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# ACCTON TECHNOLOGY CORPORATION
Etherpair-NE2 (EN1622)
NIC Type Ethernet
Transfer Rate 10Mbps
Data Bus 16-bit MCA
Topology Linear bus
Star
Wiring Type Unshielded twisted pair
AUI transceiver via DB-15 port
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| SIGNAL QUALITY ERROR (SQE) TEST |
|------------------------------------------------------------|
| Setting | JP1 |
|------------------------------------------+-----------------|
| » | Disabled | Closed |
|-------------+----------------------------+-----------------|
| | Enabled | Open |
|------------------------------------------------------------|
| Note: Signal Quality Error (SQE) is a test of the |
| collision circuitry and path. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINK INTEGRITY TEST |
|------------------------------------------------------------|
| Setting | JP2 |
|----------------------------------------+-------------------|
| » | Enabled | Closed |
|---------------+------------------------+-------------------|
| | Disabled | Open |
|------------------------------------------------------------|
| Note: Link Integrity is only used with 10Base-T wiring. |
| When using an AUI transceiver, the test should be |
| disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | JP3A - JP3I |
|------------------------------------+-----------------------|
| » | Unshielded twisted pair | Pins 1 & 2 Closed |
|---+--------------------------------+-----------------------|
| | AUI transceiver via DB-15 port | Pins 2 & 3 Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| Led | Color | Link | Status | Condition |
| | | Integrity | | |
|------+-------+-----------+----------+----------------------|
| LED1 | Red | N/A | Off | No collisions |
| | | | | detected on network |
|------+-------+-----------+----------+----------------------|
| LED1 | Red | N/A | Blinking | Collision detected |
| | | | | on network |
|------+-------+-----------+----------+----------------------|
| LED2 | Green | N/A | On | Data is being |
| | | | | received power |
|------+-------+-----------+----------+----------------------|
| LED2 | Green | N/A | Blinking | Data is being |
| | | | | transmitted |
|------+-------+-----------+----------+----------------------|
| LED3 | Red | N/A | Off | Normal operational |
|------+-------+-----------+----------+----------------------|
| LED3 | Red | N/A | On | Card is jabbering, |
| | | | | transmitting |
| | | | | continuously |
|------+-------+-----------+----------+----------------------|
| LED4 | Green | Enabled | On | Twisted pair network |
| | | | | connection is good |
|------+-------+-----------+----------+----------------------|
| LED4 | Green | Enabled | Off | Twisted pair network |
| | | | | connection is broken |
|------+-------+-----------+----------+----------------------|
| LED4 | Green | Enabled | Blinking | Data is being |
| | | | | received |
|------+-------+-----------+----------+----------------------|
| LED4 | Green | Disabled | On | Data is being |
| | | | | received power |
|------+-------+-----------+----------+----------------------|
| LED4 | Green | Disabled | Off | Data is not being |
| | | | | received power |
|------+-------+-----------+----------+----------------------|
| LED4 | Green | Disabled | Blinking | Data is being |
| | | | | received |
|------------------------------------------------------------|
| Note: The condition displayed by LED4 depends on the |
| setting of the link integrity JP2. |
+------------------------------------------------------------+