PRACTICAL PERIPHERALS, INC.
PC288HC V.34
| 
 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  | 
| 
 Data Modulation Protocol  | 
 Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis, V.34 Rockwell V.FC  | 
| 
 Fax Modulation Protocol  | 
 ITU-T V.17, 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
| 
 CALLER ID  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %CCID=n [cmds]  | 
| 
 Example:  | 
 AT %CCID=2 <CR> | 
| 
 Description:  | 
 Controls the Caller ID function.  | 
| Command | 
 Function  | 
| » %CCID=0 | 
 Caller ID disabled.  | 
| %CCID=1 | 
 Caller ID displays formatted data.  | 
| %CCID=2 | 
 Caller ID displays raw hexadecimal data.  | 
| 
 CLOCK DOUBLER  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %BAUD=n [cmds]  | 
| 
 Example:  | 
 AT %BAUD1 <CR> | 
| 
 Description:  | 
 Doubles the local serial port speed.  | 
| Command | 
 Function  | 
| » %BAUD=0 | 
 Clock doubler disabled.  | 
| %BAUD=1 | 
 Clock doubler enabled.  | 
| 
 EXTENDED RING  | |||
| 
 Format:  | 
 AT [cmds] S101=n [cmds]  | ||
| 
 Example:  | 
 ATS101=40<CR>  | ||
| 
 Default:  | 
 0  | ||
| 
 Range:  | 
 0 - 255  | ||
| 
 Unit:  | 
 Bit-mapped  | ||
| 
 Description:  | 
 Selects the response to extended ring types.  | ||
| 
 Bit  | 
 Value  | 
 Function  | |
| 
 0  | » 0 1 | 
 Do not respond to ring type A. Respond to ring type A.  | |
| 
 1  | » 0 1 | 
 Do not respond to ring type B. Respond to ring type B.  | |
| 
 2  | » 0 1 | 
 Do not respond to ring type C. Respond to ring type C.  | |
| 
 3  | » 0 1 | 
 Do not respond to ring type D. Respond to ring type D.  | |
| 
 4  | » 0 1 | 
 Do not respond to ring type E. Respond to ring type E.  | |
| 
 5  | » 0 1 | 
 Do not respond to ring type F. Respond to ring type F.  | |
| 
 6  | » 0 1 | 
 Do not respond to ring type G. Respond to ring type G.  | |
| 
 7  | » 0 1 | 
 Report RING for all ring types. Report RING n where n is the ring type.  | |
| 
 HELP SCREENS  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] $H  | 
| 
 Example:  | 
 AT $H <CR> | 
| 
 Description:  | 
 Shows modem help screens.  | 
| 
 REDIAL  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] DL  | 
| 
 Example:  | 
 AT M1 DL <CR> | 
| 
 Description:  | 
 Redials the last number dialed.  |