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Transport aspects                                              2


                                              Table 6-1 – ITU-T G.9701 profiles

                                                  Parameter value for profile (Note 1)           Reference
                     Parameter
                                             106a               106b              212a
             Maximum aggregate         +4.0               +8.0 (Note 6)     +4.0              See clause 7.6
             downstream transmit
             power (dBm)
             Maximum aggregate         +4.0               +8.0 (Note 6 )    +4.0              See clause 7.6
             upstream transmit power
             (dBm)
             Precoding type            Linear only        Linear only       Linear only       See clause 10.3

             Subcarrier spacing (kHz)   51.75             51.75             51.75             See clause 10.4.2
             Aggregate net data-rate   1 000 Mbit/s       1 000 Mbit/s      2000 Mbit/s       See clause 3.2.2
             (ANDR) capability         (Note 2)           (Note 2)          (Note 2)
             Maximum number of FEC     16                 16                16                See clause 8.2
             codewords in one DTU
             (Qmax)

             Parameter (1/S)max        12                 12                24                (Note 3)
             downstream
             Parameter (1/S)max        12                 12                24                (Note 3)
             upstream
             Index of the lowest       43                 43                43                (Note 4)
             supported downstream      (2.22525 MHz)      (2.22525 MHz)     (2.22525 MHz)
             data-bearing subcarrier
             (lower band-edge frequency
             (informative))
             Index of the lowest       43                 43                43                (Note 4)
             supported upstream data-  (2.22525 MHz)      (2.22525 MHz)     (2.22525 MHz)
             bearing subcarrier (lower
             band-edge frequency
             (informative))
             Index of the highest      2047               2047              4095              (Note 4)
             supported downstream      (105.93225 MHz)    (105.93225 MHz)   (211,91625 MHz)
             data-bearing subcarrier
             (upper band-edge
             frequency (informative))

             Index of the highest      2047               2047              4095              (Note 4)
             supported upstream        (105.93225 MHz)    (105.93225 MHz)   (211,91625 MHz)
             data-bearing subcarrier
             (upper band-edge
             frequency (informative))
             Maximum number of eoc     MF = 36   MF = 23   MF = 36   MF = 23   MF = 36   MF = 23  See clause 10.5
             bytes per direction per
                                       1500     1100      1500     1100     3000      2200
             logical frame period (Note 5)















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