U.S. ROBOTICS, INC.
SPORTSTER 2400PC
Modem Type | Data (synchronous/asynchronous) |
Maximum Data Rate | 2400bps |
Data Bus | 8-bit ISA |
Fax Class | Class I & II |
Data Modulation Protocol | Bell 103A/212A ITU-T V.21, V.22 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Line out | CN1 | Volume | SW2 |
Line in | CN2 |
DTR SIGNAL | |
Setting | SW1/1 |
» DTR forced high | On |
DTR normal | Off |
RESULT CODES | |
Setting | SW1/2 |
» Verbal result codes enabled | Off |
Numeric result codes enabled | On |
RESULT CODES DISPLAY | |
Setting | SW1/3 |
» Display disabled | On |
Display enabled | Off |
ECHO DISPLAY | |
Setting | SW1/4 |
» Local echo enabled | Off |
Local echo disabled | On |
AUTO ANSWER | |
Setting | SW1/5 |
» Modem does not answer on first ring | On |
Modem answers on first ring | Off |
CARRIER DETECT | |
Setting | SW1/6 |
» CD normal | Off |
CD forced high | On |
MULTIPLE PHONE INSTALLATION | |
Setting | SW1/7 |
» Single phone connected | Off |
Multiple phones connected | On |
AT COMMAND SET | |
Setting | SW1/8 |
» AT command set recognized | On |
AT command set disabled | Off |
ESCAPE CODE | |
Setting | SW1/9 |
» On | Go to command mode and display OK result code when escape character is received |
Off | Disconnect, go to command mode and display NO CARRIER when escape character is received |
FACTORY CONFIGURED SETTINGS | |
Switch | Setting |
SW1/10 | Not used |
COM PORT CONFIGURATION | ||
Port | J1 | J2 |
COM1: (3F8h) | Pins 1 & 2 closed | Pins 1 & 2 closed |
COM2: (3E8h) | Pins 3 & 4 closed | Pins 1 & 2 closed |
COM3: (2F8h) | Pins 1 & 2 closed | Pins 3 & 4 closed |
COM4: (2E8h) | Pins 3 & 4 closed | Pins 3 & 4 closed |
INTERRUPT SELECTION | |
IRQ | J3 |
3 | Pins 3 & 5 closed |
4 | Pins 1 & 3 closed |
5 | Pins 2 & 4 closed |
7 | Pins 4 & 6 closed |
Disabled | Open |
Proprietary AT Command Set
ANALOG LOOPBACK SELF TEST | |
Type: | Register |
Format: | AT [cmds] S16=n [cmds] |
Example: | ATS16=139 <CR> |
Description: | Selects the tone dialing test. |
Command | Function |
0 | Data mode. |
1 | Analog loopback. |
2 | Dial testing. |
4 | Test pattern. |
5 | Analog loopback and test pattern. |
CLOCK DISPLAY | |
Type: | Configuration |
Format: | AT [cmds] Kn [cmds] |
Example: | AT K1 *L2 #E1 <CR> |
Description: | Automatically establishes switched line connection if leased line fails |
Command | Function |
K0 | Display length of last call. |
K1 | Display actual time. |
HELP SCREENS | |
Type: | Immediate |
Format: | AT <prefix>$ |
Example: | AT &$ <CR> |
Description: | Shows command help screens for all commands beginning with the given prefix, or no prefix if none is given. |
Command | Function |
$ | Shows ATx help screen. |
D$ | Shows ATDx help screen. |
S$ | Shows S-register help screen. |
REPEAT COMMAND STRING | |
Type: | Configuration |
Format: | AT [cmds] > [cmds] |
Example: | AT *D1 > #E1 <CR> |
Description: | Causes modem to repeat command string until a keyboard key is pressed. |