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Compaq Netelligent 3024 User Manual

Compaq Netelligent 3024 User Manual

10base-t repeater
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Netelligent 3024/3124
10Base-T Repeater
User Guide

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Summary of Contents for Compaq Netelligent 3024

  • Page 1 Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 2: User Guide

    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 3024/3124 10Base-T Repeater User Guide Second Edition (April 1996) Part Number 185815-002...

  • 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. Compliance with these directives implies conformity to the following European Norms: EN55022 (CISPR 22) - Electromagnetic Interference EN50082-1 (IEC801-2, IEC801-3, IEC801-4) - Electromagnetic Immunity EN60950 (IEC950) - Product Safety This equipment complies with UL 1950, Second Edition;...

  • Page 5: Table Of Contents

    Using the BNC Media Option ...2-3 Using the AUI Media Option ...2-4 Using the Fiber Media Option...2-4 Chapter 3 Setting Up the Repeater Selecting a Location ...3-1 Environmental Requirements ...3-1 Electrical Requirements ...3-1 Spatial Requirements ...3-1 Netelligent 3024/3124 10Base-T Repeater User Guide...
  • Page 6 viii Connecting Power...3-2 Self-Test ...3-4 UTP Cabling Considerations...3-5 Twisted-Pair Wire Specifications ...3-5 Connecting to a Network Station...3-8 Stacking Repeaters...3-9 Disconnecting Power... 3-10 Connections Between Repeater Stacks... 3-11 Chapter 4 What Is Segmentation? Defining Ethernet Segmentation ... `4-1 Backplanes and Segmentation...4-2 Examples of Network Configurations...4-3 Example 1...4-5 Example 2...4-6...
  • Page 7 Connecting to a Modem ...6-1 Local Console Interface ...6-2 Updating Firmware ...6-3 In-Band Management...6-4 Appendix A Installing a Management Daughterboard Requirements for the Management Daughterboard...A-1 A Note About Repeater MAC Addresses...A-2 Mounting the Management Daughterboard ...A-3 Glossary Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 8: Preface

    Preface This guide describes the configuration and installation of the Compaq Netelligent 3024/3124 unmanaged and managing 10Base-T repeaters (Part Numbers 267055-001 and 267060-001, respectively). It is important to review all chapters of this publication to ensure a successful installation. Verify that this package contains the following items:...
  • Page 9 ......Preface Appendix A — Explains how to upgrade an unmanaged repeater to a managing repeater Glossary —...

  • Page 10: Overview

    Chapter 1 Overview The Compaq Netelligent 3024/3124 10Base-T unmanaged and managing repeaters provide 23 10Base-T connections and one modular connection, which can be 10Base-T (an STP/UTP module is factory installed), Thinnet, AUI, or Fiber (FOIRL). There are two models available:...

  • Page 11: Management Features

    (per port), partition status (per port) and backplane segment assignments (per eight-port segment) Compatible with Compaq's HubView Management Software and Novell's NetWare Hub Services (HUBCON) and Hub Services Manager (NMS/HMI) Complete 802.3 repeater with built-in retiming Non-volatile memory to hold configuration information in case of a...

  • Page 12: Technical Specifications

    One pair of FOIRL-compatible ST connectors (Part Number 267065-001) LED Indicators/Configuration Button Three collision/mode indicators Configuration button switch for mode select 24 multi-function LED indicators link status/activity partition status port enable/partition link integrity enable/disable Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 13: Environment

    Overview backplane segment assignment Environment Storage: 40 to 151 F; 40 to 66 C; 5% to 95% humidity (non- condensing); 0 to 30,000 feet altitude; 0 to 9 kilometers Operating Environment: 32 to 120 F; 0 to 49 C; 5% to 95% humidity (non-condensing) Front Panel and Back Panel The following are examples of a repeater front panel and back panel with...

