Compaq Netelligent 2008 User Manual
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Compaq Netelligent 2008 User Manual

Compaq Netelligent 2008 User Manual

10base-t repeater
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Netelligent 2008/2016
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Summary of Contents for Compaq Netelligent 2008

  • Page 1 Netelligent 2008/2016 10Base-T Repeater User Guide...
  • Page 2 1996 Compaq Computer Corporation. All rights reserved. Printed in the U.S.A. Compaq Registered United States Patent and Trademark Office. Netelligent is a trademark of Compaq Computer Corporation. Compaq Netelligent 2008/2016 10Base-T Repeater User Guide Third Edition (August 1996) Part Number 185814-003...

  • Page 3: Federal Communications Commission Notice

    ......Federal Communications Commission Notice 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.

  • Page 4: European Union Notice

    ......Products with the CE (Community European) Marking comply with both the EMC Directive (89/336/EEC) and the Low Voltage Directive (73/23/EEC) issued by the Commission of the European Community.

  • Page 5: Table Of Contents

    Planning Repeater Installation Before You Begin ...2-1 Installation Requirements...2-1 Environmental Requirements...2-1 Electrical Requirements ...2-1 Spatial Requirements ...2-2 Twisted-Pair (UTP/STP) Wire Requirements...2-3 Repeater Expansion Port Cable...2-5 Media Expansion Port Cable...2-6 Modem Cable...2-6 System Planning Charts ...2-7 Netelligent 2008/2016 10Base-T Repeater User Guide...
  • Page 6 ......viii Chapter 3 Installing the Repeater Mounting the Repeater ...3-1 Attaching the Rubber Feet ...3-1 Rack-Mounting the Repeater ...3-1 Installing an Alternate Media Connector ...3-2...
  • Page 7 Viewing the Backup Port Configuration...4-29 Viewing Port Statistics...4-31 Changing Your Password...4-32 Downloading Firmware ...4-33 Setting Up the Modem ...4-35 Logging Out of the Management Session...4-36 SNMP Management ...4-36 Supported MIBs ...4-37 Statistics ...4-38 Traps ...4-39 Netelligent 2008/2016 10Base-T Repeater User Guide...
  • Page 8 ......Novell NMS HMI Compliance ...4-41 Out-of-Band Management (SLIP) ...4-42 Updating Flash ...4-42 Using XMODEM...4-43 Using a BOOTP and TFTP Server...4-43 Using TFTP via MIB Variables ...4-44...
  • Page 9 Preface This manual includes information about how to install, configure, and operate the Compaq Netelligent 2008/2016 10Base-T repeaters. We recommend that you read all chapters in this manual to become familiar with the repeater's features and to ensure a successful installation.

  • Page 10: Overview

    ......Chapter 1 Overview The Compaq Netelligent 2008/2016 10Base-T repeater is the ideal connectivity solution for departmental Ethernet networks that contain 8 to 160 nodes. The repeater is available in a 16-port model and an 8-port model. The repeater is easy to configure, maintain, and expand.
  • Page 11 ......1-2 Overview SNMP agent that is fully compatible with the IEEE 802.3K specification and Novell’s HMI specification.
  • Page 12 UP LINK COM PORT MDI-X UP LINK Switch Serial COM Port (for converting (for out-of-band management Port 8 to and firmware upgrade) uplinkable port) Netelligent 2008/2016 10Base-T Repeater User Guide EXPANSION Repeater Expansion Ports (for interconnecting up to 10 16-Port Repeaters)

  • Page 13: Repeater Components

    ......1-4 Overview Repeater Components This section provides an overview of the repeater’s components including the LED indicators, connection ports, and uplink switch.

  • Page 14: Rj-45 Ports

    The port is in a partitioned state. The port is in a link OK state. The port is in a receiving state. The port link state failed or there is no connection at the port. Netelligent 2008/2016 10Base-T Repeater User Guide...

  • Page 15: Repeater Expansion Ports

    ......1-6 Overview BNC Connector (Thinnet) Figure 1-4. Alternate Media Connectors BNC for Thinnet (Part Number 267064-001) DB-15 for AUI wiring (Part Number 267063-001) Fiber (Part Number 267065-001) NOTES:...

