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  | 

| 
 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 <CR> | 
| 
 Default:  | 
 Unidentified  | 
| 
 Range:  | 
 Unidentified  | 
| 
 Unit:  | 
 2dB  | 
| 
 Description:  | 
 Sets the DTMF level.  | 
| 
 SMT LEVEL ATTENTUATION  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %Ln [cmds]  | 
| 
 Example:  | 
 AT%L2 <CR> | 
| 
 Default:  | 
 Unidentified  | 
| 
 Range:  | 
 Unidentified  | 
| 
 Unit:  | 
 2dB  | 
| 
 Description:  | 
 Sets the SMT level.  |