USRobotics V.34 user manual Courier High Speed Modems

COURIER HIGH SPEED MODEMS

Originate Mode: 1875 Hz Answer Mode: 1875 Hz

Originate Mode: 1920 Hz Answer Mode: 1920 Hz

USR-V.32 terbo/V.32 bis/V.32 Originate Mode: 1800 Hz Answer Mode: 1800 Hz

USR-HST, 450 bps back channel Originate Mode: 375 Hz

Answer Mode: 1800 Hz

USR-HST, 300 bps back channel Originate Mode: 350 Hz

Answer Mode: 1800 Hz

V.23

Originate Mode:

Mark: 390 Hz

Space: 450 Hz

Answer Mode:

Mark: 1300 Hz

Space: 2100 Hz

V.22 bis, V.22, Bell 212A Originate Mode: 1200 Hz

Answer Mode: 2400 Hz

Bell 103

Originate Mode:

Mark: 1270 Hz

Space: 1070 Hz

Answer Mode:

Mark: 2225 Hz

Space: 2025 Hz

K-8 Technical Specifications