  • Page 16: Serial Com Port

    UP LINK COM PORT EXPANSION MDI MDI-X UP LINK COM PORT EXPANSION MDI MDI-X UP LINK COM PORT EXPANSION MDI-X Serial COM Port and Flash downloads) Repeater Expansion Cable (Standard Cat 3 or Higher UTP/STP) Netelligent 2008/2016 10Base-T Repeater User Guide...
  • Page 17 ......1-8 Overview Serial Port Pinouts The repeater uses five out of the nine available pins on the serial port DB-9 connector.

  • Page 18: Uplink Switch

    Lithium Battery For information about the lithium battery, see the “Notice” section at the front of this guide. UP LINK Standard MDI MDI-X "IN" Repeater Port (Default) UP LINK COM PORT EXPANSION MDI MDI-X Netelligent 2008/2016 10Base-T Repeater User Guide...

  • Page 19: Planning Repeater Installation

    Before You Begin Before you start to install the repeater, verify that this package contains the following items: Netelligent 2008 8-port or 2016 16-port 10Base-T repeater Shielded AC power cord One repeater expansion port cable (Category 3 UTP) Four adhesive-backed rubber feet...

  • Page 20: Spatial Requirements

    ......Planning Repeater Installation Frequency: 50 Hz 60 Hz Power: 0.25 A to 0.5 A maximum CAUTION: grounded outlet.

  • Page 21: Twisted-Pair (Utp/Stp) Wire Requirements

    Pin 1 at the server, Pin 2 at the repeater connects to Pin 2 at the server, and so on. Figure 2-1 shows the locations of pins on a standard RJ-45 plug on a twisted-pair cable. Never use gray satin station cable for connecting a repeater. Netelligent 2008/2016 10Base-T Repeater User Guide...
  • Page 22 ......Planning Repeater Installation Pins Figure 2-1. RJ-45 Plug Pin Locations Table 2-1 shows the wiring in a straight-through and crossover twisted-pair cable.

  • Page 23: Repeater Expansion Port Cable

    250 feet. NOTE: Do not leave cables connected at only one end. Doing so reduces performance. Table 2-2 Expansion Cable Wiring Pin Number Netelligent 2008/2016 10Base-T Repeater User Guide Pin Number...

  • Page 24: Media Expansion Port Cable

    ......Planning Repeater Installation Media Expansion Port Cable You can install any one of three different Alternate Media Connectors in the repeater's Media Expansion Port.

  • Page 25: System Planning Charts

    Unit Number Building Location Rack Mount Table Mount MAC Address IP Address Uplink Switch Setting MDI-X (default) MDI (uplinkable) Installed Alternate Media Connector None Fiber Figure 2-2. Setup and Cabling Chart Date Port Connects To Netelligent 2008/2016 10Base-T Repeater User Guide...

  • Page 26: Rack Inventory Chart

    ......Planning Repeater Installation Rack Inventory Chart Date Use this chart to record the components installed in a particular rack. Wiring Closet Number Rack Number Installer...

  • Page 27: Installing The Repeater

    To attach the brackets, position them as shown in Figure 3-1. Then secure the brackets with the screws supplied with the mounting kit. Netelligent 2008/2016 10Base-T Repeater User Guide...

  • Page 28: Installing An Alternate Media Connector

    ......Installing the Repeater Figure 3-1. Attaching the Mounting Brackets After you attach both mounting brackets, position the bracket slots over the desired holes on the rack (Figure 3-2).

  • Page 29: Setting Jumpers For A Bnc Amc

    NOTE: If there is no connection or external terminator at the BNC port, the jumper must be set to OFF; otherwise, excessive collisions will occur and adversely affect network performance. Figure 3-4 shows the AW1 jumper settings. Optional Alternate Media Connectors AUI Connector Fiber Connector (10BASE-FL) Netelligent 2008/2016 10Base-T Repeater User Guide...

  • Page 30: Inserting The Amc

    ......Installing the Repeater Figure 3-4. AW1 Jumper Settings for a BNC AMC Inserting the AMC To insert an AMC, follow these steps: 1.

