Toshiba Satellite L20 Series Maintenance Manual page 26

Chatper 1 Hardware Overview
θ MODEM (Conexant 20493-21x 1)
Supported by on board Modem + DAA daughter card.
Data and FAX transmission is available.
Supports ITU-TV.90.
The transfer speed of data receiving is 56kbps, of data sending is 33.6kbps and of
FAX is 14.4kbps. Actual speed depends on the quality of the line used.
Connected to telephone line through RJ11 MODEM jack.
10 Satellite L20 Maintenance Manual (960-Q01)