TEXT View Source
# B & B ELECTRONICS
3PXSD4A, 3PXSD4B
Card Type Serial
Chipset 16550A (3PXSD4A)
16750 (3PXSD4B)
I/O Options Serial ports (4)
Data Bus 8/16 bit ISA
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-----------------------+-------+--------------------+-------|
| RS-232, RS-422, or | P1 | RS-232, RS-422, or | P3 |
| RS-485 serial port 1 | | RS-485 serial port | |
| | | 3 | |
|-----------------------+-------+--------------------+-------|
| RS-232, RS-422, or | P2 | RS-232, RS-422, or | P4 |
| RS-485 serial port 2 | | RS-485 serial port | |
| | | 4 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|----------------------------------------+-------+-----------|
| » | RS-485 receiver disabled when | JP3/B | Pins 1 & |
| | transmitting on port 1 | | 2 closed |
|---+------------------------------------+-------+-----------|
| | RS-485 receiver always enabled on | JP3/B | Pins 2 & |
| | port 1 | | 3 closed |
|---+------------------------------------+-------+-----------|
| | RS-485 transmitter for port 1 | JP3/D | Pins 2 & |
| | enabled on high RTS only | | 3 closed |
|---+------------------------------------+-------+-----------|
| | RS-485 transmitter for port 1 | JP3/D | Pins 1 & |
| | enabled whenever transmission is | | 2 closed |
| | attempted | | |
|---+------------------------------------+-------+-----------|
| | RS-422/485 termination enabled on | JP3/E | Pins 1 & |
| | port 1 | | 2 closed |
|---+------------------------------------+-------+-----------|
| | RS-422/485 termination disabled on | JP3/E | Pins 2 & |
| | port 1 | | 3 closed |
|---+------------------------------------+-------+-----------|
| » | RS-485 receiver disabled when | JP4/B | Pins 1 & |
| | transmitting on port 2 | | 2 closed |
|---+------------------------------------+-------+-----------|
| | RS-485 receiver always enabled on | JP4/B | Pins 2 & |
| | port 2 | | 3 closed |
|---+------------------------------------+-------+-----------|
| | RS-485 transmitter for port 2 | JP4/D | Pins 2 & |
| | enabled on high RTS only | | 3 closed |
|---+------------------------------------+-------+-----------|
| | RS-485 transmitter for port 2 | JP4/D | Pins 1 & |
| | enabled whenever transmission is | | 2 closed |
| | attempted | | |
|---+------------------------------------+-------+-----------|
| | RS-422/485 termination enabled on | JP4/E | Pins 1 & |
| | port 2 | | 2 closed |
|---+------------------------------------+-------+-----------|
| | RS-422/485 termination disabled on | JP4/E | Pins 2 & |
| | port 2 | | 3 closed |
|---+------------------------------------+-------+-----------|
| » | Serial port clock speed normal | JP5 | Pins 1 & |
| | | | 2 closed |
|---+------------------------------------+-------+-----------|
| | Serial port clock speed multiplied | JP5 | Pins 2 & |
| | by 4 | | 3 closed |
|---+------------------------------------+-------+-----------|
| | Status register enabled | JP6 | Pins 1 & |
| | | | 2 closed |
|---+------------------------------------+-------+-----------|
| | Status register disabled | JP6 | Pins 2 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| » | RS-485 receiver disabled when | JP7/B | Pins 1 & |
| | transmitting on port 3 | | 2 closed |
|---+------------------------------------+-------+-----------|
| | RS-485 receiver always enabled on | JP7/B | Pins 2 & |
| | port 3 | | 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS (CON’T) |
|------------------------------------------------------------|
| Setting | Label | Position |
|---------------------------------------+--------+-----------|
| | RS-485 transmitter for port 3 | JP7/D | Pins 2 & |
| | enabled on high RTS only | | 3 closed |
|---+-----------------------------------+--------+-----------|
| | RS-485 transmitter for port 3 | JP7/D | Pins 1 & |
| | enabled whenever transmission is | | 2 closed |
| | attempted | | |
|---+-----------------------------------+--------+-----------|
| | RS-422/485 termination enabled on | JP7/E | Pins 1 & |
| | port 3 | | 2 closed |
|---+-----------------------------------+--------+-----------|
| | RS-422/485 termination disabled | JP7/E | Pins 2 & |
| | on port 3 | | 3 closed |
|---+-----------------------------------+--------+-----------|
| » | RS-485 receiver disabled when | JP8/B | Pins 1 & |
| | transmitting on port 4 | | 2 closed |
|---+-----------------------------------+--------+-----------|
| | RS-485 receiver always enabled on | JP8/B | Pins 2 & |
| | port 4 | | 3 closed |
|---+-----------------------------------+--------+-----------|
| | RS-485 transmitter for port 4 | JP8/D | Pins 2 & |
| | enabled on high RTS only | | 3 closed |
|---+-----------------------------------+--------+-----------|
| | RS-485 transmitter for port 4 | JP8/D | Pins 1 & |
| | enabled whenever transmission is | | 2 closed |
| | attempted | | |