  • Page 31: Connecting Twisted-Pair Cable

    Connect the other RJ-45 connector into a 10Base-T-equipped workstation. Media Expansion Port Figure 3-6. Connecting Twisted Pair Wiring 20-Pin Male Connector Alternate Media Connector UP LINK COM PORT EXPANSION MDI-X 10Base-T-Equipped Workstation Netelligent 2008/2016 10Base-T Repeater User Guide...

  • Page 32: Interconnecting Repeaters

    ......Installing the Repeater Interconnecting Repeaters Up to ten repeaters can be interconnected to form one logical repeater that supports up to 80 Ethernet ports for the 8-port repeater and up to 160 Ethernet ports for the 16-port repeater.
  • Page 33 10B2 Ethernet bus ground In/Out Serial data negative lower repeater Shared ground External bottom status indicator In/Out Serial data positive lower repeater Shared +12V Shared gnd Repeater Expansion Cable (Standard Cat 3 or Higher UTP/STP) Description Netelligent 2008/2016 10Base-T Repeater User Guide...
  • Page 34 ......Installing the Repeater 10B2_DATA 10B2_GND TXDB+ SHARE+12 TXDB SHARE+12 SHARE_GND Table 3-2 OUT Port Pinouts In/Out 10B2 Ethernet bus data...

  • Page 35: Multi-Floor Configuration

    Segment 1 via the hub expansion cable These 64 ports are Segment 2 isolated from Segment 1 and interconnected Isolated via the 16th port uplink feature Floors 1 through Segment 1 4 are located on Segment 1 Netelligent 2008/2016 10Base-T Repeater User Guide...

  • Page 36: Setting The Uplink Switch

    ......3-10 Installing the Repeater CAUTION: repeaters in the same stack (for example, interconnected repeaters installed in different buildings).

  • Page 37: Segmenting Repeaters

    Collision Domain 1. They are also cascaded together via the uplink switch and standard twisted-pair cables. See the “Setting the Uplink Switch” section in this chapter. Repeaters 4 and 5 are not isolated and form Collision Domain 2. Netelligent 2008/2016 10Base-T Repeater User Guide...
  • Page 38 ......3-12 Installing the Repeater Media Expansion Port Isolated Collision Domain 1 Media Expansion Port Media Expansion...

  • Page 39: Backup Port

    Media Expansion Port Primary Port Backup Port UP LINK COM PORT EXPANSION MDI MDI-X UP LINK COM PORT EXPANSION MDI MDI-X UP LINK COM PORT EXPANSION MDI MDI-X Netelligent 2008/2016 10Base-T Repeater User Guide 3-13 Repeater 1 Repeater 2 Repeater 3...

  • Page 40: Connecting Power

    ......3-14 Installing the Repeater Connecting Power Follow these steps to connect the repeater to power: 1.

  • Page 41: Power-On Self Test And Initialization

    A message is sent to the RS-232 port indicating an error condition. (This occurs only during initialization.) POST/initialization in progress or operating out of boot code POST failed or the repeater is faulty POST was successful and initialization is complete. repeater is Netelligent 2008/2016 10Base-T Repeater User Guide 3-15...
  • Page 42 ......3-16 Installing the Repeater The MIB variable nw2NVRAMStatus is set to error(2). These messages only indicate a NVRAM malfunction.

  • Page 43: Administration And Management

    Management This chapter contains information about SNMP management, out-of-band management using SLIP, error and fault processing, Flash updates, and other information related to the firmware for the Netelligent 2008 and 2016 repeaters. Boot and Runtime Overview The Netelligent 2008/2016 repeater firmware is divided into two distinct...

  • Page 44: Configuring The Repeater During The Boot Process

    ......Administration and Management In-band via Telnet Out-of-band via Telnet /SLIP Out-of-band via VT100;...

  • Page 45: Xmodem Text Configuration File

    IP=192.103.93.200 ;Net Mask NM=255.255.255.0 ;Default Gateway GW=192.103.93.139 ;Write Community WC=public ;SLIP IP SI=192.103.83.200 ;SLIP Mask SM=255.255.255.0 ;Flash Version; erases Flash! FV=8NW1.30 ;END The valid values for each field are shown in the following table. Netelligent 2008/2016 10Base-T Repeater User Guide...

