Document Outline

• Installation/User’s Guide
  • Agilent J3916A HSSI WanProbe
  • Consumer Warranty Statement
  • Notice
    • © Copyright Agilent Technologies, Inc.
  • Safety Information
    • Electric Shock Hazard
    • Explosion Hazard
    • Fire Hazard
    • Indoor Use
    • Cleaning
    • Product Damage
    • Defects and Abnormal Stresses
  • Warning Symbols Used in This Book
  • Conventions Used in this Book
  • Trademarks
  • Printing History
  • Additional Help
  • Operating Restrictions
  • Contents
    • 1 Introduction 1
    • 2 Local Terminal Configuration 15
    • 3 Installation 41
    • 4 Bootp Server Configuration 71
    • 5 Probe Operation 89
    • 6 Download New Firmware 97
    • A Cables and Connectors 113
    • B Specifications 125
    • Glossary
    • Index
    • Agilent Technologies, Inc. Offices
  • Figures
  • Tables
• 1
  • Introduction
    • Introduction
      • Figure 1-1: The Probe
  • Installation and Configuration Overview
    • Local Terminal Configuration and Installation
    • Installation and Bootp Server Configuration
  • Probe Overview
    • System Overview
      • Figure 1-2: Probe System Example
    • Supported MIBs
    • Management Stations
    • Access Security
    • Table 1-1: Private MIB Access Security Privileges
  • Status LEDs
    • Front Panel LEDs
      • Figure 1-3: Front Panel LEDs
    • Rear Panel Telemetry LEDs
      • 10Base-T/100Base-TX Telemetry Interface Status LEDs
        • Figure 1-4: Rear Panel LEDs
      • Token-Ring Telemetry Interface Status LED
      • HSSI WAN Interface Status LEDs
    • CONFIG Button
    • Included Parts
      • Optional Accessories
• 2
  • Local Terminal Configuration
    • Local Terminal Configuration
  • Probe Configuration Using a Local Terminal
  • Using the Main Menu
    • 1. Connect a terminal or a personal computer (PC) emulating a terminal to the probe RS-232 connec...
    • 2. Configure the terminal for 8 bits/character, 1 stop bit, no parity, Xon/Xoff handshaking, and ...
    • 3. Connect the power cord to the probe and to a power source (either 100-120/ VAC or 220-240/VAC)...
    • 4. Start the configuration by quickly pressing the CONFIG button on the back of the probe one tim...
    • Figure 2-1: Probe Rear Panel
      • [1] Modify/View configuration values ->
      • [2] Modify/View security values ->
      • [3] Modify/View interface values ->
      • [4] Display interface summary
      • [5] TFTP Download new firmware ->
      • [6] XMODEM Download new firmware ->
      • [7] Warm start and Exit
      • [8] Cold start and Exit
    • Figure 2-2: Probe Main Menu
    • Modify/View Configuration Values
      • 1. On the Main Menu, Press 1, Modify/View configuration values. You see the Modify/View Configura...
      • [1] Autodiscovery Echo Interval (sec.)
      • [2] Date
      • [3] Time
      • [4] Time zone
      • Figure 2-3: Modify/View Configuration Values Menu
        • 2. Press a number to select a field and then type the corresponding values necessary to configure...
        • 3. Press S to save the configuration changes and return to the Main Menu.
        • 4. Press 0 to cancel your current changes and return to the Main Menu.
    • Modify/View Security Values
      • 1. On the Main Menu, press 2, Modify/View security values. You see the Modify/View Security Value...
      • [1] Allow packet capture
      • [2] Allow TFTP firmware downloads
      • [3] Allow Packet Generation
      • [4] Allow duplicate and changed IP checking
      • Figure 2-4: Modify/View Security Values Menu
        • 2. Press a number to select a field and then type the corresponding values necessary to configure...
        • 3. Press S to save your changes and return to the Main Menu.
        • 4. Press 0 to cancel your current changes and return to the Main Menu.
    • Modify/View Interface Values
      • Fast Ethernet Telemetry Interface Configuration
        • 1. On the Main Menu, Press 3, Modify/View interface values. You see the Modify/View Interface Val...
