Online Data Transfer Units Converter
How to Convert from Virtual Tributary 2 (payload) to STM-4 (signal)?

How to Convert from Virtual Tributary 2 (payload) to STM-4 (signal)?

Learn how to convert data transfer units from Virtual Tributary 2 (payload), a SONET/SDH virtual tributary container, to STM-4 (signal), a standardized SDH optical transmission frame, for effective digital traffic multiplexing.

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

Virtual Tributary 2 (payload) to STM-4 (signal) Conversion Table

Virtual Tributary 2 (payload) STM-4 (signal)

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.
Virtual Tributary 2 (payload) to STM-4 (signal) Conversion Table
Virtual Tributary 2 (payload) STM-4 (signal)

Explore More Data Transfer Units Converter

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  9. How to convert from kilobit/second [kb/s] to Virtual Tributary 2 (payload)?
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  11. How to convert from kilobyte/second [kB/s] to Virtual Tributary 2 (payload)?
  12. How to convert from Virtual Tributary 2 (payload) to kilobyte/second [kB/s]?
  13. How to convert from megabit/second (SI def.) to Virtual Tributary 2 (payload)?
  14. How to convert from Virtual Tributary 2 (payload) to megabit/second (SI def.)?
  15. How to convert from megabyte/second (SI def.) to Virtual Tributary 2 (payload)?
  16. How to convert from Virtual Tributary 2 (payload) to megabyte/second (SI def.)?
  17. How to convert from megabit/second [Mb/s] to Virtual Tributary 2 (payload)?
  18. How to convert from Virtual Tributary 2 (payload) to megabit/second [Mb/s]?
  19. How to convert from megabyte/second [MB/s] to Virtual Tributary 2 (payload)?
  20. How to convert from Virtual Tributary 2 (payload) to megabyte/second [MB/s]?
  21. How to convert from gigabit/second (SI def.) to Virtual Tributary 2 (payload)?
  22. How to convert from Virtual Tributary 2 (payload) to gigabit/second (SI def.)?
  23. How to convert from gigabyte/second (SI def.) to Virtual Tributary 2 (payload)?
  24. How to convert from Virtual Tributary 2 (payload) to gigabyte/second (SI def.)?
  25. How to convert from gigabit/second [Gb/s] to Virtual Tributary 2 (payload)?
  26. How to convert from Virtual Tributary 2 (payload) to gigabit/second [Gb/s]?
  27. How to convert from gigabyte/second [GB/s] to Virtual Tributary 2 (payload)?
  28. How to convert from Virtual Tributary 2 (payload) to gigabyte/second [GB/s]?
  29. How to convert from terabit/second (SI def.) to Virtual Tributary 2 (payload)?
  30. How to convert from Virtual Tributary 2 (payload) to terabit/second (SI def.)?
  31. How to convert from terabyte/second (SI def.) to Virtual Tributary 2 (payload)?
  32. How to convert from Virtual Tributary 2 (payload) to terabyte/second (SI def.)?
  33. How to convert from terabit/second [Tb/s] to Virtual Tributary 2 (payload)?
  34. How to convert from Virtual Tributary 2 (payload) to terabit/second [Tb/s]?
  35. How to convert from terabyte/second [TB/s] to Virtual Tributary 2 (payload)?
  36. How to convert from Virtual Tributary 2 (payload) to terabyte/second [TB/s]?
  37. How to convert from ethernet to Virtual Tributary 2 (payload)?
  38. How to convert from Virtual Tributary 2 (payload) to ethernet?
  39. How to convert from ethernet (fast) to Virtual Tributary 2 (payload)?
  40. How to convert from Virtual Tributary 2 (payload) to ethernet (fast)?
  41. How to convert from ethernet (gigabit) to Virtual Tributary 2 (payload)?
  42. How to convert from Virtual Tributary 2 (payload) to ethernet (gigabit)?
  43. How to convert from OC1 to Virtual Tributary 2 (payload)?
  44. How to convert from Virtual Tributary 2 (payload) to OC1?
  45. How to convert from OC3 to Virtual Tributary 2 (payload)?
