GET https://dev.normadoc.fr/products/ieee-ansi-455-1985-r1992-ieee00000682-240222

Response
200 OK
IP
216.73.217.103
Profiled on
Token
a59bef

Forms

  • sylius_add_to_cart
    • cartItem
    • _token

sylius_add_to_cart

Form type: 
"Sylius\Bundle\CoreBundle\Form\Type\Order\AddToCartType"

Errors

This form has no errors.

Default Data

Property Value
Model Format same as normalized format
Normalized Format 
Sylius\Bundle\OrderBundle\Controller\AddToCartCommand {#113592
  -cart: App\Entity\Order\Order {#13332 …}
  -cartItem: App\Entity\Order\OrderItem {#113580
    #id: null
    #order: null
    #quantity: 1
    #unitPrice: 0
    #originalUnitPrice: 0
    #total: 0
    #immutable: false
    #units: Doctrine\Common\Collections\ArrayCollection {#113604 …}
    #unitsTotal: 0
    #adjustments: Doctrine\Common\Collections\ArrayCollection {#113605 …}
    #adjustmentsTotal: 0
    #version: 1
    #variant: App\Entity\Product\ProductVariant {#8101
      #id: 2366
      #code: "IEEE00000682PDF"
      #product: App\Entity\Product\Product {#7309
        #id: 8570
        #code: "IEEE00000682"
        #attributes: Doctrine\ORM\PersistentCollection {#7702 …}
        #variants: Doctrine\ORM\PersistentCollection {#7745 …}
        #options: Doctrine\ORM\PersistentCollection {#7917
          #collection: Doctrine\Common\Collections\ArrayCollection {#7919 …}
          #initialized: true
          -snapshot: [ …4]
          -owner: App\Entity\Product\Product {#7309}
          -association: [ …21]
          -em: ContainerHAOxQ06\EntityManagerGhostEbeb667 {#775 …}
          -backRefFieldName: null
          -typeClass: Symfony\Component\VarDumper\Caster\CutStub {#260904 …}
          -isDirty: false
        }
        #associations: Doctrine\ORM\PersistentCollection {#7901 …}
        #createdAt: DateTime @1751037528 {#7274
          date: 2025-06-27 17:18:48.0 Europe/Paris (+02:00)
        }
        #updatedAt: DateTime @1754606304 {#7322
          date: 2025-08-08 00:38:24.0 Europe/Paris (+02:00)
        }
        #enabled: true
        #translations: Doctrine\ORM\PersistentCollection {#7923 …}
        #translationsCache: [
          "en_US" => App\Entity\Product\ProductTranslation {#7922
            #locale: "en_US"
            #translatable: App\Entity\Product\Product {#7309}
            #id: 29289
            #name: "IEEE/ANSI 455:1985 (R1992)"
            #slug: "ieee-ansi-455-1985-r1992-ieee00000682-240222"
            #description: """
              Revision Standard - Inactive-Withdrawn.<br />\n
              The basic requirements for a test circuit that can be used to measure longitudinal balance are defined. Resistive elements are specified because they are generally considered easy to duplicate and balance. Standard test conditions and procedures are established.<br />\n
              \t\t\t\t<br />\n
              The purpose of this standard is threefold:1) To define the basic requirements of a test circuit which can be used to measure longitudinal balance. This test circuit will be capable of yielding consistent and repeatable test results.; 2) To define test conditions to be established while using the test circuit. Standard test conditions are considered vital for obtaining consistent results from a suitable circuit.; 3) To describe standard test procedures to be followed when the test circuit is operated. This standard specifies the elements of the test circuit only in general terms to allow considerable freedom when a test set is being designed. It thereby precludes the possibility that only one set of circuit elements will be capable of meeting the standard. This standard is based on a resistive test circuit, although pure resistance is not essential. Resistive elements are specified because they are generally considered easy to duplicate and balance. Repeatable and consistent balance numbers are the object of issuing this standard. Balance circuits are used at frequencies extending well into the megahertz range and there may be a need for measuring longitudinal balance at high frequencies. The definition of degree of longitudinal balance and the general configuration of the driving test circuit given in this standard are applicable at all frequencies. However, the test circuit impedances and other requirements for measurement outside the voice band are beyond the scope of this standard.
