3COM CORPORATION
MICROLINK 2400
|
Modem Type |
Data (synchronous/asynchronous) |
|
Maximum Data Rate |
2400bps |
|
Data Bus |
8-bit ISA |
|
Data Modulation Protocol |
Bell 103A/212A ITU-T V.22 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Line out |
CN1 |
Line in |
CN2 |
|
DTR SIGNAL | |
| Setting |
SW1/1 |
| DTR forced high |
On |
| DTR normal |
Off |
|
RESULT CODES | |
| Setting |
SW1/2 |
| Verbose codes enabled |
Off |
| Numeric result codes enabled |
On |
|
RESULT CODES DISPLAY | |
| Setting |
SW1/3 |
| Display disabled |
Off |
| Display enabled |
On |
|
ECHO COMMANDS DISPLAY | |
| Setting |
SW1/4 |
| Local echo enabled |
Off |
| Local echo disabled |
On |
|
AUTO ANSWER | |
| Setting |
SW1/5 |
| Modem doe not answer on first ring |
On |
| Modem answers on first ring |
Off |
|
CARRIER DETECT | |
| Setting |
SW1/6 |
| CD normal |
Off |
| CD forced high |
On |
|
MULTI-LINE INSTALLATION | |
| Setting |
SW1/7 |
| Single phone connected |
Off |
| Multiple phones connected |
On |
|
AT COMMAND SET | |
| Setting |
SW1/8 |
| AT command set enabled |
On |
| AT command set disabled |
Off |
|
ESCAPE CODE | |
| Setting |
SW1/9 |
| Go to command mode and display OK result code when escape character is received |
On |
| Disconnect, go to command mode and display NO CARRIER when escape character is received |
Off |
|
VOLUME | |
| Setting |
SW1/10 |
| High |
Off |
| Low |
On |
|
BASE I/O ADDRESS SELECTION | ||
|
Address |
J3 |
J4 |
|
COM1: (3F8h) |
Off |
Pins 2 & 3 closed |
|
COM2: (2F8h) |
On |
Pins 2 & 3 closed |
|
COM3: (3E8h) |
Off |
Pins 1 & 2 closed |
|
COM4: (2E8h) |
On |
Pins 1 & 2 closed |
|
INTERRUPT | |
|
IRQ |
J5 |
|
4 |
Pins 2 & 3 closed |
|
3 |
Pins 1 & 2 closed |
Proprietary AT Command Set
See document V1260 for a full command summary.