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  47. How to convert from OC12 to Virtual Tributary 2 (payload)?
  48. How to convert from Virtual Tributary 2 (payload) to OC12?
  49. How to convert from OC24 to Virtual Tributary 2 (payload)?
  50. How to convert from Virtual Tributary 2 (payload) to OC24?
  51. How to convert from OC48 to Virtual Tributary 2 (payload)?
  52. How to convert from Virtual Tributary 2 (payload) to OC48?
  53. How to convert from OC192 to Virtual Tributary 2 (payload)?
  54. How to convert from Virtual Tributary 2 (payload) to OC192?
  55. How to convert from OC768 to Virtual Tributary 2 (payload)?
  56. How to convert from Virtual Tributary 2 (payload) to OC768?
  57. How to convert from ISDN (single channel) to Virtual Tributary 2 (payload)?
  58. How to convert from Virtual Tributary 2 (payload) to ISDN (single channel)?
  59. How to convert from ISDN (dual channel) to Virtual Tributary 2 (payload)?
  60. How to convert from Virtual Tributary 2 (payload) to ISDN (dual channel)?
  61. How to convert from modem (110) to Virtual Tributary 2 (payload)?
  62. How to convert from Virtual Tributary 2 (payload) to modem (110)?
  63. How to convert from modem (300) to Virtual Tributary 2 (payload)?
  64. How to convert from Virtual Tributary 2 (payload) to modem (300)?
  65. How to convert from modem (1200) to Virtual Tributary 2 (payload)?
  66. How to convert from Virtual Tributary 2 (payload) to modem (1200)?
  67. How to convert from modem (2400) to Virtual Tributary 2 (payload)?
  68. How to convert from Virtual Tributary 2 (payload) to modem (2400)?
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  70. How to convert from Virtual Tributary 2 (payload) to modem (9600)?
  71. How to convert from modem (14.4k) to Virtual Tributary 2 (payload)?
  72. How to convert from Virtual Tributary 2 (payload) to modem (14.4k)?
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  79. How to convert from SCSI (Async) to Virtual Tributary 2 (payload)?
  80. How to convert from Virtual Tributary 2 (payload) to SCSI (Async)?
  81. How to convert from SCSI (Sync) to Virtual Tributary 2 (payload)?
  82. How to convert from Virtual Tributary 2 (payload) to SCSI (Sync)?
  83. How to convert from SCSI (Fast) to Virtual Tributary 2 (payload)?
  84. How to convert from Virtual Tributary 2 (payload) to SCSI (Fast)?
  85. How to convert from SCSI (Fast Ultra) to Virtual Tributary 2 (payload)?
  86. How to convert from Virtual Tributary 2 (payload) to SCSI (Fast Ultra)?
  87. How to convert from SCSI (Fast Wide) to Virtual Tributary 2 (payload)?
  88. How to convert from Virtual Tributary 2 (payload) to SCSI (Fast Wide)?
  89. How to convert from SCSI (Fast Ultra Wide) to Virtual Tributary 2 (payload)?
  90. How to convert from Virtual Tributary 2 (payload) to SCSI (Fast Ultra Wide)?
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  124. How to convert from Virtual Tributary 2 (payload) to IDE (UDMA mode 4)?
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  126. How to convert from Virtual Tributary 2 (payload) to IDE (UDMA-33)?
  127. How to convert from IDE (UDMA-66) to Virtual Tributary 2 (payload)?
  128. How to convert from Virtual Tributary 2 (payload) to IDE (UDMA-66)?
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  130. How to convert from Virtual Tributary 2 (payload) to USB?
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  149. How to convert from T3 (signal) to Virtual Tributary 2 (payload)?
  150. How to convert from Virtual Tributary 2 (payload) to T3 (signal)?
  151. How to convert from T3 (payload) to Virtual Tributary 2 (payload)?
  152. How to convert from Virtual Tributary 2 (payload) to T3 (payload)?
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  159. How to convert from E.P.T.A. 1 (payload) to Virtual Tributary 2 (payload)?
