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# PATTON ELECTRONICS COMPANY
2089
Card Type Interface Converter
Chip Set Unidentified
I/O Options 9-pin serial port, network interface via
RJ-45, RJ-11 or terminal block
Wiring Type Unshielded twisted pair
Maximum Data Rate 115.2Kbps
Data Bus External
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|---------------------+-------+----------------------+-------|
| DTE/DCE serial port | CN1 | UTP interface | CN2 |
| (9-pin connector) | | (RJ-45, RJ-11 or | |
| | | terminal block) | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|-----------------------------------------+-------+----------|
| » | Receive impedance set low (120Ohms) | S1/1 | On |
|---+-------------------------------------+-------+----------|
| | Receive impedance set high | S1/1 | Off |
| | (16kOhms) | | |
|---+-------------------------------------+-------+----------|
| » | Echo mode disabled | S1/4 | Off |
|---+-------------------------------------+-------+----------|
| | Echo mode enabled | S1/4 | On |
|---+-------------------------------------+-------+----------|
| » | Carrier controlled by RTS | S2/1 | On |
|---+-------------------------------------+-------+----------|
| | Carrier forced high | S2/1 | Off |
|---+-------------------------------------+-------+----------|
| » | 8ms RTS/CTS delay enabled | S2/2 | On |
|---+-------------------------------------+-------+----------|
| | RTS/CTS delay disabled | S2/2 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMIT LINE IMPEDENCE |
|------------------------------------------------------------|
| Setting | S2/3 | S2/4 |
|----------------------------------------+---------+---------|
| » | High impedence enabled | Off | Off |
|---+------------------------------------+---------+---------|
| | Intermediate impedence enabled | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 2-WIRE/4-WIRE MODE SELECTION |
|------------------------------------------------------------|
| Setting | S1/2 | S1/3 |
|---------------------------------------+----------+---------|
| » | 2-wire mode enabled | On | On |
|---+-----------------------------------+----------+---------|
| | 4-wire mode enabled enabled | Off | Off |
+------------------------------------------------------------+