|---+-----------------------------------+--------+-----------|
| | RS-422/485 termination enabled on | JP8/E | Pins 1 & |
| | port 4 | | 2 closed |
|---+-----------------------------------+--------+-----------|
| | RS-422/485 termination disabled | JP8/E | Pins 2 & |
| | on port 4 | | 3 closed |
|---+-----------------------------------+--------+-----------|
| » | Serial port 1 uses normal | JP11/A | Pins 1 & |
| | interrupt set by JP8 | | 2 closed |
|---+-----------------------------------+--------+-----------|
| | Serial port 1 uses shared | JP11/A | Pins 2 & |
| | interrupt set by JP8 | | 3 closed |
|---+-----------------------------------+--------+-----------|
| » | Serial port 2 uses normal | JP11/B | Pins 1 & |
| | interrupt set by JP13 | | 2 closed |
|---+-----------------------------------+--------+-----------|
| | Serial port 2 uses shared | JP11/B | Pins 2 & |
| | interrupt set by JP8 | | 3 closed |
|---+-----------------------------------+--------+-----------|
| » | Serial port 3 uses normal | JP11/C | Pins 1 & |
| | interrupt set by JP7 | | 2 closed |
|---+-----------------------------------+--------+-----------|
| | Serial port 3 uses shared | JP11/C | Pins 2 & |
| | interrupt set by JP8 | | 3 closed |
|---+-----------------------------------+--------+-----------|
| » | Serial port 4 uses normal | JP11/D | Pins 1 & |
| | interrupt set by JP15 | | 2 closed |
|---+-----------------------------------+--------+-----------|
| | Serial port 4 uses shared | JP11/D | Pins 2 & |
| | interrupt set by JP8 | | 3 closed |
|---+-----------------------------------+--------+-----------|
| » | Interrupt sharing disabled | JP16 | Pins 1 & |
| | | | 2 closed |
|---+-----------------------------------+--------+-----------|
| | Interrupt sharing enabled | JP16 | Pins 2 & |
| | | | 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP1/A | JP1/B |JP1/C |JP1/D |JP3/A |JP3/B |JP3/C |
|---------+-------+-------+------+------+------+------+------|
| RS-232 |Pins 2 |Pins 2 |Pins 2|Pins 2| N/A | N/A |Pins 2|
| | & 3 | & 3 | & 3 | & 3 | | | & 3 |
|---------+-------+-------+------+------+------+------+------|
| RS-422 |Pins 1 |Pins 1 |Pins 1|Pins 1|Pins 2|Pins 2|Pins 1|
| | & 2 | & 2 | & 2 | & 2 | & 3 | & 3 | & 2 |
|---------+-------+-------+------+------+------+------+------|
| RS-485 |Pins 1 |Pins 1 |Pins 1|Pins 1|Pins 1| See |Pins 1|
| | & 2 | & 2 | & 2 | & 2 | & 2 | note | & 2 |
|------------------------------------------------------------|
| Note:For correct settings of JP3/B for RS-485 mode, see|
| its entry in the User Configurable Settings table. |
| |
| Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP2/A | JP2/B |JP2/C |JP2/D |JP4/A |JP4/B |JP4/C |
|---------+-------+-------+------+------+------+------+------|
| RS-232 |Pins 2 |Pins 2 |Pins 2|Pins 2| N/A | N/A |Pins 2|
| | & 3 | & 3 | & 3 | & 3 | | | & 3 |
|---------+-------+-------+------+------+------+------+------|
| RS-422 |Pins 1 |Pins 1 |Pins 1|Pins 1|Pins 2|Pins 2|Pins 1|
| | & 2 | & 2 | & 2 | & 2 | & 3 | & 3 | & 2 |
|---------+-------+-------+------+------+------+------+------|
| RS-485 |Pins 1 |Pins 1 |Pins 1|Pins 1|Pins 1| See |Pins 1|
| | & 2 | & 2 | & 2 | & 2 | & 2 | note | & 2 |
|------------------------------------------------------------|
| Note:For correct settings of JP4/B for RS-485 mode, see|
| its entry in the User Configurable Settings table. |
| |
| Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 3 CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP9/A | JP9/B |JP9/C |JP9/D |JP7/A |JP7/B |JP7/C |
|---------+-------+-------+------+------+------+------+------|
| RS-232 |Pins 2 |Pins 2 |Pins 2|Pins 2| N/A | N/A |Pins 2|
| | & 3 | & 3 | & 3 | & 3 | | | & 3 |
|---------+-------+-------+------+------+------+------+------|
| RS-422 |Pins 1 |Pins 1 |Pins 1|Pins 1|Pins 2|Pins 2|Pins 1|
| | & 2 | & 2 | & 2 | & 2 | & 3 | & 3 | & 2 |
|---------+-------+-------+------+------+------+------+------|
| RS-485 |Pins 1 |Pins 1 |Pins 1|Pins 1|Pins 1| See |Pins 1|
| | & 2 | & 2 | & 2 | & 2 | & 2 | note | & 2 |
|------------------------------------------------------------|
| Note:For correct settings of JP7/B for RS-485 mode, see|
| its entry in the User Configurable Settings table. |
| |
| Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 4 CONFIGURATION |
|------------------------------------------------------------|
|Setting |JP10/A |JP10/B |JP10/C |JP10/D |JP8/A |JP8/B |JP8/C|
|--------+-------+-------+-------+-------+------+------+-----|
| RS-232 |Pins 2 |Pins 2 |Pins 2 |Pins 2 | N/A | N/A |Pins |
| | & 3 | & 3 | & 3 | & 3 | | |2 & 3|
|--------+-------+-------+-------+-------+------+------+-----|
| RS-422 |Pins 1 |Pins 1 |Pins 1 |Pins 1 |Pins 2|Pins 2|Pins |
| | & 2 | & 2 | & 2 | & 2 | & 3 | & 3 |1 & 2|
|--------+-------+-------+-------+-------+------+------+-----|
| RS-485 |Pins 1 |Pins 1 |Pins 1 |Pins 1 |Pins 1| See |Pins |