  • Page 46: Configuration File

    ......Administration and Management If you want to modify only the repeater configuration parameters (Items 2 to 7) and not the Flash sectors, comment out or delete Item 8.
  • Page 47 Certain combinations of IP addresses and Net Masks also cause configuration errors. When the IP address (IP) is logically ANDed with the Net Mask (NM) the result cannot be equal to the SLIP IP address (SI) logically ANDed with the SLIP Net Mask (SM). Netelligent 2008/2016 10Base-T Repeater User Guide...
  • Page 48 ......Administration and Management The following combination is invalid: IP =192.103.83.200 NM =255.255.255.0 ======================================== AND=192.103.83.0...
  • Page 49 10 seconds for a response. Repeater sends a 1200 Baud modem initialization string and waits 10 seconds for a response. Repeater sends a 300 Baud modem initialization string and waits 10 seconds for a response. Netelligent 2008/2016 10Base-T Repeater User Guide...
  • Page 50 ......Administration and Management If the repeater receives a valid modem response, it knows that a modem is connected to the COM serial port.

  • Page 51: Bootp Server

    IP communications. If the repeater receives no BOOTP response, the firmware performs the same sequence using RARP requests instead of BOOTP requests. Shown below is a sample USRBOOTP file. This sample file also updates the Flash program sectors. Netelligent 2008/2016 10Base-T Repeater User Guide...
  • Page 52 ......4-10 Administration and Management global.dummy:\ :sm=255.255.255.0:\ :bf=c:\flash\nw8v101.img: # Next, define different master entries for each subnet. . . subnet105:\ :tc=global.dummy:gw=192.103.93.139: # The Hostname contains the firmware version followed by the entire...
  • Page 53 To prevent this from occurring, either assign an IP address to each repeater or set the nw2BootpRarpRequests MIB object to noBootpRarp(2), which disables the periodic BOOTP/RARP requests in Runtime and in Boot if you have Boot v1.30. Netelligent 2008/2016 10Base-T Repeater User Guide 4-11...

  • Page 54: Reverse Arp Server

    IP address. The repeater uses the response to determine the frame type to be used for IP communications. NVRAM Usage The Netelligent 2008/2016 repeaters have nonvolatile RAM (NVRAM) that stores parameters that must survive a power failure or CPU reset. The NVRAM stores the following information: Backup port information (the backup port status is configured during boot;...
  • Page 55 Routing information (5 entries; default = none) Intrusion MAC address for each of the 17 ports Intrusion Status (Disabled, Enabled, Tripped) for all 17 ports Security Password (6 characters) IPX Frame Type SAP Disable IP Frame Type Netelligent 2008/2016 10Base-T Repeater User Guide 4-13...

  • Page 56: Runtime Features

    ......4-14 Administration and Management VT100 VT100 Refresh rate Modem Initialization string up to 40 characters in length BOOTP/RARP timeout interval Maximum retry count for BOOTP/RARP Runtime Features...

  • Page 57: Intrusion Protection

    MIB variable is set to disable(1). Then set the nw2IntrusionPortStatus MIB variable to disable(1), enable(2), or tripped(3). NOTE: If the SNMP manager tries to change the settings of nw2IntrusionPortStatus when nw2SecurityStatus is set to enable(2), a PDU error occurs. Netelligent 2008/2016 10Base-T Repeater User Guide 4-15...

  • Page 58: Rj-45 Autopolarity Reversal

    Boot, it enables Autopolarity reversal when the Boot sequence completes and Runtime is executing. Resetting the repeater disables Autopolarity reversal. Supported Frame Types The Netelligent 2008 and 2016 repeaters support the following frame types: 802.3 RAW: IPX 802.2 (TYPE II): IPX 802.2 SNAP: IPX and IP...

  • Page 59: Tcp/Ip Support

    IPX Support The repeater supports IPX over ETHERNET_II, 802.3 RAW, 802.2 header with 802.3, and 802.2 SNAP header with 802.3 frame types. The default frame type used by the repeater is 802.2 over 802.3. Netelligent 2008/2016 10Base-T Repeater User Guide 4-17...

  • Page 60: Ip / Ipx Autodiscovery

    0. IP / IPX Autodiscovery The repeater supports both IP and IPX autodiscovery mechanisms. Therefore, standard management platforms such as Novell's ManageWise and HP OpenView can autodiscover the repeater.

