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# 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 Unidentified
Correction/Compression
IMG IMG 1
+------------------------------------------------------------+
| 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. |
+---------------------------------------+