What does SCSI (Ultra-2) represent?

SCSI (Ultra-2) is a parallel Small Computer System Interface standard that uses Low Voltage Differential signaling to provide higher data-transfer performance and longer cable lengths for block storage devices.

What is the significance of STS1 (payload) in networking?

STS1 (payload) refers to the user-data capacity within a SONET STS-1 frame, typically used for provisioning carrier circuits and calculating throughput in optical networks.

Can this converter be used to account for network overhead?

No, the converter does not account for protocol overhead or encapsulation effects, so actual throughput might differ from the calculated values.

How to Convert from SCSI (Ultra-2) to STS1 (payload)?

Learn how to convert data transfer rates from SCSI (Ultra-2) interfaces to STS1 (payload) rates for applications in data centers and telecommunications.

SCSI (Ultra-2)

STS1 (payload)

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

SCSI (Ultra-2) to STS1 (payload) Conversion Table

SCSI (Ultra-2)	STS1 (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.

SCSI (Ultra-2) to STS1 (payload) Conversion Table
SCSI (Ultra-2)	STS1 (payload)

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What Is This Tool?

This converter helps translate data transfer performance values from the SCSI (Ultra-2) standard, a parallel block-storage interface, into equivalent STS1 (payload) rates used in SONET optical transport networks. It is useful for professionals working in data center storage and telecommunications planning.

How to Use This Tool?

Input the value in SCSI (Ultra-2) units that you wish to convert
Select SCSI (Ultra-2) as the input unit and STS1 (payload) as the output unit
Click the convert button to see the equivalent STS1 (payload) rate
Use the result to aid in network provisioning or capacity planning

Key Features

Converts data transfer units between SCSI (Ultra-2) and STS1 (payload)
Supports network and storage capacity planning
Based on standard protocol definitions and signaling rates
Includes example conversions for quick reference
Browser-based and easy to use for rapid calculations

Examples

1 SCSI (Ultra-2) equals approximately 12.93 STS1 (payload)
5 SCSI (Ultra-2) equals approximately 64.65 STS1 (payload)

Common Use Cases

Connecting enterprise disk arrays and RAID controllers to servers for block storage
Provisioning OC-1/STS-1 circuits on carrier backbones to carry DS3 or multiple DS1 channels
Capacity planning for SONET rings based on user throughput capacity
Mapping Ethernet frames or ATM cells into the STS-1 Synchronous Payload Envelope
Integrating legacy SCSI storage devices with SONET-based optical transport networks

Tips & Best Practices

Use standardized unit definitions to ensure consistent conversions
Confirm your network environment to understand how signaling differences may affect throughput
Apply this converter for preliminary capacity estimation before detailed protocol analysis
Review conversion examples to validate your input values
Combine converter results with real-world data for accurate network provisioning

Limitations

Conversion does not consider potential protocol overhead or encapsulation
Actual throughput may vary due to differences in signaling techniques and network conditions
Assumes standard definitions without adjustment for specific device behaviors

Frequently Asked Questions

What does SCSI (Ultra-2) represent?: SCSI (Ultra-2) is a parallel Small Computer System Interface standard that uses Low Voltage Differential signaling to provide higher data-transfer performance and longer cable lengths for block storage devices.
What is the significance of STS1 (payload) in networking?: STS1 (payload) refers to the user-data capacity within a SONET STS-1 frame, typically used for provisioning carrier circuits and calculating throughput in optical networks.
Can this converter be used to account for network overhead?: No, the converter does not account for protocol overhead or encapsulation effects, so actual throughput might differ from the calculated values.

Key Terminology

SCSI (Ultra-2): A parallel SCSI interface standard using Low Voltage Differential signaling to enhance data-transfer rates and cable distance.
STS1 (payload): The user-data portion within an STS-1 SONET frame representing a capacity of approximately 50.112 Mbps.
SONET: Synchronous Optical Network, a standardized optical telecommunications transport protocol.

Quick Knowledge Check

What does converting from SCSI (Ultra-2) to STS1 (payload) help with?

Calculating electrical power consumption

Translating storage interface rates to network payload capacity

Determining physical cable length

Which signaling method does SCSI (Ultra-2) use?

Single-ended signaling

Low Voltage Differential signaling

Optical signaling

What is the typical STS1 line rate?

50.112 Mbps

51.84 Mbps

12.93 Mbps

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