              """
            #metaKeywords: null
            #metaDescription: null
            #shortDescription: "IEEE Standard Test Procedure for Measuring Longitudinal Balance of Telephone Equipment Operating in the Voice Band"
            -notes: "Inactive-Withdrawn"
          }
        ]
        #currentLocale: "en_US"
        #currentTranslation: null
        #fallbackLocale: "en_US"
        #variantSelectionMethod: "match"
        #productTaxons: Doctrine\ORM\PersistentCollection {#7535 …}
        #channels: Doctrine\ORM\PersistentCollection {#7629 …}
        #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7308 …}
        #reviews: Doctrine\ORM\PersistentCollection {#7614 …}
        #averageRating: 0.0
        #images: Doctrine\ORM\PersistentCollection {#7646 …}
        -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7422 …}
        -subscriptionCollections: Doctrine\ORM\PersistentCollection {#7420 …}
        -apiLastModifiedAt: DateTime @1754517600 {#7317
          date: 2025-08-07 00:00:00.0 Europe/Paris (+02:00)
        }
        -lastUpdatedAt: DateTime @1578006000 {#7292
          date: 2020-01-03 00:00:00.0 Europe/Paris (+01:00)
        }
        -author: ""
        -publishedAt: DateTime @491090400 {#7318
          date: 1985-07-25 00:00:00.0 Europe/Paris (+02:00)
        }
        -releasedAt: null
        -confirmedAt: DateTime @708818400 {#7316
          date: 1992-06-18 00:00:00.0 Europe/Paris (+02:00)
        }
        -canceledAt: DateTime @952297200 {#7315
          date: 2000-03-06 00:00:00.0 Europe/Paris (+01:00)
        }
        -edition: null
        -coreDocument: "455"
        -bookCollection: ""
        -pageCount: 22
        -documents: Doctrine\ORM\PersistentCollection {#7466 …}
        -favorites: Doctrine\ORM\PersistentCollection {#7501 …}
      }
      #optionValues: Doctrine\ORM\PersistentCollection {#8317 …}
      #position: 0
      #createdAt: DateTime @1751041119 {#7283
        date: 2025-06-27 18:18:39.0 Europe/Paris (+02:00)
      }
      #updatedAt: DateTime @1755611955 {#8118
        date: 2025-08-19 15:59:15.0 Europe/Paris (+02:00)
      }
      #enabled: true
      #translations: Doctrine\ORM\PersistentCollection {#8261 …}
      #translationsCache: [
        "en_US" => App\Entity\Product\ProductVariantTranslation {#93204
          #locale: "en_US"
          #translatable: App\Entity\Product\ProductVariant {#8101}
          #id: 2384
          #name: null
          -shortDescription: null
          -description: null
          -notes: null
          -shippingInformation: "Instant download"
        }
      ]
      #currentLocale: "en_US"
      #currentTranslation: null
      #fallbackLocale: "en_US"
      #version: 9
      #onHold: 0
      #onHand: 0
      #tracked: false
      #weight: 0.0
      #width: null
      #height: null
      #depth: null
      #taxCategory: Proxies\__CG__\App\Entity\Taxation\TaxCategory {#8133 …}
      #shippingCategory: null
      #channelPricings: Doctrine\ORM\PersistentCollection {#8295 …}
      #shippingRequired: true
      #images: Doctrine\ORM\PersistentCollection {#8292 …}
      -apiLastModifiedAt: DateTime @1753740000 {#8100
        date: 2025-07-29 00:00:00.0 Europe/Paris (+02:00)
      }
      -publishedAt: null
      -isbn: "978-0-7381-2383-7"
      -ean: "9780738123837"
      -numberOfUsers: 1
      -physicalProduct: false
      -downloadableImmediately: true
      -downloadable: true
      -drmViewerUrl: "https://online-viewer.normadoc.com/p7CD2n"
      -sellable: true
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View Format same as normalized format

Submitted Data

This form was not submitted.