  • Page 61: Ipx Autodiscovery

    IP Autodiscovery The repeater supports a generic IP autodiscovery used by many leading SNMP platforms (e.g. HP OpenView, SunNet Manager, and NetView 6000). IP autodiscovery uses the ARP cache of gateways or routers present on the network. The gateways and routers have ARP cache aging mechanisms that refresh the cache and remove undetected addresses, making it necessary to periodically update the cache for IP autodiscovery.

  • Page 62: Ipx-Based Smart Module Management Protocol

    (does not detect) the repeater. Hot Swapping a Repeater: When a repeater is removed from or added to an existing stack, an inter-hub communication error occurs. After the SNMP network manager re-synchronizes inter-hub communications, is sees the new stack configuration.

  • Page 63: Compaq-Specific Parameters

    ......Compaq-Specific Parameters This section contains parameters that are specific to the Netelligent 2008 and 2016 repeaters.

  • Page 64: Using Snmp (Over Ip And Over Ipx)

    Using SNMP (over IP and over IPX) Once you set the IP address for any repeater in a Netelligent 2008/2016 repeater stack, you can set the IP addresses for the remaining repeaters by making SNMP over IP requests. You must use the DOS-based SETIP.EXE utility to set the IP address of the initial repeater (see "Using IPX”...

  • Page 65: Vt100 Screens

    Backspace key (used to modify an edit field) Validates the entry. If an entry is not valid when you Lets you move the cursor forward from one field to Let you move the cursor forward from field to field Netelligent 2008/2016 10Base-T Repeater User Guide 4-23...

  • Page 66: Starting The Management Session

    ......4-24 Administration and Management Function keys, F1 through F4 Space bar (used to toggle between entries in a toggle field). The change takes place as soon as the entry appears between the angle brackets (<...
  • Page 67 NOTE: If the 20 seconds expires before you enter VT100, you must wait for the port to cycle back to the modem initialization string. 3. Within 20 seconds after the Login screen appears, enter the password. The default password is <public>. The Main menu screen appears. Netelligent 2008/2016 10Base-T Repeater User Guide 4-25...
  • Page 68 ......4-26 Administration and Management Figure 4-2. Main Menu Screen Error Messages If you enter an incorrect password, the following error message appears: ERROR: Password incorrect, please re-enter.

  • Page 69: Viewing System Information

    ERROR: The field must be in the range [0...255] The following error messages can occur if entered values are out of range: ERROR: The value is too small ERROR: The value is too large Netelligent 2008/2016 10Base-T Repeater User Guide 4-27...

  • Page 70: Viewing The Stack Configuration

    ......4-28 Administration and Management Viewing the Stack Configuration The Stack Configuration screen shows the backplane type (isolated or non- isolated), IP address, IP netmask, and default gateway for a selected unit in the stack.

  • Page 71: Viewing The Backup Port Configuration

    2. Move the cursor to the Backup Port entry field. Then enter the number of the desired backup port. 3. Move the cursor to the Action field and press the space bar until Add appears. Netelligent 2008/2016 10Base-T Repeater User Guide 4-29...
  • Page 72 ......4-30 Administration and Management 4. Press the <Enter> key. The new backup port entry appears in the backup port configuration list.

  • Page 73: Viewing Port Statistics

    To enable or disable ports, move the cursor to the Port State field for the desired port. Then press the space bar to toggle between the Enabled and Disabled option. NOTE: Refer to the glossary for definitions of these statistics. Netelligent 2008/2016 10Base-T Repeater User Guide...

  • Page 74: Changing Your Password

    ......4-32 Administration and Management Changing Your Password The Change Password screen lets you change your current password. To change your password, follow these steps: 1.

  • Page 75: Downloading Firmware

    TFTP over SLIP or Ethernet. Null modem SLIP connections can only occur at 9600 baud. SLIP connections over a remotely linked modem are available at 2400, 9600, and 19.2K baud. Figure 4-8. Download Firmware Screen Netelligent 2008/2016 10Base-T Repeater User Guide 4-33...
  • Page 76 ......4-34 Administration and Management To download firmware, follow these steps: 1.

