What Is This Tool?
This converter enables the transformation of data transfer rates from ISDN (single channel), a 64 kbit/s telecommunication channel, to Virtual Tributary 2 (payload), a SONET/SDH virtual tributary container used for carrying 2.048 Mb/s PDH/E1 channels.
How to Use This Tool?
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Enter the number of ISDN (single channel) units you want to convert.
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Select ISDN (single channel) as the input unit and Virtual Tributary 2 (payload) as the output unit.
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Click the convert button to see the equivalent value in Virtual Tributary 2 (payload).
Key Features
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Converts ISDN single channel units to Virtual Tributary 2 payload units accurately.
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Useful for telecommunications and legacy network provisioning tasks.
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Supports aggregation and grooming of multiple ISDN channels into SONET/SDH optical frames.
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Browser-based and easy-to-use interface without requiring software installation.
Examples
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1 ISDN (single channel) equals 0.03125 Virtual Tributary 2 (payload).
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32 ISDN (single channel) correspond to 1 Virtual Tributary 2 (payload).
Common Use Cases
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Aggregating multiple low-rate ISDN channels into SONET/SDH optical backbone for efficient transport.
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Configuring network equipment involving TDM and PDH signal transport in legacy telecommunication systems.
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Circuit emulation and legacy service provisioning in SONET/SDH networks.
Tips & Best Practices
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Ensure correct selection of units before conversion to avoid errors.
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Use this converter primarily for legacy network analysis or migration tasks.
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Consider the need for aggregating many ISDN channels when planning SONET/SDH provisioning.
Limitations
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ISDN channels have a low data rate which requires many channels to fill one Virtual Tributary 2 payload, complicating aggregation.
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Conversion is mainly applicable to legacy systems and less relevant for modern packet-based networks.
Frequently Asked Questions
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What is an ISDN (single channel)?
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An ISDN (single channel) represents a single bearer channel with a nominal 64 kbit/s capacity used in telecommunication systems for voice or user data.
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What does a Virtual Tributary 2 (payload) represent?
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A Virtual Tributary 2 payload is a SONET/SDH container designed to carry a 2.048 Mb/s PDH/E1 channel for transporting legacy time-division multiplexed signals.
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Why convert ISDN channels to Virtual Tributary 2 payload units?
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Conversion helps aggregate multiple low-rate ISDN channels into higher-capacity SONET/SDH optical frames for efficient transport and grooming of legacy circuits.
Key Terminology
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ISDN (single channel)
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A telecommunication channel with a data transfer rate of 64 kbit/s used in Integrated Services Digital Network systems.
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Virtual Tributary 2 (payload)
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A SONET/SDH virtual tributary container carrying a 2.048 Mb/s PDH/E1 channel for legacy TDM signal transport.
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SONET/SDH
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Synchronous Optical Networking/Synchronous Digital Hierarchy, standards for optical fiber transmission of multiple digital bit streams.