Chapter 12: Ethernet Radio
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Questions and Answers

What is the main reason for using point-to-point wireless digital links between two locations?

  • When it is difficult to use OFC/CAT cable or for administrative reasons (correct)
  • To provide a more reliable wireless link
  • To minimize the cost of OFC/CAT cable
  • To increase the throughput of the wireless link

    • What is required to maximize the performance of a wireless link?

  • Non-line of sight between the two locations
  • Near line of sight between the two locations
  • Line of sight between the two locations (correct)
  • No line of sight is required

    • At what frequency do point-to-point wireless links provide a more reliable wireless link?

  • 2.4 GHz (correct)
  • 400 MHz
  • 5.8 GHz
  • 900 MHz

    • In which frequency band do point-to-point Ethernet radio equipment typically operate?

    <p>2.4 or 5.8 GHz License Free Frequency Band</p> Signup and view all the answers

    What is the regulatory body that governs the transmitted power of point-to-point Ethernet radio equipment in India?

    <p>WPC (Wireless Planning &amp; Coordination Wing of Ministry of Communication &amp; Information Technology)</p> Signup and view all the answers

    What is the typical throughput of point-to-point Ethernet radio equipment?

    <p>From 25 Mbps to 750 Mbps</p> Signup and view all the answers

    What is the maximum range of point-to-point Ethernet radio equipment?

    <p>Up to 50 Kms or even more in some cases</p> Signup and view all the answers

    What type of signals can be carried by point-to-point Ethernet radio equipment?

    <p>Voice, data or video signals</p> Signup and view all the answers

    What is the format of the output signal of point-to-point Ethernet radio equipment?

    <p>Framed or unframed, synchronous or asynchronous</p> Signup and view all the answers

    What is the main advantage of using point-to-point wireless digital links over OFC/CAT cables?

    <p>Expediency and administrative convenience</p> Signup and view all the answers

    What is the purpose of an External Antenna in the link?

    <p>To receive and transmit data wirelessly</p> Signup and view all the answers

    What is the main advantage of using Ethernet Radio for T1/E1 leased-line replacement?

    <p>It is a more cost-effective solution</p> Signup and view all the answers

    What is the primary purpose of Link Locking in Ethernet Radio?

    <p>To enhance the security of the link</p> Signup and view all the answers

    What is the preferred method of Link Locking?

    <p>MAC Address-based authentication</p> Signup and view all the answers

    What is the difference between Point to Point and Point to Multi Point Ethernet Radio?

    <p>PtP is used for point-to-point connections, while PtMP is used for point-to-multipoint connections</p> Signup and view all the answers

    What is the role of the Application Software in the Ethernet Radio link?

    <p>To configure and manage the link</p> Signup and view all the answers

    What is the benefit of using two-way locking in Ethernet Radio?

    <p>It enhances the security of the link</p> Signup and view all the answers

    What is the purpose of the Indoor Unit in the Ethernet Radio link?

    <p>To connect to the Ethernet cable</p> Signup and view all the answers

    What is the primary application of Ethernet Radio in Indian Railways?

    <p>Building-to-building and campus connectivity</p> Signup and view all the answers

    What is a key component of the Ethernet Radio link?

    <p>All of the above</p> Signup and view all the answers

    Why is it recommended to provide antennas at a certain height in point-to-point wireless digital links?

    <p>To ensure line of sight between the two locations</p> Signup and view all the answers

    What is the typical frequency range of point-to-point Ethernet radio equipment?

    <p>2.4 GHz to 5.8 GHz</p> Signup and view all the answers

    What is the main advantage of using point-to-point wireless digital links in NLOS or NLOS conditions?

    <p>Reliable wireless link</p> Signup and view all the answers

    What determines the maximum permitted power level of point-to-point Ethernet radio equipment?

    <p>WPC regulations</p> Signup and view all the answers

    What type of signals can be carried by point-to-point Ethernet radio equipment?

    <p>Voice, data, or video signals</p> Signup and view all the answers

    What is the primary purpose of point-to-point wireless digital links between two locations?