  • Page 14: Lithium Battery

    Power Cord Connector Figure 1-2. Repeater Back Panel Lithium Battery For information about the lithium battery, see the “Notice” section of this guide. EXPANSION PORTS 68-pin Connectors for Connecting up to five 3024/3124 Repeaters Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 15: Media Connection Options

    150 meters (592 feet) on standard telephone UTP or 200 meters (656 feet) on AT&T high-performance cable, e.g., SYSTIMAX 2061. Both ends of the connection must support the extended distance feature. Optional Media Connectors Thicknet Thinnet (P/N 267063-001) (P/N 267064-001) Netelligent 3024/3124 10Base-T Repeater User Guide FOIRL (P/N 267065-001)

  • Page 16: Configuring Extended Distance For Utp Wiring

    Media Connection Options Configuring Extended Distance for UTP Wiring To set the extended distance on the UTP connector board, follow these steps: 1. Remove the two screws from the media connector faceplate and carefully pull out the board. 2. Set the AW1 jumpers as shown in the figure below. Figure 2-2.

  • Page 17: Using The Bnc Media Option

    1. Remove the two screws from the media connector faceplate and carefully pull out the factory installed UTP module board. 2. Verify that the BNC board jumpers are set correctly (ON enables the connection, OFF disables the connection). disabled enabled (default) Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 18: Using The Aui Media Option

    Media Connection Options 3. Insert the BNC media connector board, firmly connecting the 20-pin male connector to the repeater's motherboard and tighten the faceplate screws. Using the AUI Media Option Use the AUI media connector (Part Number 267063-001) to connect the repeater to a Thicknet backbone.

  • Page 19: Setting Up The Repeater

    Be sure there is a commercial power outlet within 6 feet (1.8 meters) of the repeater. If there is not, use a power strip or grounded extension cord to extend the range of the power cable. Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 20: Connecting Power

    Setting Up the Repeater WARNING: The power outlet must be a non-switched, 3-pronged, grounded outlet. Do not use a 3-to-2 pronged adapter at the outlet; using this type of adapter may result in electrical shock and/or damage to the repeater. Using the 3-to-2 adapter will also void the repeater's warranty. The electrical requirements for the repeater are as follows: * The repeater's power supply automatically adjusts to the incoming power.
  • Page 21 3. Once the repeater is powered on, be sure the LEDs perform the self-test to indicate that the repeater is operating correctly. See the “Self-Test” section in this chapter. EXPANSION PORTS Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 22: Self-Test

    Setting Up the Repeater Self-Test When a repeater is powered on, it performs a self-test. If the test is successful, all the LEDs flash yellow, then green, indicating that repeater is operating properly and had no failures. If the test is not successful, the LEDs do not flash, indicating some type of failure.

  • Page 23: Utp Cabling Considerations

    In general, the repeater is compatible with all AT&T Type D wiring (D-Inside wiring) and AT&T PDS wiring. The repeater will also operate with IBM Type 1 (two inner conductors) wiring. Netelligent 3024/3124 10Base-T Repeater User Guide...
  • Page 24 Setting Up the Repeater The wiring must be in good condition and the insulation should not be frayed or worn. The simplest way to connect a workstation to a repeater is with AT&T Type D wiring (D-Inside wiring). D-Inside wiring is convenient to use when you connect workstations that are located with the repeater.
  • Page 25 Each RJ-45 port has the following 10Base-T standard pin-out: Standard 10Base-T Pinout Repeater Pin # A straight-through cable using the pair combinations shown above provides the appropriate 10Base-T connection between the repeater and the workstation. Table 3-2 Signal Description Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 26: Connecting To A Network Station

    Setting Up the Repeater Connecting to a Network Station To connect the repeater to a network station, perform the following steps: CAUTION: Never use gray satin station cables for connecting to a repeater. This is a flat cable that is typically used for connecting telephones to wall jacks and is incompatible with 10Base-T systems.

