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DUAL-PORT NETWORK ADAPTER/PC 2MB

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.