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# U.S. ROBOTICS, INC.
AUTO DIAL S-100
Card Type Modem (asynchronous)
Chip Set U.S. Robotics
Maximum Data Rate 1200bps
Data Bus External
Data Modulation Protocol Bell 103/212A
V2256
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line out | CN1 | DC power | CN4 |
|---------------------------+----------+--------------+------|
| Line in | CN2 | Power switch | SW1 |
|---------------------------+----------+--------------+------|
| RS-232/422 | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|-------------------------------------+-------+--------------|
| Factory configured | J1 | Unidentified |
|-------------------------------------+-------+--------------|
| 10-bit character transmission | J2 | Unidentified |
|-------------------------------------+-------+--------------|
| 11-bit character transmission | J2 | Unidentified |
|-------------------------------------+-------+--------------|
| Equalize for dial-up phone lines | J5 | Unidentified |
|-------------------------------------+-------+--------------|
| Equalize for dedicated phone lines | J5 | Unidentified |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | S6/A | S6/B | S6/C | S6/D | J6 |
|-------------+---------+---------+---------+--------+-------|
| 00/01 | Off | Off | Off | Off | Off |
|-------------+---------+---------+---------+--------+-------|
| 0E/0F | Off | Off | Off | Off | On |
|-------------+---------+---------+---------+--------+-------|
| 10/11 | Off | Off | Off | On | Off |
|-------------+---------+---------+---------+--------+-------|
| 1E/1F | Off | Off | Off | On | On |
|-------------+---------+---------+---------+--------+-------|
| 20/21 | Off | Off | On | Off | Off |
|-------------+---------+---------+---------+--------+-------|
| 2E/2F | Off | Off | On | Off | On |
|-------------+---------+---------+---------+--------+-------|
| 30/31 | Off | Off | On | On | Off |
|-------------+---------+---------+---------+--------+-------|
| 3E/3F | Off | Off | On | On | On |
|-------------+---------+---------+---------+--------+-------|
| 40/41 | Off | On | Off | Off | Off |
|-------------+---------+---------+---------+--------+-------|
| 4E/4F | Off | On | Off | Off | On |
|-------------+---------+---------+---------+--------+-------|
| 50/51 | Off | On | Off | On | Off |
|-------------+---------+---------+---------+--------+-------|
| 5E/5F | Off | On | Off | On | On |
|-------------+---------+---------+---------+--------+-------|
| 60/61 | Off | On | On | Off | Off |
|-------------+---------+---------+---------+--------+-------|
| 6E/6F | Off | On | On | Off | On |
|-------------+---------+---------+---------+--------+-------|
| 70/71 | Off | On | On | On | Off |
|-------------+---------+---------+---------+--------+-------|
| 7E/7F | Off | On | On | On | On |
|-------------+---------+---------+---------+--------+-------|
| 80/81 | On | Off | Off | Off | Off |
|-------------+---------+---------+---------+--------+-------|
| 8E/8F | On | Off | Off | Off | On |
|-------------+---------+---------+---------+--------+-------|
| 90/91 | On | Off | Off | On | Off |
|-------------+---------+---------+---------+--------+-------|
| 9E/9F | On | Off | Off | On | On |
|-------------+---------+---------+---------+--------+-------|
| A0/A1 | On | Off | On | Off | Off |
|-------------+---------+---------+---------+--------+-------|
| AE/AF | On | Off | On | Off | On |
|-------------+---------+---------+---------+--------+-------|
| B0/B1 | On | Off | On | On | Off |
|-------------+---------+---------+---------+--------+-------|
| BE/BF | On | Off | On | On | On |
|-------------+---------+---------+---------+--------+-------|
| C0/C1 | On | On | Off | Off | Off |
|-------------+---------+---------+---------+--------+-------|
| CE/CF | On | On | Off | Off | On |
|-------------+---------+---------+---------+--------+-------|
| D0/D1 | On | On | Off | On | Off |
|-------------+---------+---------+---------+--------+-------|
| DE/DF | On | On | Off | On | On |
|-------------+---------+---------+---------+--------+-------|
| E0/E1 | On | On | On | Off | Off |
|-------------+---------+---------+---------+--------+-------|
| EE/EF | On | On | On | Off | On |
|-------------+---------+---------+---------+--------+-------|
| F0/F1 | On | On | On | On | Off |
|-------------+---------+---------+---------+--------+-------|
| FE/FF | On | On | On | On | On |
|------------------------------------------------------------|
| Note: J6 ‘Off’ position in table corresponds to ‘Up’ |
| position on board. J6 ‘On’ position corresponds to |
| ‘Down’ position. |
+------------------------------------------------------------+
+-------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|-------------------------------|
| Note: Diagram not available. |
+-------------------------------+
Proprietary AT Command Set