  • Page 27: Stacking Repeaters

    One managing 3124 10Base-T repeater (Part Number 267060- 001) can manage all repeaters in a stack (up to 15 Ethernet segments). The following illustration shows five repeaters in a single stack. Never use gray satin station cables for connecting to a Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 28: Disconnecting Power

    3-10 Setting Up the Repeater Figure 3-6. Repeaters Connected via the Media Expansion Cable Disconnecting Power When you reconfigure a stack (add new repeaters, remove repeaters, or change repeater positions), be sure you disconnect the power cords from all affected repeaters. WARNING: Do not connect or disconnect the media expansion cables while the repeaters are powered on.

  • Page 29: Connections Between Repeater Stacks

    Collision 2 Mode 2 SEGMENT 2 UPLINK PORT 24 Collision 3 Mode 1 - BACKPLANE PORT/SEGMENT Mode 2 - LINK DISABLE CONFIGURATION Mode 3 Mode 3 - PARTITION UPLINK SEGMENT 3 PORT 24 Netelligent 3024/3124 10Base-T Repeater User Guide 3-11...
  • Page 30 ......3-12 Setting Up the Repeater Stack A Stack B Stack C Figure 3-8.

  • Page 31: What Is Segmentation

    Figure 4-1). You can also combine or separate port groups into multiple backplane segments. See “Backplanes and Segmentation.” You can connect (stack) up to five repeaters to support up to 15 independent segments and 120 ports of connectivity. Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 32: Backplanes And Segmentation

    4-2 What is Segmentation? Marketing Ethernet Network on Segment 1 Figure 4-1. Ethernet Segmentation Backplanes and Segmentation A backplane is the data bus connection that interconnects different network communication devices. The repeater can access two different types of backplane segments: Standard—All repeaters can access five standard backplane segments.
  • Page 33 LED 11=Standard Segment 3 LED 12=Standard Segment 4 LED 13=Standard Segment 5 LED 14=Standard Segment 6 LED 15=Standard Segment 7 LED 16=Standard Segment 8 Netelligent 3024/3124 10Base-T Repeater User Guide Port Group (Ports 17-24) LED 17=Standard Segment 1 LED 18=Standard...

  • Page 34: Examples Of Network Configurations

    4-4 What is Segmentation? Examples of Network Configurations The following sections of this chapter provide examples of network segmentation. For actual configuration instructions, see chapter 5. The following example are presented: Assigning different backplane segments for each port group Assigning port groups to standard backplane segments Assigning multiple backplane segments Creating separate networks via backplane segment connections Assigning port groups to independent local backplane segments...

  • Page 35: Example 1

    Ports 9-16 can communicate with each other, but not with any other ports in the repeater. Ports 17-24 can communicate with each other, but not with any other ports in the repeater Netelligent 3024/3124 10Base-T Repeater User Guide SEGMENT 3 Description...

  • Page 36: Example 2

    4-6 What is Segmentation? Example 2 Figure 4-3 shows a stack of five repeaters. Each port group in the stack is assigned to one of five standard backplane segments. Notice that port groups from one repeater are combined with port groups from other repeaters to create a network over a shared backplane segment.
  • Page 37 Segment 3. This means there are up to 40 ports available on this network. Repeaters 1-5 all have Port Group 1 (SEGMENT 1) assigned to Backplane Segment 5. This means there are up to 40 ports available on this network. Table 4-2 Description Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 38: Example 3

    4-8 What is Segmentation? Example 3 Figure 4-4 shows a repeater stack with a variety of backplane segment assignments. Some port groups in the stack are assigned to one of the five standard backplane segments; other port groups use local backplane segments. Notice that port groups from one repeater are combined with port groups from other repeaters to create a network over a shared backplane segment, while other port groups are isolated to independent local backplane segments.

  • Page 39: Example 4

    Segment 6 which is shared with the extra repeater. For uplink information, refer to chapter 3. Repeater 5 Figure 4-5. Creating Separate Networks Via Backplane Segment Connections Repeater 3 Repeater 4 Repeater 1 Repeater 2 Other R epeater (not in the stack) Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 40: Example 5

    4-10 What is Segmentation? Example 5 Figure 4-6 shows a configuration where each port group is assigned to an independent local backplane segment. There are 15 individual segments and each segment can support up to eight ports. Repeater 5 Figure 4-6. Assigning Port Groups to Independent Local Backplane Segments Repeater 3 Repeater 4 Repeater 1...

