What is STM-64 (signal)?

STM-64 (signal) is a high-capacity Synchronous Transport Module level‑64 signal in SDH networks with a line rate of approximately 10 Gbit/s, functionally equivalent to SONET OC‑192/STS‑192.

What does Virtual Tributary 2 (signal) represent?

Virtual Tributary 2 (VT2) is a sub-rate SONET/SDH signal carrying a 2.048 Mbps payload (an E1 channel), enabling multiplexing of lower-rate PDH circuits into higher-rate frames.

Why convert STM-64 signals to Virtual Tributary 2 signals?

Conversion enables breaking down high-capacity signals into smaller, manageable channels for multiplexing, network grooming, and integrating lower-rate client circuits such as E1 lines.

Convert STM-64 (signal) to Virtual Tributary 2 (signal) Online

Easily convert data transfer units from STM-64 (signal) to Virtual Tributary 2 (signal) with this online tool. Understand the key features, usage, and common applications for telecom network planning and interworking.

STM-64 (signal)

Virtual Tributary 2 (signal)

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

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

STM-64 (signal)	Virtual Tributary 2 (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.

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

Explore More Data Transfer Units Converter

What Is This Tool?

This converter allows you to transform data transfer measurements from STM-64 (signal) to Virtual Tributary 2 (signal), facilitating the breakdown of high-capacity SDH signals into lower-rate PDH channels for telecom network grooming and integration.

How to Use This Tool?

Enter the value in STM-64 (signal) units you wish to convert
Select STM-64 (signal) as the source unit and Virtual Tributary 2 (signal) as the target unit
Initiate the conversion to see the equivalent number of Virtual Tributary 2 (signal) units

Key Features

Converts data transfer rates from STM-64 to Virtual Tributary 2 seamlessly
Supports telecom network planning and optical transport system uses
Browser-based and easy to use with quick, accurate conversion
Handles high-capacity to lower-rate signal mapping with clarity

Examples

1 STM-64 (signal) equals 4320 Virtual Tributary 2 (signal)
2 STM-64 (signal) equals 8640 Virtual Tributary 2 (signal)

Common Use Cases

Breaking down high-speed SDH signals into manageable PDH circuits for network grooming
Planning and provisioning telecom networks involving E1/PDH services
Configuring SONET multiplexers and digital cross-connects with lower-rate channels
Supporting backbone network interconnections between SDH and SONET equipment

Tips & Best Practices

Verify network equipment compatibility with Virtual Tributary 2 configurations
Consider protocol overheads and error corrections when planning capacity
Use the tool as a guiding reference for telecom engineering and provisioning
Ensure proper grooming of circuits to optimize network bandwidth usage

Limitations

Conversion reflects ideal multiplexing conditions without accounting for overhead
Equipment differences may restrict support for all VT2 signal configurations
Actual throughput may vary due to protocol overhead and error correction schemes

Frequently Asked Questions

What is STM-64 (signal)?: STM-64 (signal) is a high-capacity Synchronous Transport Module level‑64 signal in SDH networks with a line rate of approximately 10 Gbit/s, functionally equivalent to SONET OC‑192/STS‑192.
What does Virtual Tributary 2 (signal) represent?: Virtual Tributary 2 (VT2) is a sub-rate SONET/SDH signal carrying a 2.048 Mbps payload (an E1 channel), enabling multiplexing of lower-rate PDH circuits into higher-rate frames.
Why convert STM-64 signals to Virtual Tributary 2 signals?: Conversion enables breaking down high-capacity signals into smaller, manageable channels for multiplexing, network grooming, and integrating lower-rate client circuits such as E1 lines.

Key Terminology

STM-64 (signal): A high-capacity Synchronous Transport Module level‑64 signal in SDH with a line rate near 10 Gbit/s, used in core backbone networks.
Virtual Tributary 2 (signal): A sub-rate SONET/SDH signal carrying a 2.048 Mbps payload that multiplexes lower-rate PDH circuits into higher-rate frames.
Synchronous Digital Hierarchy (SDH): A standardized multiplexing protocol that transfers multiple digital bit streams over optical fiber using lasers or light-emitting diodes.

Quick Knowledge Check

What is the approximate line rate of an STM-64 signal?

155.52 Mbit/s

Approximately 10 Gbit/s

2.048 Mbps

What payload rate does Virtual Tributary 2 carry?

9.95328 Gbit/s

2.048 Mbps

155.52 Mbit/s

What is the conversion factor from STM-64 to Virtual Tributary 2?

1 STM-64 = 4320 VT2

1 STM-64 = 64 VT2

1 STM-64 = 192 VT2

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