3COM CORPORATION SPORTSTER ISDN 128K (S/T-INTERFACE) Card Type ISDN TA Chip Set Unidentified Transfer Rate 64Kbps x 2 Data Bus 16-bit ISA ISDN Protocol Unidentified Switch Type 5ESS, DMS-100, NI-1 [Image] CONNECTIONS Function Label Function Label ISDN S/T interface out CN1 Handset in CN2 BASE I/O ADDRESS Setting JP1 JP2 » 300h Open Open 320h Closed Open 340h Open Closed ISDN LINE TERMINATION Setting JP4 JP5 » Terminated Closed Closed Not terminated Open Open MISCELLANEOUS TECHNICAL NOTE The function of the LED is unidentified.