PRACTICAL PERIPHERALS, INC.
PRACTICAL 336 EXTERNAL VOICE/DATA/FAX
| 
 Card Type  | 
 Modem (synchronous)  | 
| 
 Chipset  | 
 Unidentified  | 
| 
 I/O Options  | 
 Microphone in, speaker out, voice, speakerphone  | 
| 
 Maximum Data Rate  | 
 33.6Kbps  | 
| 
 Maximum Fax Rate  | 
 14.4Kbps  | 
| 
 Data Bus  | 
 Serial  | 
| 
 Fax Class  | 
 Unidentified  | 
| 
 Data Modulation  | 
 Unidentified  | 
| 
 Fax Modulation  | 
 Unidentified  | 
| 
 Error Correction/Compression  | 
 Unidentified  | 

| 
 CONNECTIONS  | |||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | 
| 
 Telephone line out  | 
 CN1  | 
 Speaker out  | 
 CN5  | 
| 
 Telephone line in  | 
 CN2  | 
 DC power in  | 
 CN6  | 
| 
 RS-232/422  | 
 CN3  | 
 Power switch  | 
 SW1  | 
| 
 Microphone in  | 
 CN4  | ||
| 
 DIAGNOSTIC LED(S)  | |||
| 
 LED  | 
 Color  | 
 Status  | 
 Condition  | 
| 
 MR  | 
 Unidentified  | 
 On  | 
 Power is on  | 
| 
 MR  | 
 Unidentified  | 
 Off  | 
 Power is off  | 
| 
 TR  | 
 Unidentified  | 
 On  | 
 DTR signal is high  | 
| 
 TR  | 
 Unidentified  | 
 Off  | 
 DTR signal is low  | 
| 
 SD  | 
 Unidentified  | 
 On  | 
 Modem is transmitting data  | 
| 
 SD  | 
 Unidentified  | 
 Off  | 
 Modem is not transmitting data  | 
| 
 RD  | 
 Unidentified  | 
 On  | 
 Modem is receiving data  | 
| 
 RD  | 
 Unidentified  | 
 Off  | 
 Modem is not receiving data  | 
| 
 OH  | 
 Unidentified  | 
 On  | 
 Modem is off-hook  | 
| 
 OH  | 
 Unidentified  | 
 Off  | 
 Modem is on-hook  | 
| 
 CD  | 
 Unidentified  | 
 On  | 
 Carrier signal detected  | 
| 
 CD  | 
 Unidentified  | 
 Off  | 
 Carrier signal not detected  | 
| 
 RI  | 
 Unidentified  | 
 On  | 
 Phone is ringing  | 
| 
 RI  | 
 Unidentified  | 
 Off  | 
 Phone is not ringing  | 
| 
 HS  | 
 Unidentified  | 
 On  | 
 Modem is operating at 4800bps or faster  | 
| 
 HS  | 
 Unidentified  | 
 Off  | 
 Modem is operating at slower than 4800bps  | 
| 
 SUPPORTED STANDARD COMMANDS  | 
The command set is unidentified.  |