DIGI INTERNATIONAL, INC. PC IMAC MCA Card Type ISDN CSU/DSU Chip Set Unidentified ISDN Transfer Rate 64Kbps/128Kbps Data Bus MCA ISDN Protocol 5ESS, DMS-100, National [Image] CONNECTIONS Function Label Function Label Line out CN1 IDP module headers CN3 & CN4 Line in CN2 USER CONFIGURABLE SETTINGS Setting Label Position » Factory configured - do not alter SW1/4 On ISDN BUS TERMINATION Setting J1 J2 » Terminated Pins 1 & 2 closed Pins 1 & 2 closed Not terminated Pins 2 & 3 closed Pins 2 & 3 closed