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# CONNECT TECH, INC.
DFLEX-4/104
Card Type Serial
Chipset 16550
I/O Options Serial ports (4)
Data Bus 8-bit PC/104
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|---------------------+-------+----------------------+-------|
| RS-232, RS-422, | CN1 | DC power in (see | CN5 |
| RS-485, or current | | pinout below) | |
| loop serial port 2 | | | |
|---------------------+-------+----------------------+-------|
| RS-232, RS-422, | CN2 | Serial interface | SL1 |
| RS-485, or current | | module for ports 1 & | |
| loop serial port 4 | | 2 | |
|---------------------+-------+----------------------+-------|
| RS-232, RS-422, | CN3 | Serial interface | SL2 |
| RS-485, or current | | module for ports 3 & | |
| loop serial port 3 | | 4 | |
|---------------------+-------+----------------------+-------|
| RS-232, RS-422, | CN4 | | |
| RS-485, or current | | | |
| loop serial port 1 | | | |
|------------------------------------------------------------|
| Note:Standard serial ports are provided on an adapter |
| cable. |
| |
| The type of serial port is determined by the module |
| installed in SL1 and SL2. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CN5 PINOUT |
|------------------------------------------------------------|
| Function | Pin | Function | Pin |
|-------------------+-----+----------------------------+-----|
| Ground | 1 | -5V DC power in (not used) | 5 |
|-------------------+-----+----------------------------+-----|
| +5V DC power in | 2 | -12V DC power in | 6 |
|-------------------+-----+----------------------------+-----|
| Not used | 3 | Ground | 7 |
|-------------------+-----+----------------------------+-----|
| +12V DC power in | 4 | +5V DC power in | 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|---------------------------------------+-------+------------|
| » | Factory configured - do not alter | JP1 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP1 | Pins 3 & 4 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT ADDRESS SELECTION |
|------------------------------------------------------------|
| Port 1 | Port 2 | Port 3 | Port 4 | JP1 |
|--------------+---------+---------+---------+---------------|
| » | 200h | 208h | 210h | 218h | Pins 21 & 22, |
| | | | | | 23 & 24, 25 & |
| | | | | | 26 closed |
|---+----------+---------+---------+---------+---------------|
| | 240h | 248h | 250h | 258h | Pins 23 & 24, |
| | | | | | 25 & 26 |
| | | | | | closed |
|---+----------+---------+---------+---------+---------------|
| | 280h | 288h | 290h | 298h | Pins 21 & 22, |
| | | | | | 25 & 26 |
| | | | | | closed |
|---+----------+---------+---------+---------+---------------|
| | 2C0h | 2C8h | 2D0h | 2D8h | Pins 25 & 26 |
| | | | | | closed |
|---+----------+---------+---------+---------+---------------|
| | 3F8h | 2F8h | 3E8h | 2E8h | Pins 21 & 22, |
| | (COM1:) | (COM2:) | (COM3:) | (COM4:) | 23 & 24 |
| | | | | | closed |
|---+----------+---------+---------+---------+---------------|
| | 2B0h | 2B8h | 2C0h | 2C8h | Pins 23 & 24 |
| | | | | | closed |
|---+----------+---------+---------+---------+---------------|
| | 290h | 298h | 2A0h | 2A8h | Pins 21 & 22 |
| | | | | | closed |
|---+----------+---------+---------+---------+---------------|
| | 190h | 198h | 1A0h | 1A8h | Pins 21 & 22, |
| | | | | | 23 & 24, 25 & |
| | | | | | 26 open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| Setting | JP1 |
|----------------------------+-------------------------------|
| | IR/FONT> | Pins 13 & 15 closed |
|---+------------------------+-------------------------------|
| | IRQ3 | Pins 11 & 13 closed |
|---+------------------------+-------------------------------|
| » | IRQ4 | Pins 7 & 9 closed |
|---+------------------------+-------------------------------|
| | IRQ5 | Pins 5 & 7 closed |
+------------------------------------------------------------+