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 | 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. | +------------------------------------------------------------+