What does OC48 represent in optical networking?

OC-48 is a SONET optical transmission rate of 2.48832 Gbit/s used for high-capacity synchronous optical networking.

What is the STS3c (payload) unit?

STS-3c (payload) is a concatenated SONET payload container that provides a single contiguous transport channel with a gross line rate of 155.52 Mbps, commonly used to carry high-bandwidth client signals.

Why convert from OC48 to STS3c (payload)?

Converting from OC48 to STS3c (payload) helps with translating high-capacity optical transmission rates into smaller SONET payload containers for bandwidth planning and network capacity management.

Convert from OC48 to STS3c (payload) Data Transfer Units

Easily convert data transfer rates from OC48 to STS3c (payload) using this online unit converter. Understand the relationship between high-capacity SONET optical transmission rates and their payload containers for network planning.

OC48

STS3c (payload)

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OC48 to STS3c (payload) Conversion Table

OC48	STS3c (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.

OC48 to STS3c (payload) Conversion Table
OC48	STS3c (payload)

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What Is This Tool?

This converter allows you to translate data transfer rates from OC48, a high-capacity SONET optical carrier rate, to STS3c (payload), a SONET payload container. It helps telecom professionals and network engineers manage bandwidth allocation in optical networks.

How to Use This Tool?

Enter the value in OC48 units that you want to convert
Select OC48 as the original unit and STS3c (payload) as the target unit
Click the convert button to see the equivalent STS3c (payload) value
Use the result to assist in network capacity planning and client signal transport calculations

Key Features

Browser-based and easy to use for quick conversions
Accurately converts between specific SONET data transfer units
Supports conversions relevant to telecommunications and optical networking
Provides direct conversion values based on standardized SONET rates

Examples

1 OC48 converts to approximately 16.55 STS3c (payload)
2 OC48 units equal about 33.10 STS3c (payload)
Use these conversions to understand bandwidth equivalents between high-capacity optical rates and payload containers

Common Use Cases

Mapping backbone fiber links between regional Points-of-Presence (POPs) and long-haul carrier trunks
Managing ISP uplinks and aggregation links carrying large internet traffic volumes
Converting for metro ring transport and multiplexing of TDM or Ethernet circuits in service provider networks
Planning leased-line services for enterprises needing roughly 155 Mbps circuits
Transporting ATM, frame relay, or other client signals in optical transport networks

Tips & Best Practices

Always consider SONET framing and overhead when interpreting conversion results
Use this tool to facilitate network bandwidth allocation and signal transport planning
Verify network overhead factors and signal integrity in real-world scenarios
Apply conversions to better understand SONET payload interconnections in optical networking

Limitations

STS3c (payload) usable throughput is slightly less than theoretical due to framing and overhead bytes
Conversion rates do not account for real-world network overhead or signal degradation
Practical throughput may vary from calculated values depending on network conditions

Frequently Asked Questions

What does OC48 represent in optical networking?: OC-48 is a SONET optical transmission rate of 2.48832 Gbit/s used for high-capacity synchronous optical networking.
What is the STS3c (payload) unit?: STS-3c (payload) is a concatenated SONET payload container that provides a single contiguous transport channel with a gross line rate of 155.52 Mbps, commonly used to carry high-bandwidth client signals.
Why convert from OC48 to STS3c (payload)?: Converting from OC48 to STS3c (payload) helps with translating high-capacity optical transmission rates into smaller SONET payload containers for bandwidth planning and network capacity management.

Key Terminology

OC48: A SONET optical carrier rate of 2.48832 Gbit/s used for high-capacity synchronous networking over fiber.
STS3c (payload): A concatenated SONET payload container with a gross line rate of 155.52 Mbps, used to carry client signals within optical transport networks.
SONET: Synchronous Optical Networking, a standardized protocol that transfers multiple digital bit streams over optical fiber.

Quick Knowledge Check

What is the approximate line rate of OC48?

155.52 Mbps

2.48832 Gbit/s

51.84 Mbit/s

Which SONET payload container has a gross line rate close to 155 Mbps?

STS3c (payload)

OC48

TDM/Ethernet

Why should overhead be considered in conversions?

To improve signal speed

Because usable payload is slightly less due to framing and overhead

To increase throughput

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