What does STS3 (payload) represent?

STS3 (payload) denotes the user-data part of an STS-3 SONET frame excluding framing and overhead bytes.

What is Virtual Tributary 2 (signal) used for?

Virtual Tributary 2 carries 2.048 Mbps E1 signals inside higher-rate SONET frames, enabling multiplexing of lower-rate PDH circuits.

How to Convert STS3 (payload) to Virtual Tributary 2 (signal)

Q: Why convert STS3 (payload) to Virtual Tributary 2 (signal)?

Conversion helps translate high-rate payloads into equivalent low-rate VT2 channels for efficient network provisioning and billing.

Easily convert data transfer units from STS3 (payload) to Virtual Tributary 2 (signal) for telecommunications network planning and configuration using our online converter tool.

STS3 (payload)

Virtual Tributary 2 (signal)

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

STS3 (payload) to Virtual Tributary 2 (signal) Conversion Table

STS3 (payload)	Virtual Tributary 2 (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.

STS3 (payload) to Virtual Tributary 2 (signal) Conversion Table
STS3 (payload)	Virtual Tributary 2 (signal)

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What Is This Tool?

This tool allows users to convert from STS3 (payload), the data portion of a SONET STS‑3 frame, to Virtual Tributary 2 (signal), a SONET/SDH format carrying 2.048 Mbps payloads, facilitating network planning and management in telecom infrastructures.

How to Use This Tool?

Enter the value in STS3 (payload) that you want to convert
Select STS3 (payload) as the source unit
Choose Virtual Tributary 2 (signal) as the target unit
Click the convert button to get the equivalent number of VT2 channels

Key Features

Converts STS3 (payload) capacity to equivalent Virtual Tributary 2 (signal) channels
Uses standard SONET/SDH data transfer definitions
Supports telecom network provisioning and capacity planning tasks
Provides conversion examples for ease of understanding
Browser-based and user-friendly interface

Examples

1 STS3 (payload) equals 65.25 Virtual Tributary 2 (signal)
3 STS3 (payload) equals 195.75 Virtual Tributary 2 (signal)

Common Use Cases

Provisioning and capacity planning for OC-3 carrier backbone links
Transporting E1 (2.048 Mbps) circuits over a SONET backbone
Configuring SONET multiplexers or digital cross-connects to groom PDH channels
Billing and service level agreement measurement for leased-line transport services

Tips & Best Practices

Verify that the SONET payload sizes conform to standard definitions before converting
Use conversions for network design and traffic engineering involving SONET and PDH circuits
Check conversion results against specific network configurations to ensure accuracy

Limitations

Applicable only for standard SONET payload configurations; variations may affect results
Specific to SONET/SDH systems and not valid for other network types or protocols
Does not account for differences in framing overhead or custom network implementations

Frequently Asked Questions

What does STS3 (payload) represent?: STS3 (payload) denotes the user-data part of an STS-3 SONET frame excluding framing and overhead bytes.
What is Virtual Tributary 2 (signal) used for?: Virtual Tributary 2 carries 2.048 Mbps E1 signals inside higher-rate SONET frames, enabling multiplexing of lower-rate PDH circuits.
Why convert STS3 (payload) to Virtual Tributary 2 (signal)?: Conversion helps translate high-rate payloads into equivalent low-rate VT2 channels for efficient network provisioning and billing.

Key Terminology

STS3 (payload): User-data portion of a SONET STS-3 frame excluding framing and overhead bytes, with a line rate of 155.52 Mbit/s.
Virtual Tributary 2 (signal): A SONET/SDH sub-rate signal format carrying a 2.048 Mbps payload (E1 channel) inside higher-rate SONET frames.
SONET: Synchronous Optical Network, a standard for optical telecommunications transport.
PDH: Plesiochronous Digital Hierarchy, a technology for transporting digital signals.

Quick Knowledge Check

What data rate does the STS3 line rate correspond to?

155.52 Mbit/s

2.048 Mbps

65.25 Mbps

Virtual Tributary 2 signal carries what payload rate?

2.048 Mbps

155.52 Mbit/s

65.25 Mbps

One STS3 (payload) is equivalent to how many VT2 signals?

195.75 VT2

65.25 VT2

3 VT2

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