Layer 1 definition

Layer 1 means mature trees at least 12.5 centimetres in diameter at breast height;
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Layer 1 means the first layer of the seven-layer OSI model of computer networking;
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Layer 1 means mature trees greater than 12.5 centimeters in diameter at breast height;
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Examples of Layer 1 in a sentence

  • Service Levels for both the Layer 1 and Layer 2 components of the Bitstream 4 Service are set out in the Service Level Terms for the Bitstream Services.

  • RTD is defined as the Layer 1 round-trip delay across the Verizon Network between Customer Sites of a Wavelength Services circuit.

  • Service Levels for both the Layer 1 and Layer 2 components of the Bitstream 2 Service are set out in the Service Level Terms for the Bitstream Services.

  • Service Levels for both the Layer 1 and Layer 2 components of the Bitstream 3 Service are set out in the Service Level Terms for the Bitstream Services.

  • ANSI T1.601-1992, American National Standard for Telecommunications - ISDN - Basic Access Interface for Use on Metallic Loops for Application at the Network Side of NT, Layer 1 Specification.

  • ANSI T1.231-1993, American National Standard for Telecommunications - Digital Hierarchy - Layer 1 In-Service Digital Transmission performance monitoring.

  • Layer 1 Service Availability (Maximum Downtime) Percentage of the applicable monthly rental fee for the Connection and any service(s) provided over the Connection per complete hour of Downtime over the Maximum Downtime: Default Service Level: 10% (capped at one month’s rental fee for Layer 1 and Layer 2 service(s)).

  • Enhanced Service Level 2: 15% (capped at two months’ rental fee for Layer 1 and Layer 2 service(s)).

  • Enhanced Service Level 1: 15% (capped at two months’ rental fee for Layer 1 and Layer 2 service(s)).

  • Layer 1 Service Availability – Maximum Downtime: For the avoidance of doubt, the Service Levels set out in this clause 3 apply to the Bitstream Services (in respect of the layer 1 fibre services that support the Bitstream Services) in addition to the other Service Levels in this Appendix.


More Definitions of Layer 1

Layer 1 means mature trees greater than 12.5 centimetres in diameter at breast height;
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Related to Layer 1

  • Module means specific portion of the Application Software designated as such in the Documentation made available to the Customer under the Notification Form.

  • Dataset means the data specified in Appendix 1 (Environmental Information) to Schedule 11.2 (Management Information) as the same may be amended from time to time by the Secretary of State (acting reasonably);

  • Process weight means the total weight of all materials introduced into any source operation. Solid fuels charged will be considered as part of the process weight, but liquid and gaseous fuels and combustion air will not.

  • Open type traction battery means a type of battery requiring filling with liquid and generating hydrogen gas that is released to the atmosphere.

  • Instantaneous flow measurement means the flow measured during the minimum time required for the flow-measuring device or method to produce a result in that instance. To the extent practical, instantaneous flow measurements coincide with the collection of any grab samples required for the same sampling period so that together the samples and flow are representative of the discharge during that sampling period.