What is IDE (UDMA mode 4)?

IDE (UDMA mode 4), also known as Ultra DMA/66 (ATA-4), is a Parallel ATA transfer mode used in legacy PCs to transfer data at a theoretical maximum of about 66.7 megabytes per second using an 80-conductor IDE cable.

What does Virtual Tributary 2 (payload) represent?

Virtual Tributary 2 (VT2) payload is a SONET/SDH virtual tributary container designed to carry a 2.048 Mb/s PDH/E1 channel for transporting lower-rate time-division multiplexed signals within higher-capacity optical networks.

Why convert IDE (UDMA mode 4) to Virtual Tributary 2 (payload)?

Converting between these units helps integrate legacy PC storage data rates with telecommunications network capacity planning, circuit emulation, and provisioning of mixed legacy and modern infrastructures.

How to Convert from IDE (UDMA mode 4) to Virtual Tributary 2 (payload)?

Easily convert data transfer rates from IDE (UDMA mode 4) to Virtual Tributary 2 (payload) using our online unit converter designed for legacy and telecommunications applications.

IDE (UDMA mode 4)

Virtual Tributary 2 (payload)

Please check your input. It must be a valid numeric value.

IDE (UDMA mode 4) to Virtual Tributary 2 (payload) Conversion Table

IDE (UDMA mode 4)	Virtual Tributary 2 (payload)

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

IDE (UDMA mode 4) to Virtual Tributary 2 (payload) Conversion Table
IDE (UDMA mode 4)	Virtual Tributary 2 (payload)

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What Is This Tool?

This tool converts data transfer rates from IDE (UDMA mode 4), a parallel ATA transfer mode used in legacy PC hardware, to Virtual Tributary 2 (payload), a virtual tributary container in SONET/SDH networks used for carrying 2.048 Mb/s PDH/E1 channels. It helps relate high-throughput storage rates to telecommunications network channel capacities.

How to Use This Tool?

Enter the value in IDE (UDMA mode 4) units to be converted
Select Virtual Tributary 2 (payload) as the target unit
Click convert to see the equivalent value in Virtual Tributary 2 payload units
Use the results for benchmarking, network planning, or data rate comparison

Key Features

Converts between IDE (UDMA mode 4) and Virtual Tributary 2 (payload) data units
Based on defined theoretical maximum data throughput values
Supports integration of legacy PC storage and modern telecom network planning
Browser-based and easy to use without installation

Examples

1 IDE (UDMA mode 4) equals 257.8125 Virtual Tributary 2 (payload)
2 IDE (UDMA mode 4) equals 515.625 Virtual Tributary 2 (payload)

Common Use Cases

Connecting and benchmarking legacy PATA/IDE drives supporting Ultra DMA/66
Converting storage throughput figures for integration with SONET/SDH network capacity
Supporting circuit emulation and transport planning of legacy TDM services
Data recovery and maintenance involving older IDE hardware with telecommunications infrastructure

Tips & Best Practices

Ensure the IDE (UDMA mode 4) value represents theoretical maximum throughput for accurate conversion
Understand that actual hardware performance may vary from this theoretical value
Consider protocol overheads and rounding requirements in network planning using Virtual Tributary 2 payload
Use conversion results to facilitate integration between legacy PC storage and telecommunications networks

Limitations

Conversion is based on maximum theoretical data throughput and does not include overhead effects
Real device performance for IDE (UDMA mode 4) may differ from stated values
Virtual Tributary 2 payload data rate is a fixed 2.048 Mb/s, requiring approximation in some scenarios

Frequently Asked Questions

What is IDE (UDMA mode 4)?: IDE (UDMA mode 4), also known as Ultra DMA/66 (ATA-4), is a Parallel ATA transfer mode used in legacy PCs to transfer data at a theoretical maximum of about 66.7 megabytes per second using an 80-conductor IDE cable.
What does Virtual Tributary 2 (payload) represent?: Virtual Tributary 2 (VT2) payload is a SONET/SDH virtual tributary container designed to carry a 2.048 Mb/s PDH/E1 channel for transporting lower-rate time-division multiplexed signals within higher-capacity optical networks.
Why convert IDE (UDMA mode 4) to Virtual Tributary 2 (payload)?: Converting between these units helps integrate legacy PC storage data rates with telecommunications network capacity planning, circuit emulation, and provisioning of mixed legacy and modern infrastructures.

Key Terminology

IDE (UDMA mode 4): A Parallel ATA transfer mode using Ultra DMA protocol to achieve up to about 66.7 MB/s data transfer rates between a drive and host.
Virtual Tributary 2 (payload): A SONET/SDH container carrying a 2.048 Mb/s PDH/E1 channel for multiplexing lower-rate time-division signals into higher-rate optical networks.
Parallel ATA (PATA): An interface standard for connecting storage devices like hard drives and optical drives in desktop PCs.

Quick Knowledge Check

What maximum throughput does IDE (UDMA mode 4) approximately provide?

About 100 megabytes per second

About 66.7 megabytes per second

About 2.048 megabytes per second

What is the fixed data rate of a Virtual Tributary 2 (payload)?

2.048 Mb/s

66.7 Mb/s

257.8125 Mb/s

What is a common use case for converting IDE (UDMA mode 4) to Virtual Tributary 2?

To measure optical fiber attenuation

To integrate legacy PC data rates with SONET/SDH network planning

To assess battery life of portable devices

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