3Com 1.024.1644-00 - Manual (Page 8)

Product Features
56K Voice Faxmodem Internal - User’s Guide 2
Modulation Schemes
ITU-T V.90
x2™ technology (Download up to 56kbps, and Upload using V.34)
ITU-T V.34+
ITU-T V.34
ITU-T V.32bis
ITU-T V.32
ITU-T V.23
ITU-T V.22bis
ITU-T V.22
Bell 212A
ITU-T V.21
Bell 103
Error Control and Data Compression Schemes
ITU-T V.42
ITU-T V.42bis
MNP 2-5
Fax Modulation Schemes
ITU-T V.17
ITU-T V.29
ITU-T V.27ter
ITU-T V.21
Fax Standards
EIA 578 Class 1 FAX
EIA 592 Class 2.0 FAX
Front Channel Link Rates (Download Speeds)
28000, 29333, 30666, 32000, 33333, 34666, 36000, 37333, 38666, 40000,
41333, 42666, 44000, 45333, 46666, 48000, 49333, 50666, 52000, 53333,
54666, 56000, 57333