What does STS24 (signal) represent?

STS24 (signal) is a SONET Synchronous Transport Signal at level 24, combining 24 STS-1 channels into a higher-rate optical signal with a nominal line rate of about 1.244 Gbit/s.

What is ISDN (dual channel)?

ISDN (dual channel) uses both 64 kbit/s B channels of an ISDN Basic Rate Interface bonded together, providing a combined throughput of approximately 128 kbit/s.

Why convert from STS24 to ISDN (dual channel)?

Conversion helps relate the high-speed optical signal to the combined throughput of ISDN channels, useful for integrating modern and legacy network equipment and comparing bandwidth capacities.

How to Convert from STS24 (signal) to ISDN (dual channel)?

Convert data transfer values from STS24 (signal), a high-speed SONET level 24 signal, to ISDN (dual channel), which combines two 64 kbit/s ISDN bearer channels. Understand their equivalence for telecommunications and network applications.

STS24 (signal)

ISDN (dual channel)

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

STS24 (signal) to ISDN (dual channel) Conversion Table

STS24 (signal)	ISDN (dual channel)

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.

STS24 (signal) to ISDN (dual channel) Conversion Table
STS24 (signal)	ISDN (dual channel)

Explore More Data Transfer Units Converter

What Is This Tool?

This unit converter helps translate data transfer rates from STS24 (signal), a high-capacity synchronous optical network signal, to ISDN (dual channel), a combined data rate using two ISDN B channels. It simplifies comparisons between modern optical signals and legacy ISDN connections.

How to Use This Tool?

Enter the number of STS24 (signal) units to convert
Select ISDN (dual channel) as the target unit
View the converted value in ISDN (dual channel) units based on the given conversion rate

Key Features

Converts from STS24 (signal) to ISDN (dual channel) data transfer rates
Based on the equivalence: 1 STS24 (signal) equals 9720 ISDN (dual channel)
Supports understanding of large-scale optical transport vs. legacy ISDN bandwidth
Web-based and easy to use without software installation

Examples

1 STS24 (signal) equals 9720 ISDN (dual channel)
2 STS24 (signal) equals 19440 ISDN (dual channel)

Common Use Cases

Telecommunications engineers comparing SONET backbone signals to ISDN bonded channels
Data centers integrating high-speed optical links with lower-speed ISDN systems
Enterprises managing hybrid networks involving modern and legacy transport technologies
Understanding data throughput equivalences for network planning and capacity assessment

Tips & Best Practices

Use the tool to estimate data rate equivalences rather than exact throughput
Consider protocol overhead and physical layer differences when interpreting results
Apply conversions primarily for bandwidth comparison and network planning
Confirm real-world performance through testing beyond conversion calculations

Limitations

ISDN (dual channel) throughput is much lower than STS24 and unsuitable for high-speed needs
Conversion reflects comparative data rates, not direct unit substitutions
Payload overhead and encoding variations affect actual data transfer speeds
Real throughput can vary due to error correction and physical network conditions

Frequently Asked Questions

What does STS24 (signal) represent?: STS24 (signal) is a SONET Synchronous Transport Signal at level 24, combining 24 STS-1 channels into a higher-rate optical signal with a nominal line rate of about 1.244 Gbit/s.
What is ISDN (dual channel)?: ISDN (dual channel) uses both 64 kbit/s B channels of an ISDN Basic Rate Interface bonded together, providing a combined throughput of approximately 128 kbit/s.
Why convert from STS24 to ISDN (dual channel)?: Conversion helps relate the high-speed optical signal to the combined throughput of ISDN channels, useful for integrating modern and legacy network equipment and comparing bandwidth capacities.

Key Terminology

STS24 (signal): A SONET signal formed by multiplexing 24 STS-1 channels, with a nominal line rate near 1.244 Gbit/s used in optical backbone networks.
ISDN (dual channel): A data rate descriptor combining two 64 kbit/s ISDN bearer channels for roughly 128 kbit/s throughput, used in bonded ISDN Basic Rate Interface connections.
SONET: Synchronous Optical Network, a standard for optical telecommunications transport.

Quick Knowledge Check

What is the basic rate of one STS-1 channel multiplexed in STS24?

51.84 Mbit/s

64 kbit/s

128 kbit/s

What combined data rate does ISDN (dual channel) approximately provide?

128 kbit/s

1.244 Gbit/s

51.84 Mbit/s

Which use case fits the STS24 to ISDN (dual channel) conversion?

Comparing legacy ISDN throughput to high-speed optical signals

Converting units of length

Measuring temperature differences

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