Passed Options

Option Passed Value Resolved Value
data 
Sylius\Bundle\OrderBundle\Controller\AddToCartCommand {#113592
  -cart: App\Entity\Order\Order {#13332 …}
  -cartItem: App\Entity\Order\OrderItem {#113580
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    #order: null
    #quantity: 1
    #unitPrice: 0
    #originalUnitPrice: 0
    #total: 0
    #immutable: false
    #units: Doctrine\Common\Collections\ArrayCollection {#113604 …}
    #unitsTotal: 0
    #adjustments: Doctrine\Common\Collections\ArrayCollection {#113605 …}
    #adjustmentsTotal: 0
    #version: 1
    #variant: App\Entity\Product\ProductVariant {#8101
      #id: 2366
      #code: "IEEE00000682PDF"
      #product: App\Entity\Product\Product {#7309
        #id: 8570
        #code: "IEEE00000682"
        #attributes: Doctrine\ORM\PersistentCollection {#7702 …}
        #variants: Doctrine\ORM\PersistentCollection {#7745 …}
        #options: Doctrine\ORM\PersistentCollection {#7917
          #collection: Doctrine\Common\Collections\ArrayCollection {#7919 …}
          #initialized: true
          -snapshot: [ …4]
          -owner: App\Entity\Product\Product {#7309}
          -association: [ …21]
          -em: ContainerHAOxQ06\EntityManagerGhostEbeb667 {#775 …}
          -backRefFieldName: null
          -typeClass: Symfony\Component\VarDumper\Caster\CutStub {#260904 …}
          -isDirty: false
        }
        #associations: Doctrine\ORM\PersistentCollection {#7901 …}
        #createdAt: DateTime @1751037528 {#7274
          date: 2025-06-27 17:18:48.0 Europe/Paris (+02:00)
        }
        #updatedAt: DateTime @1754606304 {#7322
          date: 2025-08-08 00:38:24.0 Europe/Paris (+02:00)
        }
        #enabled: true
        #translations: Doctrine\ORM\PersistentCollection {#7923 …}
        #translationsCache: [
          "en_US" => App\Entity\Product\ProductTranslation {#7922
            #locale: "en_US"
            #translatable: App\Entity\Product\Product {#7309}
            #id: 29289
            #name: "IEEE/ANSI 455:1985 (R1992)"
            #slug: "ieee-ansi-455-1985-r1992-ieee00000682-240222"
            #description: """
              Revision Standard - Inactive-Withdrawn.<br />\n
              The basic requirements for a test circuit that can be used to measure longitudinal balance are defined. Resistive elements are specified because they are generally considered easy to duplicate and balance. Standard test conditions and procedures are established.<br />\n
              \t\t\t\t<br />\n
              The purpose of this standard is threefold:1) To define the basic requirements of a test circuit which can be used to measure longitudinal balance. This test circuit will be capable of yielding consistent and repeatable test results.; 2) To define test conditions to be established while using the test circuit. Standard test conditions are considered vital for obtaining consistent results from a suitable circuit.; 3) To describe standard test procedures to be followed when the test circuit is operated. This standard specifies the elements of the test circuit only in general terms to allow considerable freedom when a test set is being designed. It thereby precludes the possibility that only one set of circuit elements will be capable of meeting the standard. This standard is based on a resistive test circuit, although pure resistance is not essential. Resistive elements are specified because they are generally considered easy to duplicate and balance. Repeatable and consistent balance numbers are the object of issuing this standard. Balance circuits are used at frequencies extending well into the megahertz range and there may be a need for measuring longitudinal balance at high frequencies. The definition of degree of longitudinal balance and the general configuration of the driving test circuit given in this standard are applicable at all frequencies. However, the test circuit impedances and other requirements for measurement outside the voice band are beyond the scope of this standard.
              """
            #metaKeywords: null
            #metaDescription: null