| | & 2 | & 2 | & 2 | & 2 | & 2 | note |1 & 2|
|------------------------------------------------------------|
| Note:For correct settings of JP8/B for RS-485 mode, see|
| its entry in the User Configurable Settings table. |
| |
| Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
|Setting | JP12/A | JP12/B | JP12/C | JP12/D |JP12/E |JP12/F |
|--------+--------+--------+--------+--------+-------+-------|
|IR/FONT>| Closed | Open | Open | Open | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ3 | Open | Closed | Open | Open | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ4 | Open | Open | Closed | Open | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ5 | Open | Open | Open | Closed | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ6 | Open | Open | Open | Open |Closed | Open |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ7 | Open | Open | Open | Open | Open |Closed |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ10 | Open | Open | Open | Open | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ11 | Open | Open | Open | Open | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ12 | Open | Open | Open | Open | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ14 | Open | Open | Open | Open | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| IRQ15 | Open | Open | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT INTERRUPT SELECTION (CON’T) |
|------------------------------------------------------------|
| Setting | JP12/G | JP12/H | JP12/I | JP12/J | JP12/K |
|----------+---------+---------+---------+---------+---------|
| IR/FONT> | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ3 | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ4 | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ5 | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ6 | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ7 | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ10 | Closed | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ11 | Open | Closed | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ12 | Open | Open | Closed | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ14 | Open | Open | Open | Closed | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ15 | Open | Open | Open | Open | Closed |
|------------------------------------------------------------|
| Note:JP12 sets the interrupt for port 1. The settings |
| for JP13 through JP15 are identical and set the |
| interrupts for ports 2 through 4, respectively. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | SW1/1 | SW1/2 |SW1/3 |SW1/4 |SW1/5 |SW1/6 |SW1/7 |
|---------+-------+-------+------+------+------+------+------|
| 000h | On | On | On | On | On | On | On |
|---------+-------+-------+------+------+------+------+------|
| 008h | Off | On | On | On | On | On | On |
|---------+-------+-------+------+------+------+------+------|
| 010h | On | Off | On | On | On | On | On |
|---------+-------+-------+------+------+------+------+------|
| 018h | Off | Off | On | On | On | On | On |
|---------+-------+-------+------+------+------+------+------|
| 020h | On | On | Off | On | On | On | On |
|---------+-------+-------+------+------+------+------+------|
| 2E8h | Off | On | Off | Off | Off | On | Off |
| (COM4:) | | | | | | | |
|---------+-------+-------+------+------+------+------+------|
| 2F8h | Off | Off | Off | Off | Off | On | Off |
| (COM2:) | | | | | | | |
|---------+-------+-------+------+------+------+------+------|
| 3D8h | Off | Off | On | Off | Off | Off | Off |
|---------+-------+-------+------+------+------+------+------|
| 3E0h | On | On | Off | Off | Off | Off | Off |
|---------+-------+-------+------+------+------+------+------|
| 3E8h | Off | On | Off | Off | Off | Off | Off |
| (COM3:) | | | | | | | |
|---------+-------+-------+------+------+------+------+------|
| 3F0h | On | Off | Off | Off | Off | Off | Off |
|---------+-------+-------+------+------+------+------+------|
| 3F8h | Off | Off | Off | Off | Off | Off | Off |
| (COM1:) | | | | | | | |
|------------------------------------------------------------|
| Note: A total of 128 base address settings are |
| available. The switches are a binary representation of |
| the decimal memory addresses. SW1/7 is the Most |
| Significant Bit and switch SW1/1 is the Least |
| Significant Bit. The switches have the following |
| decimal values: SW1/7=512, SW1/6=256, SW1/5=128, |
| SW1/4=64, SW1/3=32, SW1/2=16, SW1/1=8. Turn off the |
| switches and add the values of the switches that are |
| off to obtain the correct memory address. (Off=1, On=0)|
| |
| SW1 sets the address for port 1. The settings for SW2 |
| through SW4 are identical and set the addresses for |
| ports 2 through 4, respectively. |
+------------------------------------------------------------+