STANDARD MICROSYSTEMS CORPORATION

INTERNAL TWISTED PAIR HUB

NIC Type

Arcnet

Transfer Rate

2.5Mbps

Data Bus

8-bit ISA

Topology

Star

Wiring Type

Unshielded twisted pair

Boot ROM

Not available

CONNECTIONS

Purpose

Location

Purpose

Location

RJ11 ports 1-4

J1 - J4

Internal hub connectors

JP1 & JP2

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

LED1

Green

On

Data is being transmitted/received on J2

LED1

Green

Off

Data is not being transmitted/received on J2

LED1

Green

Blinking

Reconfiguration or J2

LED2

Green

On

Data is being transmitted/received on J3

LED2

Green

Off

Data is not being transmitted/received on J3

LED2

Green

Blinking

Reconfiguration on J2

LED3

Green

On

Data is being transmitted/received on J4

LED3

Green

Off

Data is not being transmitted/received on J4

LED3

Green

Blinking

Reconfiguration on J2

LED4

Green

On

Data is being transmitted/received on J1

LED4

Green

Off

Data is not being transmitted/received on J1

LED4

Green

Blinking

Reconfiguration on J2

LED5

Red

On

Polarity is reversed

LED5

Red

Off

Polarity is not reversed