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# PATTON ELECTRONICS COMPANY
1012A (DUAL PORT)
Card Type Short Range Modem
Chip Set Unidentified
I/O Options 25-pin serial port (RS-232),
network interface via RJ-45, or RJ-11
connectors (2)
Wiring Type Unshielded twisted pair
Maximum Data Rate 38.4Kbps
Data Bus External
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| DTE/DCE serial port | CN1 | UTP interface - | CN3 |
| (25-pin connector) | | secondary | |
| | | (RJ-45 or | |
| | | RJ-11) | |
|------------------------+-------+-----------------+---------|
| UTP interface - | CN2 | | |
| primary (RJ-45 or | | | |
| RJ-11) | | | |
|------------------------------------------------------------|
| Note: Secondary twisted pair connector used to facilitate |
| daisy chaining |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|----------------------------------------+-------+-----------|
| DTE mode | SW1 | On |
|----------------------------------------+-------+-----------|
| DCE mode | SW1 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS/DCD CONTROL |
|------------------------------------------------------------|
| DCE | DTE | JP1 |
|----------------------------+----------------------+--------|
| Carrier forced high | Carrier forced high | Open |
|----------------------------+----------------------+--------|
| Carrier activated by RTS - | Carrier activated by | Closed |
| pin 4 | DCD - pin 8 | |
+------------------------------------------------------------+