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The Bright Spark's Guide to Telecommunications

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Here are a couple of tables:
  • one on US ANSI (American National Standards Institute) Designations.
  • another on European Designations.

Hope they prove to be useful to you.


Digital Signal Level Transmission Throughput
US (ANSI)
Digital Signal LevelThroughputNotes
DS064 Kbps1 T1 Channel
DS11.544 Mbps1 T1 (24 DSO's)
DS1C3.152 Mbps2 T1's
DS26.312 Mbps4 T1's
DS344.736 Mbps28 T1's
DS4274.176 Mbps168 T1's
DS1's are commonly referred to as T's - T Spans - T1's.
The technology may be ported to Copper, Fiber or Wireless Transport media. T1's may be dedicated to voice, data or video transmissions or to channelized combinations of all.
>

Digital Signal Level Transmission Throughput
European (CCITT or ITU)
Digital Signal LevelThroughputUS Equiv.
E12.048 Mbps1 T1
E28.448 Mbps4 T1's
E334.368 Mbps16 T1's
E4139.264 Mbps64 T1's
It should be noted that the CCITT (Consultative Committee for International Telephony and Telegraphy) or the ITU (International Telecommunications Union) recognize DS0 through DS4 Signaling Levels.


 
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