What does modem (28.8k) represent?

Modem (28.8k) is an informal measure for a data rate of approximately 28,800 bits per second, typical of a 28.8k dial-up modem over an analog telephone line.

What is STS3c (signal)?

STS3c (signal) is a SONET electrical transport signal with a throughput of 155.52 Mbit/s, formed by concatenating three STS-1 channels to carry high-bandwidth data as a single payload.

Why convert between modem (28.8k) and STS3c?

This conversion helps compare older dial-up modem speeds with modern SONET backbone capacities for telecommunications planning and network engineering purposes.

How to Convert from Modem (28.8k) to STS3c (signal)?

Convert data transfer rates from legacy modem speeds (28.8k) to high-capacity SONET signals (STS3c). Understand key differences and applications for telecommunications and network planning.

Modem (28.8k)

STS3c (signal)

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

Modem (28.8k) to STS3c (signal) Conversion Table

Modem (28.8k)	STS3c (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.

Modem (28.8k) to STS3c (signal) Conversion Table
Modem (28.8k)	STS3c (signal)

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What Is This Tool?

This converter allows you to translate data transfer rates measured in modem (28.8k) units into STS3c (signal) values. It provides a way to compare legacy analog modem throughput with modern high-bandwidth SONET electrical signals commonly used in telecommunications networks.

How to Use This Tool?

Enter the numerical value representing the rate in modem (28.8k) units
Select 'modem (28.8k)' as the input unit
Choose 'STS3c (signal)' as the output unit
Click the convert button to view the converted rate
Review the output to compare the legacy and modern data rates

Key Features

Converts data transfer rates from modem (28.8k) to STS3c (signal) units
Reflects comparison between dial-up modem speeds and SONET backbone capacities
Supports understanding of bandwidth differences in telecom infrastructure
Browser-based and easy to use without additional software
Displays clear conversion based on defined rate equivalence

Examples

10 modem (28.8k) converts to 0.001851852 STS3c (signal)
100 modem (28.8k) converts to 0.01851852 STS3c (signal)
This demonstrates how multiple legacy modem speeds relate to a single high-capacity SONET channel

Common Use Cases

Estimating how legacy dial-up modem speeds compare against modern telecommunications backbones
Planning network upgrades by contextualizing modem data rates with SONET transport speeds
Capacity planning for service providers needing to bridge older and newer network technologies
Analyzing throughput limitations of analog modems versus high-bandwidth optical signals
Comparing performance between small-scale modem links and aggregated SONET circuits

Tips & Best Practices

Use this tool to understand relative bandwidth, not direct interoperability
Consider the different technology generations when interpreting conversions
Apply results in network engineering for legacy-modern system comparisons
Remember the conversion represents throughput rates without accounting for overhead or latency
Pair conversion insights with practical network deployment knowledge

Limitations

Conversion only compares data rates and does not imply protocol or equipment compatibility
Modem (28.8k) represents much lower speed and older technology than STS3c
Does not include factors like latency, error correction, or transport method differences
STS3c includes overhead and aggregation features absent from simple modem connections

Frequently Asked Questions

What does modem (28.8k) represent?: Modem (28.8k) is an informal measure for a data rate of approximately 28,800 bits per second, typical of a 28.8k dial-up modem over an analog telephone line.
What is STS3c (signal)?: STS3c (signal) is a SONET electrical transport signal with a throughput of 155.52 Mbit/s, formed by concatenating three STS-1 channels to carry high-bandwidth data as a single payload.
Why convert between modem (28.8k) and STS3c?: This conversion helps compare older dial-up modem speeds with modern SONET backbone capacities for telecommunications planning and network engineering purposes.

Key Terminology

modem (28.8k): A data transfer rate unit approximately equal to 28,800 bits per second, representing throughput of a 28.8k dial-up modem over analog telephone lines.
STS3c (signal): A SONET concatenated transport signal carrying three STS-1 channels as a single payload, with a data rate of 155.52 Mbit/s used in telecom networks.
SONET: Synchronous Optical Network, a standardized digital communications protocol used to transmit multiple digital bit streams over optical fiber.

Quick Knowledge Check

What type of data rate does modem (28.8k) indicate?

A fiber optic data rate

A dial-up modem speed approximately 28,800 bits per second

A wireless broadband speed standard

STS3c (signal) corresponds to which throughput?

28.8 kilobits per second

155.52 megabits per second

1 gigabit per second

What is a primary use case for converting modem (28.8k) to STS3c?

To measure latency differences in wireless networks

To compare legacy modem and modern SONET network speeds

To configure modem firmware settings

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