        • [1] Port
        • [2] Port Type
        • [3] IP address
        • [4] Default gateway IP address
        • [5] Subnet mask
        • [6] Physical Connector
        • [7] Link Speed
        • Figure 2-5: Modify/View Interface Values Menu (Fast Ethernet)
          • 2. Press a number to select a field and then type the corresponding values necessary to configure...
          • 3. Press S to save your configuration changes and return to the Main Menu.
          • 4. Press 0 to cancel your changes and return to the Main Menu.
      • Token-Ring Telemetry Interface Configuration
        • 1. On the Main Menu, Press 3, Modify/View Interface Values. You see the Modify/View Interface Val...
        • [1] Port
        • [2] Port Type
        • [3] IP address
        • [4] Default gateway IP address
        • [5] Subnet mask
        • [6] Token Ring Speed (Mbps)
        • [7] Ring Number
        • Figure 2-6: Modify/View Interface Values Menu (Token Ring)
          • 2. Press a number to select a field and then type the corresponding values necessary to configure...
          • 3. Press S to save the configuration changes and return to the Main Menu.
          • 4. Press 0 to cancel your current changes and return to the Main Menu.
      • HSSI WAN Interface Configuration
        • 1. On the Main Menu, Press 3, Modify/View Interface Values. You see the Modify/View Interface Val...
        • [1] Port
        • [2] Port Type
        • [3] Data Sense
        • [4] Link Type
        • [5] Clock Speed
        • Figure 2-7: Modify/View Interface Values Menu (HSSI WAN)
          • 2. Press a number to select a field and then type the corresponding values necessary to configure...
          • [1] 1Mb
          • [2] 1.5Mb
          • [3] 2Mb
          • [4] 2.5Mb
          • [5] 3Mb
          • [6] 3.5Mb
          • [7] 4Mb
          • [8] 4.5Mb
          • [9] 5Mb
          • [10] 5.5Mb
          • [11] 6Mb
          • [12] 6.5Mb
          • [13] 7Mb
          • [14] 7.5Mb
          • [15] 8Mb
          • [16] 8.5Mb
          • [17] 9Mb
          • [18] 9.5Mb
          • [19] 10Mb
          • [20] 10.5Mb
          • [21] 11Mb
          • [22] 11.5Mb
          • [23] 12Mb
          • [24] 12.5Mb
          • [25] 13Mb
          • [26] 13.5Mb
          • [27] 14Mb
          • [28] 14.5Mb
          • [29] 15Mb
          • [30] 15.5Mb
          • [31] 16Mb
          • [32] 16.5Mb
          • [33] 17Mb
          • [34] 17.5Mb
          • [35] 18Mb
          • [36] 18.5Mb
          • [37] 19Mb
          • [38] 19.5Mb
          • [39] 20Mb
          • [40] 20.5Mb
          • [41] 21Mb
          • [42] 21.5Mb
          • [43] 22Mb
          • [44] 22.5Mb
          • [45] 23Mb
          • [46] 23.5Mb
          • [47] 24Mb
          • [48] 24.5Mb
          • [49] 25Mb
          • [50] 25.5Mb
          • [51] 26Mb
          • [52] 26.5Mb
          • [53] 27Mb
          • [54] 27.5Mb
          • [55] 28Mb
          • [56] 28.5Mb
          • [57] 29Mb
          • [58] 29.5Mb
          • [59] 30Mb
          • [60] 30.5Mb
          • [61] 31Mb
          • [62] 31.5Mb
          • [63] 32Mb
          • [64] 32.5Mb
          • [65] 33Mb
          • [66] 33.5Mb
          • [67] 34Mb
          • [68] 34.1Mb
          • [69] 34.5Mb
          • [70] 35Mb
          • [71] 35.5Mb
          • [72] 36Mb
          • [73] 36.5Mb
          • [74] 37Mb
          • [75] 37.5Mb
          • [76] 38Mb
          • [77] 38.5Mb
          • [78] 39Mb
          • [79] 39.5Mb
          • [80] 40Mb
          • [81] 40.5Mb
          • [82] 41Mb
          • [83] 41.5Mb
          • [84] 42Mb
          • [85] 42.5Mb
          • [86] 43Mb
          • [87] 43.5Mb
          • [88] 44Mb
          • [89] 44.21Mb
          • [90] 44.5Mb
          • [91] 45Mb
          • [92] 45.5Mb
          • [93] 46Mb
          • [94] 46.5Mb
          • [95] 47Mb
          • [96] 47.5Mb
          • [97] 48Mb
          • [98] 48.5Mb
          • [99] 49Mb
          • [100] 49.5Mb
          • [101] 50Mb
          • [102] 50.5Mb
          • [103] 51Mb
          • [104] 51.5Mb
          • [105] 52Mb
    • Display Interface Summary
      • 1. On the Main Menu, press 4, Display Interface Summary. You see the Display Interface Summary li...
