual screen displays on your setup port device.
  • Page 70 After you choose the Start Redirect Mode option from the DECswitch 900ET/MP INSTALLATION MENU, the screen display prompts you for a slot number (8) as shown in the following example.

  • Page 71: Using Menus To Setup The Module

    Using Menus to Setup the Module Using Menus to Setup the Module This section describes the options that are available from the DECswitch 900ET/MP INSTALLATION MENU when the module is installed in the DEChub 900 MultiSwitch. The following example shows the dialog associated with this option.
  • Page 72 DECswitch900ET/MP - slot 8 ============================================================= DECswitch 900ET/MP INSTALLATION MENU * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * To fully manage this device telnet to one of the following IP addresses.
  • Page 73 Using Menus to Setup the Module [1] Restart with Factory Defaults This option restarts the module, causing the module's configured nonvolatile configuration storage parameters to be initialized to factory default values. (To retain current values, use option [2] Restart with Current Settings.) Allow approximately one minute for the module to restart and complete self-test.
  • Page 74 Using Menus to Setup the Module [2] Restart with Current Settings This option restarts the module but leaves the module's configured nonvolatile configuration storage parameters at their current values. NOTE Allow approximately 1 minute for the module to Restart. The following example shows the dialog associated with this option. Enter selection: 2 DECswitch900ET/MP - slot 8 =============================================================...
  • Page 75 Subnet Mask Other Info Token-Ring Out-of-Band ----------------------------------------------------------------- Token Ring Speed (TKR/0) : 16 Mbps NOTE: All settings will be valid after restart of DECswitch 900ET ==================================================================== Press Return for Main Menu ... Configuring the Module in a DEChub 900 5-9...
  • Page 76 Using Menus to Setup the Module [4] IP Configuration The IP Configuration option provides you with 5 selections. The following example shows the dialog associated with this option. Enter selection: 4 DECswitch900ET/MP - slot 8 =================================================================== IP CONFIGURATION * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Configuration will not take effect until module is restarted.
  • Page 77 Using Menus to Setup the Module [4] IP Configuration (Cont.) [1] Set SNMP Read/Write Community This option prompts you to enter the module's read/write community name. The following example shows the dialog associated with this option. Enter selection: 1 DECswitch900ET/MP - slot 8 ==================================================================== SET SNMP READ/WRITE COMMUNITY Format: The format for a community name is a string,...
  • Page 78 Using Menus to Setup the Module [4] IP Configuration (Cont.) [2] Set In-Band Interface IP Address This option prompts you to change or enter the IP address and subnet mask for the in- band interface. The module does not need to be configured with a subnet mask for SNMP communications with management stations located on the same subnet as the module.
  • Page 79 Using Menus to Setup the Module [4] IP Configuration (Cont.) [3] Set Out-of-Band Interface IP Address This option prompts you to change or enter the IP address and subnet mask for the out- of-band interface. The module does not need to be configured with a subnet mask for SNMP communications with management stations located on the same subnet as the module.
  • Page 80 Using Menus to Setup the Module [4] IP Configuration (Cont.) [4] Set Default Gateway This option sets the default gateway, if necessary. This is the address of a router that the module will use when communicating to a remote host. The default gateway address must be in the same subnet as your in-band address.
  • Page 81 This option lets you select the Token Ring port speed. The following example shows the dialog associated with this option. Enter selection: 5 DECswitch900ET/MP =================================================================== DECswitch 900ET SPECIFIC MENU [1] Set Token-Ring Speed [2] Return to Main Menu =================================================================== Enter selection : [n]...
  • Page 82 The following example shows the dialog associated with this option. Enter selection : 1 Enter Token Ring Speed For TKR/0 (4,16) [16] : [n] Press Return for DECswitch 900ET Specific Menu ... 5-16 Configuring the Module in a DEChub 900...

