What does converting STS48 (signal) to ISDN (dual channel) represent?

It represents how many ISDN dual-channel links are equivalent in data capacity to a single STS48 (signal) channel.

Can I use ISDN (dual channel) to replace an STS48 connection?

Due to the vast difference in data rates and technology, ISDN (dual channel) cannot practically replace an STS48 channel; the conversion is used for capacity comparison.

What are typical use cases for this conversion?

Use cases include planning telecom backbone links, estimating legacy service migrations, and comparing data center interconnect options.

How to Convert from STS48 (signal) to ISDN (dual channel)?

Convert data transfer rates from STS48 (signal) to ISDN (dual channel) to understand the equivalent number of low-rate ISDN links matching a high-capacity STS-48 channel using our easy online unit converter.

STS48 (signal)

ISDN (dual channel)

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

STS48 (signal) to ISDN (dual channel) Conversion Table

STS48 (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.

STS48 (signal) to ISDN (dual channel) Conversion Table
STS48 (signal)	ISDN (dual channel)

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What Is This Tool?

This converter allows transforming data transfer units from STS48 (signal), a high-speed SONET signal, into ISDN (dual channel), a combined data channel in ISDN Basic Rate Interface. It helps quantify and compare data capacity between different telecommunications standards.

How to Use This Tool?

Enter the numeric value of STS48 (signal) you want to convert.
Select STS48 (signal) as the source unit and ISDN (dual channel) as the target unit.
Click convert to get the equivalent number of ISDN (dual channel) links.

Key Features

Converts data transfer units from STS48 (signal) to ISDN (dual channel).
Browser-based and user-friendly interface.
Displays equivalent low-rate ISDN dual-channel counts for a single high-rate STS-48 signal.
Supports telecommunications and data center use cases.

Examples

1 STS48 (signal) equals 19,440 ISDN (dual channel).
2 STS48 (signal) equals 38,880 ISDN (dual channel).

Common Use Cases

Planning carrier long-haul and metro backbone links with equivalent ISDN channel counts.
Comparing high-capacity optical transport to multiple ISDN dual channel connections for network design.
Estimating legacy data service migrations from high-speed SONET to ISDN configurations.

Tips & Best Practices

Understand the large difference in data rates between STS48 and ISDN dual channel when planning conversions.
Use this tool for planning and capacity estimation rather than direct substitution.
Consider technology contexts since ISDN (dual channel) is a service-level descriptor, while STS48 is a framing and transport standard.

Limitations

STS48 and ISDN (dual channel) differ greatly in scale and technology, making direct replacement impractical.
ISDN (dual channel) has limited throughput (~128 kbit/s) compared to STS48's high speed (~2.488 Gbit/s).
Conversion is mainly theoretical for capacity comparison, not for direct network implementation.

Frequently Asked Questions

What does converting STS48 (signal) to ISDN (dual channel) represent?: It represents how many ISDN dual-channel links are equivalent in data capacity to a single STS48 (signal) channel.
Can I use ISDN (dual channel) to replace an STS48 connection?: Due to the vast difference in data rates and technology, ISDN (dual channel) cannot practically replace an STS48 channel; the conversion is used for capacity comparison.
What are typical use cases for this conversion?: Use cases include planning telecom backbone links, estimating legacy service migrations, and comparing data center interconnect options.

Key Terminology

STS48 (signal): A SONET signal level equivalent to OC-48, providing a transport rate of about 2.488 Gbit/s for multiplexed digital payloads over optical fiber.
ISDN (dual channel): A telecommunication configuration using both 64 kbit/s bearer channels of an ISDN Basic Rate Interface in parallel to achieve approximately 128 kbit/s throughput.
Conversion Rate: The numeric factor indicating that 1 STS48 (signal) corresponds to 19,440 ISDN (dual channel) units.

Quick Knowledge Check

What is the approximate data rate of an STS48 (signal)?

128 kbit/s

2.488 Gbit/s

51.84 Mbit/s

How many ISDN (dual channel) links equal 1 STS48 (signal)?

19440

128

What is the primary use of ISDN (dual channel)?

High-capacity backbone transport

Combined two 64 kbit/s channels for ~128 kbit/s

Optical fiber multiplexing

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