The maximum user signaling rate, synonymous to gross bit rate or data signaling rate, is the maximum rate, in bits per second, at which binary information can be transferred in a given direction between users over the telecommunications system facilities dedicated to a particular information transfer transaction, under conditions of continuous transmission and no overhead information.
For a single channel, the signaling rate is given by , where SCSR is the single-channel signaling rate in bits per second, T is the minimum time interval in seconds for which each level must be maintained, and n is the number of significant conditions of modulation of the channel.
In the case where an individual end-to-end telecommunications service is provided by parallel channels, the parallel-channel signaling rate is given by , where PCSR is the total signaling rate for m channels, m is the number of parallel channels, Ti is the minimum interval between significant instants for the I-th channel, and ni is the number of significant conditions of modulation for the I-th channel.
|1.5 Mbit/s||USB 1.0|
|1.544 Mbit/s||Digital Signal 1|
|12 Mbit/s||USB 1.1|
|480 Mbit/s||USB 2.0|
|1063 Mbit/s||Fibre Channel (1GFC)|
|2500 Mbit/s||2.5GBASE-T, InfiniBand|
|3125 Mbit/s||×4 10GBASE-LX4|
|5000 Mbit/s||5GBASE-T, USB 3.0, USB 3.1 Gen 1|
|10.000 Gbit/s||USB 3.1 Gen 2|
|10.3125 Gbit/s||10 GbE, ×4 40GbE, ×10 100GBASE-CR10|
|10.664 Gbit/s||OC-192 (FEC)|
|10.709 Gbit/s||OC-192 (ITU-T G.709)|
|11.100 Gbit/s||10 GbE FEC|
|14.025 Gbit/s||16GFC "Gen 5"|
|25.78125 Gbit/s||×4 100GBASE-CR4|
|28.05 Gbit/s||32GFC "Gen 6"|
|28.05 Gbit/s||×4 128GFC "Gen 6"|