  160. How to convert from Virtual Tributary 2 (payload) to E.P.T.A. 1 (payload)?
  161. How to convert from E.P.T.A. 2 (signal) to Virtual Tributary 2 (payload)?
  162. How to convert from Virtual Tributary 2 (payload) to E.P.T.A. 2 (signal)?
  163. How to convert from E.P.T.A. 2 (payload) to Virtual Tributary 2 (payload)?
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  165. How to convert from E.P.T.A. 3 (signal) to Virtual Tributary 2 (payload)?
  166. How to convert from Virtual Tributary 2 (payload) to E.P.T.A. 3 (signal)?
  167. How to convert from E.P.T.A. 3 (payload) to Virtual Tributary 2 (payload)?
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  170. How to convert from Virtual Tributary 2 (payload) to H0?
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  172. How to convert from Virtual Tributary 2 (payload) to H11?
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  174. How to convert from Virtual Tributary 2 (payload) to H12?
  175. How to convert from Virtual Tributary 1 (signal) to Virtual Tributary 2 (payload)?
  176. How to convert from Virtual Tributary 2 (payload) to Virtual Tributary 1 (signal)?
  177. How to convert from Virtual Tributary 1 (payload) to Virtual Tributary 2 (payload)?
  178. How to convert from Virtual Tributary 2 (payload) to Virtual Tributary 1 (payload)?
  179. How to convert from Virtual Tributary 2 (signal) to Virtual Tributary 2 (payload)?
  180. How to convert from Virtual Tributary 2 (payload) to Virtual Tributary 2 (signal)?
  181. How to convert from Virtual Tributary 6 (signal) to Virtual Tributary 2 (payload)?
  182. How to convert from Virtual Tributary 2 (payload) to Virtual Tributary 6 (signal)?
  183. How to convert from Virtual Tributary 6 (payload) to Virtual Tributary 2 (payload)?
  184. How to convert from Virtual Tributary 2 (payload) to Virtual Tributary 6 (payload)?
  185. How to convert from STS1 (signal) to Virtual Tributary 2 (payload)?
  186. How to convert from Virtual Tributary 2 (payload) to STS1 (signal)?
  187. How to convert from STS1 (payload) to Virtual Tributary 2 (payload)?
  188. How to convert from Virtual Tributary 2 (payload) to STS1 (payload)?
  189. How to convert from STS3 (signal) to Virtual Tributary 2 (payload)?
  190. How to convert from Virtual Tributary 2 (payload) to STS3 (signal)?
  191. How to convert from STS3 (payload) to Virtual Tributary 2 (payload)?
  192. How to convert from Virtual Tributary 2 (payload) to STS3 (payload)?
  193. How to convert from STS3c (signal) to Virtual Tributary 2 (payload)?
  194. How to convert from Virtual Tributary 2 (payload) to STS3c (signal)?
  195. How to convert from STS3c (payload) to Virtual Tributary 2 (payload)?
  196. How to convert from Virtual Tributary 2 (payload) to STS3c (payload)?
  197. How to convert from STS12 (signal) to Virtual Tributary 2 (payload)?
  198. How to convert from Virtual Tributary 2 (payload) to STS12 (signal)?
  199. How to convert from STS24 (signal) to Virtual Tributary 2 (payload)?
  200. How to convert from Virtual Tributary 2 (payload) to STS24 (signal)?
  201. How to convert from STS48 (signal) to Virtual Tributary 2 (payload)?
  202. How to convert from Virtual Tributary 2 (payload) to STS48 (signal)?
  203. How to convert from STS192 (signal) to Virtual Tributary 2 (payload)?
  204. How to convert from Virtual Tributary 2 (payload) to STS192 (signal)?
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  206. How to convert from Virtual Tributary 2 (payload) to STM-1 (signal)?
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  210. How to convert from Virtual Tributary 2 (payload) to STM-16 (signal)?
  211. How to convert from STM-64 (signal) to Virtual Tributary 2 (payload)?
  212. How to convert from Virtual Tributary 2 (payload) to STM-64 (signal)?

