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# OMNITEL, INC.
T2400-PC3
Modem Type Data (Asynchronous/Synchronous)
Maximum Data Rate 2400 bps
Maximum Fax Rate N/A
Data Bus 8-bit ISA
Fax Class N/A
Data Modulation Protocols Bell 103A & 212A
ITU-T V.22 & V.22 bis & V.21
Fax Modulation Protocols N/A
Error Correction/Compression Unidentified
IMG IMG 1
+------------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+-----------+--------------------+------------|
| Line in | CN1 | Line out | CN2 |
+------------------------------------------------------------------+
+------------------------------------------------------------------+
| COM PORT CONFIGURATIONS |
|------------------------------------------------------------------|
| COM | SW1/1 | SW1/2 |
|---------------------+----------------------+---------------------|
| í COM1 | On | On |
|---------------------+----------------------+---------------------|
| COM2 | On | Off |
|---------------------+----------------------+---------------------|
| COM3 | Off | On |
|---------------------+----------------------+---------------------|
| COM4 | Off | Off |
+------------------------------------------------------------------+
+------------------------------------------------------------------+
| DATA TERMINAL READY - DTR |
|------------------------------------------------------------------|
| Setting | SW1/3 |
|----------------------------------+-------------------------------|
| í Disabled | Off |
|----------------------------------+-------------------------------|
| Enabled | On |
+------------------------------------------------------------------+
+------------------------------------------------------------------+
| CARRIER DETECT - CD |
|------------------------------------------------------------------|
| Setting | SW1/4 |
|----------------------------------+-------------------------------|
| í Disabled | Off |
|----------------------------------+-------------------------------|
| Enabled | On |
+------------------------------------------------------------------+
+------------------------------------------------------------------+
| FACTORY CONFIGURED SETTINGS |
|------------------------------------------------------------------|
| Switch | Setting |
|--------------------------------+---------------------------------|
| SW1/5 | Off |
|--------------------------------+---------------------------------|
| SW1/6 | Off |
+------------------------------------------------------------------+
+------------------------------------------------------------------+
| CLEAR TO SEND OPTIONS |
|------------------------------------------------------------------|
| Setting | J3 |
|--------------------------------+---------------------------------|
| CTS follows RTS | Pins 1 & 2 closed |
|--------------------------------+---------------------------------|
| CTS follows CD | Pins 2 & 3 closed |
+------------------------------------------------------------------+
+------------------------------------------------------------------+
| &R- COMMUNICATIONS OPTIONS |
|------------------------------------------------------------------|
| Note: | The &T1R Loopback connection established in answer |
| | mode. |
|------------+-----------------------------------------------------|
| Command | Protocol |
|------------+-----------------------------------------------------|
| í&T1R | Establish loopback connection in answer mode. |
|------------------------------------------------------------------|
| Note: If you do not want to be in answer mode leave off the R on |
| the end of the command. |
+------------------------------------------------------------------+
+------------------------------------------------------------------+
| PROPRIETARY COMMAND SET |
|------------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------------|
| Format: | ATS(register)=(Command Value) |
|--------------+---------------------------------------------------|
| Example: | ATS18=0&T8 |
|--------------+---------------------------------------------------|
| Description: | Writes to or reads from a specified register. |
|------------------------------------------------------------------|
| Register | Command Value | Function |
|---------------+---------------+----------------------------------|
| S18 | 0&T8 | Connects modem in originate |
| | | mode, 0 set manual termination. |
|---------------+---------------+----------------------------------|
| S18 | 30&T8 | Connects modem in originate |
| | | mode, 30 set timed termination |
| | | to 30 seconds. |
|------------------------------------------------------------------|
| Note: If you want answer mode add an R to the end of the |
| command. |
+------------------------------------------------------------------+