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ETHERLINK II TP (3C503; ASSY.#6330)

3COM CORPORATION

ETHERLINK II TP (3C503; ASSY.#6330)

NIC Type

Ethernet

Transfer Rate

10Mbps

Data Bus

8-bit ISA

Topology

Star

Wiring Type

Unshielded twisted pair

DIX transceiver via DB-15 port

Boot ROM

Available

DC CONVERTER

Setting

JP1

DC signal disabled (10BaseT standard)

Pins 2 & 3 Closed

 

DC signal enabled (non 10BaseT network)

Pins 1 & 2 Closed

TRANSMIT LEVEL

Setting

JP2

Transmit level select normal (10Base-T standard)

Pins 2 & 3 Closed

 

Transmit level select low (non 10Base-T network)

Pins 1 & 2 Closed

RECEIVE LEVEL

Setting

JP3

Receive level select normal (10Base-T standard)

Pins 1 & 2 Closed

 

Receive level select low (non 10Base-T network)

Pins 2 & 3 Closed

TRANSCEIVER EQUALIZATION

Setting

JP4

JP5

Transmitter Equalization enabled (10Base-T standard)

Closed

Open

 

Receiver Equalization enabled (non 10Base-T network)

Open

Closed

TWISTED PAIR IMPEDANCE

Impedance

JP6

JP7

JP8

JP9

75ohm

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

100ohm

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

150ohm

Pins 3 & 4

Pins 3 & 4

Pins 3 & 4

Pins 3 & 4

BOOT ROM ADDRESS

Address

JP10

JP11

JP12

JP13

JP14

Disabled

Closed

Open

Open

Open

Open

C8000h

Open

Open

Open

Open

Closed

CC000h

Open

Open

Open

Closed

Open

D8000h

Open

Open

Closed

Open

Open

DC000h

Open

Closed

Open

Open

Open

I/O BASE ADDRESS

Address

JP15

JP16

JP17

JP18

JP19

JP20

JP21

JP22

250h

Open

Open

Open

Open

Closed

Open

Open

Open

280h

Open

Open

Open

Open

Open

Closed

Open

Open

2A0h

Open

Open

Open

Open

Open

Open

Closed

Open

2E0h

Open

Open

Open

Open

Open

Open

Open

Closed

300h

Closed

Open

Open

Open

Open

Open

Open

Open

310h

Open

Closed

Open

Open

Open

Open

Open

Open

330h

Open

Open

Closed

Open

Open

Open

Open

Open

350h

Open

Open

Open

Closed

Open

Open

Open

Open

LINK INTEGRITY TEST

Setting

JP23

Enabled

Pins 2 & 3 Closed

 

Disabled

Pins 1 & 2 Closed

Note:Link Integrity is only used with 10Base-T wiring. When using an AUI transciever, the test should be disabled.

DIAGNOSTIC LED(S)

LED

Status

Condition

L1

On

Data is being transmitted or received

L1

Off

Data is not being transmitted or received

L2

On

Twisted pair network connection is good

L2

Off

Twisted pair network connection is broken

MISCELLANEOUS NOTES

The interrupt request and cable type are set using the software that comes with the card.