What Is This Tool?

This tool enables you to convert data transfer amounts from Virtual Tributary 2 (payload), used for carrying PDH/E1 channels in SONET/SDH networks, to STM-4 (signal), which represents a higher-capacity optical transport module in the SDH hierarchy.

How to Use This Tool?

  • Enter the numeric value representing the Virtual Tributary 2 (payload) amount.
  • Select Virtual Tributary 2 (payload) as the from-unit if not pre-selected.
  • Choose STM-4 (signal) as the to-unit to convert into.
  • Initiate the conversion by clicking the convert button.
  • View the converted value in STM-4 (signal) according to the standardized conversion rate.

Key Features

  • Converts between Virtual Tributary 2 payload and STM-4 signal units.
  • Supports telecom use cases involving TDM and SDH optical transport.
  • Easy to use for aggregating low-rate PDH channels into higher-rate SDH frames.
  • Browser-based and accessible online without installation.
  • Provides examples demonstrating unit conversion calculations.

Examples

  • 10 Virtual Tributary 2 (payload) converts to approximately 0.032921811 STM-4 (signal).
  • 100 Virtual Tributary 2 (payload) converts to approximately 0.32921811 STM-4 (signal).

Common Use Cases

  • Transporting E1 voice or data circuits over SONET/SDH backbone networks.
  • Emulating circuits and mapping legacy TDM services through PDH-to-SONET conversions.
  • Aggregating multiple low-rate channels within high-capacity SDH optical frames.
  • Using STM-4 for regional and inter-city optical transmission backbones.
  • Carrying wholesale Ethernet, ATM, or other telecom services via SDH infrastructure.

Tips & Best Practices

  • Ensure synchronization and grooming when mapping PDH signals into SDH to avoid degradation.
  • Understand that overhead and management data in STM-4 are not included in payload-only conversions.
  • Use the conversion for planning and aggregating legacy TDM services into modern optical networks.
  • Verify that line rates and framing standards are properly aligned for accurate conversions.
  • Consult network conditions as real throughput may vary from nominal conversion values.

Limitations

  • Conversion excludes overhead and management information within STM-4 frames.
  • Legacy PDH synchronization challenges may influence conversion accuracy.
  • Theoretical conversion rates may differ due to real-world network protocol layers or conditions.

Frequently Asked Questions

What does 1 Virtual Tributary 2 (payload) represent?
It represents a SONET/SDH virtual tributary designed to carry a 2.048 Mb/s PDH/E1 channel for multiplexing lower-rate signals into higher-rate optical frames.

What is STM-4 (signal) used for?
STM-4 is an SDH optical transmission frame with a nominal line rate of 622.08 Mbit/s, used for transporting digital traffic including payload and overhead across telecom networks.

Why convert from Virtual Tributary 2 to STM-4?
To aggregate multiple low-rate PDH/E1 channels into high-capacity SDH frames for efficient transport over optical backbone links.

Key Terminology

Virtual Tributary 2 (payload)
A SONET/SDH virtual tributary container sized for a 2.048 Mb/s PDH/E1 channel allowing granular multiplexing of time-division multiplexed signals into higher-rate optical frames.
STM-4 (signal)
The Synchronous Transport Module level-4 in SDH with a 622.08 Mbit/s nominal line rate carrying payload and overhead for managing digital traffic transport.
PDH
Plesiochronous Digital Hierarchy, a telecommunications transmission technology for multiplexing lower-rate signals.
SDH
Synchronous Digital Hierarchy, a standardized protocol for transmitting data over optical fiber.

Quick Knowledge Check

What data rate does a Virtual Tributary 2 payload carry?
STM-4 signal nominally has a line rate of?
Which is a common use case for converting VT2 payload to STM-4?