      • Figure 2-8: Display Interface Summary
        • 2. Press Enter to return to the Main Menu.
    • Modify/View Serial Port Settings
      • 1. On the Main Menu, Press 3, Modify/View Interface Values. You see the Modify/View Interface Val...
      • [1] Port
      • [2] Port Type
      • [3] Serial port IP address
      • [4] Serial port subnet mask
      • [5] Serial port speed
      • [6] Serial port mode
      • [7] Serial port hardware flow control
      • [8] Modem Init String
      • [9] Modem Hangup String
      • [10] Modem Connect Responses
      • [11] Modem No-Connect Responses
      • Figure 2-9: Modify/View Serial Port Settings Menu
        • 2. Select Interface Type and then type Serial.
        • 3. Press 1, Port and then type the Serial Port Number. You see the current serial port settings (...
        • 4. Press a number to select a field and then type the corresponding values necessary to configure...
        • 5. Press S to save the configuration changes and return to the Main Menu.
        • 6. Press 0 to cancel your current changes and return to the Main Menu.
  • Exiting the Main Menu and Restarting the Probe
    • 1. On the Main menu, Press 7 to execute a warm start or press 8 to execute a cold start.
    • 2. If you are performing the initial probe configuration, prepare the probe for installation by d...
• 3
  • Installation
    • Installation
  • Selecting a Location
  • Installing the Probe
    • Table Installation
      • 1. Attach the self-adhesive rubber feet to the bottom of the probe as marked in each corner.
      • 2. Place the probe on a flat surface (refer to the requirements as listed in “Selecting a Locatio...
    • Rack or Cabinet Installation
      • 1. Attach the installation brackets to the probe with the 10mm #M4 screws (included), using a PO...
      • 2. Position the probe in the rack (or cabinet) and slide it up or down until the rack holes line ...
      • 3. Attach the probe to the rack with the 5/8in. #1224 screws (included). Some cabinets require ...
      • Figure 3-1: Install the Probe in a Rack or Cabinet
    • Wall Installation
      • 1. Attach the installation brackets to the probe with the 10mm #M4 screws (included), using a PO...
      • 2. Attach the probe to a wood surface (minimum 1/2in. plywood or equivalent) on a wall with 5/8...
      • Figure 3-2: Install the Probe on a Wall
  • Connecting the Probe
    • Connecting to the Network (Out-of-Band)
      • Figure 3-3: Probe Rear Panel (Token-Ring Option shown)
      • Connecting to 10MB/s Ethernet Telemetry Networks
        • 1. Connect the probe’s AUI port, located on the rear panel, to the network with an AUI cable. Fig...
        • 2. Select AUI as the Physical Connector parameter from the Modify/View Interface Values menu. Ref...
        • Figure 3-4: Connecting the Probe to a 10MB/s Ethernet Network
      • Connecting to 10Base-T/100Base-TX Telemetry Networks
        • 1. Connect the probe’s 10Base-T/100Base-TX (RJ-45) port, located on the rear panel, to the networ...
        • 2. Select RJ-45 as the Physical Connector parameter from the Modify/View Interface Values menu. R...
        • 3. If you are connecting to a device that supports the auto-negotiation protocol, select Auto Neg...
        • 4. If you selected 10MB/s or 100MB/s for the Link Speed parameter, you must also select Half-Dupl...
        • Figure 3-5: Connecting the Probe to a 10Base-T/100Base-T Network
      • Connecting to Token-Ring Telemetry Networks
        • Figure 3-6: Connecting the Probe Using RJ-45 Connectors
        • Figure 3-7: Connecting the Probe using a Media Filter
        • Figure 3-8: Connecting the Probe Using Data & DB-9 Connectors
    • About the Information in the Following Sections
    • Connecting to a HSSI System (In-Band)
      • HSSI Monitor Connections
        • Figure 3-9: HSSI System
        • Figure 3-10: Close-up of the HSSI Interface
        • In-Line HSSI Connection
          • Figure 3-11: HSSI Monitor In-Line Connection
            • 1. Disconnect, at the DSU/CSU, the HSSI cable between the T3/ES DSU/CSU and the LAN router.
