Online Data Transfer Units Converter
How to Convert from T4 (signal) to STS1 (payload)?

How to Convert from T4 (signal) to STS1 (payload)?

Easily convert data transfer rates from T4 (signal), a legacy North American PDH signal, to STS1 (payload) used in SONET for modern network capacity planning and equipment interoperability.

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

T4 (signal) to STS1 (payload) Conversion Table

T4 (signal) STS1 (payload)

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.
T4 (signal) to STS1 (payload) Conversion Table
T4 (signal) STS1 (payload)

Explore More Data Transfer Units Converter

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

What Is This Tool?

This tool converts data transfer units from T4 (signal), a high-order trunk signal historically used in North American T-carrier systems, to STS1 (payload), a user-data capacity measurement within SONET technology. It helps translate legacy PDH data rates to modern SONET payload capacities.

How to Use This Tool?

  • Enter the value in T4 (signal) units to convert
  • Select T4 (signal) as the source unit and STS1 (payload) as the target unit
  • Click convert to see the equivalent STS1 (payload) units
  • Use the conversion results for network planning or equipment interoperability

Key Features

  • Converts data transfer units from T4 (signal) to STS1 (payload)
  • Shows conversion based on standardized rates in telecommunications
  • Supports planning and validation of legacy and modern transport networks
  • Provides quick, browser-based data transfer unit conversion for telecom professionals

Examples

  • 1 T4 (signal) equals approximately 5.54 STS1 (payload) units
  • 2 T4 (signal) equals about 11.08 STS1 (payload) units

Common Use Cases

  • Translating legacy PDH infrastructure data rates into modern SONET capacities
  • Planning capacity in carrier-grade optical transport networks
  • Testing and validating legacy and modern telecom equipment interoperability
  • Calculating how many STS1 payloads fit within a T4 signal for migration projects

Tips & Best Practices

  • Use the tool to assist with telecom network upgrades from PDH to SONET
  • Consider protocol overhead and framing when planning real-world capacity
  • Verify conversions against actual network equipment specifications
  • Apply conversions mainly for legacy maintenance or specialized telecom network scenarios

Limitations

  • Conversion assumes ideal conditions and standardized transfer rates
  • T4 (signal) is a legacy technology with limited current application
  • Potential differences in payload definitions and multiplexing overhead affect exact equivalence

Frequently Asked Questions

What is a T4 (signal) unit?
T4 (signal) is a high-order trunk signal in the North American T-carrier system, corresponding to a DS4 rate of about 274.176 Mbps, used mainly in legacy long-distance backbone links.

What does STS1 (payload) represent in SONET?
STS1 (payload) refers to the user-data capacity inside an STS1 frame in SONET, with a line rate of 51.84 Mbps and a usable payload capacity of 50.112 Mbps.

Why convert from T4 (signal) to STS1 (payload)?
Converting helps translate legacy PDH data rates to modern SONET units, supporting network planning, equipment interoperability, and migration from older telecom systems.

Key Terminology

T4 (signal)
A high-order North American PDH trunk signal at about 274.176 Mbps, used historically for long-distance telecom backbone links.
STS1 (payload)
The user-data payload capacity inside a SONET STS1 frame, with a line rate of 51.84 Mbps and usable payload of 50.112 Mbps.
PDH
Plesiochronous Digital Hierarchy, a legacy multiplexing technique used in telecommunications before SONET/SDH.
SONET
Synchronous Optical Network, a modern optical transport standard for telecommunications with precise timing and multiplexing.

Quick Knowledge Check

What category does T4 (signal) belong to?
What is the usable payload capacity of STS1 (payload)?
Why is converting T4 to STS1 useful?