    <p>All of the above</p> Signup and view all the answers

    What is the range of throughput that can be delivered by point-to-point Ethernet radio equipment?

    <p>25 Mbps to 750 Mbps</p> Signup and view all the answers

    What is the maximum range of point-to-point Ethernet radio equipment?

    <p>Up to 50 Kms or even more</p> Signup and view all the answers

    What determines the format of the output signal of point-to-point Ethernet radio equipment?

    <p>The requirements of the application</p> Signup and view all the answers

    Why is line of sight required for point-to-point wireless digital links?

    <p>To ensure a reliable wireless link</p> Signup and view all the answers

    What is the function of the CAT-5e (or better) UV Protected Outdoor Cable in the Ethernet Radio link?

    <p>To provide both data and power from Indoor Unit to Outdoor Unit</p> Signup and view all the answers

    What is the benefit of using Ethernet Radios for Indian Railways?

    <p>To provide a variety of communication needs including Building-to-building and campus connectivity</p> Signup and view all the answers

    What is the purpose of the Outdoor Unit in the Ethernet Radio link?

    <p>To transmit and receive data wirelessly</p> Signup and view all the answers

    What is the advantage of using two-way locking in Ethernet Radio?

    <p>To ensure complete security and prevent unauthorized access</p> Signup and view all the answers

    What is the role of the Application Software in the Ethernet Radio link?

    <p>To configure the Indoor Unit and Outdoor Unit</p> Signup and view all the answers

    What is the primary purpose of Link Locking in Ethernet Radio?

    <p>To prevent the Outdoor Unit from being stolen and used as a pirate link</p> Signup and view all the answers

    What type of Ethernet Radio is used for multiple building connectivity?

    <p>Point to Multi Point (PtMP)</p> Signup and view all the answers

    What is the preferred method of Link Locking in Ethernet Radio?

    <p>MAC Authentication</p> Signup and view all the answers

    What is integrated in some models of the Outdoor Unit?

    <p>The External Antenna</p> Signup and view all the answers

    What is the function of the Indoor Unit in the Ethernet Radio link?

    <p>To connect to the External Antenna</p> Signup and view all the answers

    What is the primary component of the Ethernet Radio link that provides both Data and Power?

    <p>CAT-5e (or better) UV Protected Outdoor Cable</p> Signup and view all the answers

    What type of connectivity can Ethernet Radios provide for Indian Railways?

    <p>All of the above</p> Signup and view all the answers

    What is the purpose of Link Locking in Ethernet Radio?

    <p>To prevent theft of Outdoor Units</p> Signup and view all the answers

    What type of Authentication is preferred for Link Locking?

    <p>MAC Authentication</p> Signup and view all the answers

    What is the benefit of using two-way locking in Ethernet Radio?

    <p>To ensure complete security</p> Signup and view all the answers

    What is the role of the Application Software in the Ethernet Radio link?

    <p>To configure and manage the link</p> Signup and view all the answers

    What type of Ethernet Radio can be used for multiple building connectivity?

    <p>Point to Multi Point (PtMP)</p> Signup and view all the answers

    What is integrated in some models of the Outdoor Unit?

    <p>External Antenna</p> Signup and view all the answers

    What is the primary application of Ethernet Radio in Indian Railways?

    <p>All of the above</p> Signup and view all the answers

    What is a key component of the Ethernet Radio link?

    <p>All of the above</p> Signup and view all the answers

    When is it difficult to use OFC/CAT cables between two locations?

    <p>When the sites are to be connected in an expeditious manner</p> Signup and view all the answers

    What is the typical frequency range of point-to-point Ethernet radio equipment?

    <p>2.4 GHz or 5.8 GHz License Free Frequency Band</p> Signup and view all the answers

    What determines the maximum permitted power level of point-to-point Ethernet radio equipment?

    <p>The frequency on which the system works</p> Signup and view all the answers

    What is the main advantage of using point-to-point wireless digital links over OFC/CAT cables?

    <p>They are easier to install</p> Signup and view all the answers

    What is the role of the antennas in point-to-point wireless digital links?