            • 2. Connect the HSSI cable to the left-most HSSI connector on the HSSI WanProbe.
            • 3. Connect the new HSSI cable between the DSU/CSU and the right-most connector on the HSSI WanProbe.
    • Connecting to the Serial Port (Out-of-Band)
      • Direct Connection
        • Figure 3-12: Probe Direct Connection
      • Modem Connection
        • Figure 3-13: Probe Modem Connection
        • Install the Management Station Modem
          • 1. Place the modem close enough to the management station to not violate the 50-foot RS-232C dist...
          • 2. Connect the RS-232C cable from the modem’s RS-232C port to the management station’s serial por...
          • 3. Connect the RJ-11 modular phone cable from the modem To Line port to the telephone jack.
          • 4. Connect power to the modem and turn on the modem power switch (not required for a PC internal ...
          • 5. Perform any other instructions as required by the modem manufacturer. If you have any problems...
        • Install the Probe’s Modem
          • 1. Place the modem close enough to the probe to not violate the 50-foot RS-232C distance limitation.
          • 2. Connect an RS-232C cable from the modem’s RS-232C port to the probe’s RS-232 port. A null mode...
          • 3. Connect the RJ-11 modular phone cable from the modem To Line port to the telephone jack.
          • 4. Connect power to the modem and place the modem power switch to on.
          • 5. Perform any other instructions as required by the modem manufacturer. If you have any problems...
        • Configure the Management Station and the Probe
      • Data Switch Connection
        • Figure 3-14: Probe Data Switch Connection
  • Starting the Probe
  • Verifying the Installation
    • Out-of-Band Troubleshooting
      • Ethernet Telemetry Interface
    • HSSI Troubleshooting
• 4
  • Bootp Server Configuration
    • Bootp Server Configuration
  • Probe Configuration Using a Bootp Server
    • Table 4-1: Minimum Requirements for a Bootp Server
  • Bootp Server Setup on an HP or Sun System
    • 1. Determine the IP address to be used for the probe.
    • 2. Determine the name to be used as the probe’s Domain Name Services (refer to the HP ARPA Servic...
    • 3. Make sure that the Bootp server can communicate with the probe (if they are separated by a rou...
    • 4. From the Bootp server, edit the client configuration file and enter the following parameters t...
    • 5. Start the Bootp daemon as described in “Starting the Bootp Server on an HP or Sun System” on p...
    • 6. Connect the power cord to the probe and to a power source (either 100-120/ VAC or 220-240/VAC)...
    • 7. For HP-UX systems: Log in as root, then use SAM to follow the instructions presented on the sc...
    • 8. Edit the /etc/bootptab file to configure the probe and add descriptive comments to the file fo...
    • 9. Use tail -f to check the system log file to ensure that the Bootp server responded correctly t...
    • 10. If you are using HP OpenView, you can verify that the probe has been assigned the correct IP ...
    • Starting the Bootp Server on an HP or Sun System
      • 1. Edit the file /etc/inetd.conf. Search for a line like the following and ensure that the line i...
      • 2. For HP-UX, give one of the following commands to force inetd to re-read the inetd.conf file th...
      • 3. For Solaris, determine the process ID for inetd by entering the following command:
  • Bootp Server Setup on a PC
    • 1. Insert the 3.5-inch floppy disk into your disk drive.
    • 2. Change the prompt to indicate your floppy disk drive volume and enter setup. The following scr...
    • 3. Press Return to continue. The following screen is then displayed:
    • 4. Specify the drive where you want to install the Bootp software and press Return. The default i...
    • 5. Specify the Network Operating System that you are using and then refer to either “Using Micros...
    • Using Microsoft LAN Manager
      • 1. Skip this step if you only have one LAN interface in your system (the following screen will no...
      • 2. The final screen looks like the following:
      • 3. Modify the sample bootptab configuration file and restart your computer before running the Boo...
