COMPUTER MODULES, INC.
BLASTRONIX 232/422/485
|
Card Type |
Serial |
|
Chipset |
16C552 |
|
I/O Options |
Serial ports (2) |
|
Data Bus |
16-bit ISA |
|
Card Size |
Full height, half length |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
RS-232, RS-422, or RS-485 serial port 1 |
CN1 |
RS-232, RS-422, or RS-485 serial port 2 |
CN2 |
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
|
Serial line is not terminated |
RN1 |
Not installed | |
|
Serial line is terminated |
RN1 |
Installed | |
| » |
Serial port 1 enabled |
SW1/1 |
On |
|
Serial port 1 disabled |
SW1/1 |
Off | |
| » |
Serial port 2 enabled |
SW2/1 |
On |
|
Serial port 2 disabled |
SW2/1 |
Off | |
| » |
Status register enabled |
SW3/1 |
On |
|
Status register disabled |
SW3/1 |
Off | |
|
SERIAL PORT INTERRUPT SELECTION | ||||||
|
Setting |
J2/A |
J2/B |
J2/C |
J2/D |
J2/E |
J2/F |
|
2/9 |
Open |
Open |
Open |
Open |
Open |
Closed |
|
3 |
Closed |
Open |
Open |
Open |
Open |
Open |
|
4 |
Open |
Closed |
Open |
Open |
Open |
Open |
|
5 |
Open |
Open |
Closed |
Open |
Open |
Open |
|
6 |
Open |
Open |
Open |
Closed |
Open |
Open |
|
7 |
Open |
Open |
Open |
Open |
Closed |
Open |
|
10 |
Open |
Open |
Open |
Open |
Open |
Open |
|
11 |
Open |
Open |
Open |
Open |
Open |
Open |
|
12 |
Open |
Open |
Open |
Open |
Open |
Open |
|
14 |
Open |
Open |
Open |
Open |
Open |
Open |
|
15 |
Open |
Open |
Open |
Open |
Open |
Open |
|
SERIAL PORT INTERRUPT SELECTION (CON'T) | |||||
|
Setting |
J2/G |
J2/H |
J2/I |
J2/J |
J2/K |
|
2/9 |
Open |
Open |
Open |
Open |
Open |
|
3 |
Open |
Open |
Open |
Open |
Open |
|
4 |
Open |
Open |
Open |
Open |
Open |
|
5 |
Open |
Open |
Open |
Open |
Open |
|
6 |
Open |
Open |
Open |
Open |
Open |
|
7 |
Open |
Open |
Open |
Open |
Open |
|
10 |
Closed |
Open |
Open |
Open |
Open |
|
11 |
Open |
Closed |
Open |
Open |
Open |
|
12 |
Open |
Open |
Closed |
Open |
Open |
|
14 |
Open |
Open |
Open |
Closed |
Open |
|
15 |
Open |
Open |
Open |
Open |
Closed |
|
Note:The settings for jumper J3 are identical to those for J2. J2 sets the interrupt for port 1, and J3 sets the interrupt for port 2. | |||||
|
SHARED INTERRUPT SELECTION | ||||||
|
Setting |
J1/A |
J1/B |
J1/C |
J1/D |
J1/E |
J1/F |
|
2/9 |
Open |
Open |
Open |
Open |
Open |
Closed |
|
3 |
Closed |
Open |
Open |
Open |
Open |
Open |
|
4 |
Open |
Closed |
Open |
Open |
Open |
Open |
|
5 |
Open |
Open |
Closed |
Open |
Open |
Open |
|
6 |
Open |
Open |
Open |
Closed |
Open |
Open |
|
7 |
Open |
Open |
Open |
Open |
Closed |
Open |
|
10 |
Open |
Open |
Open |
Open |
Open |
Open |
|
11 |
Open |
Open |
Open |
Open |
Open |
Open |
|
12 |
Open |
Open |
Open |
Open |
Open |
Open |
|
14 |
Open |
Open |
Open |
Open |
Open |
Open |
|
15 |
Open |
Open |
Open |
Open |
Open |
Open |
|
SHARED INTERRUPT SELECTION (CON'T) | |||||
|
Setting |
J1/G |
J1/H |
J1/I |
J1/J |
J1/K |
|
2/9 |
Open |
Open |
Open |
Open |
Open |
|
3 |
Open |
Open |
Open |
Open |
Open |
|
4 |
Open |
Open |
Open |
Open |
Open |
|
5 |
Open |
Open |
Open |
Open |
Open |
|
6 |
Open |
Open |
Open |
Open |
Open |
|
7 |
Open |
Open |
Open |
Open |
Open |
|
10 |
Closed |
Open |
Open |
Open |
Open |
|
11 |
Open |
Closed |
Open |
Open |
Open |
|
12 |
Open |
Open |
Closed |
Open |
Open |
|
14 |
Open |
Open |
Open |
Closed |
Open |
|
15 |
Open |
Open |
Open |
Open |
Closed |
|
Note:To use interrupt sharing, both ports should be set to the same interrupt as is set with this table. | |||||
|
STATUS REGISTER ADDRESS SELECTION | ||||||||
|
