What does OC768 represent?

OC768 is a high-capacity optical carrier rate in the SONET hierarchy with a line speed of approximately 39.8 Gbit/s, used primarily for fiber-optic backbone links.

What is a Virtual Tributary 2 (VT2) signal?

VT2 is a SONET/SDH sub-rate signal format carrying a 2.048 Mbps payload, commonly used to transmit E1 channels within higher-rate SONET frames.

Why convert OC768 to VT2 signals?

Converting OC768 to VT2 signals helps break down a high-speed optical signal into multiple manageable lower-rate channels for network planning and efficient equipment configuration.

How to Convert from OC768 to Virtual Tributary 2 (signal)

Learn how to convert the high-capacity optical carrier rate OC768 into multiple Virtual Tributary 2 (VT2) signals for effective telecom network planning and equipment configuration.

OC768

Virtual Tributary 2 (signal)

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

OC768 to Virtual Tributary 2 (signal) Conversion Table

OC768	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.

OC768 to Virtual Tributary 2 (signal) Conversion Table
OC768	Virtual Tributary 2 (signal)

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What Is This Tool?

This converter transforms data from OC768, a high-speed optical carrier rate used in fiber-optic backbone links, into Virtual Tributary 2 (VT2) signals, which are lower-rate SONET/SDH sub-signals carrying 2.048 Mbps payloads. It helps in breaking down complex high-capacity signals into manageable units.

How to Use This Tool?

Enter the value in OC768 units you want to convert.
Select Virtual Tributary 2 (signal) as the target unit.
Review the converted result showing the equivalent number of VT2 signals.
Use the output for network configuration and capacity planning.

Key Features

Converts data transfer rates from OC768 to Virtual Tributary 2 (signal).
Supports telecom backbone and DWDM fiber-optic transport applications.
Facilitates network planning by mapping high-capacity signals to lower-rate E1 channels.
Provides exact conversion rate of 1 OC768 equals 17280 VT2 signals.

Examples

1 OC768 equals 17280 Virtual Tributary 2 (signal).
2 OC768 equals 34560 Virtual Tributary 2 (signal).

Common Use Cases

Breaking down high-capacity OC768 optical signals into VT2 E1 channels for detailed network planning.
Configuring SONET multiplexers or digital cross-connects to handle multiple lower-rate PDH circuits.
Capacity planning and provisioning in telecom networks carrying E1/PDH services over SONET.

Tips & Best Practices

Ensure standard SONET/SDH framing is used when converting values to maintain accuracy.
Use this conversion for planning rather than exact physical layer performance estimations.
Account for network equipment capabilities when provisioning VT2 signals from OC768 links.

Limitations

Conversion assumes typical SONET/SDH framing and standard signal rates; actual throughput may vary.
VT2 signals have a fixed 2.048 Mbps payload which limits flexibility for non-PDH data.
Physical-layer conditions and equipment may limit the practical number of VT2 signals per OC768.

Frequently Asked Questions

What does OC768 represent?: OC768 is a high-capacity optical carrier rate in the SONET hierarchy with a line speed of approximately 39.8 Gbit/s, used primarily for fiber-optic backbone links.
What is a Virtual Tributary 2 (VT2) signal?: VT2 is a SONET/SDH sub-rate signal format carrying a 2.048 Mbps payload, commonly used to transmit E1 channels within higher-rate SONET frames.
Why convert OC768 to VT2 signals?: Converting OC768 to VT2 signals helps break down a high-speed optical signal into multiple manageable lower-rate channels for network planning and efficient equipment configuration.

Key Terminology

OC768: An optical carrier rate in the SONET hierarchy with a line speed of about 39.8 Gbit/s, used in high-capacity fiber-optic backbone networks.
Virtual Tributary 2 (VT2): A SONET/SDH sub-rate signal carrying a 2.048 Mbps payload (E1 channel) inside higher-rate SONET frames for multiplexing lower-rate circuits.
SONET: Synchronous Optical Network, a standardized digital communication protocol used to transmit data over optical fiber.
E1 Channel: A digital transmission format with a payload of 2.048 Mbps commonly used in telecommunications.

Quick Knowledge Check

What is the approximate line speed of an OC768 signal?

10 Gbit/s

39.8 Gbit/s

2.048 Mbps

What payload rate does a Virtual Tributary 2 carry?

2.048 Mbps

17280 Mbps

39.81312 Gbit/s

How many Virtual Tributary 2 signals equal 1 OC768?

17280

768

39.8

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