PRACTICAL PERIPHERALS, INC.
PM9600HC II
| 
 Modem Type  | 
 Data (synchronous/asynchronous)/Fax  | 
| 
 Maximum Data Rate  | 
 9600bps  | 
| 
 Maximum Fax Rate  | 
 9600bps  | 
| 
 Data Bus  | 
 8-bit ISA  | 
| 
 Fax Class  | 
 Class I & II  | 
| 
 Data Modulation Protocol  | 
 Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.32  | 
| 
 Fax Modulation Protocol  | 
 ITU-T V.27ter, V.29  | 
| 
 Error Correction/Compression  | 
 MNP5, V.42, V.42bis  | 

| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Line out  | 
 CN1  | 
 Line in  | 
 CN2  | 
| 
 BASE I/O ADDRESS SELECTION  | ||
| 
 Address  | 
 SW1/1  | 
 SW1/2  | 
| 
 COM1: (3F8h)  | 
 On  | 
 On  | 
| 
 COM2: (2F8h)  | 
 On  | 
 Off  | 
| 
 COM3: (3E8h)  | 
 Off  | 
 On  | 
| 
 COM4: (2E8h)  | 
 Off  | 
 Off  | 
| 
 INTERRUPT SELECTION  | |||
| IRQ | 
 JP1 pins 1 & 2  | 
 JP1 pins 3 & 4  | 
 JP1 pins 5 & 6  | 
| » 3/4 | 
 Closed  | 
 Open  | 
 Open  | 
| 2 | 
 Open  | 
 Closed  | 
 Open  | 
| 5 | 
 Open  | 
 Open  | 
 Closed  | 
Proprietary AT Command Set
| 
 REDIAL  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] DL  | 
| 
 Example:  | 
 AT M1 DL <CR> | 
| 
 Description:  | 
 Redials the last number dialed.  | 
| 
 REPORT INFORMATION  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] In [cmds]  | 
| 
 Example:  | 
 AT I1 &W <CR> | 
| 
 Description:  | 
 Displays modem properties.  | 
| Command | 
 Function  | 
| 
 I0  | 
 Reports modem model and speed.  | 
| 
 I1  | 
 Reports checksum number.  | 
| 
 I2  | 
 Reports checksum result.  | 
| 
 I3  | 
 Reports firmware version.  | 
| 
 I4  | 
 Reports current command settings.  | 
| 
 V.22 PROBE REJECT TIME  | |
| 
 Type:  | 
 Register  | 
| 
 Format:  | 
 AT [cmds] S97=n [cmds]  | 
| 
 Example:  | 
 ATS97=15 <CR> | 
| 
 Default:  | 
 30  | 
| 
 Range:  | 
 15-70  | 
| 
 Unit:  | 
 .1 second  | 
| 
 Description:  | 
 Sets the time for which the modem will reject the V.22/V.22bis probe signal when in V.32 mode.  |