  • Page 41: Configuring/Monitoring The Repeater

    Mode 1 MEDIA EXPANSION PORT SEGMENT 1 Figure 5-1. Repeater Mode LEDs and Configuration Button Mode LEDs Collision 2 Mode 2 SEGMENT 2 Netelligent 3024/3124 10Base-T Repeater User Guide Configuration button Collision 3 Mode 3 SEGMENT 3 UPLINK PORT 24...

  • Page 42: Note For Hubview Users

    5-2 Configuring/Monitoring the Repeater Note for HubView Users In addition to configuring the repeater with its configuration button, you can also configure the repeater from a management station that is running Compaq's HubView Network Management System. If HubView manages the repeater, refer to the HubView documentation for more information.

  • Page 43: Port Activity Monitor (Default Mode)

    Mode 1 Port LEDs (1-24) GREEN - shows the backplane segment number (1-8) for each port group Ports 1-8: Port Group 1 Ports 9-16: Port Group 2 Ports 17-24: Port Group 3 Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 44: Switching Between Modes

    5-4 Configuring/Monitoring the Repeater LEDs Collision/Mode 1-3 Ports 1-24 Switching Between Modes When a mode is activated, the corresponding Mode/Collision LED (1-3) is GREEN. If the repeater is in default mode, none of the Collision/Mode LEDs are GREEN. The only color the LEDs can display in the default mode is blinking YELLOW (indicating port group collision activity).
  • Page 45 Shows current backplane segment for Port Group 2 GREEN Shows current backplane segment for Port Group 3 Collision 3 Mode 3 BACKPLANE SEGMENT Port Group 3 Port Group 3 is assigned to Backplane Segment 7. Description Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 46: Backplane Segment (Mode 1)

    Configuring/Monitoring the Repeater Local—Repeaters have three additional, local (isolated) backplane segments. Backplane Segments 6-8 are confined to one particular repeater and cannot be shared with any other repeaters in the stack. NOTE: The numbers below the port LEDs (1-24) represent the port number, not the backplane segment number for each port group.
  • Page 47 7. Once all backplane segment selections are made, press and hold down the button until the Mode 1 LED blinks GREEN. The mode LED stops blinking after several seconds. 8. To return to the default mode, press the configuration button three times Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 48: Link Integrity Enable/Disable (Mode 2)

    Configuring/Monitoring the Repeater Link Integrity Enable/Disable (Mode 2) Most pre-10Base-T equipment does not support link integrity. If a port connects to such equipment, you should disable link integrity. The configuration button lets you disable or enable link integrity. When you select the Link Integrity mode, the Collision/Mode LED 2 is GREEN.

  • Page 49: Enabling And Disabling Link Integrity

    Mode 2 LED blinks GREEN. The mode LED stops blinking after several seconds Table 5-4 Mode 2 Example LED Color Description GREEN Link Integrity mode is active Link integrity enabled GREEN Link integrity disabled Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 50: Port Enable/Partition (Mode 3)

    5-10 Configuring/Monitoring the Repeater 8. To return to the default mode, press the configuration button two times. NOTE: To enable link integrity to a disabled port, perform the above procedure. At Step 5, the LED alternately blinks YELLOW and OFF to indicate that the selection has been stored.

  • Page 51: Enabling And Partitioning Ports

    5. Repeat Steps 4 and 5 to partition additional ports. Table 5-5 Mode 3 Example LED Color Description GREEN Port Enable/Partition mode is active. Port is enabled. GREEN Port is partitioned. Netelligent 3024/3124 10Base-T Repeater User Guide 5-11...
  • Page 52 5-12 Configuring/Monitoring the Repeater 6. Once all the changes are made, press and hold down the button until the Mode 3 LED blinks GREEN. The mode LED stops blinking after several seconds. 7. To return to the default mode, press and release the configuration button once.