    <p>To provide a clear line of sight</p> Signup and view all the answers

    What is the range of throughput that can be delivered by point-to-point Ethernet radio equipment?

    <p>From 25 Mbps to 750 Mbps</p> Signup and view all the answers

    What type of signals can be carried by point-to-point Ethernet radio equipment?

    <p>Voice, data, or video signals</p> Signup and view all the answers

    What is the purpose of providing antennas at a certain height in point-to-point wireless digital links?

    <p>To provide a clear line of sight</p> Signup and view all the answers

    What is the benefit of using point-to-point wireless digital links in NLOS or NLOS conditions?

    <p>They can work reliably in near line of sight or non-line of sight conditions</p> Signup and view all the answers

    What regulates the transmitted power of point-to-point Ethernet radio equipment in India?

    <p>WPC (Wireless Planning &amp; Coordination Wing of Ministry of Communication &amp; Information Technology)</p> Signup and view all the answers

    What is the primary purpose of using Ethernet Radios in Indian Railways?

    <p>To provide building-to-building and campus connectivity</p> Signup and view all the answers

    What is the function of the CAT-5e (or better) UV Protected Outdoor Cable in the Ethernet Radio link?

    <p>To provide data transmission between the Indoor Unit and Outdoor Unit</p> Signup and view all the answers

    What type of Authentication is preferred for Link Locking?

    <p>MAC Authentication</p> Signup and view all the answers

    What is the advantage of using two-way locking in Ethernet Radio?

    <p>It provides complete security and prevents stolen Outdoor Units from being used as pirate links</p> Signup and view all the answers

    What type of Ethernet Radio is used for multiple building connectivity?

    <p>Point-to-Multi-Point (PtMP) Ethernet Radio</p> Signup and view all the answers

    What is integrated in some models of the Outdoor Unit?

    <p>The External Antenna</p> Signup and view all the answers

    What is the primary component of the Ethernet Radio link that provides both Data and Power?

    <p>The CAT-5e (or better) UV Protected Outdoor Cable</p> Signup and view all the answers

    What is the primary purpose of Link Locking in Ethernet Radio?

    <p>To prevent stolen Outdoor Units from being used as pirate links</p> Signup and view all the answers

    What is the role of the Application Software in the Ethernet Radio link?

    <p>To configure and manage the link</p> Signup and view all the answers

    What type of connectivity can Ethernet Radios provide for Indian Railways?

    <p>Building-to-building and campus connectivity, High-speed Internet access, T1/E1 leased-line replacement, and other types of connectivity</p> Signup and view all the answers

    What is the primary reason for using point-to-point wireless digital links in near line of sight (NLOS) or non-line of sight conditions?

    <p>To overcome the limitations of OFC/CAT cables</p> Signup and view all the answers

    What is the regulatory requirement for point-to-point Ethernet radio equipment in India?

    <p>To comply with WPC standards and regulations</p> Signup and view all the answers

    What is the typical range of point-to-point Ethernet radio equipment?

    <p>Up to 50 km</p> Signup and view all the answers

    What is the format of the output signal of point-to-point Ethernet radio equipment?

    <p>Framed or unframed, synchronous or asynchronous</p> Signup and view all the answers

    What is the primary advantage of using point-to-point wireless digital links over OFC/CAT cables?

    <p>Ease of deployment</p> Signup and view all the answers

    What is the maximum permitted power level of point-to-point Ethernet radio equipment?

    <p>Specified by WPC</p> Signup and view all the answers

    What is the primary purpose of providing antennas at a certain height in point-to-point wireless digital links?

    <p>To ensure line of sight between the two locations</p> Signup and view all the answers

    What is the typical frequency range of point-to-point Ethernet radio equipment?

    <p>2.4 GHz to 5.8 GHz</p> Signup and view all the answers

    What is the primary advantage of using point-to-point wireless digital links in NLOS or non-line of sight conditions?

    <p>Flexibility in deployment</p> Signup and view all the answers

    What is the primary purpose of point-to-point wireless digital links between two locations?