    • Using Novell NetWare
      • 1. Press return to continue from the following screen.
      • 2. Specify the location of the NET.CFG file. The default is for the NET.CFG file to be located at...
      • 3. The final screen looks like the following:
    • Starting the PC Bootp Server
  • Configuring the Bootptab File
    • Table 4-2: Bootp Server Bootptab Files
      • 1. Enter your IP parameters into the bootptab file for each probe that you want to configure.
    • Table 4-3: Bootptab File Tags
      • 2. Save the bootptab file after you have entered parameters for all of your probes.
      • 3. Verify the bootp process by performing one of the items in Table 4-4.
    • Table 4-4: Bootp Process Verification
      • Example Bootptab File
• 5
  • Probe Operation
    • Probe Operation
  • Restarting the Probe
    • Warm Start
    • Table 5-1: Probe Data and Parameters Reset by Warm or Cold Start (Continued)
      • Cycling Power
      • Selecting the Warm Start Menu Item
        • 1. Connect a local terminal (or a PC emulating a terminal) to the probe. Refer to “Local Terminal...
        • 2. Press the CONFIG button once (on the back of the probe) to place the probe into the configurat...
        • 1. Modify/View configuration values ->
        • 2. Modify/View security values ->
        • 3. Modify/View interface values ->
        • 4. Display interface summary
        • 5. TFTP Download new firmware ->
        • 6. XMODEM Download new firmware ->
        • 7. Warm start and Exit
        • 8. Cold start and Exit
        • Figure 5-1: Probe Main Menu
          • 3. Press 7 to execute a warm start and exit the probe’s Main Menu. The warm start occurs immediat...
      • Cold Start
        • Pressing the CONFIG Button Twice
        • Selecting the Cold Start Menu Item
          • 1. Connect a local terminal (or a PC emulation a terminal) to the probe. Refer to “Probe Operatio...
          • 2. Press the CONFIG button once (on the back of the probe) to place the probe into the configurat...
          • 3. Press 8 to execute a cold start and to exit the probe’s Main Menu. The cold start occurs immed...
• 6
  • Download New Firmware
    • Download New Firmware
  • Downloading Firmware using an HP-UX Workstation and a Terminal
    • 1. “Install New Download Firmware on an HP-UX Workstation” below
    • 2. “Download Firmware to the Probe” on page101
    • Install New Download Firmware on an HP-UX Workstation
    • Download Firmware to the Probe
      • 1. Press the CONFIG button on the back of the probe once. The probe’s Main Menu, as shown in Figu...
      • 1. Modify/View configuration values ->
      • 2. Modify/View security values ->
      • 3. Modify/View interface values ->
      • 4. Display interface summary
      • 5. TFTP Download new firmware ->
      • 6. XMODEM Download new firmware ->
      • 7. Warm start and Exit
      • 8. Cold start and Exit
      • Figure 6-1: Probe Main Menu (HP-UX Workstation)
        • 2. Press 5 to display the Download Menu as shown in Figure 6-2.
        • 1. Filename to download
        • 2. tftp server IP address
        • 3. Download firmware
      • Figure 6-2: Probe TFTP Download Menu (HP-UX Workstation)
        • 3. Verify that the probe’s IP address, subnet mask, and default gateway address, as displayed at ...
        • 4. Press 1 from the Download Menu screen, and enter the filename to download.
        • 5. Press 2 and enter the IP address of the HP-UX workstation which is acting as the tftp server.
        • 6. Press 3 to download new probe firmware and wait for the probe to reboot automatically. It shou...
  • Downloading Firmware using a Networked PC and a Terminal
    • 1. “Setup TFTP Server for Downloading”
    • 2. “Download Firmware to the Probe”
    • Setup TFTP Server for Downloading
    • Download Firmware to the Probe
      • 1. Press the CONFIG button on the back of the probe once. The probe’s Main Menu, as shown in Figu...
      • 1. Modify/View configuration values ->
      • 2. Modify/View security values ->
      • 3. Modify/View interface values ->
      • 4. Display interface summary
      • 5. TFTP Download new firmware ->
      • 6. XMODEM Download new firmware ->
      • 7. Warm start and Exit
      • 8. Cold start and Exit
      • Figure 6-3: Probe Main Menu (Networked PC)
        • 2. Press 5 to display the Download menu as shown in Figure 6-4.
