Modem Type

Data (synchronous/asynchronous)/Fax/Voice

Maximum Data Rate

2400bps

Maximum Fax Rate

2400bps

Data Bus

External

Fax Class

Class I & II

Data Modulation Protocol

ITU-T V.21, V.22, V.22bis

Fax Modulation Protocol

ITU-T V.21CH2, V.27ter, V.29

Error Correction/Compression

MNP5, V.42, V.42bis