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 [Image] CONNECTIONS Function Label Function Label RS-232, RS-422, or CN1 RS-232, RS-422, or CN2 RS-485 serial port 1 RS-485 serial port 2 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 On Off On On On Off On (COM4:) 2F8h On On On On On Off On (COM2:) 3D8h On On Off On On On On 3E0h Off Off On On On On On 3E8h On Off On On On On On (COM3:) 3F0h Off On On On On On On » 3F8h On On On On On On On (COM1:) 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 On Off On On On Off On (COM4:) » 2F8h On On On On On Off On (COM2:) 3D8h On On Off On On On On 3E0h Off Off On On On On On 3E8h On Off On On On On On (COM3:) 3F0h Off On On On On On On 3F8h On On On On On On On (COM1:) 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 Closed Closed Open Open Open Open Open Open and receive drivers always enabled Transmit Open Open Closed Closed Open Open Open Open enabled, receive disabled on high RTS Transmit Open Open Open Open Closed Closed Open Open and receive drivers controlled by software Transmit Open Open Open Open Open Open Closed Closed enabled, receive disabled when port attempts to transmit 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 Closed Closed Open Open Open Open Open Open and receive drivers always enabled Transmit Open Open Closed Closed Open Open Open Open enabled, receive disabled on high RTS Transmit Open Open Open Open Closed Closed Open Open and receive drivers controlled by software Transmit Open Open Open Open Open Open Closed Closed enabled, receive disabled when port attempts to transmit Note:The drivers may not be always enabled in RS-485 mode.