Online Data Transfer Units Converter
How to Convert from T4 (signal) to ISDN (single channel)?

How to Convert from T4 (signal) to ISDN (single channel)?

Convert data transfer rates from T4 (signal), a high-order trunk signal, to ISDN (single channel), representing one ISDN B-channel capacity, using this easy unit converter tool tailored for telecommunications legacy systems.

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

T4 (signal) to ISDN (single channel) Conversion Table

T4 (signal) ISDN (single channel)

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 ISDN (single channel) Conversion Table
T4 (signal) ISDN (single channel)

Explore More Data Transfer Units Converter

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  2. How to convert from T4 (signal) to bit/second [b/s]?
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  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 allows users to convert data transfer units from T4 (signal), a legacy high-order trunk rate used in North American T-carrier systems, into ISDN (single channel), representing the nominal capacity of one ISDN B-channel. It is designed for telecommunications professionals and enthusiasts who need to relate large trunk capacities with the more granular ISDN channel units.

How to Use This Tool?

  • Enter the value in T4 (signal) units you wish to convert
  • Select the target unit as ISDN (single channel)
  • Click the convert button to see the equivalent number of ISDN channels
  • Use the results to assist in legacy network analysis or telecommunications documentation

Key Features

  • Direct conversion between T4 (signal) and ISDN (single channel) units
  • Reflects legacy telecommunications data rates with precise unit definitions
  • Supports analysis, provisioning, and testing of older PDH and ISDN systems
  • Browser-based and easy to use without additional software
  • Provides clear examples of conversion results for quick reference

Examples

  • 1 T4 (signal) equals 4284 ISDN (single channel)
  • 2 T4 (signal) equals 8568 ISDN (single channel)

Common Use Cases

  • Expressing large trunk data rates in terms of smaller ISDN channels for system analysis
  • Provisioning or configuring telecom equipment using standardized ISDN channel capacities
  • Testing and validation of PDH multiplexers and legacy telecom devices
  • Documenting historical telecommunication network capacities
  • Managing specialized or private networks using legacy T-carrier infrastructure

Tips & Best Practices

  • Always verify the legacy system context when applying conversions between T4 and ISDN units
  • Use this converter to aid understanding but consult equipment specs for detailed engineering needs
  • Recognize that conversion assumes nominal data rates and does not include protocol overhead
  • Leverage conversion results for network documentation or legacy system troubleshooting
  • Keep in mind the declining operational presence of these units in modern networks

Limitations

  • Both T4 signals and ISDN single channels refer to outdated telecom technologies largely replaced by modern networks
  • Conversion rates reflect nominal capacities without adjusting for line conditions or overhead
  • Real-world data transfer may vary from theoretical rates shown here
  • Applicability of this conversion is limited due to diminished current use of these units

Frequently Asked Questions

What does one T4 (signal) represent in data transfer terms?
One T4 (signal) is a high-order trunk signal in the North American T-carrier hierarchy, corresponding to the DS4 rate with approximately 274.176 megabits per second.

What is an ISDN (single channel)?
An ISDN (single channel) refers to one ISDN bearer (B) channel, providing a nominal transfer capacity of 64 kilobits per second, used in Integrated Services Digital Network systems.

Why would someone convert from T4 to ISDN channels?
Users convert from T4 (signal) to ISDN channels to express large trunk data rates in terms of smaller, standardized ISDN units for legacy system analysis, network provisioning, or equipment testing.

Key Terminology

T4 (signal)
A high-order trunk signal in the North American T-carrier hierarchy corresponding to the DS4 rate, carrying multiplexed channels at roughly 274.176 megabits per second.
ISDN (single channel)
One ISDN bearer (B) channel with a nominal data-transfer capacity of 64 kilobits per second, used in Integrated Services Digital Network telecommunication systems.
PDH
Plesiochronous Digital Hierarchy, a technology framework for multiplexing digital signals used in legacy telecom networks.

Quick Knowledge Check

What data rate does one T4 (signal) approximately represent?
How many ISDN (single channel) units equal one T4 (signal)?
What is the nominal data rate of an ISDN (single channel)?