U.S. ROBOTICS, INC.
SPORTSTER 1200PC
Modem Type |
Data (synchronous/asynchronous) |
Maximum Data Rate |
1200bps |
Data Bus |
8-bit ISA |
Data Modulation Protocol |
Bell 103A/212A |
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 |
Verbose result codes enabled |
Off |
Numeric result codes enabled |
On |
RESULT CODES DISPLAY | |
Setting |
SW1/3 |
Display enabled |
On |
Display disabled |
Off |
ECHO COMMANDS 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 |
MULTLINE 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 |
COM PORT CONFIGURATION | ||
Port |
J1 |
J2 |
COM1: (3F8h) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
COM2: (3E8h) |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
COM3: (2F8h) |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
COM4: (2E8h) |
Pins 2 & 3 closed |
Pins 2 & 3 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. |