        • 1. Filename to download
        • 2. tftp server IP address
        • 3. Download firmware
      • Figure 6-4: Probe TFTP Download Menu (Networked PC)
        • 3. Verify that the probe’s IP address, subnet mask, and default gateway address, as displayed at ...
        • 4. Press 1, from the Download Menu screen, and enter the filename to download.
        • 5. Press 2 and enter the IP address of the networked PC which is acting as the tftp server.
        • 6. Press 3 to download new probe firmware and wait for the probe to reboot automatically. It shou...
  • Xmodem Download of Firmware
    • 1. Access the HyperTerminal Windows 95 application or a similar communications program which supp...
    • 2. Connect your PC to the probe’s RS-232 connector using a null modem cable. Refer to Appendix A,...
    • 3. Configure the terminal emulator for 8 bits/character, 1 stop bit, no parity, no flow control, ...
    • 4. Connect the power cord to the probe and to a power source (either 100-120/ VAC or 220-240/VAC)...
    • 5. Start the configuration by quickly pressing the CONFIG button on the back of the probe one tim...
    • 1. Modify/View configuration values ->
    • 2. Modify/View security values ->
    • 3. Modify/View interface values ->
    • 4. Display interface summary
    • 5. TFTP Download new firmware ->
    • 6. XMODEM Download new firmware ->
    • 7. Warm start and Exit
    • 8. Cold start and Exit
    • Figure 6-5: Probe Main Menu (XMODEM)
      • 6. Press 6 to display the XMODEM download menu shown in Figure 6-6.
      • 1. Download at 38400 baud
      • 2. Download at 19200 baud
      • 3. Download at 9600 baud
    • Figure 6-6: Probe XMODEM Download Menu
      • 7. Press 1, 2, or 3 to select the download baud rate. You receive the following message on your P...
      • 8. If you select a baud rate other than 9600, you will need to change the baud rate of your termi...
      • 9. Select Transfer and then Send File menu items from your PC’s Windows application. You will be ...
• A
  • Cables and Connectors
    • Cables and Connectors
  • HSSI Connectors and Cables
    • Table A-1: HSSI Interface Cable Pinout
  • HSSI Null Modem Cable
    • Table A-2: HSSI Null Modem Cable Pinout
  • Token-Ring Cables
    • Table A-3: Token-Ring Cable Type, Vp, and Impedance
  • Serial Port Interface Cables
    • Table A-4: Serial Port Interface Cable
  • Cable Connector Pin-Outs
    • The Probe’s RS-232 Port Pin-Out
    • Table A-5: Probe RS-232 Port Pin-Out
      • The Probe’s RS-232 Modem Cable Connectors
    • Table A-6: Probe to Modem Cable Min. Pin-Out (25-Pin to 25-Pin)
      • 25-pin Terminal/PC Cable Connectors
    • Table A-7: Probe to 25-Pin Terminal Cable Min. Pin-Out
      • 9-pin Terminal/PC Cable Connectors
    • Table A-8: Probe to 9-Pin Terminal Cable Min. Pin-Out
      • UTP Network Connector Pin-Out
    • Table A-9: UTP (Type 3) Network Connector Pin-Outs
      • STP Network Connector Pin-Out
    • Table A-10: STP (Type 1) Network Connector Pin-Outs
      • Figure A-1: Data Connector Color Coded Connection Points
• B
  • Specifications
    • Specifications
  • Network Compatibility
  • Network Connection
  • Software Standards
  • Modem
  • Dimensions
  • Weight
  • Power Requirements
  • General
  • Probe Memory Allocation
    • Figure B-1: Probe Memory Allocation
    • Glossary
    • 10Base-T
    • 100Base-FX
    • 100Base-TX
    • ADCCP (Advanced Data Communication Control Procedure)
    • Address Resolution Protocol (ARP)
    • Advanced Data Communication Control Procedure (ADCCP)
    • Agent
    • ANSI (American National Standards Institute)
    • ASCII (American Standard Code for Information Interchange)
    • AT&T
    • Auto-Negotiation
    • Bandwidth
