COMPUTER PERIPHERALS, INC. VIVA DATA/FAX INTERNAL Modem Type Data (asynchronous)/Fax Maximum Data Rate 2400bps Maximum Fax Rate 9600bps Data Bus 8-bit ISA Fax Class Class I Data Modulation Protocol Bell 103A/212A ITU-T V.21, V.22, V.22bis Fax Modulation Protocol ITU-T V.27ter, V.29 Error Correction/Compression MNP5, V.42bis [Image] CONNECTIONS Purpose Location Purpose Location Line out CN1 Line in CN2 BASE I/O ADDRESS & INTERRUPT SELECTION Port JP2 JP3 COM1: (3F8h) Pins 2 & 3 closed Pins 2 & 3 closed COM2: (2F8h) Pins 2 & 3 closed Pins 1 & 2 closed COM3: (3E8h) Pins 1 & 2 closed Pins 2 & 3 closed » COM4: (2E8h) Pins 1 & 2 closed Pins 1 & 2 closed INTERRUPT SELECTION IRQ JP1 » 3 Pins 1 & 2 closed 4 Pins 3 & 4 closed 5 Pins 5 & 6 closed 7 Pins 7 & 8 closed Proprietary AT Command Set BIT-MAPPED REGISTERS Register Default S14 170 S16 0 S21 0 S22 118 S23 7 S27 64 S28 0 DTMF ATTENUATION Type: Configuration Format: AT [cmds] %Dn [cmds] Example: AT%D1 Default: Unidentified Range: Unidentified Unit: 2dB Description: Sets the DTMF level. SMT LEVEL ATTENTUATION Type: Configuration Format: AT [cmds] %Ln [cmds] Example: AT%L2 Default: Unidentified Range: Unidentified Unit: 2dB Description: Sets the SMT level.