OMNITEL, INC.
T1200-PC4
| Modem Type | Data (Asynchronous/Synchronous) |
| Maximum Data Rate | 1200 bps |
| Maximum Fax Rate | N/A |
| Data Bus | 8-bit ISA |
| Fax Class | N/A |
| Data Modulation Protocol | Bell 212A, CCITT V.22bis & V.22 |
| Fax Modulation Protocol | N/A |
| Error Correction/Compression | Unidentified |
CONNECTIONS |
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Purpose |
Location |
Purpose |
Location |
| Line in | CN1 |
Line out | CN2 |
COM PORT CONFIGURATIONS |
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COM |
SW1/1 |
SW1/2 |
|
| » | COM1 |
On |
On |
COM2 |
On |
Off |
|
COM3 |
Off |
On |
|
COM4 |
Off |
Off |
|
DATA TERMINAL READY - DTR |
||
Setting |
SW1/3 |
|
| » | Disabled |
Off |
Enabled |
On |
|
CARRIER DETECT - CD |
||
Setting |
SW1/4 |
|
| » | Disabled |
Off |
Enabled |
On |
|
FACTORY CONFIGURED SETTINGS |
|
Switch |
Setting |
SW1/5 |
Off |
SW1/6 |
Off |
INTERUPT SELECT |
||
Setting |
J6 |
J7 |
IRQ2 |
N/A |
Pins 2 & 3 closed |
IRQ3 |
N/A |
Pins 1 & 2 closed |
IRQ4 |
Pins 1 & 2 closed |
N/A |
IRQ5 |
Pins 2 & 3 closed |
N/A |
PROPRIETARY COMMAND SET |
||
| Type: | Configuration | |
| Format: | ATS(register)=(Command Value) | |
| Example: | ATS16=1A | |
| Description: | Writes to or reads from a specified register. | |
Register |
Command Value |
Function |
S16 |
1A |
Answer mode enabled. |
S16 |
1D |
Dialing Test: Tests the ability of the modem to dial a telephone number. |
S18 |
0&T8 |
Connection Test: Audible tones indicate a connection is being established. "Connect" or "Connect 1200" is displayed. Next the modem generates a string of uppercase U’s, looped back, and received by the modem. |