    • Battery-backed RAM
    • BECN (Backward Explicit Notification Bit)
    • BCC (Block Check Characters)
    • Bit Error Rate
    • Bit Rate
    • Block Error Rate
    • Block Errors
    • Block Sizes
    • BOPs (Bit Oriented Protocols)
    • bps
    • Bridge
    • Broadcast address
    • Broadcast packet
    • CBR (Constant Bit Rate Service)
    • CCITT
    • Collision
    • Combined LCN (Combined Logical Channel Number)
    • Concentrator
    • Congestion
    • Console
    • Control field
    • COP (Character-oriented protocol)
    • CRC (Cyclic Redundancy Check)
    • CSMA/CD (Carrier Sense Multiple Access/Collision Detection)
    • CSU (Channel Service Unit)
    • Customer Premises Equipment (CPE)
    • Data Link Layer
    • Default Gateway Address
    • Discard Eligibility Bit (D/E)
    • DLCI (Data Link Connection Identifier)
    • DCE (Data Circuit-terminating Equipment)
    • DRAM
    • DSU/CSU (Data Service Unit/Channel Service Unit)
    • DTE (Data Terminal Equipment)
    • EIA-232D
    • Encapsulation
    • Equipment
    • Equipment Build Out
    • Errored Seconds
    • ESF (Extended Superframe Format)
    • Ethernet
    • EtherTwist
    • Extended LAN
    • FCS (Frame Check Sequence)
    • Flash EPROM
    • Forward Explicit Notification Bit (FECN)
    • Frame
    • Frame Check Sequence (FCS)
    • Frame Relay
    • Fs (Signal Framing)
    • Ft (Terminal Framing)
    • Full-duplex
    • Gateway
    • Half-duplex
    • HDLC (High Level Data Link Control)
    • Header
    • I-frame
    • IEEE 802.3 standard
    • IEEE 802.5 Standard
    • IP Address (Internet Protocol Address)
    • LAN (Local Area Network)
    • LAN cable
    • LAP-F (Link Access Procedure, Frame-Relay)
    • Layer
    • LCI (Logical Channel Identifier) also called Combined LCN
    • Leased Line
    • Leased Line
    • Line
    • Line Build Out
    • LMI (Local Management Interface)
    • Longitudinal Redundancy Check (LRC)
    • MAC address
    • Manager
    • Management station
    • Mark
    • MAU (Medium Attachment Unit)
    • Mbps
    • Media Filter
    • Metropolitan Area Network (MAN)
    • MIB (Management Information Base)
    • Monitor
    • MsAU (Media station Access Unit)
    • N(R)
    • N(S)
    • NetMetrix
    • Network Element (NE)
    • Network Equipment
    • Network Layer
    • Nibble
    • NRZI (Non-Return to Zero Invert)
    • Object
    • Octet
    • Octet
    • OSI
    • P/F (Poll/Final bit)
    • P(R)
    • P(S)
    • Packet
    • Packet Switching
    • Permanent Virtual circuit
    • Physical Layer (PL)
    • Point-to-point configuration
    • PPP (Point to Point Protocol)
    • Private MIB
    • Probe
    • Protocol
    • PVC (Permanent Virtual Circuit)
    • Ring
    • RMON MIB (Remote Network Monitoring MIB)
    • S-frame
    • SAM (System Administration Manager)
    • SDLC (Synchronous Data Link Control)
    • Server
    • Signal Framing (Fs)
    • SIMM (Single Inline Memory Module)
    • Simple Network Management Protocol (SNMP)
    • SLIP (Serial Line Internet Protocol)
    • Station
    • STP (Shielded Twisted Pair)
    • Subnet Mask
    • SVC (Switched Virtual Circuit)
    • Synchronous Data Link Control (SDLC)
    • TE
    • Telemetry Port
    • Terminal
    • ThickLAN
    • Token
    • Token-Ring
    • Token-Ring Cable
    • Topology
    • UTP (Unshielded Twisted Pair)
    • Vertical Redundancy Check (VRC)
    • Virtual Circuit
    • Vp (nominal Velocity of Propagation)
    • WAN (Wide Area Network)
    • WanProbe
    • Wide Area Network (WAN)
  • Index
    • Symbols
    • Numerics
    • A
    • B
    • C
    • D
    • E
    • F
    • H
    • I
    • L
    • M
    • N
    • O
    • P
    • R
    • S
    • T
    • V
    • W
    • X
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