Setting |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 | |
|
000h |
Off |
Off |
Off |
Off |
Off |
Off |
Off | |
|
008h |
On |
Off |
Off |
Off |
Off |
Off |
Off | |
|
010h |
Off |
On |
Off |
Off |
Off |
Off |
Off | |
|
018h |
On |
On |
Off |
Off |
Off |
Off |
Off | |
|
020h |
Off |
Off |
On |
Off |
Off |
Off |
Off | |
| » |
300h |
Off |
Off |
Off |
Off |
Off |
On |
On |
|
3D8h |
On |
On |
Off |
On |
On |
On |
On | |
|
3E0h |
Off |
Off |
On |
On |
On |
On |
On | |
|
3E8h |
On |
Off |
On |
On |
On |
On |
On | |
|
3F0h |
Off |
On |
On |
On |
On |
On |
On | |
|
3F8h |
On |
On |
On |
On |
On |
On |
On | |
|
Note: A total of 128 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/8 is the Most Significant Bit and switch SW1/2 is the Least Significant Bit. The switches have the following decimal values: SW1/8=512, SW1/7=256, SW1/6=128, SW1/5=64, SW1/4=32, SW1/3=16, SW1/2=8. Turn on the switches and add the values of the switches that are on to obtain the correct memory address. (Off=0, On=1) | ||||||||
|
SERIAL PORT 1 ADDRESS SELECTION | ||||||||
|
Setting |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
SW2/6 |
SW2/7 |
SW2/8 | |
|
000h |
Off |
Off |
Off |
Off |
Off |
Off |
Off | |
|
008h |
On |
Off |
Off |
Off |
Off |
Off |
Off | |
|
010h |
Off |
On |
Off |
Off |
Off |
Off |
Off | |
|
018h |
On |
On |
Off |
Off |
Off |
Off |
Off | |
|
020h |
Off |
Off |
On |
Off |
Off |
Off |
Off | |
|
2E8h (COM4:) |
On |
Off |
On |
On |
On |
Off |
On | |
|
2F8h (COM2:) |
On |
On |
On |
On |
On |
Off |
On | |
|
3D8h |
On |
On |
Off |
On |
On |
On |
On | |
|
3E0h |
Off |
Off |
On |
On |
On |
On |
On | |
|
3E8h (COM3:) |
On |
Off |
On |
On |
On |
On |
On | |
|
3F0h |
Off |
On |
On |
On |
On |
On |
On | |
| » |
3F8h (COM1:) |
On |
On |
On |
On |
On |
On |
On |
|
Note: A total of 128 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW2/8 is the Most Significant Bit and switch SW2/2 is the Least Significant Bit. The switches have the following decimal values: SW2/8=512, SW2/7=256, SW2/6=128, SW2/5=64, SW2/4=32, SW2/3=16, SW2/2=8. Turn on the switches and add the values of the switches that are on to obtain the correct memory address. (Off=0, On=1) | ||||||||
|
SERIAL PORT 2 ADDRESS SELECTION | ||||||||
|
Setting |
SW3/2 |
SW3/3 |
SW3/4 |
SW3/5 |
SW3/6 |
SW3/7 |
SW3/8 | |
|
000h |
Off |
Off |
Off |
Off |
Off |
Off |
Off | |
|
008h |
On |
Off |
Off |
Off |
Off |
Off |
Off | |
|
010h |
Off |
On |
Off |
Off |
Off |
Off |
Off | |
|
018h |
On |
On |
Off |
Off |
Off |
Off |
Off | |
|
020h |
Off |
Off |
On |
Off |
Off |
Off |
Off | |
|
2E8h (COM4:) |
On |
Off |
On |
On |
On |
Off |
On | |
| » |
2F8h (COM2:) |
On |
On |
On |
On |
On |
Off |
On |
|
3D8h |
On |
On |
Off |
On |
On |
On |
On | |
|
3E0h |
Off |
Off |
On |
On |
On |
On |
On | |
|
3E8h (COM3:) |
On |
Off |
On |
On |
On |
On |
On | |
|
3F0h |
Off |
On |
On |
On |
On |
On |
On | |
|
3F8h (COM1:) |
On |
On |
On |
On |
On |
On |
On | |
|
Note: A total of 128 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW3/8 is the Most Significant Bit and switch SW3/2 is the Least Significant Bit. The switches have the following decimal values: SW3/8=512, SW3/7=256, SW3/6=128, SW3/5=64, SW3/4=32, SW3/3=16, SW3/2=8. Turn on the switches and add the values of the switches that are on to obtain the correct memory address. (Off=0, On=1) | ||||||||
|
SERIAL PORT 1 TYPE SELECTION | ||||||||
|
Setting |
JP4/G |
JP4/H |
SW4/1 |
SW4/2 |
SW4/3 |
SW4/4 |
SW4/5 |
SW4/6 |
|
RS-232 |
Open |
Open |
On |
On |
