Online Data Transfer Units Converter
How to Convert from OC3 to IDE (PIO mode 3)?

How to Convert from OC3 to IDE (PIO mode 3)?

Learn how to convert data transfer rates from OC3, a high-speed optical transmission standard, to IDE (PIO mode 3), a legacy parallel ATA transfer mode. Understand use cases, conversion formulas, and limitations.

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

OC3 to IDE (PIO mode 3) Conversion Table

OC3 IDE (PIO mode 3)

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.
Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.
OC3 to IDE (PIO mode 3) Conversion Table
OC3 IDE (PIO mode 3)

Explore More Data Transfer Units Converter

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  2. How to convert from OC3 to bit/second [b/s]?
  3. How to convert from byte/second [B/s] to OC3?
  4. How to convert from OC3 to byte/second [B/s]?
  5. How to convert from kilobit/second (SI def.) to OC3?
  6. How to convert from OC3 to kilobit/second (SI def.)?
  7. How to convert from kilobyte/second (SI def.) to OC3?
  8. How to convert from OC3 to kilobyte/second (SI def.)?
  9. How to convert from kilobit/second [kb/s] to OC3?
  10. How to convert from OC3 to kilobit/second [kb/s]?
  11. How to convert from kilobyte/second [kB/s] to OC3?
  12. How to convert from OC3 to kilobyte/second [kB/s]?
  13. How to convert from megabit/second (SI def.) to OC3?
  14. How to convert from OC3 to megabit/second (SI def.)?
  15. How to convert from megabyte/second (SI def.) to OC3?
  16. How to convert from OC3 to megabyte/second (SI def.)?
  17. How to convert from megabit/second [Mb/s] to OC3?
  18. How to convert from OC3 to megabit/second [Mb/s]?
  19. How to convert from megabyte/second [MB/s] to OC3?
  20. How to convert from OC3 to megabyte/second [MB/s]?
  21. How to convert from gigabit/second (SI def.) to OC3?
  22. How to convert from OC3 to gigabit/second (SI def.)?
  23. How to convert from gigabyte/second (SI def.) to OC3?
  24. How to convert from OC3 to gigabyte/second (SI def.)?
  25. How to convert from gigabit/second [Gb/s] to OC3?
  26. How to convert from OC3 to gigabit/second [Gb/s]?
  27. How to convert from gigabyte/second [GB/s] to OC3?
  28. How to convert from OC3 to gigabyte/second [GB/s]?
  29. How to convert from terabit/second (SI def.) to OC3?
  30. How to convert from OC3 to terabit/second (SI def.)?
  31. How to convert from terabyte/second (SI def.) to OC3?
  32. How to convert from OC3 to terabyte/second (SI def.)?
  33. How to convert from terabit/second [Tb/s] to OC3?
  34. How to convert from OC3 to terabit/second [Tb/s]?
  35. How to convert from terabyte/second [TB/s] to OC3?
  36. How to convert from OC3 to terabyte/second [TB/s]?
  37. How to convert from ethernet to OC3?
  38. How to convert from OC3 to ethernet?
  39. How to convert from ethernet (fast) to OC3?
  40. How to convert from OC3 to ethernet (fast)?
  41. How to convert from ethernet (gigabit) to OC3?
  42. How to convert from OC3 to ethernet (gigabit)?
  43. How to convert from OC1 to OC3?
  44. How to convert from OC3 to OC1?
  45. How to convert from OC12 to OC3?
  46. How to convert from OC3 to OC12?
  47. How to convert from OC24 to OC3?
  48. How to convert from OC3 to OC24?
  49. How to convert from OC48 to OC3?
  50. How to convert from OC3 to OC48?
  51. How to convert from OC192 to OC3?
  52. How to convert from OC3 to OC192?
  53. How to convert from OC768 to OC3?
  54. How to convert from OC3 to OC768?
  55. How to convert from ISDN (single channel) to OC3?
  56. How to convert from OC3 to ISDN (single channel)?
  57. How to convert from ISDN (dual channel) to OC3?
  58. How to convert from OC3 to ISDN (dual channel)?
  59. How to convert from modem (110) to OC3?
  60. How to convert from OC3 to modem (110)?
  61. How to convert from modem (300) to OC3?
