Online Data Transfer Units Converter
How to Convert from T4 (signal) to T1 (payload)?
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How to Convert from T4 (signal) to T1 (payload)?

Convert data transfer rates from T4 (signal), a high-order trunk signal in legacy North American T-carrier systems, to T1 (payload), the usable user-data throughput of a T1 digital carrier. Understand your telecom network's capacity and manage legacy infrastructure with this unit converter tool.

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

T4 (signal) to T1 (payload) Conversion Table

T4 (signal) T1 (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 T1 (payload) Conversion Table
T4 (signal) T1 (payload)

Explore More Data Transfer Units Converter

  1. How to convert from bit/second [b/s] to T4 (signal)?
  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 converter enables you to translate data transfer rates from a T4 (signal), a high-capacity backbone signal used in legacy North American T-carrier networks, into the equivalent T1 (payload) user-data channels. It is designed for telecom professionals managing or analyzing legacy PDH systems and planning network capacity.

How to Use This Tool?

  • Enter the value in T4 (signal) you wish to convert.
  • Select the target unit as T1 (payload).
  • Execute the conversion to obtain the equivalent number of T1 channels.
  • Use the results to aid in telecom network planning or legacy equipment integration.

Key Features

  • Converts between T4 (signal) and T1 (payload) based on established conversion rates.
  • Reflects usable bandwidth relevant to legacy T-carrier telecom equipment.
  • Browser-based and straightforward interface suitable for historical and specialized telecom network applications.
  • Supports understanding of high-capacity backbone signals in terms of smaller T1 channels.

Examples

  • 1 T4 (signal) equals 204 T1 (payload) channels.
  • 3 T4 (signal) convert to 612 T1 (payload) channels (3 × 204).

Common Use Cases

  • Estimating bandwidth by relating high-order backbone signals to individual T1 channels.
  • Planning legacy telecom infrastructure for regional backbone network design.
  • Testing and validating PDH multiplexers and telecommunications equipment.
  • Assessing capacity in specialized or private networks using legacy T-carrier technology.

Tips & Best Practices

  • Confirm that your network uses legacy T-carrier equipment to ensure relevant conversions.
  • Use this tool to plan channel allocations in legacy PBX and trunk systems.
  • Consider differences between payload throughput and gross line rates when interpreting results.
  • Leverage the conversion for historical network analysis or specialized telecom projects.

Limitations

  • Applicable mostly to legacy PDH networks, excluding modern SONET/SDH or packet-based speeds.
  • Payload rates exclude framing and overhead, so gross data rates vary.
  • T4 signal conversions may not be supported by current network hardware due to obsolescence.

Frequently Asked Questions

What does T4 (signal) represent in telecommunications?
T4 (signal) is a high-order trunk signal in the North American T-carrier system, carrying multiplexed channels at approximately 274.176 megabits per second, mainly for long-distance backbone links in legacy networks.

How is T1 (payload) defined?
T1 (payload) refers to the usable user-data throughput of a T1 digital carrier, consisting of 24 channels at 64 kb/s each, totaling 1.536 megabits per second excluding framing overhead.

Why convert from T4 (signal) to T1 (payload)?
Conversion helps relate high-capacity backbone signals to smaller, user-data channels to assist in network planning, bandwidth estimation, and managing legacy telecom equipment.

Key Terminology

T4 (signal)
A high-capacity North American T-carrier trunk signal corresponding to the DS4 rate, used historically for long-distance backbone links.
T1 (payload)
The usable user-data throughput of a T1 digital carrier consisting of 24 channels at 64 kb/s, totaling 1.536 Mbps excluding overhead.
PDH
Plesiochronous Digital Hierarchy, a legacy multiplexing technology for digital telecom networks.

Quick Knowledge Check

What is the conversion rate from 1 T4 (signal) to T1 (payload)?
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