What is SCSI (Ultra-2)?

SCSI (Ultra-2) is a parallel interface standard using Low Voltage Differential signaling to provide higher data-transfer rates and longer cable lengths for block storage and other peripherals.

What does OC3 measure?

OC3 stands for Optical Carrier level 3, representing a SONET optical transmission rate of 155.52 megabits per second used mainly for long-distance and backbone fiber transport.

Why convert between SCSI (Ultra-2) and OC3 units?

Conversion helps understand or compare data transfer rates between parallel storage interfaces and optical fiber backbone networks, aiding performance evaluation and network design.

How to Convert from SCSI (Ultra-2) to OC3

Convert data transfer rates from the SCSI (Ultra-2) standard to OC3 optical transmission units with this easy-to-use online tool. Understand and compare parallel data interfaces with optical fiber backbone speeds quickly.

SCSI (Ultra-2)

OC3

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

SCSI (Ultra-2) to OC3 Conversion Table

SCSI (Ultra-2)	OC3

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 OC3 Conversion Table
SCSI (Ultra-2)	OC3

Explore More Data Transfer Units Converter

What Is This Tool?

This tool allows users to convert data transfer measurements from SCSI (Ultra-2), a parallel Small Computer System Interface standard, to OC3, an optical carrier transmission rate used in synchronous optical networking. It helps compare the performance between parallel block storage interfaces and optical backbone links.

How to Use This Tool?

Enter the value in SCSI (Ultra-2) units that you want to convert.
Select the target unit as OC3 for the conversion output.
Click the convert button to see the equivalent value in OC3.
Review the results and apply them to your network or storage calculations.

Key Features

Supports conversion between SCSI (Ultra-2) data transfer rate and OC3 optical transmission rate.
Provides a clear conversion formula based on the nominal ratio between these units.
Includes practical examples to demonstrate typical conversions.
Browser-based tool requiring no installation.
Useful in data center, ISP, and telecom network contexts.

Examples

Converting 2 SCSI (Ultra-2) units results in approximately 8.2304526748 OC3.
Converting 0.5 SCSI (Ultra-2) units corresponds to about 2.0576131687 OC3.

Common Use Cases

Comparing data transfer rates between block-storage interfaces and optical fiber backbones.
Facilitating integration assessments in environments combining parallel and optical networking technologies.
Planning high-speed data center storage and networking infrastructure.
Evaluating performance in ISP backbone and enterprise WAN circuits.

Tips & Best Practices

Understand that this conversion offers a conceptual rate comparison rather than an exact physical equivalence.
Consider real-world factors like protocol overhead and signaling efficiency when interpreting results.
Use the tool to support performance assessment and integration planning but verify with actual system parameters.

Limitations

SCSI (Ultra-2) and OC3 are different technology types—parallel interfaces vs. optical transmission—so conversion is conceptual.
Nominal conversion values do not account for protocol overhead and signaling conditions affecting effective throughput.

Frequently Asked Questions

What is SCSI (Ultra-2)?: SCSI (Ultra-2) is a parallel interface standard using Low Voltage Differential signaling to provide higher data-transfer rates and longer cable lengths for block storage and other peripherals.
What does OC3 measure?: OC3 stands for Optical Carrier level 3, representing a SONET optical transmission rate of 155.52 megabits per second used mainly for long-distance and backbone fiber transport.
Why convert between SCSI (Ultra-2) and OC3 units?: Conversion helps understand or compare data transfer rates between parallel storage interfaces and optical fiber backbone networks, aiding performance evaluation and network design.

Key Terminology

SCSI (Ultra-2): A parallel Small Computer System Interface standard using Low Voltage Differential signaling for block-storage devices and peripherals.
OC3: Optical Carrier level 3, a SONET optical transmission rate of 155.52 megabits per second used in synchronous optical networking.
Low Voltage Differential (LVD): A signaling method used by SCSI (Ultra-2) to improve data transfer speed and cable length.

Quick Knowledge Check

What type of signaling does SCSI (Ultra-2) use?

Single-ended signaling

Low Voltage Differential (LVD) signaling

Optical signaling

What is the standard data rate of an OC3 link?

100 megabits per second

155.52 megabits per second

1 gigabit per second

What is a key limitation when converting SCSI (Ultra-2) to OC3?

They represent different technology types, making conversion conceptual

The conversion formula changes daily

Conversion provides exact physical equivalence

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