What Is This Tool?
This converter transforms data transfer measurements from Virtual Tributary 6 (signal), a logical SONET sub-channel, into ISDN (dual channel) service-level data throughput values. It helps users understand and translate bandwidth between SONET-based networks and ISDN configurations.
How to Use This Tool?
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Enter the value in Virtual Tributary 6 (signal) units you wish to convert
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Select Virtual Tributary 6 (signal) as the input unit and ISDN (dual channel) as the output unit
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Click the convert button to obtain the equivalent data transfer rate in ISDN (dual channel)
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Review the results to assist in network capacity and bandwidth planning
Key Features
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Converts Virtual Tributary 6 (signal) units to ISDN (dual channel) units effectively
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Based on standardized data transfer definitions from telecommunications protocols
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Supports network bandwidth planning and traffic grooming contexts
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Browser-based and easy to use without installation
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Enables understanding of SONET logical sub-channels in ISDN terms
Examples
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2 Virtual Tributary 6 (signal) equals 98.625 ISDN (dual channel)
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0.5 Virtual Tributary 6 (signal) equals 24.65625 ISDN (dual channel)
Common Use Cases
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Mapping and transporting multiple lower-rate PDH/TDM circuits over a SONET backbone
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Translating SONET logical channels into ISDN service throughput for interoperability
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Managing traffic grooming and bandwidth assignment in SONET cross-connects
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Planning small-office or home internet access setups using bonded ISDN B channels
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Configuring remote LAN access or backup links using combined ISDN channels
Tips & Best Practices
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Understand that ISDN (dual channel) indicates service-level throughput, not physical hardware speed
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Use this conversion to aid in network capacity planning and traffic grooming decisions
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Confirm SONET configuration details for accurate VT6 channel aggregation
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Consider signaling overhead when interpreting ISDN channel data rates
Limitations
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Conversion applies only to standardized logical/service-level channels, excluding physical layer specifics
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ISDN (dual channel) is a service descriptor, so actual throughput may vary due to overhead
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VT6 aggregation depends on SONET configuration, which can affect capacity calculations
Frequently Asked Questions
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What does a Virtual Tributary 6 (VT6) represent?
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VT6 is a logical sub-channel in SONET used to carry and multiplex lower-rate client signals inside an STS-1 payload for bandwidth grooming.
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What is meant by ISDN (dual channel)?
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ISDN (dual channel) refers to the use of both 64 kbit/s B channels of an ISDN Basic Rate Interface combined to provide approximately 128 kbit/s data throughput.
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Why convert Virtual Tributary 6 (signal) to ISDN (dual channel)?
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To facilitate interoperability and bandwidth planning between SONET networks and ISDN-based applications by translating data rates between these frameworks.
Key Terminology
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Virtual Tributary 6 (VT6)
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A standardized SONET logical sub-channel for carrying and multiplexing lower-rate client signals inside an STS-1 payload.
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ISDN (dual channel)
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A configuration using two 64 kbit/s B channels of ISDN combined to achieve about 128 kbit/s service-level data throughput.