On |
On |
On |
On |
|
RS-422 |
Open |
Open |
Off |
Off |
Off |
Off |
Off |
Off |
|
RS-485 |
Closed |
Closed |
Off |
Off |
Off |
Off |
Off |
Off |
|
SERIAL PORT 1 TYPE SELECTION (CON'T) | |||||||||
|
Setting |
SW4/7 |
SW4/8 |
SW4/9 |
SW4/10 |
SW4/11 |
SW4/12 |
SW5/1 |
SW5/2 |
SW5/3 |
|
RS-232 |
On |
On |
On |
On |
On |
On |
On |
On |
On |
|
RS-422 |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
|
RS-485 |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
|
SERIAL PORT 1 TYPE SELECTION (CON'T) | |||||||||
|
Setting |
SW5/4 |
SW5/5 |
SW5/6 |
SW5/7 |
SW5/8 |
SW5/9 |
SW5/10 |
SW5/11 |
SW5/12 |
|
RS-232 |
On |
On |
On |
On |
On |
On |
On |
On |
On |
|
RS-422 |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
|
RS-485 |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
|
SERIAL PORT 2 TYPE SELECTION | ||||||||
|
Setting |
JP5/G |
JP5/H |
SW6/1 |
SW6/2 |
SW6/3 |
SW6/4 |
SW6/5 |
SW6/6 |
|
RS-232 |
Open |
Open |
On |
On |
On |
On |
On |
On |
|
RS-422 |
Open |
Open |
Off |
Off |
Off |
Off |
Off |
Off |
|
RS-485 |
Closed |
Closed |
Off |
Off |
Off |
Off |
Off |
Off |
|
SERIAL PORT 2 TYPE SELECTION (CON'T) | |||||||||
|
Setting |
SW6/7 |
SW6/8 |
SW6/9 |
SW6/10 |
SW6/11 |
SW6/12 |
SW7/1 |
SW7/2 |
SW7/3 |
|
RS-232 |
On |
On |
On |
On |
On |
On |
On |
On |
On |
|
RS-422 |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
|
RS-485 |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
|
SERIAL PORT 2 TYPE SELECTION (CON'T) | |||||||||
|
Setting |
SW7/4 |
SW7/5 |
SW7/6 |
SW7/7 |
SW7/8 |
SW7/9 |
SW7/10 |
SW7/11 |
SW7/12 |
|
RS-232 |
On |
On |
On |
On |
On |
On |
On |
On |
On |
|
RS-422 |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
|
RS-485 |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
|
SERIAL PORT 1 CONFIGURATION | |
|
Setting |
J6 |
|
DTE |
Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 & 12, 13 & 14 closed |
|
DCE |
Pins 1 & 3, 2 & 4, 5 & 7, 6 & 8, 9 & 11, 10 & 12 closed |
|
SERIAL PORT 2 CONFIGURATION | |
|
Setting |
J7 |
|
DTE |
Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 & 12, 13 & 14 closed |
|
DCE |
Pins 1 & 3, 2 & 4, 5 & 7, 6 & 8, 9 & 11, 10 & 12 closed |
|
PORT 1 RS-422/485 DRIVER CONFIGURATION | |||||||||
|
Setting |
J4/A |
J4/B |
J4/C |
J4/D |
J4/E |
J4/F |
J4/I |
J4/J | |
| » |
Transmit and receive drivers always enabled |
Closed |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
|
Transmit enabled, receive disabled on high RTS |
Open |
Open |
Closed |
Closed |
Open |
Open |
Open |
Open | |
|
Transmit and receive drivers controlled by software |
Open |
Open |
Open |
Open |
Closed |
Closed |
Open |
Open | |
|
Transmit enabled, receive disabled when port attempts to transmit |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Closed | |
|
Note:The drivers may not be always enabled in RS-485 mode. | |||||||||
|
PORT 2 RS-422/485 DRIVER CONFIGURATION | |||||||||
|
Setting |
J5/A |
J5/B |
J5/C |
J5/D |
J5/E |
J5/F |
J5/I |
J5/J | |
| » |
Transmit and receive drivers always enabled |
Closed |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
|
Transmit enabled, receive disabled on high RTS |
Open |
Open |
Closed |
Closed |
Open |
Open |
Open |
Open | |
|
Transmit and receive drivers controlled by software |
Open |
Open |
Open |
Open |
Closed |
Closed |
Open |
Open | |
|
Transmit enabled, receive disabled when port attempts to transmit |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Closed | |
|
Note:The drivers may not be always enabled in RS-485 mode. | |||||||||