SEALEVEL SYSTEMS, INC. ULTRA SIO (P/N 3089), ULTRA SIO (P/N3189) Card Type Serial card Chip Set Unidentified Maximum Onboard Memory Unidentified I/O Options Serial port (2) Hard Drives supported None Floppy drives supported None Data Bus 16-bit ISA Card Size Full-length, full-height [Image] CONNECTIONS Function Label Function Label Serial Port 1 P3 Serial Port 2 P4 USER CONFIGURABLE SETTINGS Function Label Position Port 1 RTS enabled (RS-485) E8 Pins 2 & 4 closed Port 1 auto enabled (RS-485) E8 Pins 1 & 3 closed Port 2 RTS enabled (RS-485) E10 Pins 2 & 4 closed Port 2 auto enabled (RS-485) E10 Pins 1 & 3 closed BASE I/O ADDRESS SELECTION PORT 1 Setting SW1/1 SW1/2 SW1/3 SW1/4 2A0h Off On On On 2E8h On Off Off On 2F8h On On Off On 300h Off On Off On 328h Off Off On On 3E8h On Off On On » 3F8h On On On On Disabled Off Off Off Off BASE I/O ADDRESS SELECTION PORT 2 Setting SW2/1 SW2/2 SW2/3 SW2/4 2A0h Off On On On 2E8h On Off Off On » 2F8h On On Off On 300h Off On Off On 328h Off Off On On 3E8h On Off On On 3F8h On On On On Disabled Off Off Off Off SERIAL PORT 1 INTERRUPT SELECTION IRQ E11/A E11/B E11/C E11/D E11/E 2/9 Closed Open Open Open Open 3 Open Closed Open Open Open » 4 Open Open Closed Open Open 5 Open Open Open Closed Open 6 Open Open Open Open Closed 7 Open Open Open Open Open 10 Open Open Open Open Open 11 Open Open Open Open Open 12 Open Open Open Open Open 14 Open Open Open Open Open 15 Open Open Open Open Open SERIAL PORT 1 INTERRUPT SELECTION (CON’T) IRQ E11/F E11/G E11/H E11/I E11/J E11/K 2/9 Open Open Open Open Open Open 3 Open Open Open Open Open Open » 4 Open Open Open Open Open Open 5 Open Open Open Open Open Open 6 Open Open Open Open Open Open 7 Closed Open Open Open Open Open 10 Open Closed Open Open Open Open 11 Open Open Closed Open Open Open 12 Open Open Open Closed Open Open 14 Open Open Open Open Closed Open 15 Open Open Open Open Open Closed SERIAL PORT 2 INTERRUPT SELECTION IRQ E12/A E12/B E12/C E12/D E12/E 2/9 Closed Open Open Open Open » 3 Open Closed Open Open Open 4 Open Open Closed Open Open 5 Open Open Open Closed Open 6 Open Open Open Open Closed 7 Open Open Open Open Open 10 Open Open Open Open Open 11 Open Open Open Open Open 12 Open Open Open Open Open 14 Open Open Open Open Open 15 Open Open Open Open Open SERIAL PORT 2 INTERRUPT SELECTION (CON’T) IRQ E12/F E12/G E12/H E12/I E12/J E12/K 2/9 Open Open Open Open Open Open » 3 Open Open Open Open Open Open 4 Open Open Open Open Open Open 5 Open Open Open Open Open Open 6 Open Open Open Open Open Open 7 Closed Open Open Open Open Open 10 Open Closed Open Open Open Open 11 Open Open Closed Open Open Open 12 Open Open Open Closed Open Open 14 Open Open Open Open Closed Open 15 Open Open Open Open Open Closed SERIAL INTERRUPT MODE SELECTION PORT 1 IRQ E5 » Normal interrupt mode Pins 1 & 2 closed Shared interrupt mode without Pins 2 & 3 closed resistor Shared interrupt mode with Pins 3 & 4 closed pull-down resistor SERIAL INTERRUPT MODE SELECTION PORT 2 IRQ E6 » Normal interrupt mode Pins 1 & 2 closed Shared interrupt mode without Pins 2 & 3 closed resistor Shared interrupt mode with Pins 3 & 4 closed pull-down resistor PORT 1 SELECTION Function Label Position Port 1 echo enabled (RS-485 2 wire mode) E3 Pins 1 & 2 closed Port 1 echo disabled (RS-485 2 wire mode) E3 Pins 3 & 4 closed Port 1 RS-422/485 always enabled E3 Pins 5 & 6 closed Port 1 RS-422/485 enabled by RTS E3 Pins 7 & 8 closed PORT 2 SELECTION Function Label Position Port 2 echo enabled (RS-485 2 wire mode) E9 Pins 1 & 2 closed Port 2 echo disabled (RS-485 2 wire mode) E9 Pins 3 & 4 closed Port 2 RS-422/485 always enabled E9 Pins 5 & 6 closed Port 2 RS-422/485 enabled by RTS E9 Pins 7 & 8 closed PORT 1 TERMINATION SELECTION Function Label Position Port 1 TX+ & RX+ connected for two wire E1 Pins 1 & 2 closed operation (RS-485) Port 1 add 120 ohm termination E1 Pins 3 & 4 closed Port 1 TX- & RX- connected for two wire E1 Pins 5 & 6 closed operation (RS-485) Port 1 1K ohm pull-down resistor enabled E1 Pins 7 & 8 closed (RS-422/485) Port 1 1K ohm pull-up resistor enabled E1 Pins 9 & 10 (RS-422/485) closed PORT 2 TERMINATION SELECTION Function Label Position Port 2 TX+ & RX+ connected for two wire E4 Pins 1 & 2 closed operation (RS-485) Port 2 add 120 ohm termination E4 Pins 3 & 4 closed Port 2 TX- & RX- connected for two wire E4 Pins 5 & 6 closed operation (RS-485) Port 2 1K ohm pull-down resistor enabled E4 Pins 7 & 8 closed (RS-422/485) Port 2 1K ohm pull-up resistor enabled E4 Pins 9 & 10 (RS-422/485) closed MISCELLANEOUS TECHNICAL NOTES The Ultra SIO comes in both isolated ground (P/N 3189) and non-isolated ground (P/N 3089) types. The settings are the same for both.