    <p>To connect locations where OFC/CAT cables are difficult to use</p> Signup and view all the answers

    Study Notes

    • Point-to-point wireless digital links are used between two locations when OFC/CAT cable cannot be used or for expedited connections and backup purposes.
    • Line of sight is required for optimal performance, and antennas may need to be installed at a certain height.
    • Operations at 2.4 GHz provide a more reliable wireless link in line of sight conditions.

    Point-to-Point Ethernet Radio Equipment

    • Point-to-point Ethernet radio equipment operates in the 2.4 or 5.8 GHz License Free Frequency Band.
    • Equipment must comply with WPC (Wireless Planning & Coordination Wing of Ministry of Communication & Information Technology) standards and regulations.
    • Transmitted power should not exceed maximum permitted power levels specified by WPC.

    Performance and Capabilities

    • Ethernet radios deliver a throughput of 25 Mbps to 750 Mbps.
    • They can operate as short-range or long-range links, with distances up to 50 Kms or more.
    • Payload can be voice, data, or video signals and can carry any type of signaling as required.

    Components and Configuration

    • Each side of the link consists of an Indoor Unit (IDU), Outdoor Unit (ODU), External Antenna, and a CAT-5e (or better) UV Protected Outdoor Cable.
    • In some models, the outdoor unit and antenna are integrated.
    • Application software is required for configuring and managing the link.

    Communication Needs

    • Ethernet radios can meet various communication needs of Indian Railways, including:
      • Building-to-building and campus connectivity
      • High-speed Internet access
      • T1/E1 leased-line replacement
      • Traffic backhaul
      • Video surveillance connectivity
      • Voice-over-IP and multimedia communications

    Ethernet Radio Types

    • Ethernet radios can be Point-to-Point (PtP) or Point-to-Multi Point (PtMP) type.

    Security Measures

    • Link lock can be used to pair Outdoor Units of a Point-to-Point Wireless Link to prevent unauthorized use.
    • Link lock should be based on MAC Authentication and activated on site.
    • Two-way locking is recommended to ensure complete security.
    • Point-to-point wireless digital links are used between two locations when OFC/CAT cable cannot be used or for expedited connections and backup purposes.
    • Line of sight is required for optimal performance, and antennas may need to be installed at a certain height.
    • Operations at 2.4 GHz provide a more reliable wireless link in line of sight conditions.

    Point-to-Point Ethernet Radio Equipment

    • Point-to-point Ethernet radio equipment operates in the 2.4 or 5.8 GHz License Free Frequency Band.
    • Equipment must comply with WPC (Wireless Planning & Coordination Wing of Ministry of Communication & Information Technology) standards and regulations.
    • Transmitted power should not exceed maximum permitted power levels specified by WPC.

    Performance and Capabilities

    • Ethernet radios deliver a throughput of 25 Mbps to 750 Mbps.
    • They can operate as short-range or long-range links, with distances up to 50 Kms or more.
    • Payload can be voice, data, or video signals and can carry any type of signaling as required.

    Components and Configuration

    • Each side of the link consists of an Indoor Unit (IDU), Outdoor Unit (ODU), External Antenna, and a CAT-5e (or better) UV Protected Outdoor Cable.
    • In some models, the outdoor unit and antenna are integrated.
    • Application software is required for configuring and managing the link.

    Communication Needs

    • Ethernet radios can meet various communication needs of Indian Railways, including:
      • Building-to-building and campus connectivity
      • High-speed Internet access
      • T1/E1 leased-line replacement
      • Traffic backhaul
      • Video surveillance connectivity
      • Voice-over-IP and multimedia communications

    Ethernet Radio Types

    • Ethernet radios can be Point-to-Point (PtP) or Point-to-Multi Point (PtMP) type.

    Security Measures

    • Link lock can be used to pair Outdoor Units of a Point-to-Point Wireless Link to prevent unauthorized use.
    • Link lock should be based on MAC Authentication and activated on site.
    • Two-way locking is recommended to ensure complete security.
    • Point-to-point wireless digital links are used between two locations when OFC/CAT cable cannot be used or for expedited connections and backup purposes.
    • Line of sight is required for optimal performance, and antennas may need to be installed at a certain height.
    • Operations at 2.4 GHz provide a more reliable wireless link in line of sight conditions.