  62. How to convert from OC3 to modem (300)?
  63. How to convert from modem (1200) to OC3?
  64. How to convert from OC3 to modem (1200)?
  65. How to convert from modem (2400) to OC3?
  66. How to convert from OC3 to modem (2400)?
  67. How to convert from modem (9600) to OC3?
  68. How to convert from OC3 to modem (9600)?
  69. How to convert from modem (14.4k) to OC3?
  70. How to convert from OC3 to modem (14.4k)?
  71. How to convert from modem (28.8k) to OC3?
  72. How to convert from OC3 to modem (28.8k)?
  73. How to convert from modem (33.6k) to OC3?
  74. How to convert from OC3 to modem (33.6k)?
  75. How to convert from modem (56k) to OC3?
  76. How to convert from OC3 to modem (56k)?
  77. How to convert from SCSI (Async) to OC3?
  78. How to convert from OC3 to SCSI (Async)?
  79. How to convert from SCSI (Sync) to OC3?
  80. How to convert from OC3 to SCSI (Sync)?
  81. How to convert from SCSI (Fast) to OC3?
  82. How to convert from OC3 to SCSI (Fast)?
  83. How to convert from SCSI (Fast Ultra) to OC3?
  84. How to convert from OC3 to SCSI (Fast Ultra)?
  85. How to convert from SCSI (Fast Wide) to OC3?
  86. How to convert from OC3 to SCSI (Fast Wide)?
  87. How to convert from SCSI (Fast Ultra Wide) to OC3?
  88. How to convert from OC3 to SCSI (Fast Ultra Wide)?
  89. How to convert from SCSI (Ultra-2) to OC3?
  90. How to convert from OC3 to SCSI (Ultra-2)?
  91. How to convert from SCSI (Ultra-3) to OC3?
  92. How to convert from OC3 to SCSI (Ultra-3)?
  93. How to convert from SCSI (LVD Ultra80) to OC3?
  94. How to convert from OC3 to SCSI (LVD Ultra80)?
  95. How to convert from SCSI (LVD Ultra160) to OC3?
  96. How to convert from OC3 to SCSI (LVD Ultra160)?
  97. How to convert from IDE (PIO mode 0) to OC3?
  98. How to convert from OC3 to IDE (PIO mode 0)?
  99. How to convert from IDE (PIO mode 1) to OC3?
  100. How to convert from OC3 to IDE (PIO mode 1)?
  101. How to convert from IDE (PIO mode 2) to OC3?
  102. How to convert from OC3 to IDE (PIO mode 2)?
  103. How to convert from IDE (PIO mode 3) to OC3?
  104. How to convert from OC3 to IDE (PIO mode 3)?
  105. How to convert from IDE (PIO mode 4) to OC3?
  106. How to convert from OC3 to IDE (PIO mode 4)?
  107. How to convert from IDE (DMA mode 0) to OC3?
  108. How to convert from OC3 to IDE (DMA mode 0)?
  109. How to convert from IDE (DMA mode 1) to OC3?
  110. How to convert from OC3 to IDE (DMA mode 1)?
  111. How to convert from IDE (DMA mode 2) to OC3?
  112. How to convert from OC3 to IDE (DMA mode 2)?
  113. How to convert from IDE (UDMA mode 0) to OC3?
  114. How to convert from OC3 to IDE (UDMA mode 0)?
  115. How to convert from IDE (UDMA mode 1) to OC3?
  116. How to convert from OC3 to IDE (UDMA mode 1)?
  117. How to convert from IDE (UDMA mode 2) to OC3?
  118. How to convert from OC3 to IDE (UDMA mode 2)?
  119. How to convert from IDE (UDMA mode 3) to OC3?
  120. How to convert from OC3 to IDE (UDMA mode 3)?
  121. How to convert from IDE (UDMA mode 4) to OC3?
  122. How to convert from OC3 to IDE (UDMA mode 4)?
  123. How to convert from IDE (UDMA-33) to OC3?
  124. How to convert from OC3 to IDE (UDMA-33)?
  125. How to convert from IDE (UDMA-66) to OC3?
  126. How to convert from OC3 to IDE (UDMA-66)?
  127. How to convert from USB to OC3?
  128. How to convert from OC3 to USB?
  129. How to convert from firewire (IEEE-1394) to OC3?
  130. How to convert from OC3 to firewire (IEEE-1394)?
  131. How to convert from T0 (payload) to OC3?
  132. How to convert from OC3 to T0 (payload)?
  133. How to convert from T0 (B8ZS payload) to OC3?
  134. How to convert from OC3 to T0 (B8ZS payload)?
  135. How to convert from T1 (signal) to OC3?
  136. How to convert from OC3 to T1 (signal)?
  137. How to convert from T1 (payload) to OC3?
  138. How to convert from OC3 to T1 (payload)?