            #shortDescription: "IEEE Standard Test Procedure for Measuring Longitudinal Balance of Telephone Equipment Operating in the Voice Band"
            -notes: "Inactive-Withdrawn"
          }
        ]
        #currentLocale: "en_US"
        #currentTranslation: null
        #fallbackLocale: "en_US"
        #variantSelectionMethod: "match"
        #productTaxons: Doctrine\ORM\PersistentCollection {#7535 …}
        #channels: Doctrine\ORM\PersistentCollection {#7629 …}
        #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7308 …}
        #reviews: Doctrine\ORM\PersistentCollection {#7614 …}
        #averageRating: 0.0
        #images: Doctrine\ORM\PersistentCollection {#7646 …}
        -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7422 …}
        -subscriptionCollections: Doctrine\ORM\PersistentCollection {#7420 …}
        -apiLastModifiedAt: DateTime @1754517600 {#7317
          date: 2025-08-07 00:00:00.0 Europe/Paris (+02:00)
        }
        -lastUpdatedAt: DateTime @1578006000 {#7292
          date: 2020-01-03 00:00:00.0 Europe/Paris (+01:00)
        }
        -author: ""
        -publishedAt: DateTime @491090400 {#7318
          date: 1985-07-25 00:00:00.0 Europe/Paris (+02:00)
        }
        -releasedAt: null
        -confirmedAt: DateTime @708818400 {#7316
          date: 1992-06-18 00:00:00.0 Europe/Paris (+02:00)
        }
        -canceledAt: DateTime @952297200 {#7315
          date: 2000-03-06 00:00:00.0 Europe/Paris (+01:00)
        }
        -edition: null
        -coreDocument: "455"
        -bookCollection: ""
        -pageCount: 22
        -documents: Doctrine\ORM\PersistentCollection {#7466 …}
        -favorites: Doctrine\ORM\PersistentCollection {#7501 …}
      }
      #optionValues: Doctrine\ORM\PersistentCollection {#8317 …}
      #position: 0
      #createdAt: DateTime @1751041119 {#7283
        date: 2025-06-27 18:18:39.0 Europe/Paris (+02:00)
      }
      #updatedAt: DateTime @1755611955 {#8118
        date: 2025-08-19 15:59:15.0 Europe/Paris (+02:00)
      }
      #enabled: true
      #translations: Doctrine\ORM\PersistentCollection {#8261 …}
      #translationsCache: [
        "en_US" => App\Entity\Product\ProductVariantTranslation {#93204
          #locale: "en_US"
          #translatable: App\Entity\Product\ProductVariant {#8101}
          #id: 2384
          #name: null
          -shortDescription: null
          -description: null
          -notes: null
          -shippingInformation: "Instant download"
        }
      ]
      #currentLocale: "en_US"
      #currentTranslation: null
      #fallbackLocale: "en_US"
      #version: 9
      #onHold: 0
      #onHand: 0
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      #weight: 0.0
      #width: null
      #height: null
      #depth: null
      #taxCategory: Proxies\__CG__\App\Entity\Taxation\TaxCategory {#8133 …}
      #shippingCategory: null
      #channelPricings: Doctrine\ORM\PersistentCollection {#8295 …}
      #shippingRequired: true
      #images: Doctrine\ORM\PersistentCollection {#8292 …}
      -apiLastModifiedAt: DateTime @1753740000 {#8100
        date: 2025-07-29 00:00:00.0 Europe/Paris (+02:00)
      }
      -publishedAt: null
      -isbn: "978-0-7381-2383-7"
      -ean: "9780738123837"
      -numberOfUsers: 1
      -physicalProduct: false
      -downloadableImmediately: true
      -downloadable: true
      -drmViewerUrl: "https://online-viewer.normadoc.com/p7CD2n"
      -sellable: true
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      -drmTokens: Doctrine\ORM\PersistentCollection {#8121 …}
      -enabledForSubscribers: true
      -currentAreaContext: null
    }
    #productName: null
    #variantName: null
  }
}
 same as passed value
product 
App\Entity\Product\Product {#7309
  #id: 8570
  #code: "IEEE00000682"
  #attributes: Doctrine\ORM\PersistentCollection {#7702 …}
  #variants: Doctrine\ORM\PersistentCollection {#7745 …}
  #options: Doctrine\ORM\PersistentCollection {#7917
    #collection: Doctrine\Common\Collections\ArrayCollection {#7919 …}
    #initialized: true
    -snapshot: [ …4]
    -owner: App\Entity\Product\Product {#7309}
    -association: [ …21]
    -em: ContainerHAOxQ06\EntityManagerGhostEbeb667 {#775 …}
    -backRefFieldName: null
