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 Correction/Compression | MNP5, V.42, V.42bis |
Fax Class | Class II |
Data Bus | Serial |

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 Status | Color | 96 Status | Color | Condition | |||
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.