EICON TECHNOLOGY CORPORATION DUAL-PORT NETWORK ADAPTER/PC 2MB Card Type Serial X.25 Processor 68000 (exact location unidentified) Processor Speed 16MHz Maximum Onboard Memory 2MB RAM I/O Options Serial ports (2) Data Bus 16-bit ISA [Image] CONNECTIONS Function Label Function Label V.24, V.35, or X.21 CN1 V.24, V.35, or X.21 CN2 port 1 port 2 Note: CN1 and CN2 are 3-row DB-26 connectors. Standard port configurations are provided by included adaptor cables. USER CONFIGURABLE SETTINGS Setting Label Position » V.24 or V.35 interface for port 1 J1 Pins 1 & 2 closed X.21 interface for port 1 J1 Pins 2 & 3 closed » V.24 or V.35 interface for port 2 J2 Pins 1 & 2 closed X.21 interface for port 2 J2 Pins 2 & 3 closed » Electrical ground connected to J3 Pins 1 & 2 signal ground closed Electrical ground not connected to J3 Pins 3 & 4 signal ground closed » Card will use primary I/O address SW1/1 Off Card will use secondary I/O address SW1/1 On Note: Single-block jumpers are provided for J1 and J2. They close all pins 1 & 2 or all pins 2 & 3 simultaneously. BASE I/O ADDRESS Primary Secondary SW1/2 SW1/3 SW1/4 278h 678h Off Off Off 280h 680h Off Off On 378h 778h Off On Off » 380h 780h Off On On 380h 780h On Off Off 388h 788h On Off On 390h 790h On On Off 398h 798h On On On Note: If a card is set to use a secondary address, no other card in the system may be set to its associated primary address except for another EiconCard.