    -typeClass: Symfony\Component\VarDumper\Caster\CutStub {#260904 …}
    -isDirty: false
  }
  #associations: Doctrine\ORM\PersistentCollection {#7901 …}
  #createdAt: DateTime @1751037528 {#7274
    date: 2025-06-27 17:18:48.0 Europe/Paris (+02:00)
  }
  #updatedAt: DateTime @1754606304 {#7322
    date: 2025-08-08 00:38:24.0 Europe/Paris (+02:00)
  }
  #enabled: true
  #translations: Doctrine\ORM\PersistentCollection {#7923 …}
  #translationsCache: [
    "en_US" => App\Entity\Product\ProductTranslation {#7922
      #locale: "en_US"
      #translatable: App\Entity\Product\Product {#7309}
      #id: 29289
      #name: "IEEE/ANSI 455:1985 (R1992)"
      #slug: "ieee-ansi-455-1985-r1992-ieee00000682-240222"
      #description: """
        Revision Standard - Inactive-Withdrawn.<br />\n
        The basic requirements for a test circuit that can be used to measure longitudinal balance are defined. Resistive elements are specified because they are generally considered easy to duplicate and balance. Standard test conditions and procedures are established.<br />\n
        \t\t\t\t<br />\n
        The purpose of this standard is threefold:1) To define the basic requirements of a test circuit which can be used to measure longitudinal balance. This test circuit will be capable of yielding consistent and repeatable test results.; 2) To define test conditions to be established while using the test circuit. Standard test conditions are considered vital for obtaining consistent results from a suitable circuit.; 3) To describe standard test procedures to be followed when the test circuit is operated. This standard specifies the elements of the test circuit only in general terms to allow considerable freedom when a test set is being designed. It thereby precludes the possibility that only one set of circuit elements will be capable of meeting the standard. This standard is based on a resistive test circuit, although pure resistance is not essential. Resistive elements are specified because they are generally considered easy to duplicate and balance. Repeatable and consistent balance numbers are the object of issuing this standard. Balance circuits are used at frequencies extending well into the megahertz range and there may be a need for measuring longitudinal balance at high frequencies. The definition of degree of longitudinal balance and the general configuration of the driving test circuit given in this standard are applicable at all frequencies. However, the test circuit impedances and other requirements for measurement outside the voice band are beyond the scope of this standard.
        """
      #metaKeywords: null
      #metaDescription: null
      #shortDescription: "IEEE Standard Test Procedure for Measuring Longitudinal Balance of Telephone Equipment Operating in the Voice Band"
      -notes: "Inactive-Withdrawn"
    }
  ]
  #currentLocale: "en_US"
  #currentTranslation: null
  #fallbackLocale: "en_US"
  #variantSelectionMethod: "match"
  #productTaxons: Doctrine\ORM\PersistentCollection {#7535 …}
  #channels: Doctrine\ORM\PersistentCollection {#7629 …}
  #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7308 …}
  #reviews: Doctrine\ORM\PersistentCollection {#7614 …}
  #averageRating: 0.0
  #images: Doctrine\ORM\PersistentCollection {#7646 …}
  -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7422 …}
  -subscriptionCollections: Doctrine\ORM\PersistentCollection {#7420 …}
  -apiLastModifiedAt: DateTime @1754517600 {#7317
    date: 2025-08-07 00:00:00.0 Europe/Paris (+02:00)
  }
  -lastUpdatedAt: DateTime @1578006000 {#7292
    date: 2020-01-03 00:00:00.0 Europe/Paris (+01:00)
  }
  -author: ""
  -publishedAt: DateTime @491090400 {#7318
    date: 1985-07-25 00:00:00.0 Europe/Paris (+02:00)
  }
  -releasedAt: null
  -confirmedAt: DateTime @708818400 {#7316
    date: 1992-06-18 00:00:00.0 Europe/Paris (+02:00)
  }
  -canceledAt: DateTime @952297200 {#7315
    date: 2000-03-06 00:00:00.0 Europe/Paris (+01:00)
  }
  -edition: null
  -coreDocument: "455"
  -bookCollection: ""
  -pageCount: 22
  -documents: Doctrine\ORM\PersistentCollection {#7466 …}
  -favorites: Doctrine\ORM\PersistentCollection {#7501 …}
}
 same as passed value

