What Is This Tool?
This converter helps transform values from STM-1 (signal), a high-speed fiber optic transmission unit, into SCSI (Fast), a legacy parallel storage bus measurement. It is designed to facilitate comparisons and integrations between telecommunications network speeds and older storage device interfaces.
How to Use This Tool?
-
Enter the value in STM-1 (signal) units you want to convert.
-
Select STM-1 (signal) as the source measurement.
-
Choose SCSI (Fast) as the target unit.
-
Click the convert button to see the equivalent amount in SCSI (Fast).
Key Features
-
Converts between STM-1 (signal) and SCSI (Fast) data transfer units
-
Provides conversion rate based on the equivalence of 1 STM-1 to 1.944 SCSI (Fast)
-
Supports use cases involving telecommunications and legacy storage systems
-
Online and easy to use without needing installation
-
Ideal for performance estimation across different transfer protocols
Examples
-
1 STM-1 (signal) is equivalent to 1.944 SCSI (Fast)
-
5 STM-1 (signal) converts to 9.72 SCSI (Fast)
Common Use Cases
-
Provisioning 155.52 Mbit/s fiber links in telecommunications networks
-
Aggregating lower-rate tributary circuits over SDH infrastructure
-
Linking legacy storage devices connected via Fast SCSI in older systems
-
Interfacing between SDH and SONET systems with data storage environments
-
Managing legacy IT and industrial equipment relying on parallel SCSI buses
Tips & Best Practices
-
Use this tool primarily for performance estimation and comparative analysis.
-
Remember that STM-1 and SCSI (Fast) represent different protocols and data encoding methods.
-
Ensure you understand the context of your conversion, especially when integrating telecommunications and storage systems.
Limitations
-
STM-1 data rates are continuous fiber optic transmission speeds measured in megabits per second (Mbit/s).
-
SCSI (Fast) indicates throughput for legacy parallel storage buses measured in megabytes per second (MB/s).
-
Conversions are conceptual and used for estimation rather than direct physical compatibility.
-
Different protocols and transmission methods mean no direct interchange between STM-1 and SCSI (Fast) devices.
Frequently Asked Questions
-
What does STM-1 (signal) stand for?
-
STM-1 (Synchronous Transport Module level-1) is the fundamental transmission unit in the Synchronous Digital Hierarchy, carrying a synchronous framed signal at a gross bit rate of 155.52 Mbit/s.
-
What is Fast SCSI used for?
-
Fast SCSI is an enhanced parallel SCSI bus that increases data transfer rates, typically used to connect legacy storage devices like hard drives and tape drives to servers or workstations.
-
Can STM-1 (signal) be directly replaced by SCSI (Fast)?
-
No, STM-1 and SCSI (Fast) represent different transmission and protocol methods, so this conversion is mainly for performance comparison and integration context rather than a direct replacement.
Key Terminology
-
STM-1 (signal)
-
A synchronous transport module level-1 unit in SDH carrying data at 155.52 Mbit/s, used in backbone fiber optic telecom networks.
-
SCSI (Fast)
-
An enhanced parallel SCSI bus extension that doubles original SCSI throughput, commonly used with legacy storage peripherals before serial interfaces.
-
Data Transfer Rate
-
A measurement of the speed at which data is transmitted between devices or over a network, expressed in bits or bytes per second.