3COM CORPORATION
COURIER DUAL STANDARD V.34 FAX (INTERNAL)
| 
 Card Type  | 
 Fax, Modem (asynchronous/synchronous)  | 
| 
 Chip Set  | 
 U.S. Robotics  | 
| 
 Maximum Data Rate  | 
 28.8Kbps  | 
| 
 Maximum Fax Rate  | 
 14.4Kbps  | 
| 
 Data Bus  | 
 8-bit ISA  | 
| 
 Fax Class  | 
 Class I & II  | 
| 
 Data Modulation Protocol  | 
 Bell 103/212A ITU-T V.21, V.22, V.22bis, V.23, V.25bis, V.32, V.32bis, V.34 Rockwell V.FC U.S. Robotics HST, V.32terbo  | 
| 
 Fax Modulation Protocol  | 
 ITU-T V.17, V.21, V.27ter, V.29  | 
| 
 Error Correction/Compression  | 
 HST, MNP5, V.42, V.42bis  | 

| 
 CONNECTIONS  | ||||||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | |||
| 
 Line out  | 
 CN1  | 
 Line in  | 
 CN2  | |||
| 
 USER CONFIGURABLE SETTINGS  | ||
| 
 Setting  | 
 Label  | 
 Position  | 
| 
 í DTR normal | 
 SW1/A  | 
 Off  | 
| 
 DTR forced high  | 
 SW1/A  | 
 On  | 
| 
 í Verbose (word) format enabled | 
 SW1/B  | 
 Off  | 
| 
 Numeric format enabled  | 
 SW1/B  | 
 On  | 
| 
 í Result code display enabled | 
 SW1/C  | 
 On  | 
| 
 Result code display disabled  | 
 SW1/C  | 
 Off  | 
| 
 í Local echo enabled | 
 SW1/D  | 
 Off  | 
| 
 Local echo disabled  | 
 SW1/D  | 
 On  | 
| 
 í Auto-answer disabled | 
 SW1/E  | 
 On  | 
| 
 Auto-answer enabled, off-hook on first ring  | 
 SW1/E  | 
 Off  | 
| 
 í CD normal | 
 SW1/F  | 
 Off  | 
| 
 CD forced high  | 
 SW1/F  | 
 On  | 
| 
 í Result code display enabled in both originate and answer mode | 
 SW1/G  | 
 Off  | 
| 
 Result code display enabled in originate mode only  | 
 SW1/G  | 
 On  | 
| 
 í Smart mode | 
 SW1/H  | 
 On  | 
| 
 Dumb mode  | 
 SW1/H  | 
 Off  | 
| 
 í Escape code response: modem goes on-hook, off-line command mode, returns ‘NO CARRIER’ | 
 SW1/I  | 
 Off  | 
| 
 Escape code response: modem stays on-line, on-line command mode, returns ‘OK’  | 
 SW1/I  | 
 On  | 
| 
 í Reset and load from profiles in NVRAM | 
 SW1/J  | 
 Off  | 
| 
 Reset and load from factory settings in ROM  | 
 SW1/J  | 
 On  | 
| 
 SERIAL PORT ADDRESS  | ||||
| 
 Setting  | 
 JP1/A  | 
 JP1/B  | 
 JP1/C  | 
 JP1/D  | 
| 
 COM1 (3F8h)  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 COM2 (2F8h)  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 COM3 (3E8h)  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 COM4 (2E8h)  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 INTERRUPT SELECTION  | |||||
| 
 Setting  | 
 JP2/A  | 
 JP2/B  | 
 JP2/C  | 
 JP2/D  | 
 JP2/E  | 
| 
 2  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 3  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 4  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 5  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 7  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
Proprietary AT Command Set
See document V2007 for a full command summary.