What does STS3c (signal) represent?

STS3c is a SONET electrical transport signal representing a concatenated payload formed by combining three STS-1 channels with a data rate of 155.52 Mbit/s.

How is ISDN (dual channel) configured?

ISDN (dual channel) uses both 64 kbit/s B channels of an ISDN Basic Rate Interface combined in parallel to provide about 128 kbit/s data throughput.

Why convert from STS3c to ISDN dual channel units?

Conversion helps compare high-bandwidth SONET backbone rates with more granular ISDN channel rates, aiding network planning and compatibility assessments.

Can I directly replace hardware based on this conversion?

No, the conversion is theoretical and does not guarantee direct hardware interchange due to technology and protocol differences.

How to Convert from STS3c (signal) to ISDN (dual channel)?

Convert data transfer rates from STS3c (a high-bandwidth SONET signal) to ISDN (dual channel) for network planning and comparison between different telecom systems.

STS3c (signal)

ISDN (dual channel)

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

STS3c (signal) to ISDN (dual channel) Conversion Table

STS3c (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.

STS3c (signal) to ISDN (dual channel) Conversion Table
STS3c (signal)	ISDN (dual channel)

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What Is This Tool?

This converter allows you to translate data transfer rates from STS3c, a SONET electrical transport signal with a data rate of 155.52 Mbit/s, into ISDN dual channel units, which represent bonded ISDN Basic Rate Interface channels with combined throughput of approximately 128 kbit/s.

How to Use This Tool?

Enter the value in STS3c (signal) units you want to convert.
Select the target unit as ISDN (dual channel).
Click on the convert button to see the equivalent number of ISDN dual channels.
Use the provided result to assist with telecom planning and equipment compatibility analysis.

Key Features

Converts high-bandwidth SONET STS3c signals into ISDN dual channel equivalents.
Provides a straightforward calculation based on the conversion factor of 1 STS3c equals 1215 ISDN dual channels.
Supports comparisons between different telecommunication data-transfer rates for network planning.
Browser-based and easy to use with no installation required.

Examples

2 STS3c (signal) converts to 2430 ISDN (dual channel).
Half an STS3c (signal) equals 607.5 ISDN (dual channel).

Common Use Cases

Comparing high-capacity SONET backbone throughput to granular ISDN channel rates during network design.
Planning interconnection of SONET equipment with ISDN or legacy network components.
Assessing data transfer capabilities in mixed telecommunications infrastructures.

Tips & Best Practices

Understand that ISDN (dual channel) represents a bonded service configuration, not a raw signal rate.
Use conversion primarily for theoretical comparisons or network planning purposes.
Be aware of differing network protocols and service overheads that affect practical throughput.

Limitations

Conversion is between different transport technologies and service-level descriptors, so results are approximate.
Bandwidth scales differ greatly; direct hardware interchange cannot be assumed from conversion alone.
Does not account for overhead, encoding, or error correction differences between SONET and ISDN signals.

Frequently Asked Questions

What does STS3c (signal) represent?: STS3c is a SONET electrical transport signal representing a concatenated payload formed by combining three STS-1 channels with a data rate of 155.52 Mbit/s.
How is ISDN (dual channel) configured?: ISDN (dual channel) uses both 64 kbit/s B channels of an ISDN Basic Rate Interface combined in parallel to provide about 128 kbit/s data throughput.
Why convert from STS3c to ISDN dual channel units?: Conversion helps compare high-bandwidth SONET backbone rates with more granular ISDN channel rates, aiding network planning and compatibility assessments.
Can I directly replace hardware based on this conversion?: No, the conversion is theoretical and does not guarantee direct hardware interchange due to technology and protocol differences.

Key Terminology

STS3c (signal): A SONET electrical transport signal formed by concatenating three STS-1 channels, with a data rate of 155.52 Mbit/s, for carrying high-bandwidth streams.
ISDN (dual channel): A telecommunication data rate using two 64 kbit/s B channels bonded in parallel within an ISDN Basic Rate Interface to reach about 128 kbit/s.
SONET: Synchronous Optical Network, a standardized digital communication protocol used to transmit large volumes of data over optical fiber.
Channel Bonding: A method combining multiple communication channels in parallel to increase the total data throughput.

Quick Knowledge Check

What is the gross data rate of an STS3c (signal)?

64 kbit/s

155.52 Mbit/s

128 kbit/s

How many ISDN (dual channel) units are equivalent to 1 STS3c (signal)?

1215

155

What does ISDN (dual channel) represent?

Two 64 kbit/s B channels bonded

A SONET payload container

An optical network interface

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