POTS Dialup (RJ11)
RJ11
Empty
V.32bis Dialup (14.4k)V.34 Dialup (28.8k)V.34+ Dialup (33.6k)V.90 Dialup (56k)V.92 Dialup (56k w/ compression)V.32 Dialup (9600 baud)V.22bis Dialup (2400 baud)V.22 Dialup (Bell 212A, 1200 baud)V.21 Dialup (Bell 103, 300 baud)
Electrical interface notes:
up to 56kbps download, 33.6kbps upload
up to 56kbps download, 48kbps upload

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