What is Virtual Tributary 2 (VT2)?

Virtual Tributary 2 is a SONET/SDH sub-rate signal format carrying a 2.048 Mbps payload (an E1 channel) to multiplex lower-rate PDH circuits into higher-rate containers.

What does STM-64 represent in telecommunications?

STM-64 is a high-capacity Synchronous Transport Module level 64 signal with a line rate around 10 Gbit/s, used for core and long-haul fiber links.

Why convert VT2 signals into STM-64 signals?

Conversion enables efficient multiplexing, capacity planning, and provisioning by aggregating multiple VT2 signals into a single high-rate STM-64 channel.

How to Convert from Virtual Tributary 2 (signal) to STM-64 (signal)?

Learn how to convert data transfer units from Virtual Tributary 2 (VT2) signals to STM-64 signals using a simple online tool designed for telecommunications professionals and network engineers.

Virtual Tributary 2 (signal)

STM-64 (signal)

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

Virtual Tributary 2 (signal) to STM-64 (signal) Conversion Table

Virtual Tributary 2 (signal)	STM-64 (signal)

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.

Virtual Tributary 2 (signal) to STM-64 (signal) Conversion Table
Virtual Tributary 2 (signal)	STM-64 (signal)

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What Is This Tool?

This converter helps translate the data rate and signal format of Virtual Tributary 2 (VT2) into STM-64 signals. It is essential for telecom experts dealing with multiplexing E1 channels into high-capacity SDH networks and managing optical transport systems.

How to Use This Tool?

Enter the number of Virtual Tributary 2 (VT2) signals you want to convert.
Select Virtual Tributary 2 (signal) as the input unit and STM-64 (signal) as the output unit.
Click convert to get the equivalent STM-64 signals according to the conversion rate.
Use the results to assist in network design and traffic aggregation.

Key Features

Supports conversion between Virtual Tributary 2 (VT2) and STM-64 signals.
Based on established telecom standards for SONET/SDH signal formats.
Facilitates capacity planning and provisioning in carrier backbone networks.
Ideal for configuring multiplexers and network equipment interworking.

Examples

10 Virtual Tributary 2 signals convert to 0.002314815 STM-64 signals.
100 Virtual Tributary 2 signals convert to 0.02314815 STM-64 signals.

Common Use Cases

Transporting E1 circuits over a SONET backbone using VT2 signals.
Aggregating multiple lower-rate PDH channels into an STM-64 signal for high-capacity transport.
Designing and operating carrier backbone optical fiber links at about 10 Gbit/s.
Configuring SONET multiplexers and digital cross‑connects for network traffic grooming.

Tips & Best Practices

Ensure precise synchronization of VT2 channels before converting to STM-64 signals.
Use specialized hardware and optical infrastructure suited for STM-64 line rates.
Consider the multiplexing environment to avoid overhead and signaling delays.
Verify network equipment compatibility when interworking SDH and SONET systems.

Limitations

STM-64 signals require advanced hardware and optical systems due to high line rate requirements.
Conversion assumes ideal multiplexing without accounting for overhead or signaling delays.
VT2 channels must be synchronized accurately to fit into STM-64 frames.

Frequently Asked Questions

What is Virtual Tributary 2 (VT2)?: Virtual Tributary 2 is a SONET/SDH sub-rate signal format carrying a 2.048 Mbps payload (an E1 channel) to multiplex lower-rate PDH circuits into higher-rate containers.
What does STM-64 represent in telecommunications?: STM-64 is a high-capacity Synchronous Transport Module level 64 signal with a line rate around 10 Gbit/s, used for core and long-haul fiber links.
Why convert VT2 signals into STM-64 signals?: Conversion enables efficient multiplexing, capacity planning, and provisioning by aggregating multiple VT2 signals into a single high-rate STM-64 channel.

Key Terminology

Virtual Tributary 2 (VT2): A SONET/SDH sub-rate signal format carrying a 2.048 Mbps E1 payload inside higher-rate frames for multiplexing PDH circuits.
STM-64 (Synchronous Transport Module level 64): A high-capacity signal in SDH at approximately 10 Gbit/s line rate, used for core and long-haul optical fiber networks.
SONET/SDH: Standardized protocols for synchronous data transmission on optical networks used in telecommunications.

Quick Knowledge Check

What payload does a Virtual Tributary 2 (VT2) signal carry?

64 × 155.52 Mbit/s

2.048 Mbps

9.95328 Gbit/s

What is STM-64 commonly used for?

Aggregating lower-rate PDH channels into high-capacity fiber links

Carrying E1 circuits at 2.048 Mbps

Multiplexing VT2 signals into E1 frames

Which statement is true regarding converting VT2 to STM-64?

Conversion ignores synchronization of VT2 channels

Conversion factor assumes ideal multiplexing without overhead

STM-64 signals carry only PDH channels

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