CABLETRON SYSTEMS, INC.
E2020/-X (Coaxial)
|
NIC Type |
Ethernet |
|
Transfer Rate |
10Mbps |
|
Data Bus |
8-bit ISA |
|
Topology |
Linear Bus |
|
Wiring Type |
RG-58A/U 50ohm coaxial AUI transceiver via DB-15 port |
|
Boot ROM |
Not Available |
|
INTERRUPT REQUEST | |||||||
|
IRQ |
JP1A |
JP1B |
JP1C |
JP1D |
JP1E |
JP1F | |
|
2/9 |
Open |
Open |
Open |
Open |
Open |
Closed | |
|
3 |
Closed |
Open |
Open |
Open |
Open |
Open | |
|
4 |
Open |
Closed |
Open |
Open |
Open |
Open | |
|
5 |
Open |
Open |
Closed |
Open |
Open |
Open | |
|
6 |
Open |
Open |
Open |
Closed |
Open |
Open | |
|
7 |
Open |
Open |
Open |
Open |
Closed |
Open | |
|
I/O BASE ADDRESS | |||
|
Address |
JP2 |
JP3 | |
|
220h |
Closed |
Closed | |
|
280h |
Closed |
Open | |
|
300h |
Open |
Closed | |
|
380h |
Open |
Open | |
|
CABLE TYPE | |||
|
Type |
SW1 |
JP7 | |
|
RG-58A/U 50ohm coaxial |
On |
Pins 1 & 2 Closed | |
|
AUI transceiver via DB-15 port |
Off |
Pins 2 & 3 Closed | |
|
Note:JP7 is used to enabled the DC converter on the card to supply power to coaxial networks. | |||
|
SIGNAL QUALITY ERROR (SQE) TEST | ||
|
Setting |
SW2 | |
|
Disabled |
Off | |
|
Enabled |
On | |
|
Note:Signal Quality Error (SQE) is a test of the collision circuitry and path. | ||
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
1 |
Green |
On/Blinking |
Data is being transmitted |
|
1 |
Green |
Off |
Data is not being transmitted |
|
2 |
Red |
On/Blinking |
Collision detected on network |
|
2 |
Red |
Off |
Normal operation |
|
3 |
Yellow |
On/Blinking |
Data is being received |
|
3 |
Yellow |
Off |
Data is not being received |
|
4 |
Green |
On |
Card is receiving power |
|
4 |
Green |
Off |
Card is not receiving power |