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 |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
RS-232, RS-422, or RS-485 serial port 1 |
P1 |
RS-232, RS-422, or RS-485 serial port 3 |
P3 |
|
RS-232, RS-422, or RS-485 serial port 2 |
P2 |
RS-232, RS-422, or RS-485 serial port 4 |
P4 |
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
| » |
RS-485 receiver disabled when transmitting on port 1 |
JP3/B |
Pins 1 & 2 closed |
|
RS-485 receiver always enabled on port 1 |
JP3/B |
Pins 2 & 3 closed | |
|
RS-485 transmitter for port 1 enabled on high RTS only |
JP3/D |
Pins 2 & 3 closed | |
|
RS-485 transmitter for port 1 enabled whenever transmission is attempted |
JP3/D |
Pins 1 & 2 closed | |
|
RS-422/485 termination enabled on port 1 |
JP3/E |
Pins 1 & 2 closed | |
|
RS-422/485 termination disabled on port 1 |
JP3/E |
Pins 2 & 3 closed | |
| » |
RS-485 receiver disabled when transmitting on port 2 |
JP4/B |
Pins 1 & 2 closed |
|
RS-485 receiver always enabled on port 2 |
JP4/B |
Pins 2 & 3 closed | |
|
RS-485 transmitter for port 2 enabled on high RTS only |
JP4/D |
Pins 2 & 3 closed | |
|
RS-485 transmitter for port 2 enabled whenever transmission is attempted |
JP4/D |
Pins 1 & 2 closed | |
|
RS-422/485 termination enabled on port 2 |
JP4/E |
Pins 1 & 2 closed | |
|
RS-422/485 termination disabled on port 2 |
JP4/E |
Pins 2 & 3 closed | |
| » |
Serial port clock speed normal |
JP5 |
Pins 1 & 2 closed |
|
Serial port clock speed multiplied by 4 |
JP5 |
Pins 2 & 3 closed | |
|
Status register enabled |
JP6 |
Pins 1 & 2 closed | |
|
Status register disabled |
JP6 |
Pins 2 & 3 closed | |
| » |
RS-485 receiver disabled when transmitting on port 3 |
JP7/B |
Pins 1 & 2 closed |
|
RS-485 receiver always enabled on port 3 |
JP7/B |
Pins 2 & 3 closed | |
|
USER CONFIGURABLE SETTINGS (CON’T) | |||
|
Setting |
Label |
Position | |
|
RS-485 transmitter for port 3 enabled on high RTS only |
JP7/D |
Pins 2 & 3 closed | |
|
RS-485 transmitter for port 3 enabled whenever transmission is attempted |
JP7/D |
Pins 1 & 2 closed | |
|
RS-422/485 termination enabled on port 3 |
JP7/E |
Pins 1 & 2 closed | |
|
RS-422/485 termination disabled on port 3 |
JP7/E |
Pins 2 & 3 closed | |
| » |
RS-485 receiver disabled when transmitting on port 4 |
JP8/B |
Pins 1 & 2 closed |
|
RS-485 receiver always enabled on port 4 |
JP8/B |
Pins 2 & 3 closed | |
|
RS-485 transmitter for port 4 enabled on high RTS only |
JP8/D |
Pins 2 & 3 closed | |
|
RS-485 transmitter for port 4 enabled whenever transmission is attempted |
JP8/D |
Pins 1 & 2 closed | |
|
RS-422/485 termination enabled on port 4 |
JP8/E |
Pins 1 & 2 closed | |
|
RS-422/485 termination disabled on port 4 |
JP8/E |
Pins 2 & 3 closed | |
| » |
Serial port 1 uses normal interrupt set by JP8 |
JP11/A |
Pins 1 & 2 closed |
|
Serial port 1 uses shared interrupt set by JP8 |
JP11/A |
Pins 2 & 3 closed | |
| » |
Serial port 2 uses normal interrupt set by JP13 |
JP11/B |
Pins 1 & 2 closed |
|
Serial port 2 uses shared interrupt set by JP8 |
JP11/B |
Pins 2 & 3 closed | |
| » |
Serial port 3 uses normal interrupt set by JP7 |
JP11/C |
Pins 1 & 2 closed |
|
Serial port 3 uses shared interrupt set by JP8 |
JP11/C |
Pins 2 & 3 closed | |
| » |
Serial port 4 uses normal interrupt set by JP15 |
JP11/D |
Pins 1 & 2 closed |
|
Serial port 4 uses shared interrupt set by JP8 |
JP11/D |
Pins 2 & 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 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
N/A |
N/A |
Pins 2 & 3 |
|
RS-422 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
|
RS-485 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
See note |
Pins 1 & 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 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
N/A |
N/A |
Pins 2 & 3 |
|
RS-422 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
|
RS-485 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
See note |
Pins 1 & 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 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
N/A |
N/A |
Pins 2 & 3 |
|
RS-422 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
|
RS-485 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
See note |
Pins 1 & 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 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
N/A |
N/A |
Pins 2 & 3 |
|
RS-422 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 1 & 2 |
|
RS-485 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
See note |
Pins 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 (COM4:) |
Off |
On |
Off |
Off |
Off |
On |
Off |
|
2F8h (COM2:) |
Off |
Off |
Off |
Off |
Off |
On |
Off |
|
3D8h |
Off |
Off |
On |
Off |
Off |
Off |
Off |
|
3E0h |
On |
On |
Off |
Off |
Off |
Off |
Off |
|
3E8h (COM3:) |
Off |
On |
Off |
Off |
Off |
Off |
Off |
|
3F0h |
On |
Off |
Off |
Off |
Off |
Off |
Off |
|
3F8h (COM1:) |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
|
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. | |||||||