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# 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 MNP5, V.42, V.42bis
Correction/Compression
(IMG) IMG 1
+------------------------------------------------------------+
| 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 |
|---------+----------------+----------------+----------------|
| ยป 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. |
+------------------------------------------------------------+