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

CONNECTIONS

Function

Label

Function

Label

V.24, V.35, or X.21 port 1

CN1

V.24, V.35, or X.21 port 2

CN2

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 signal ground

J3

Pins 1 & 2 closed

 

Electrical ground not connected to signal ground

J3

Pins 3 & 4 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.