  139. How to convert from T1Z (payload) to OC3?
  140. How to convert from OC3 to T1Z (payload)?
  141. How to convert from T1C (signal) to OC3?
  142. How to convert from OC3 to T1C (signal)?
  143. How to convert from T1C (payload) to OC3?
  144. How to convert from OC3 to T1C (payload)?
  145. How to convert from T2 (signal) to OC3?
  146. How to convert from OC3 to T2 (signal)?
  147. How to convert from T3 (signal) to OC3?
  148. How to convert from OC3 to T3 (signal)?
  149. How to convert from T3 (payload) to OC3?
  150. How to convert from OC3 to T3 (payload)?
  151. How to convert from T3Z (payload) to OC3?
  152. How to convert from OC3 to T3Z (payload)?
  153. How to convert from T4 (signal) to OC3?
  154. How to convert from OC3 to T4 (signal)?
  155. How to convert from E.P.T.A. 1 (signal) to OC3?
  156. How to convert from OC3 to E.P.T.A. 1 (signal)?
  157. How to convert from E.P.T.A. 1 (payload) to OC3?
  158. How to convert from OC3 to E.P.T.A. 1 (payload)?
  159. How to convert from E.P.T.A. 2 (signal) to OC3?
  160. How to convert from OC3 to E.P.T.A. 2 (signal)?
  161. How to convert from E.P.T.A. 2 (payload) to OC3?
  162. How to convert from OC3 to E.P.T.A. 2 (payload)?
  163. How to convert from E.P.T.A. 3 (signal) to OC3?
  164. How to convert from OC3 to E.P.T.A. 3 (signal)?
  165. How to convert from E.P.T.A. 3 (payload) to OC3?
  166. How to convert from OC3 to E.P.T.A. 3 (payload)?
  167. How to convert from H0 to OC3?
  168. How to convert from OC3 to H0?
  169. How to convert from H11 to OC3?
  170. How to convert from OC3 to H11?
  171. How to convert from H12 to OC3?
  172. How to convert from OC3 to H12?
  173. How to convert from Virtual Tributary 1 (signal) to OC3?
  174. How to convert from OC3 to Virtual Tributary 1 (signal)?
  175. How to convert from Virtual Tributary 1 (payload) to OC3?
  176. How to convert from OC3 to Virtual Tributary 1 (payload)?
  177. How to convert from Virtual Tributary 2 (signal) to OC3?
  178. How to convert from OC3 to Virtual Tributary 2 (signal)?
  179. How to convert from Virtual Tributary 2 (payload) to OC3?
  180. How to convert from OC3 to Virtual Tributary 2 (payload)?
  181. How to convert from Virtual Tributary 6 (signal) to OC3?
  182. How to convert from OC3 to Virtual Tributary 6 (signal)?
  183. How to convert from Virtual Tributary 6 (payload) to OC3?
  184. How to convert from OC3 to Virtual Tributary 6 (payload)?
  185. How to convert from STS1 (signal) to OC3?
  186. How to convert from OC3 to STS1 (signal)?
  187. How to convert from STS1 (payload) to OC3?
  188. How to convert from OC3 to STS1 (payload)?
  189. How to convert from STS3 (signal) to OC3?
  190. How to convert from OC3 to STS3 (signal)?
  191. How to convert from STS3 (payload) to OC3?
  192. How to convert from OC3 to STS3 (payload)?
  193. How to convert from STS3c (signal) to OC3?
  194. How to convert from OC3 to STS3c (signal)?
  195. How to convert from STS3c (payload) to OC3?
  196. How to convert from OC3 to STS3c (payload)?
  197. How to convert from STS12 (signal) to OC3?
  198. How to convert from OC3 to STS12 (signal)?
  199. How to convert from STS24 (signal) to OC3?
  200. How to convert from OC3 to STS24 (signal)?
  201. How to convert from STS48 (signal) to OC3?
  202. How to convert from OC3 to STS48 (signal)?
  203. How to convert from STS192 (signal) to OC3?
  204. How to convert from OC3 to STS192 (signal)?
  205. How to convert from STM-1 (signal) to OC3?
  206. How to convert from OC3 to STM-1 (signal)?
  207. How to convert from STM-4 (signal) to OC3?
  208. How to convert from OC3 to STM-4 (signal)?
  209. How to convert from STM-16 (signal) to OC3?
  210. How to convert from OC3 to STM-16 (signal)?
  211. How to convert from STM-64 (signal) to OC3?
  212. How to convert from OC3 to STM-64 (signal)?

