What is the difference between gigabit per second (SI definition) and gibibit per second?

Gigabit per second (SI) is based on 10^9 bits per second, while gibibit per second uses the binary factor 2^30. This converter uses the SI definition.

What is the fixed data capacity of an STS1 (payload) frame?

An STS1 payload carries a usable synchronous payload envelope of about 50.112 Mbps.

Can this conversion be used outside of SONET network contexts?

No, this conversion is specific to SONET technology and may not apply in other data transport scenarios.

How to Convert from Gigabit/second (SI def.) to STS1 (payload)?

Learn how to convert data transfer rates from gigabit per second (SI definition) to STS1 (payload) for effective telecommunications planning and network management.

Gigabit/second (SI def.)

STS1 (payload)

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

Gigabit/second (SI def.) to STS1 (payload) Conversion Table

Gigabit/second (SI def.)	STS1 (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.

Gigabit/second (SI def.) to STS1 (payload) Conversion Table
Gigabit/second (SI def.)	STS1 (payload)

Explore More Data Transfer Units Converter

What Is This Tool?

This unit converter translates data transfer rates measured in gigabit per second (SI definition) into STS1 (payload) values used in synchronous optical networking. It assists users in understanding and managing the data capacity within SONET STS1 frames.

How to Use This Tool?

Enter the data transfer rate value in gigabit per second (SI definition).
Select STS1 (payload) as the target unit for conversion.
Convert to see the equivalent STS1 payload capacity corresponding to the entered value.

Key Features

Converts from gigabit per second (SI def.) to STS1 (payload) data transfer rates.
Browser-based and easy to use for network engineers and telecommunications professionals.
Supports translation between general data rates and SONET-specific payload capacities.

Examples

1 Gbit/s converts to approximately 20.202 STS1 (payload).
0.5 Gbit/s converts to approximately 10.101 STS1 (payload).

Common Use Cases

Translating general high-speed data rates into SONET payload capacities for network planning.
Provisioning OC-1/STS-1 circuits in carrier backbone networks.
Calculating user-data throughput on SONET rings to support service-level agreements.

Tips & Best Practices

Ensure you understand that gigabit per second is a raw bit rate and may not include overhead.
Use this conversion primarily for synchronous optical network contexts involving SONET.
Consider capacity fixed at about 50.112 Mbps per STS1 payload when planning.

Limitations

STS1 (payload) capacity is fixed, limiting the variability of results for different SONET frames.
Gigabit per second rates represent raw bits and may not reflect usable throughput after protocol overhead.
Conversion applies only within SONET technology and synchronous optical transport contexts.

Frequently Asked Questions

What is the difference between gigabit per second (SI definition) and gibibit per second?: Gigabit per second (SI) is based on 10^9 bits per second, while gibibit per second uses the binary factor 2^30. This converter uses the SI definition.
What is the fixed data capacity of an STS1 (payload) frame?: An STS1 payload carries a usable synchronous payload envelope of about 50.112 Mbps.
Can this conversion be used outside of SONET network contexts?: No, this conversion is specific to SONET technology and may not apply in other data transport scenarios.

Key Terminology

Gigabit/second (SI def.): A data transfer rate equal to 10^9 bits per second, commonly used to express link capacity and throughput in networking.
STS1 (payload): The user-data capacity inside an STS1 frame in SONET, with a fixed payload rate of about 50.112 Mbps.
SONET: Synchronous Optical Network technology used for optical telecommunications transport.

Quick Knowledge Check

What is the data transfer rate equivalent of 1 gigabit per second in STS1 (payload)?

Approximately 10.101 STS1 (payload)

Approximately 20.202 STS1 (payload)

Approximately 50.112 STS1 (payload)

What does STS1 (payload) represent in SONET?

User-data capacity inside an STS1 frame

Physical line rate of 1 Gbit/s

Binary data rate using 2^30 bits

Why might gigabit per second not reflect actual throughput?

Because it uses binary conversion instead of decimal

Because it represents raw bit rate and may not consider protocol overhead

Because it includes STS1 payload limitations

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