  • Page 77: Setting Up The Modem

    The Modem Setup screen lets you enter the modem's initialization string and disable or enable auto negotiation. The default initialization string is usually adequate. For more information, refer to the modem documentation. Figure 4-9. Modem Setup Screen Netelligent 2008/2016 10Base-T Repeater User Guide...

  • Page 78: Logging Out Of The Management Session

    SNMP Management Using SNMP over IP or SNMP over IPX, an SNMP network manager can manage any unit in a Netelligent 2008/2016 repeater stack. You can set various parameters, including the write community and write protect flag, using the nws2StackTable MIB object. Modifying this object sets parameters for each repeater in a stack by sending SNMP requests to a single repeater.

  • Page 79: Supported Mibs

    Resolution Protocol), and BOOTP provide address resolution capabilities. ARP allows the dynamic mapping of IP addresses to a given hardware address. The Netelligent 2008/2016 repeater supports ICMP (Internet Control Message Protocol) as the standard for error and control message exchanges. The repeater supports IP fragmentation up to a maximum packet size of 1520 bytes.

  • Page 80: Statistics

    Statistics The Netelligent 2008 and 2016 repeaters support the following Ethernet statistics at the module (or repeater or group) level: total frames total octets...

  • Page 81: Traps

    (yes/no/not available) When you power off the repeater, the statistics listed above are cleared. Traps The Netelligent 2008 and 2016 repeaters support the following trap types: Cold Start Trap Authentication Failure Trap sent a protocol message that is not properly authenticated.
  • Page 82 ......4-40 Administration and Management Group Map Change Trap (rptrGroupMapChange) that this repeater recognizes that the stack map has changed (i.e., one or more repeaters have been added or removed).

  • Page 83: Novell Nms Hmi Compliance

    SNMP over IPX. Therefore, the firmware must support SNMP over IPX and IPX traps. IPX diagnostics are required to support the Novell If NMS discovers a repeater using IPX, it manages Netelligent 2008/2016 10Base-T Repeater User Guide 4-41...

  • Page 84: Out-Of-Band Management (Slip)

    Administration and Management Out-of-Band Management (SLIP) The Netelligent 2008/2016 repeater uses SLIP (Serial Line Internet Protocol) to provide out-of-band (remote) management via the COM serial port on the repeater's front panel. The connected repeater acts as an IP gateway, allowing...

  • Page 85: Using Xmodem

    Flash download request from the TFTP server which updates the Flash. NOTE: The BOOTP/TFTP method of updating Flash allows only a higher version of firmware to be downloaded. This prevents excessive downloads that could wear out the Flash. Netelligent 2008/2016 10Base-T Repeater User Guide 4-43...

  • Page 86: Using Tftp Via Mib Variables

    VT100 interface. See the section “VT100 Management” in this chapter. Using TFTP Over SLIP Once a SLIP connection is made to any repeater in a Netelligent 2008/2016 repeater stack, you can use TFTP to update the Flash in any or all of the repeaters in the stack, one at a time, as long as the repeaters are in the same segment.

  • Page 87: Repeater Mac Address

    ......NOTES: You can update repeaters in a Netelligent 2008/2016 repeater stack in any sequence. After the repeater with the SLIP connection is updated, it re-initializes itself and retains its SLIP connection.

  • Page 88: Appendix A Specifications

    One pair of 10Base-FL ST connectors (Part Number 267065-001 LED Indicators Power (PWR), Segmentation (SEG), and Collision (COL) status Media Expansion Port (MEP) (only on the 16-port repeater) RJ-45 port Controls Two-position (MDI/MDIX) uplink switch 16 RJ-45 ports 8 RJ-45 ports Netelligent 2008/2016 10Base-T Repeater User Guide...

  • Page 89: Physical Specifications

    ......A-2 Appendix A Serial Port Supports asynchronous data transfer through external devices Power Requirements Voltage: 120 to 240 VAC Frequency: 50 to 60 Hz...

