OSITECH COMMUNICATIONS, INC.

ETHERNETTALK LT990

NIC Type

Ethernet

Transfer Rate

10Mbps

Data Bus

Compaq portable bus

Topology

Linear Bus/Star

Wiring Type

Proprietary Unshielded Twisted Pair

RG-58A/U 50ohm coaxial

Boot ROM

Not available

CONNECTIONS

Purpose

Location

RJ-12

CN1

BNC

 

Note: See table below for RJ-12 pinout configuration.

ETHERNET ADAPTER CABLE PINOUT

RJ-12

RJ-45

1

N/A

2

2

3

1

4

3

5

6

6

N/A

N/A

4

N/A

5

N/A

7

N/A

8

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

LED1

Red

Blinking

Data is being transmitted

LED1

Red

Off

Data is not being transmitted

LED2

Green

On

Polarity is reversed

LED2

Green

Off

Polarity is normal

LED3

Green

Blinking

Data is being received

LED3

Green

Off

Data is not being received

LED4

Red

On

Network connection is good

LED4

Red

Off

Network connection is broken