  • Page 53: Using The Serial Com Port

    Figure 6-1 shows a connection to Hayes-compatible modems. The serial cable must have a female DB-9 connector on one end and a male connector at the other end. The cable should not be more than 50 feet in length. Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 54: Serial Com Port

    Using the Serial COM Port Female DB-9 Collision 1 Serial Port Mode 1 MEDIA EXPANSION PORT Figure 6-1. Remote Link Connections via Modems Figure 6-2 shows a connection to a PC using a null modem, which is required to cross-connect the RS-232 signals between the repeater and the PC. Modem Modem Collision 2...

  • Page 55: Local Console Interface

    Male DB-25 Collision 2 Collision 3 Mode 2 Mode 3 SEGMENT 1 SEGMENT 2 Mode 1 - BACKPLANE PORT/SEGMENT Mode 2 - LINK DISABLE CONFIGURATION Mode 3 - PARTITION UPLINK SEGMENT 3 PORT 24 Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 56: Updating Firmware

    Using the Serial COM Port 3. Power OFF the 3124 10Base-T managing repeater and then power it back ON. This allows the repeater to perform a status check. The PC monitor now displays the MAC address, board status, and firmware version.

  • Page 57: In-Band Management

    If there is a BOOTP server on the network set up for the 3124 10Base-T managing repeater, the information supplied by the server supersedes the information stored in non-volatile memory. The 3124 10Base-T managing repeater can manage only 3024 10Base-T repeaters. Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 58: Installing A Management Daughterboard

    Compaq reseller. When you receive your kit, be sure the following items are included: One management daughterboard Two hex standoff screws Two 1/4-inch Phillips 4-40 screws Two hex jack screws with washers The following equipment is needed for installation: Phillips screwdriver Hex jack screwdriver Netelligent 3024/3124 10Base-T Repeater User Guide...

  • Page 59: A Note About Repeater Mac Addresses

    Installing the Management Daughterboard A Note About Repeater MAC Addresses The MAC address is a unique identifier assigned by the manufacturer to distinguish individual nodes. If any management software is used to manage the repeaters, remember this number when configuring IP addresses. The MAC address is printed on two different labels on the management daughterboard: (1) on the MAC address chip and (2) on the back of the management daughterboard.

  • Page 60: Mounting The Management Daughterboard

    Power Cord Connector Figure A-1. Rear View of the Repeater 2. If present, disconnect the media expansion cable(s) from the expansion ports (shown in Figure A-1). EXPANSION PORTS Media Expansion Cable Ports Netelligent 3024/3124 10Base-T Repeater User Guide...
  • Page 61 Installing the Management Daughterboard 3. Remove the six chassis screws (shown in Figure A-2) with a Phillips screwdriver. Chassis Screws (Phillips Head) Figure A-2. Removing the Repeater Cover 4. Remove the four expansion port screws (two per port) with a Phillips screwdriver.
  • Page 62 CAUTION: Be sure the management daughterboard is aligned properly and that all screws are tightened firmly into the standoffs. Otherwise, severe damage could occur to the repeater when it is powered on. 72-pin Male Connector Netelligent 3024/3124 10Base-T Repeater User Guide...
  • Page 63 Installing the Management Daughterboard 9. Insert the DB-9 connector (attached to the management daughterboard via a ribbon cable) through the back side of the faceplate until it protrudes through the front. 10. From the front side of the faceplate, insert the to hex jack screws through the serial port holes.