  • Page 90: Environmental Specifications

    32 to 120 F (0 to 49 C) 5% to 95% humidity (non-condensing) Storage Environment 32 to 151 F (0 to 66 C) 5% to 95% humidity (non-condensing) 0 to 30,000 feet altitude (0 to 9 kilometers) Netelligent 2008/2016 10Base-T Repeater User Guide...
  • Page 91 The ability of a network manager to discover the node address and functionality of network devices. The 8-port and 16-port repeaters support IPX autodiscovery. The automatic disabling of a port by hardware after a specific number of consecutive collisions occur. Netelligent 2008/2016 10Base-T Repeater User Guide...
  • Page 92 ......Backplane Backup port BOOTP Boot Sectors Bridge Carrier Sense Coax, Coaxial Cable Collision The data bus connections used to interconnect different communication modules inside a networking...
  • Page 93 Novell HMI specification.. A module, switch, or repeater's ability to be added or removed from a stack without removing power from the switch or repeater. See Internet Control Message Protocol . Netelligent 2008/2016 10Base-T Repeater User Guide...
  • Page 94 ......Internet Control Message Protocol Interrepeater Communication IP Address IPX Diagnostics Jabbering Light Emitting Devices Link Test Local Area Network...
  • Page 95 A device that is attached to a network and communicates by means of the network. Any network station The electrical disconnecting of a node from a LAN at its point of connection to a repeater. The node remains physically attached. Netelligent 2008/2016 10Base-T Repeater User Guide...
  • Page 96 ......Plenum Cord Port POST Power-On Self-Test Protocol Data Unit RARP Repeater Repeater Expansion Port Reverse Address Resolution Protocol...
  • Page 97 SAP ID of 05A9 to advertise themselves as a repeater service. A segment is a separate collision domain. Each Ethernet segment supports a 10-Mb/s bandwidth. A multiple segment implementation increases the bandwidth of a local area network. Netelligent 2008/2016 10Base-T Repeater User Guide...
  • Page 98 ......Segmentation Services Advertising Protocol Stack Stack Table Telco Twisted-Pair Wire TFTP Trap Segmentation is the process of dividing a network into multiple collision domains.
  • Page 99 See Unshielded Twisted Pair. Any building communications wiring system. A room, closet or cabinet where station cable is terminated on crossconnect blocks and where the building communications system can be administered. Netelligent 2008/2016 10Base-T Repeater User Guide...
  • Page 100 Communications IP 4-9, 4-12 Configuring repeater 4-43 Console interface 4-24 CPU 4-6, 4-12 Ctrl keys 4-24 DB-15 1-2 Defective repeater 4-20 Dimensions 2-2 Distances, maximum for AMCs 2-6 DOS-based SETIP 4-21 Download Firmware screen 4-44 Downloads 2-6 Netelligent 2008/2016 10Base-T Repeater User Guide...
  • Page 101 SNMP 4-14 Hexadecimal character 4-45 HMI 1-2 HMI driver 4-41 HMI-compliant device 4-19 Hops 3-12 Hostname 4-10 HP OpenView 4-18 Hub Management Interface driver 4-41 Humidity ranges 2-1 ICMP ping 4-19 Identification information 4-26 IN port 1-1, 1-6, 2-5, 3-7...
  • Page 102 NetWorth IPX-Based Smart Module Management Protocol 4-20, 4-21 NetWorth MIB II enterprise number 4-21 autodiscovery algorithm 4-19 database 4-41 Non-administrative keystrokes 4-23 Novell HMI specification 4-41 IPX autodiscovery 4-19 NetWare server 4-41 networks 4-41 Netelligent 2008/2016 10Base-T Repeater User Guide...
  • Page 103 ......I-4 Index repeater MIB 4-39 servers 4-19 NMS 4-19, 4-22, 4-38 NVRAM 3-15 NVRAM malfunction 3-16 Nw2BootpRarpRequests MIB 4-11...
  • Page 104 4-44 Thicknet 3-2 Thinnet 1-2, 1-6, 3-2 Trap condition 4-40 Trap table 4-40 Trap table entries 4-40 Trap types 4-39 Twisted-pair 2-3, 3-5, 3-6 UDP/IP protocol stack 4-37 Uplink switch 1-1, 1-9, 3-10 Netelligent 2008/2016 10Base-T Repeater User Guide...
  • Page 105 ......I-6 Index Use function 4-24 USRBOOTP configuration file 4-43 Utilities 4-22 UTP 1-5, 2-3, 3-5 UTP port status 4-6 Version field 4-34...

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