    Point-to-Point Ethernet Radio Equipment

    • Point-to-point Ethernet radio equipment operates in the 2.4 or 5.8 GHz License Free Frequency Band.
    • Equipment must comply with WPC (Wireless Planning & Coordination Wing of Ministry of Communication & Information Technology) standards and regulations.
    • Transmitted power should not exceed maximum permitted power levels specified by WPC.

    Performance and Capabilities

    • Ethernet radios deliver a throughput of 25 Mbps to 750 Mbps.
    • They can operate as short-range or long-range links, with distances up to 50 Kms or more.
    • Payload can be voice, data, or video signals and can carry any type of signaling as required.

    Components and Configuration

    • Each side of the link consists of an Indoor Unit (IDU), Outdoor Unit (ODU), External Antenna, and a CAT-5e (or better) UV Protected Outdoor Cable.
    • In some models, the outdoor unit and antenna are integrated.
    • Application software is required for configuring and managing the link.

    Communication Needs

    • Ethernet radios can meet various communication needs of Indian Railways, including:
      • Building-to-building and campus connectivity
      • High-speed Internet access
      • T1/E1 leased-line replacement
      • Traffic backhaul
      • Video surveillance connectivity
      • Voice-over-IP and multimedia communications

    Ethernet Radio Types

    • Ethernet radios can be Point-to-Point (PtP) or Point-to-Multi Point (PtMP) type.

    Security Measures

    • Link lock can be used to pair Outdoor Units of a Point-to-Point Wireless Link to prevent unauthorized use.
    • Link lock should be based on MAC Authentication and activated on site.
    • Two-way locking is recommended to ensure complete security.
    • Point-to-point wireless digital links are used between two locations when OFC/CAT cable cannot be used or for expedited connections and backup purposes.
    • Line of sight is required for optimal performance, and antennas may need to be installed at a certain height.
    • Operations at 2.4 GHz provide a more reliable wireless link in line of sight conditions.

    Point-to-Point Ethernet Radio Equipment

    • Point-to-point Ethernet radio equipment operates in the 2.4 or 5.8 GHz License Free Frequency Band.
    • Equipment must comply with WPC (Wireless Planning & Coordination Wing of Ministry of Communication & Information Technology) standards and regulations.
    • Transmitted power should not exceed maximum permitted power levels specified by WPC.

    Performance and Capabilities

    • Ethernet radios deliver a throughput of 25 Mbps to 750 Mbps.
    • They can operate as short-range or long-range links, with distances up to 50 Kms or more.
    • Payload can be voice, data, or video signals and can carry any type of signaling as required.

    Components and Configuration

    • Each side of the link consists of an Indoor Unit (IDU), Outdoor Unit (ODU), External Antenna, and a CAT-5e (or better) UV Protected Outdoor Cable.
    • In some models, the outdoor unit and antenna are integrated.
    • Application software is required for configuring and managing the link.

    Communication Needs

    • Ethernet radios can meet various communication needs of Indian Railways, including:
      • Building-to-building and campus connectivity
      • High-speed Internet access
      • T1/E1 leased-line replacement
      • Traffic backhaul
      • Video surveillance connectivity
      • Voice-over-IP and multimedia communications

    Ethernet Radio Types

    • Ethernet radios can be Point-to-Point (PtP) or Point-to-Multi Point (PtMP) type.

    Security Measures

    • Link lock can be used to pair Outdoor Units of a Point-to-Point Wireless Link to prevent unauthorized use.
    • Link lock should be based on MAC Authentication and activated on site.
    • Two-way locking is recommended to ensure complete security.

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    Ethernet Radio Chapter 12 PDF

    Description

    This quiz covers the use of point-to-point wireless digital links in situations where OFC/CAT cables cannot be used. It also discusses the importance of line of sight for maximizing wireless link performance.

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