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. |