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# NETWORTH, INC.
SERIES 4000ETHERNEXT 8-BIT (PN UTP8A)
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 8-bit ISA
Topology Star
Wiring Type Unshielded twisted pair
AUI transceiver via DB-15 port
Boot ROM Not available
IMG IMG 1
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | JP1 | JP2 |
|------------------------------+--------------+--------------|
| » | Unshielded twisted | Pins 1 & 2 | Pins 1 & 2 |
| | pair | Closed | Closed |
|-----+------------------------+--------------+--------------|
| | AUI transceiver via | Pins 2 & 3 | Pins 2 & 3 |
| | DB-15 port | Closed | Closed |
|------------------------------------------------------------|
| Note: When set to AUI transceiver via DB-15 port, the link |
| test is disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE MEMORY ADDRESS |
|------------------------------------------------------------|
| Address | JP4A | JP4B |
|----------------------+------------------+------------------|
| » | C0000h | Closed | Closed |
|---+------------------+------------------+------------------|
| | C8000h | Open | Closed |
|---+------------------+------------------+------------------|
| | D0000h | Closed | Open |
|---+------------------+------------------+------------------|
| | D8000h | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS |
|------------------------------------------------------------|
| Address | JP4C | JP4D |
|---------------------+-------------------+------------------|
| » | 300h | Closed | Closed |
|---+-----------------+-------------------+------------------|
| | 320h | Open | Closed |
|---+-----------------+-------------------+------------------|
| | 340h | Closed | Open |
|---+-----------------+-------------------+------------------|
| | 360h | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | JP5A | JP5B | JP5C | JP5D |
|-----------+------------+-----------+-----------+-----------|
| | 2 | Open | Open | Open | Closed |
|---+-------+------------+-----------+-----------+-----------|
| » | 3 | Open | Open | Closed | Open |
|---+-------+------------+-----------+-----------+-----------|
| | 4 | Open | Closed | Open | Open |
|---+-------+------------+-----------+-----------+-----------|
| | 5 | Closed | Open | Open | Open |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+--------+----------+---------------------------------|
| LED1 | Green | Blinking | Data is being transmitted |
|------+--------+----------+---------------------------------|
| LED1 | Green | Off | Data is not being transmitted |
|------+--------+----------+---------------------------------|
| LED2 | Green | Blinking | Data is being received |
|------+--------+----------+---------------------------------|
| LED2 | Green | Off | Data is not being received |
|------+--------+----------+---------------------------------|
| LED3 | Green | On | Network connection is good |
|------+--------+----------+---------------------------------|
| LED3 | Green | Off | Network connection is broken |
|------+--------+----------+---------------------------------|
| LED4 | Yellow | Blinking | Collision is detected on |
| | | | network |
|------+--------+----------+---------------------------------|
| LED4 | Yellow | Off | No collisions detected on |
| | | | network |
|------+--------+----------+---------------------------------|
| LED5 | Red | On | Receive polarity reversed |
|------+--------+----------+---------------------------------|
| LED5 | Red | Off | Receive polarity correct |
|------+--------+----------+---------------------------------|
| LED6 | Green | On | AUI transceiver via DB-15 |
| | | | selected |
|------+--------+----------+---------------------------------|
| LED6 | Green | Off | Unshielded twisted pair |
| | | | selected |
+------------------------------------------------------------+