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# MULTI-TECH SYSTEMS, INC.
MT1432MK-MAC, MT1432MU-MAC, MT1432MUI-MAC
Card Type Modem (asynchronous)
Chipset Multi-Tech Systems, Inc.
Maximum Data Rate 14.4Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Bell 103A, 113, 212A
ITU-T V.21 (MT1432MUI only), V.22,
V.22bis, V.23, V.32, V.32bis
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29
Error MNP5, V.42, V.42bis
Correction/Compression
Fax Class Class II
Data Bus Serial
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-----------------------+-------+--------------------+-------|
| 9V DC power in | CN1 | Telephone line out | CN3 |
|-----------------------+-------+--------------------+-------|
| Macintosh serial port | CN2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-ANSWER CONFIGURATION |
|------------------------------------------------------------|
| Setting | SW1 |
|---------------------------------+--------------------------|
| Standby, wait for incoming call | Position 3 |
|---------------------------------+--------------------------|
| Off | Position 2 |
|---------------------------------+--------------------------|
| On | Position 1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-------+---------+---------+--------------------------------|
| TD | Red | On | Modem is transmitting data |
|-------+---------+---------+--------------------------------|
| TD | Red | Off | Modem is not transmitting data |
|-------+---------+---------+--------------------------------|
| RD | Red | On | Modem is receiving data |
|-------+---------+---------+--------------------------------|
| RD | Red | Off | Modem is not receiving data |
|-------+---------+---------+--------------------------------|
| CD | Red | On | Carrier signal detected |
|-------+---------+---------+--------------------------------|
| CD | Red | Off | Carrier signal not detected |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) (CON'T) |
|------------------------------------------------------------|
| 14 | Color | 96 | Color | Condition |
| Status | | Status | | |
|--------+---------+--------+-------+------------------------|
| On | Red | On | Red | Modem connected at |
| | | | | 12Kbps in V.32bis |
|--------+---------+--------+-------+------------------------|
| Off | Red | On | Red | Modem connected at |
| | | | | 9600bps |
|--------+---------+--------+-------+------------------------|
| On | Red | Off | Red | Modem connected at |
| | | | | 14.4Kbps |
|--------+---------+--------+-------+------------------------|
| Off | Red | Off | Red | Modem connected at |
| | | | | slower than 9600bps |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------------+----------+------------+-----------------------|
| 24 | Red | On | Modem connected at |
| | | | 2400bps |
|------------+----------+------------+-----------------------|
| 24 | Red | Off | Modem not connected |
| | | | at 2400bps |
|------------+----------+------------+-----------------------|
| 12 | Red | On | Modem connected at |
| | | | 1200bps |
|------------+----------+------------+-----------------------|
| 12 | Red | Off | Modem not connected |
| | | | at 1200bps |
|------------+----------+------------+-----------------------|
| OH | Red | On | Modem is off-hook |
|------------+----------+------------+-----------------------|
| OH | Red | Blinking | Modem is dialing in |
| | | | pulse mode |
|------------+----------+------------+-----------------------|
| OH | Red | Off | Modem is on-hook |
|------------+----------+------------+-----------------------|
| TR | Red | On | DTR signal is high |
|------------+----------+------------+-----------------------|
| TR | Red | Off | DTR signal is low |
|------------+----------+------------+-----------------------|
| EC | Red | On | Error correction |
| | | | enabled |
|------------+----------+------------+-----------------------|
| EC | Red | Blinking | Data compression |
| | | | enabled |
|------------+----------+------------+-----------------------|
| EC | Red | Off | Error correction |
| | | | disabled |
|------------+----------+------------+-----------------------|
| FX | Red | On | Modem is connected in |
| | | | FAX mode |
|------------+----------+------------+-----------------------|
| FX | Red | Off | Modem is not |
| | | | connected in FAX mode |
|------------+----------+------------+-----------------------|
| LB | Red | On | Battery is low |
| | | | (approx. 10 minutes |
| | | | left) |
|------------+----------+------------+-----------------------|
| LB | Red | Off | Battery is good |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED STANDARD COMMANDS |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| +++, A/ |
|------------------------------------------------------------|
| A, B, D, E, H, M, O, P, T, V, X, Y, Z |
|------------------------------------------------------------|
| &D, &G, &P, &T |
|------------------------------------------------------------|
| S-Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S25, S30 |
|------------------------------------------------------------|
| Note: See MHI help file for complete information. |
+------------------------------------------------------------+
Proprietary AT Command Set
See MULTI-TECH SYSTEMS, INC. MT1432MU for a full command summary.