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# ZENITH DATA SYSTEMS
LAN16TRF-AT
NIC Type Token-Ring
Transfer Rate 4/16Mbps
Data Bus 16-bit ISA
Topology Ring
Wiring Type 50/62.5/100µ Fiber optic cable
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|-------------------------------+----------------------------|
| ST Receive Connector (gray) | CN1 |
|-------------------------------+----------------------------|
| ST Transmit Connector (black) | CN2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS |
|------------------------------------------------------------|
| Address | SW1/1 | SW1/2 |
|--------------------+-------------------+-------------------|
| A00 - A0Fh | On | On |
|--------------------+-------------------+-------------------|
| A20 - A2Fh | Off | On |
|--------------------+-------------------+-------------------|
| A40 - A4Fh | On | Off |
|--------------------+-------------------+-------------------|
| A60 - A6Fh | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | SW1/3 | SW1/4 |
|------------------+--------------------+--------------------|
| 3 | On | On |
|------------------+--------------------+--------------------|
| 9 | Off | On |
|------------------+--------------------+--------------------|
| 10 | On | Off |
|------------------+--------------------+--------------------|
| 11 | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM ADDRESS |
|------------------------------------------------------------|
| Address | SW1/5 | SW1/6 |
|--------------------+-------------------+-------------------|
| CC000 - CFFFFh | On | On |
|--------------------+-------------------+-------------------|
| D0000 - D3FFFh | Off | On |
|--------------------+-------------------+-------------------|
| D8000 - D8FFFh | Off | Off |
|--------------------+-------------------+-------------------|
| DC000 - DFFFFh | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL |
|------------------------------------------------------------|
| Channel | SW1/7 | SW1/8 |
|--------------------+-------------------+-------------------|
| DMA0 | On | On |
|--------------------+-------------------+-------------------|
| DMA5 | Off | On |
|--------------------+-------------------+-------------------|
| DMA6 | On | Off |
|--------------------+-------------------+-------------------|
| DMA7 | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM |
|------------------------------------------------------------|
| Setting | SW1/9 |
|---------------------------------+--------------------------|
| » | Disabled | On |
|---+-----------------------------+--------------------------|
| | Enabled | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NETWORK SPEED |
|------------------------------------------------------------|
| Speed | SW1/10 |
|---------------------------------+--------------------------|
| 4Mbps | Off |
|---------------------------------+--------------------------|
| 16Mbps | On |
|------------------------------------------------------------|
| Note:All cards on the network segment must have this |
| option set the same. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LLC EPROM CONFIGURATION |
|------------------------------------------------------------|
| Setting | SW1/11 |
|-----------------------------------------+------------------|
| » | ROM-based LLC | On |
|--------------+--------------------------+------------------|
| | RAM-based LLC | Off |
|------------------------------------------------------------|
| Note:The LLC EPROMs contain the Logic Link Control |
| program. With the LLC ROMs disabled, the LLC logic can |
| be loaded into RAM. The card will function properly with |
| the LLC chips disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | SW1/12 |
|--------------------------------------------+---------------|
| » | 50/62.5/100µ Fiber optic cable | On |
|---+----------------------------------------+---------------|
| | Shielded Twisted Pair (DB-9 Connector) | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ALTERNATE CONCENTRATOR ENABLE |
|------------------------------------------------------------|
| Setting | JP2 |
|----------------------------------------+-------------------|
| » | Default concentrator enabled (IEEE | Pins 2 & 3 Closed |
| | 802.5j) | |
|---+------------------------------------+-------------------|
| | Alternate concentrator enabled | Pins 1 & 2 Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM MEMORY |
|------------------------------------------------------------|
| Setting | JP3 |
|----------------------------------------+-------------------|
| » | Boot ROM memory space required | Closed |
|---+------------------------------------+-------------------|
| | Boot ROM memory space not required | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Status | Condition |
|---------+----------+---------------------------------------|
| LED1 | On | Card is properly connected to MAU |
|---------+----------+---------------------------------------|
| LED1 | Off | Card is not properly connected to MAU |
|---------+----------+---------------------------------------|
| LED2 | On | Card is inserted into the ring |
|---------+----------+---------------------------------------|
| LED2 | Off | Card is not inserted into the ring |
+------------------------------------------------------------+