  • Page 83: Using Telnet To Configure Interfaces

    Using Telnet to Configure Interfaces Using Telnet to Configure Interfaces You must configure the module before it is operational. To do this you must use Telnet. Once the system prompt displays, you can use one of two options to configure. The first option runs a quick configuration interactive question and answer dialog.
  • Page 84 Using Telnet to Configure Interfaces Using Commands This section describes commands that are unique to the DECswitch 900ET. Other CONFIG commands that can be included in the configuration of the DECswitch 900ET can be found in the Distributed Routing System Software Guide. You can configure the module using Telnet (via commands).

  • Page 85: Configuring Token-Ring Port Connection (0 Or 1)

    Configuring Token-Ring Port Connection (0 or 1) Configuring Token-Ring Port Connection (0 or 1) This section describes how to configure the Token-Ring port 0 or port 1 for front connections (connectors on the front of the module). Step Action At the Config> prompt enter: net 0 or net 1 Example: Config>net 1 At the TKR config>...

  • Page 86: Configuring Ethernet Port 2 Connection

    Configuring Ethernet Port 2 Connection Configuring Ethernet Port 2 Connection This section describes how to configure the Ethernet port 2 configuration for front connections (connector on the front of the module only). This does not apply when port 2 is configured to run on the DEChub 900 backplane. Step Action At the Config>...

  • Page 87: Configuring Obm

    Configuring OBM Configuring OBM This section describes how to set the OBM IP address and speed. After entering talk 6, at the Config> prompt you can set the following OBM parameters as follows: Parameter Description Default set obm ip-address Sets the out-of-band current IP-address management port IP- Example:...

  • Page 89: Removing The Module

    Removing the Module Overview Introduction This chapter describes how to remove the DECswitch 900ET from a DEChub 900 MultiSwitch. If you need instructions on how to remove the DECswitch 900ET from a standalone module, refer to the DEChub ONE Installation manual.

  • Page 90: Removing The Cables

    Removing the Cables Removing the Cables To remove cables from the module, complete the steps in the following table that is appropriate for your type of cable (see Figure 6-1). Step Action Remove 9-pin Token Ring cables, use a flat-headed screwdriver to loosen the two screws, then pull out the cable.

  • Page 91: Unseating The Module

    Unseating the Module Unseating the Module To unseat the module from the DEChub 900, complete the following steps (see Figure 6-2). Step Action Lift the release lever (1) located at the top of the DEChub 900 slot. While holding up the release lever (2), pivot the module back on its bottom mounting tab (3).

  • Page 93: A Problem Solving

    Appendix A Problem Solving Overview Introduction This appendix describes how to diagnose and solve problems with the module using the LED displays. In this chapter Topic Page LED Descriptions Problem Solving Using LEDs Problem Solving A-1...

  • Page 94: Led Descriptions

    LED Descriptions LED Descriptions The module's LEDs provide dynamic indications of the status of the module. The LEDs can be in various states (on, off, or flashing) depending on the operational status of the module or the level of activity on the network. Normal Powerup When the module’s power is initially turned on, the following events occur: Event...

  • Page 95: Problem Solving Using Leds

    Problem Solving Using LEDs Problem Solving Using LEDs When diagnosing a problem with the module, note that the problem is often indicated by the combined states of the module’s LEDs. Table A-2 lists the typical combined states of the LEDs for various error conditions that can occur during initial installation of the device, along with probable causes and corrective actions to take.
  • Page 96 Problem Solving Using LEDs Table A-2 (Cont.): Solving Problems Using LEDs Symptom Probable Cause Corrective Action Module OK LED is off. Self-test in progress. Wait for self-test to complete. Self-test failed. If the LED does not light within 60 seconds, lift the release lever momentarily to repeat the self-test.

  • Page 97: B Connector And Pin Assignments

    Appendix B Connector and Pin Assignments Overview Introduction This appendix shows the pin assignments of the connectors, cables, and adapters that are part of, or can be used with, the module. In this chapter Topic Page Connector Assignments Internal and External Crossover Configurations Connector and Pin Assignments B-1...