Resolved Options

Option Value
action 
""
allow_extra_fields 
false
allow_file_upload 
false
attr 
[]
attr_translation_parameters 
[]
auto_initialize 
true
block_name 
null
block_prefix 
null
by_reference 
true
compound 
true
constraints 
[]
csrf_field_name 
"_token"
csrf_message 
"The CSRF token is invalid. Please try to resubmit the form."
csrf_protection 
true
csrf_token_id 
null
csrf_token_manager 
Symfony\Component\Security\Csrf\CsrfTokenManager {#113612
  -generator: Symfony\Component\Security\Csrf\TokenGenerator\UriSafeTokenGenerator {#113613 …}
  -storage: Symfony\Component\Security\Csrf\TokenStorage\SessionTokenStorage {#113614 …}
  -namespace: Closure() {#113616 …}
}
data 
Sylius\Bundle\OrderBundle\Controller\AddToCartCommand {#113592
  -cart: App\Entity\Order\Order {#13332 …}
  -cartItem: App\Entity\Order\OrderItem {#113580
    #id: null
    #order: null
    #quantity: 1
    #unitPrice: 0
    #originalUnitPrice: 0
    #total: 0
    #immutable: false
    #units: Doctrine\Common\Collections\ArrayCollection {#113604 …}
    #unitsTotal: 0
    #adjustments: Doctrine\Common\Collections\ArrayCollection {#113605 …}
    #adjustmentsTotal: 0
    #version: 1
    #variant: App\Entity\Product\ProductVariant {#8101
      #id: 2366
      #code: "IEEE00000682PDF"
      #product: App\Entity\Product\Product {#7309
        #id: 8570
        #code: "IEEE00000682"
        #attributes: Doctrine\ORM\PersistentCollection {#7702 …}
        #variants: Doctrine\ORM\PersistentCollection {#7745 …}
        #options: Doctrine\ORM\PersistentCollection {#7917
          #collection: Doctrine\Common\Collections\ArrayCollection {#7919 …}
          #initialized: true
          -snapshot: [ …4]
          -owner: App\Entity\Product\Product {#7309}
          -association: [ …21]
          -em: ContainerHAOxQ06\EntityManagerGhostEbeb667 {#775 …}
          -backRefFieldName: null
          -typeClass: Symfony\Component\VarDumper\Caster\CutStub {#260904 …}
          -isDirty: false
        }
        #associations: Doctrine\ORM\PersistentCollection {#7901 …}
        #createdAt: DateTime @1751037528 {#7274
          date: 2025-06-27 17:18:48.0 Europe/Paris (+02:00)
        }
        #updatedAt: DateTime @1754606304 {#7322
          date: 2025-08-08 00:38:24.0 Europe/Paris (+02:00)
        }
        #enabled: true
        #translations: Doctrine\ORM\PersistentCollection {#7923 …}
        #translationsCache: [
          "en_US" => App\Entity\Product\ProductTranslation {#7922
            #locale: "en_US"
            #translatable: App\Entity\Product\Product {#7309}
            #id: 29289
            #name: "IEEE/ANSI 455:1985 (R1992)"
            #slug: "ieee-ansi-455-1985-r1992-ieee00000682-240222"
            #description: """
              Revision Standard - Inactive-Withdrawn.<br />\n
              The basic requirements for a test circuit that can be used to measure longitudinal balance are defined. Resistive elements are specified because they are generally considered easy to duplicate and balance. Standard test conditions and procedures are established.<br />\n
