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. |