  • Page 98: Connector Assignments

    Connector Assignments Connector Assignments Token Ring (9-pin) Port Connector This section shows the 9-pin D-SUB connector for 150-ohm STP cables and its pin assignments. Table B-1: Token Ring (9-pin) Pin Assignments Pin No. Assignment RX+ (Ring Receive) NC (No Connect) NC (No Connect) NC (No Connect) TX+ (Ring Transmit)
  • Page 99 Connector Assignments Token Ring (8-pin MJ) Port Connector This section shows the 8-pin MJ connector for UTP type cables and its pin assignments. Table B-2: Token Ring UTP 8-pin MJ Pin Assignments Pin No. Assignment NC (No Connect) NC (No Connect) TX+ (Ring Transmit) RX+ (Ring Receive) RX- (Ring Receive)
  • Page 100 Connector Assignments AUI (15-pin) Port Connector This section shows the 15-pin Sub-D AUI connector and its pin assignments. Table B-3: AUI 15-Pin Port Connector Pin Assignments Pin No. Assignment CI- Shield CI-A DO-A DI-Shield DI-A V-Common NC (No Connect) NC (No Connect) CI-B DO-B DO-Shield...
  • Page 101 Connector Assignments 10BaseT (8-pin MJ) Port Connector This section shows the 8-pin MJ Twisted Pair connector and its pin assignments. Table B-4: Ethernet 8-pin MJ Connector Pin Assignments. Pin No. Assignment TX+ (Ring Transmit) TX- (Ring Transmit) RX+ (Ring Receive) NC (No Connect) NC (No Connect) RX- (Ring Receive)

  • Page 102: Internal And External Crossover Configurations

    Figure B-5 shows straight-through (1) and crossover cables (2) for connecting crossover (3) and straight-through (4) types of devices. The DECswitch 900ET Router uses straight-through connectors. Figure B-5: Crossover Configurations If screened cabling is required, use BN26M.

  • Page 103: C Product Specifications

    Appendix C Product Specifications Overview Introduction This appendix lists the operating specifications and the acoustical specifications for the DECswitch 900ET. In this chapter Topic Page Operating Specifications Acoustical Specifications Product Specifications C-1...

  • Page 104: Operating Specifications

    Table C-2: Connector Specifications Module Connectors DECswitch 900ET has: two 9-pin Token Ring ports for the 150-ohm STP, one 15- pin D-Sub (AUI ports), two 8-pin MJ8 UTP Token Ring ports, and one shielded 8- pin MJ (10BaseT ports) with straight through connectors.
  • Page 105 Operating Specifications Table C-3: Physical Specifications in a DEChub ONE Parameter Specification Height 4.45 cm (1.75 in) Depth 15.25 cm (6.0 in); 25.40 cm (10.0 in) with a DEChub ONE. Width 44.5 cm (17.5 in) Weight Module 3.05 lbs Module in Box (no documentation) = 4.60 lbs. Module with DEChub ONE = 6.45 lbs.
  • Page 106 Operating Specifications Table C-4: Physical Specifications in a DEChub 900 Parameter Specification Height 44.5 cm (17.5 in) Depth 15.25 cm (6.0 in) Width 4.45 cm (1.75 in) Weight Module 3.05 lbs Module in Box (no documentation) = 4.60 lbs. Shipping Carton Dimensions 50.5 x 29.3 x 10.7cm (20 x 11.625 x 4.25 in) Legend...

  • Page 107: Acoustical Specifications

    Sound Pressure Level Level L LpAm, dBA (bystander positions) Idle/Operate: Idle/Operate: DECswitch 900ET DETER-MA DECswitch 900ET & DEChub ONE DETER-MA + DEHUA Legend Current values for specific configurations are available from Digital Equipment representatives. 1 B = 10 dBA. Product Specifications C-5...
  • Page 108 Schalldruckpegel gel L LpAm, dBA (Zuschauerpositionen) Leerlauf/Betrieb: Leerlauf/Betrieb: DECswitch 900ET DETER-MA DECswitch 900ET & DEChub ONE DETER-MA + DEHUA Legend Aktuelle Werte für spezielle Ausrüstungsstufen sind über die Digital Equipment Vertretungenäerh- ltlich. 1 B = 10 dBA. C-6 Product Specifications...

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