... ) ITU-V.90 56K compliant c) ITU-T V.34 (33,600 to 2,400 bps) d) ITU-T V.32bis, V.23, V.22bis, V.21 ... modulation: a) ITU-T V.17, V.29 to 14,400 bps b) Fax Class 1 commands c) Interface d) PCI 2.2 ... commands12) Power requirements: a) 3.3-V DSP b) Automatic sleep and wake-up modes c) ACPI (advanced configuration power interface) d ...