SEALEVEL SYSTEMS, INC. ULTRA COMM+2.PCI Card Type Serial card Chip Set Unidentified Maximum Onboard Memory Unidentified I/O Options Serial ports (2) Hard Drives supported None Floppy drives supported None Data Bus 32-bit PCI Card Size Full-length, full-height [Image] CONNECTIONS Function Label Function Label Serial Port 1 J2 Serial Port 2 J3 PORT 1 TYPE SELECTION Type E1 E2 » RS-232 Open Closed RS-422/485 Closed Open PORT 2 TYPE SELECTION Type E3 E4 » RS-232 Open Closed RS-422/485 Closed Open PORT 1 TERMINATION SELECTION Termination Label Position Add 1K ohm pull-down resistor J1A Pins 1 & 2 closed (RS-422/485) Remove 1K ohm pull-down resistor J1A Pins 1 & 2 open (RS-422/485) Add 1K ohm pull-up resistor J1A Pins 3 & 4 closed (RS-422/485) Remove 1K ohm pull-up resistor J1A Pins 3 & 4 open (RS-422/485) Add 120 ohm termination J1A Pins 5 & 6 closed Remove 120 ohm termination J1A Pins 5 & 6 open TX+ connected to RX+ for two wire J1A Pins 7 & 8 closed operation (RS-485) TX- connected to RX- for two wire J1A Pins 9 & 10 closed operation (RS-485) PORT 2 TERMINATION SELECTION Termination Label Position Add 1K ohm pull-down resistor J2A Pins 1 & 2 closed (RS-422/485) Remove 1K ohm pull-down resistor J2A Pins 1 & 2 open (RS-422/485) Add 1K ohm pull-up resistor J2A Pins 3 & 4 closed (RS-422/485) Remove 1K ohm pull-up resistor J2A Pins 3 & 4 open (RS-422/485) Add 120 ohm termination J2A Pins 5 & 6 closed Remove 120 ohm termination J2A Pins 5 & 6 open TX+ connected to RX+ for two wire J2A Pins 7 & 8 closed operation (RS-485) TX- connected to RX- for two wire J2A Pins 9 & 10 closed operation (RS-485) PORT 1 ECHO MODE SELECTION Mode Label Position RS-422 J1B Open RTS enabled with no echo (RS-485) J1B Pins 3 & 4, 5 & 6 closed RTS enabled with echo (RS-485) J1B Pins 3 & 4 closed Auto enabled with no echo (RS-485) J1B Pins 1 & 2, 5 & 6 closed Auto enabled with echo (RS-485) J1B Pins 1 & 2 closed PORT 2 ECHOL MODE SELECTION Mode Label Position RS-422 J2B Open RTS enabled with no echo (RS-485) J2B Pins 3 & 4, 5 & 6 closed RTS enabled with echo (RS-485) J2B Pins 3 & 4 closed Auto enabled with no echo (RS-485) J2B Pins 1 & 2, 5 & 6 closed Auto enabled with echo (RS-485) J2B Pins 1 & 2 closed PORT 1 CLOCK MODE SELECTION DIVIDE J1C 1 Pins 1 & 2 closed 2 Pins 3 & 4 closed 4 Pins 5 & 6 closed PORT 2 CLOCK MODE SELECTION DIVIDE J2C 1 Pins 1 & 2 closed 2 Pins 3 & 4 closed 4 Pins 5 & 6 closed