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T2015

CABLETRON SYSTEMS, INC.

T2015

NIC Type

Token-Ring

Transfer Rate

4/16Mbps

Data Bus

16-bit ISA

Topology

Ring

Wiring Type

Unshielded twisted pair

Shielded twisted pair (DB-9 port)

Boot ROM

Not available

CLOCK SOURCE

Setting

JP1

Clock on card (Asynchronous operation)

Pins 1 & 2 closed

 

Data bus clock (Synchronous operation)

Pins 2 & 3 closed

Note: On some systems the data bus timing is not truly IBM PC/AT compatible. If the card is not
initializing, using the data bus clock may allow the card to operate properly.

I/O BASE ADDRESS

Address

SW1/1

SW1/2

0A20h

On

On

0A80h

Off

On

1A20h

On

Off

1A80h

Off

Off

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

LED1

Yellow

On

Data is being transmitted or received

LED1

Yellow

Off

Data is not being transmitted or received

LED2

Green

On

Network connection is good

LED2

Red

On

Network connection is broken

LED3

Green

On

Card is set to 4Mbps operation

LED4

Yellow

On

Card is set to 16Mbps operation

Note:LED2 is a two color LED. LED2 will light red when power is first applied to the card.