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# PRACTICAL PERIPHERALS, INC.
PM144HC II
Card Type Modem (asynchronous)
Chipset Unidentified
Maximum Data Rate 14.4Kbps
Maximum Fax Rate 14.4Kbps
Data Bus 8-bit ISA
Fax Class Class I & II
Data Modulation Bell 103A/212A
ITU-T V.21, V.22, V.22bis, V.32,
V.32bis
Fax Modulation V.17, V.27ter, V.29
Error MNP5, V.42bis
Correction/Compression
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| Line in/out | CN1 | Line in/out | CN2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | E1 | E3 |
|--------------------+-------------------+-------------------|
| 3F8h (COM1:) | Closed | Closed |
|--------------------+-------------------+-------------------|
| 2F8h (COM2:) | Open | Closed |
|--------------------+-------------------+-------------------|
| 3E8h (COM3:) | Closed | Open |
|--------------------+-------------------+-------------------|
| 2E8h (COM4:) | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| Setting | E4 | E5 | E6 | E7 |
|------------+-----------+-----------+-----------+-----------|
| IRQ2 | Open | Open | Open | Closed |
|------------+-----------+-----------+-----------+-----------|
| IRQ3 | Closed | Open | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| IRQ4 | Open | Closed | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| IRQ5 | Open | Open | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED STANDARD COMMANDS |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| +++, ‘comma’, A/ |
|------------------------------------------------------------|
| A, D, E, H, L, M, N, Q, V, W, X, Y, Z |
|------------------------------------------------------------|
| &D, &F, &K, &V, &W, &Y, &Z |
|------------------------------------------------------------|
| S-Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S18, S25, S30, S36, S38, S46, S48, S82 |
|------------------------------------------------------------|
| S86, S95, S108, S109, S110 |
|------------------------------------------------------------|
| Note: See MHI documentation for complete information. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| UNIDENTIFIED COMMANDS |
|------------------------------------------------------------|
| Command | Default |
|------------------------------+-----------------------------|
| S37 | 0 |
|------------------------------+-----------------------------|
| S43 | 0 |
+------------------------------------------------------------+
Proprietary AT Command Set
See PRACTICAL PERIPHERALS, INC. PM144HC II (VER. 1) for a full
command summary.