U.S. ROBOTICS, INC.
SPORTSTER 28,800 INTERNAL
| 
 Modem Type  | 
 Data (synchronous/asynchronous)/Fax  | 
| 
 Maximum Data Rate  | 
 28.8Kbps  | 
| 
 Maximum Fax Rate  | 
 14.4Kbps  | 
| 
 Data Bus  | 
 8-bit ISA  | 
| 
 Fax Class  | 
 Class I & II.0  | 
| 
 Data Modulation Protocol  | 
 Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34 Rockwell V.FC  | 
| 
 Fax Modulation Protocol  | 
 ITU-T V.17, V.21CH2, V.27ter, V.29  | 
| 
 Error Correction/Compression  | 
 MNP5, V.42, V.42bis  | 

| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Line out  | 
 CN1  | 
 Line in  | 
 CN2  | 
| 
 COM PORT SETTINGS  | ||||
| COM | 
 J1/1  | 
 J1/2  | 
 J1/3  | 
 J1/4  | 
| COM1 | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| » COM2 | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| COM3 | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| COM4 | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 INTERRUPT SELECT  | |||||
| 
 Interrupt  | 
 J2/1  | 
 J2/2  | 
 J2/3  | 
 J2/4  | 
 J2/5  | 
| 
 IRQ2  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 IRQ3  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 IRQ4  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 IRQ5  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 IRQ7  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 DTR SIGNAL  | |
| Setting | 
 SW1/1  | 
| » DTR normal | 
 Off  | 
| DTR forced high | 
 On  | 
| 
 RESULT CODES  | |
| Setting | 
 SW1/2  | 
| » Verbal result codes enabled | 
 Off  | 
| Numeric result codes enabled | 
 On  | 
| 
 RESULT CODES DISPLAY  | |
| Setting | 
 SW1/3  | 
| » Enabled | 
 On  | 
| Disabled | 
 Off  | 
| 
 ECHO DISPLAY  | |
| Setting | 
 SW1/4  | 
| » Enabled | 
 Off  | 
| Disabled | 
 On  | 
| 
 AUTO ANSWER  | |
| Setting | 
 SW1/5  | 
| » Disabled | 
 On  | 
| Enabled | 
 Off  | 
| 
 CARRIER DETECT  | |
| Setting | 
 SW1/6  | 
| » CD normal | 
 Off  | 
| CD forced high | 
 On  | 
| 
 SOFTWARE RESET  | |
| 
 Setting  | 
 SW1/7  | 
| » CD normal | 
 Off  | 
| CD forced high | 
 On  | 
| 
 AT COMMAND SET  | |
| 
 Setting  | 
 SW1/8  | 
| 
 Enabled  | 
 On  | 
| 
 Disabled  | 
 Off  | 
Proprietary AT Command Set
See document V1248 for a full command summary.