SEALEVEL SYSTEMS, INC. COMM+2 Card Type Serial card Chip Set Unidentified Maximum Onboard Memory Unidentified I/O Options Serial ports (2 RS-232, RS-422 or RS-485) Hard Drives supported None Floppy drives supported None Data Bus 8-bit ISA Card Size Half-length, full-height [Image] CONNECTIONS Function Label Function Label Serial Port 1 J1 Serial Port 2 J2 USER CONFIGURABLE SETTINGS Function Label Position Port 1 RS-232 receive data E1/A Pins 1 & 2 closed Port 1 RS-422 receive data E1/A Pins 2 & 3 closed Port 1 DSR enabled E1/C Pins 1 & 2 closed Port 1 DSR active E1/C Pins 2 & 3 closed Port 1 DCD enabled E1/D Pins 1 & 2 closed Port 1 DCD active E1/D Pins 2 & 3 closed Port 1 RI enabled E1/E Pins 1 & 2 closed Port 1 RI active E1/E Pins 2 & 3 closed Port 1 always enabled E1/G Pins 1 & 2 closed (RS-485) Port 1 enabled by RTS E1/G Pins 2 & 3 closed (RS-485) Port 1 100 ohm high impedence E1/H Pins 1 & 2 closed ground enabled Port 1 direct ground enabled E1/H Pins 2 & 3 closed Port 2 RS-232 receive data E3/A Pins 1 & 2 closed Port 2 RS-422 receive data E3/A Pins 2 & 3 closed Port 2 DSR enabled E3/C Pins 1 & 2 closed Port 2 DSR active E3/C Pins 2 & 3 closed Port 2 DCD enabled E3/D Pins 1 & 2 closed Port 2 DCD active E3/D Pins 2 & 3 closed Port 2 RI enabled E3/E Pins 1 & 2 closed Port 2 RI active E3/E Pins 2 & 3 closed Port 2 always enabled E3/G Pins 1 & 2 closed (RS-485) Port 2 enabled by RTS E3/G Pins 2 & 3 closed (RS-485) Port 2 100 ohm high impedence E3/H Pins 1 & 2 closed ground enabled Port 2 direct ground enabled E3/H Pins 2 & 3 closed » Port 1 enabled SW1/8 On Port 1 disabled SW1/8 Off » Port 2 enabled SW2/8 On Port 2 disabled SW2/8 Off BASE I/O ADDRESS SELECTION PORT 1 Setting SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 SW1/7 280h Off On Off On On On On 2A0h Off On Off On Off On On 2E8h Off On Off Off Off On Off 2F8h Off On Off Off Off Off Off 300h Off Off On On On On On 328h Off Off On On Off On Off 3E8h Off Off Off Off Off On Off » 3F8h Off Off Off Off Off Off Off BASE I/O ADDRESS SELECTION PORT 2 Setting SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 SW1/7 280h Off On Off On On On On 2A0h Off On Off On Off On On 2E8h Off On Off Off Off On Off » 2F8h Off On Off Off Off Off Off 300h Off Off On On On On On 328h Off Off On On Off On Off 3E8h Off Off Off Off Off On Off 3F8h Off Off Off Off Off Off Off SERIAL PORT 1 INTERRUPT SELECTION IRQ E6/A E6/B E6/C E6/D 2/9 Closed Open Open Open 3 Open Closed Open Open » 4 Open Open Closed Open 5 Open Open Open Closed SERIAL PORT 2 INTERRUPT SELECTION IRQ E6/E E6/F E6/G E6/H 2/9 Closed Open Open Open » 3 Open Closed Open Open 4 Open Open Closed Open 5 Open Open Open Closed SERIAL INTERRUPT MODE SELECTION PORT 1 IRQ E5 » Normal Pins 4 & 5 closed Shared Interrupt mode Pins 5 & 6 closed SERIAL INTERRUPT MODE SELECTION PORT 2 IRQ E5 » Normal Pins 1 & 2 closed Shared Interrupt mode Pins 2 & 3 closed PORT 1 TYPE SELECTION Mode E2/A-H RS-232 enabled Pins 1 & 2 closed RS-422 enabled Pins 2 & 3 closed PORT 2 TYPE SELECTION Mode E4/A-H RS-232 enabled Pins 1 & 2 closed RS-422 enabled Pins 2 & 3 closed CTS MODE SELECTION PORT 1 Mode E1/B E1/F CTS enabled Pins 1 & 2 closed Pins 1 & 2 closed CTS active Open Pins 2 & 3 closed CTS MODE SELECTION PORT 2 Mode E3/B E3/F CTS enabled Pins 1 & 2 closed Pins 1 & 2 closed CTS active Open Pins 2 & 3 closed