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# STANDARD MICROSYSTEM CORPORATION
ARCNET-LC100
NIC Type Arcnet
I/O Options Parallel port
Data Bus Parallel
Network Transfer Rate 2.5Mbps
Topology Linear Bus/Star
Wiring Type Unshielded twisted pair
RG-62A/U 93ohm coaxial
Boot ROM Not available
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-----------------------+-------+--------------------+-------|
| To parallel port of | CN1 | Unshielded twisted | CN4 |
| computer | | pair connector | |
|-----------------------+-------+--------------------+-------|
| Parallel port | CN2 | RG-62A/U 93ohm | CN5 |
| | | coaxial connector | |
|-----------------------+-------+--------------------+-------|
| Unshielded twisted | CN3 | 10V DC power in | CN6 |
| pair connector | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|----------------------------------------+--------+----------|
| » | Internal terminator disabled | SW1/1 | Off |
|-----+----------------------------------+--------+----------|
| | Internal terminator enabled | SW1/1 | On |
|------------------------------------------------------------|
| Note:The terminator must always be disabled on star |
| topology networks. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Setting | SW1/2 |
|-----------------------------------+------------------------|
| » | RG-62A/U 93ohm coaxial | On |
|---+-------------------------------+------------------------|
| | Unshielded twisted pair | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NODE ADDRESS |
|------------------------------------------------------------|
|Setting|SW1/3 |SW1/4 |SW1/5 |SW1/6 |SW1/7|SW1/8|SW1/9|SW1/10|
|-------+------+------+------+------+-----+-----+-----+------|
| 1 | On | Off | Off | Off | Off | Off | Off | Off |
|-------+------+------+------+------+-----+-----+-----+------|
| 2 | Off | On | Off | Off | Off | Off | Off | Off |
|-------+------+------+------+------+-----+-----+-----+------|
| 3 | On | On | Off | Off | Off | Off | Off | Off |
|-------+------+------+------+------+-----+-----+-----+------|
| 4 | Off | Off | On | Off | Off | Off | Off | Off |
|-------+------+------+------+------+-----+-----+-----+------|
| 5 | On | Off | On | Off | Off | Off | Off | Off |
|-------+------+------+------+------+-----+-----+-----+------|
| 250 | Off | On | Off | On | On | On | On | On |
|-------+------+------+------+------+-----+-----+-----+------|
| 251 | On | On | Off | On | On | On | On | On |
|-------+------+------+------+------+-----+-----+-----+------|
| 252 | Off | Off | On | On | On | On | On | On |
|-------+------+------+------+------+-----+-----+-----+------|
| 253 | On | Off | On | On | On | On | On | On |
|-------+------+------+------+------+-----+-----+-----+------|
| 254 | Off | On | On | On | On | On | On | On |
|------------------------------------------------------------|
| Note: A total of 253 node address settings are |
| available. The switches are a binary representation of |
| the decimal node addresses. SW1/10 is the Most |
| Significant Bit and switch SW1/3 is the Least |
| Significant Bit. The switches have the following |
| decimal values: SW1/10=128, SW1/9=64, SW1/8=32, |
| SW1/7=16, SW1/6=8, SW1/5=4, SW1/4=2, SW1/3=1. Turn on |
| the switches and add the values of the switches that |
| are on to obtain the correct node address. (Off=0, |
| On=1) |
| |
| Addresses 0 and 255 are reserved and should not be |
| used. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+--------------+----------+---------------------------|
| LED1 | Unidentified | On | Adapter is |
| | | | transmitting/receiving |
| | | | from parallel port |
|------+--------------+----------+---------------------------|
| LED1 | Unidentified | Blinking | Adapter is |
| | | | transmitting/receiving |
| | | | from both network and |
| | | | parallel port |
|------+--------------+----------+---------------------------|
| LED1 | Unidentified | Off | Adapter is not receiving |
| | | | power or driver not |
| | | | loaded |
|------+--------------+----------+---------------------------|
| LED2 | Unidentified | On | Adapter is |
| | | | transmitting/receiving |
| | | | from network |
|------+--------------+----------+---------------------------|
| LED2 | Unidentified | Blinking | Adapter is |
| | | | transmitting/receiving |
| | | | from both network and |
| | | | parallel port |
|------+--------------+----------+---------------------------|
| LED2 | Unidentified | Off | Adapter is not receiving |
| | | | power or driver not |
| | | | loaded |
|------+--------------+----------+---------------------------|
| LED3 | Unidentified | On | Data is being |
| | | | transmitted/received from |
| | | | the computer |
|------+--------------+----------+---------------------------|
| LED3 | Unidentified | Off | Data is not being |
| | | | transmitted/received from |
| | | | the computer |
|------+--------------+----------+---------------------------|
| LED4 | Unidentified | On | Network connection is |
| | | | good |
|------+--------------+----------+---------------------------|
| LED4 | Unidentified | Blinking | Network connection is |
| | | | broken |
+------------------------------------------------------------+