  • Page 64: Glossary

    Ethernet, operates on different cable types (for example, UTP, coax, fiber). Alternate Media Module An optional module that plugs into a repeater to provide an AUI, BNC, or fiber Media Expansion Port (MEP). The MEP is the 17th port. Netelligent 3024/3124 10Base-T Repeater User Guide...
  • Page 65 Address Resolution Protocol is used by the TCP/IP protocol stack to dynamically bind an IP address with a MAC address. autopartition The automatic disabling of a port by hardware after a specific number of consecutive collisions occur. backplane The data bus connections used to interconnect different communication modules inside a networking concentrator.
  • Page 66 A panel on which the leads of station cable are mounted so that a technician or the system administrator can make electrical connections between the communications devices wired to the cables. dielectric A substance that does not conduct electrical current. Netelligent 3024/3124 10Base-T Repeater User Guide...
  • Page 67 flash A memory device that allows unlimited read and limited write (about 100KB) cycles. Flash PROM in the repeater contains the boot sectors (hardware write-protected), an SNMP information sector, and the Flash program sectors. Ethernet II Ethernet II or DIX was defined by Digital, Intel, and Xerox. The frame format for Ethernet II differs from that of 802.3 in that the header specifies a packet type instead of the packet length.
  • Page 68 The 8-port and 16-port repeater SAP packets will use a hex SAP ID of 0239 (HMI services) and a hex SAP ID of A905 (10Base-T Repeater services; used to display the correct icon on the NMS segment map). Netelligent 3024/3124 10Base-T Repeater User Guide...
  • Page 69 SAP ID The SAP ID is used to identify the type of services available by a server. The 8-port and 16-port repeaters use a hex SAP ID of A905 to advertise themselves as a repeater service. Internet Control Message Protocol (ICMP) Provides error handling and control messages for TCP/IP.
  • Page 70 The MEP (the 17th port) provides an AUI, BNC, or fiber connection. Management Information Base (MIB) Describes an agent's configuration flexibility, diagnostic ability, and information that can be reported to a network management station. Netelligent 3024/3124 10Base-T Repeater User Guide...
  • Page 71 modular cord A cord containing four twisted pairs of wires, with a modular plug on one or both ends. module The component that provides connectivity ports for the LAN. Modules are installed in larger systems, called concentrators. Network Interface Connector (NIC) A card which plugs into a device and allows it to be connected to a network.
  • Page 72 The EIA (Electronics Industry Association) recommended Standard 232 defines a standard way of transferring serial information by wire using single-ended line drivers and receivers. RS-232 lines generally include transmit, receive, ground and various control lines. Netelligent 3024/3124 10Base-T Repeater User Guide...
  • Page 73 G-10 RS-485 The EIA (Electronics Industry Association) recommended Standard 485 defines a standard way of transferring serial information by wire using differential line drivers and receivers. RJ-45 A connector used for 10Base-T wiring (unshielded twisted-pair Ethernet). router A device used to connect two or more networks at the Network layer of the ISO-OSI reference model.
  • Page 74 Unshielded Twisted Pair (UTP) Cable is usually connected using RJ-45 connectors. wiring environment Any building communications wiring system. See also 66-type wiring environment. Netelligent 3024/3124 10Base-T Repeater User Guide G-11...
  • Page 75 ......G-12 wiring closet A room, closet or cabinet where station cable is terminated on crossconnect blocks and where the building communications system can be administered.
  • Page 76 Faceplate screws 2-2, 2-4 Fiber Media Option 2-4 Firmware 6-3 Firmware version 6-2 Flash PROM 1-2 FOIRL backbone 2-4 HubView 5-2 Humidity 3-1 In-band management 6-4 Insert AUI media connector board Insert BNC media connector board Netelligent 3024/3124 10Base-T Repeater User Guide...
  • Page 77 I-2 Index LEDs 1-3, 3-4 Link integrity enabling/disabling 5-8, 5-9 Location 3-1 MAC address 6-2 Management activities 1-2 Media Connection Options 2-1 Modem 6-1 Modes configuration 5-2 switching 5-4 Motherboard 2-2, 2-4 Multiple backplane segments 4-1 Network connections 3-8 Network expansion 3-9 Null modem 6-2 Optional Media Connectors 2-1 Pin male connector 2-2, 2-4...

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