PATTON ELECTRONICS COMPANY 2016 Card Type Interface Converter Chip Set Unidentified I/O Options 15-pin X.21 serial port, V.35 DTE interface via 34-pin connector Wiring Type Unshielded twisted pair Maximum Data Rate 2.048Mbps Data Bus External [Image] CONNECTIONS Function Label Function Label 15-pin serial port CN1 V.35 interface (34-pin CN2 connector)