Online Data Transfer Units Converter
How to Convert from STS1 (payload) to Modem (2400)
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How to Convert from STS1 (payload) to Modem (2400)

Learn how to convert data transfer rates from STS1 (payload), a high-capacity SONET signal rate, to the legacy modem (2400) speed. Understand the application, conversion rate, and practical uses of this unit-pair converter.

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STS1 (payload) to Modem (2400) Conversion Table

STS1 (payload) Modem (2400)

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.
STS1 (payload) to Modem (2400) Conversion Table
STS1 (payload) Modem (2400)

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

What Is This Tool?

This tool allows you to convert data transfer rates from the STS1 (payload) unit used in high-speed SONET networks to the modem (2400) unit, which represents early dial-up modem speeds. It facilitates comparison and translation between modern optical transport capacities and historic low-speed modem connections.

How to Use This Tool?

  • Enter the value in STS1 (payload) units you want to convert
  • Select STS1 (payload) as the source unit
  • Choose modem (2400) as the target unit
  • Click the convert button to obtain the equivalent modem (2400) data rate

Key Features

  • Converts STS1 (payload) data rates to modem (2400) speeds using a fixed ratio
  • Supports comparison between high-capacity SONET payloads and legacy modem rates
  • Easy-to-use interface for quick data transfer unit conversions
  • Browser-based tool suitable for network engineers and retro-computing enthusiasts

Examples

  • 1 STS1 (payload) = 20625 modem (2400)
  • 0.5 STS1 (payload) = 10312.5 modem (2400)

Common Use Cases

  • Provisioning circuits on SONET backbones that carry multiple DS1 or DS3 channels
  • Capacity planning and throughput calculations for SONET network services
  • Comparing modern SONET data rates with legacy modem speeds for telecom analysis
  • Legacy system compatibility testing and retro-computing with historic modem connections

Tips & Best Practices

  • Use this converter to understand bandwidth differences between modern and legacy networks
  • Account for protocol overhead and actual link conditions for precise throughput estimates
  • Employ the tool for planning and verifying telecom infrastructure involving both SONET and modem technologies

Limitations

  • Modem (2400) is a nominal descriptive speed, not a formal SI unit
  • Protocol overhead and error correction are not included in the raw conversion
  • Actual data throughput can vary widely depending on equipment and link quality

Frequently Asked Questions

What does STS1 (payload) represent in data transfer?
STS1 (payload) is the user-data capacity within an STS‑1 SONET frame, with a usable synchronous payload rate of 50.112 Mbps.

What is modem (2400) speed used for?
Modem (2400) denotes a historic dial-up modem speed of 2400 bits per second, typical for early internet and BBS connections.

Why might conversion between these units be needed?
Converting from STS1 (payload) to modem (2400) helps compare modern high-speed data rates with legacy modem speeds for network planning, analysis, or compatibility testing.

Key Terminology

STS1 (payload)
The user-data capacity inside an STS‑1 frame in SONET, with a synchronous payload envelope rate of 50.112 Mbps.
Modem (2400)
A descriptive rate representing a 2400 bits per second modem speed, typical for early dial-up connections.
SONET
Synchronous Optical Network, a standardized digital communication protocol used to transmit multiple digital bit streams over optical fiber.

Quick Knowledge Check

What is the approximate usable payload rate of STS1 (payload)?
Which scenario best fits using the modem (2400) rate?
What is the conversion rate from 1 STS1 (payload) to modem (2400)?

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