              \t\t\t\t<br />\n
              The purpose of this standard is threefold:1) To define the basic requirements of a test circuit which can be used to measure longitudinal balance. This test circuit will be capable of yielding consistent and repeatable test results.; 2) To define test conditions to be established while using the test circuit. Standard test conditions are considered vital for obtaining consistent results from a suitable circuit.; 3) To describe standard test procedures to be followed when the test circuit is operated. This standard specifies the elements of the test circuit only in general terms to allow considerable freedom when a test set is being designed. It thereby precludes the possibility that only one set of circuit elements will be capable of meeting the standard. This standard is based on a resistive test circuit, although pure resistance is not essential. Resistive elements are specified because they are generally considered easy to duplicate and balance. Repeatable and consistent balance numbers are the object of issuing this standard. Balance circuits are used at frequencies extending well into the megahertz range and there may be a need for measuring longitudinal balance at high frequencies. The definition of degree of longitudinal balance and the general configuration of the driving test circuit given in this standard are applicable at all frequencies. However, the test circuit impedances and other requirements for measurement outside the voice band are beyond the scope of this standard.
              """
            #metaKeywords: null
            #metaDescription: null
            #shortDescription: "IEEE Standard Test Procedure for Measuring Longitudinal Balance of Telephone Equipment Operating in the Voice Band"
            -notes: "Inactive-Withdrawn"
          }
        ]
        #currentLocale: "en_US"
        #currentTranslation: null
        #fallbackLocale: "en_US"
        #variantSelectionMethod: "match"
        #productTaxons: Doctrine\ORM\PersistentCollection {#7535 …}
        #channels: Doctrine\ORM\PersistentCollection {#7629 …}
        #mainTaxon: Proxies\__CG__\App\Entity\Taxonomy\Taxon {#7308 …}
        #reviews: Doctrine\ORM\PersistentCollection {#7614 …}
        #averageRating: 0.0
        #images: Doctrine\ORM\PersistentCollection {#7646 …}
        -supplier: Proxies\__CG__\App\Entity\Supplier\Supplier {#7422 …}
        -subscriptionCollections: Doctrine\ORM\PersistentCollection {#7420 …}
        -apiLastModifiedAt: DateTime @1754517600 {#7317
          date: 2025-08-07 00:00:00.0 Europe/Paris (+02:00)
        }
        -lastUpdatedAt: DateTime @1578006000 {#7292
          date: 2020-01-03 00:00:00.0 Europe/Paris (+01:00)
        }
        -author: ""
        -publishedAt: DateTime @491090400 {#7318
          date: 1985-07-25 00:00:00.0 Europe/Paris (+02:00)
        }
        -releasedAt: null
        -confirmedAt: DateTime @708818400 {#7316
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