What Is This Tool?

This converter allows you to translate data transfer rates between OC3, an optical carrier rate utilized in telecommunications, and IDE (PIO mode 3), a programmed I/O mode for older IDE storage devices. It helps compare bandwidths across network and legacy storage technologies.

How to Use This Tool?

  • Enter the data rate value in OC3 units you want to convert.
  • Select IDE (PIO mode 3) as the target unit.
  • Click convert to see the equivalent rate in IDE (PIO mode 3).

Key Features

  • Converts OC3 optical network rates to IDE (PIO mode 3) storage interface throughput
  • Based on recognized data transfer standards for networking and storage
  • Supports comparisons between modern optical links and legacy IDE devices
  • Simple, browser-based interface for quick calculations
  • Provides conversion using established formula for accurate rate comparison

Examples

  • 1 OC3 equals approximately 1.75 IDE (PIO mode 3)
  • 2 OC3 corresponds to about 3.50 IDE (PIO mode 3)

Common Use Cases

  • Backbone links between internet service providers or regional points-of-presence
  • Leased wide-area network circuits transporting multiplexed telecom services
  • Aggregating multiple lower-rate circuits in metro and long-haul fiber networks
  • Operating legacy desktop or laptop drives and optical drives in compatibility mode
  • Embedded or industrial systems interfacing with older IDE storage devices
  • Performance benchmarking and compatibility testing across network and storage modes
  • Retrocomputing and historical data rate comparisons

Tips & Best Practices

  • Always verify unit definitions before conversion to avoid misinterpretation.
  • Consider the difference in measurement units—OC3 in megabits per second, IDE (PIO mode 3) in megabytes per second.
  • Use conversions for benchmarking and understanding equivalences, not precise performance metrics.
  • Be aware that actual transfer speeds may vary from theoretical conversions due to hardware and protocol factors.
  • Remember IDE (PIO mode 3) is largely obsolete and unsuitable for high-speed modern requirements.

Limitations

  • OC3 is measured in megabits per second, whereas IDE (PIO mode 3) uses megabytes per second, requiring attention to units.
  • Conversion is theoretical, based on maximum raw transfer rates without accounting for overhead or CPU load.
  • IDE (PIO mode 3) represents an older, mostly outdated storage interface not suited for current high-speed demands.

Frequently Asked Questions

What does OC3 represent in data transfer?
OC3 is an optical carrier transmission rate of 155.52 megabits per second used in synchronous optical networking for long-distance and backbone data transport.

What is IDE (PIO mode 3)?
IDE (PIO mode 3) is a CPU-driven programmed input/output mode for Parallel ATA/IDE devices with a theoretical maximum raw throughput of about 11.1 megabytes per second.

Why convert OC3 to IDE (PIO mode 3)?
Users convert between these units to compare data transfer rates across networking and legacy storage technologies for benchmarking and compatibility evaluations.

Key Terminology

OC3
An optical carrier level 3 transmission rate of 155.52 megabits per second used in synchronous optical networking.
IDE (PIO mode 3)
A programmed I/O transfer mode for Parallel ATA/IDE devices characterized by CPU-driven data transfer with a theoretical maximum throughput of about 11.1 megabytes per second.
Synchronous Optical Networking (SONET)
A standardized digital communication protocol used to transmit multiple streams of data over optical fiber.

Quick Knowledge Check

What does an OC3 unit measure?
Which mode describes IDE (PIO mode 3)?
Why is the conversion from OC3 to IDE (PIO mode 3) mostly theoretical?