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# MULTI-TECH SYSTEMS, INC.
MPC186U
Card Type Proprietary router
Processor 80186
Processor Speed 16MHz
Chip Set Unidentified
Maximum Onboard Memory 512KB DRAM
I/O Options Twisted-pair network port, serial port
Network Transfer Rate 2.5Mbps
Data Bus 16-bit ISA
Topology Linear Bus
Wiring Type Unshielded twisted pair
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-----------------------------+-------+--------------+-------|
| Unshielded twisted pair | CN1 | V.24 or V.35 | CN2 |
| port | | serial port | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | Factory configured - do not alter | J1 | Open |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | J2 | Closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | J3 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | J4 | Pins 3 & 4 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | SW1/1 | Off |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | SW1/2 | Off |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | SW1/3 | Off |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | SW1/4 | Off |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | SW1/5 | Off |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | SW1/6 | Off |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | SW2/7 | On |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | SW2/8 | On |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | X2 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT TYPE |
|------------------------------------------------------------|
| Setting | W1 | W2 |
|------------------+--------------------+--------------------|
| V.24 port | Not installed | Installed |
|------------------+--------------------+--------------------|
| V.35 port | Installed | Not installed |
|------------------------------------------------------------|
| Note:W1 and W2 are single--block shunts. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS |
|------------------------------------------------------------|
| Setting | SW2/1 | SW2/2 | SW2/3 | SW2/4 | SW2/5 | SW2/6 |
|-----------+--------+-------+-------+-------+-------+-------|
| | 100h | On | Off | On | On | On | On |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 110h | On | Off | On | On | On | Off |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 120h | On | Off | On | On | Off | On |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 130h | On | Off | On | On | Off | Off |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 140h | On | Off | On | Off | On | On |
|---+-------+--------+-------+-------+-------+-------+-------|
| » | 390h | Off | Off | Off | On | On | Off |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 3B0h | Off | Off | Off | On | Off | Off |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 3C0h | Off | Off | Off | Off | On | On |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 3D0h | Off | Off | Off | Off | On | Off |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 3E0h | Off | Off | Off | Off | Off | On |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 3F0h | Off | Off | Off | Off | Off | Off |
|------------------------------------------------------------|
| Note: A total of 48 base address settings are |
| available. The switches are a binary representation |
| of the decimal memory addresses. SW2/1 is the Most |
| Significant Bit and switch SW2/6 is the Least |
| Significant Bit. The switches have the following |
| decimal values: SW2/1=512, SW2/2=256, SW2/3=128, |
| SW2/4=64, SW2/5=32, SW2/6=16. Turn off the switches |
| and add the values of the switches to obtain the |
| correct memory address. (Off=1, On=0) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NODE ADDRESS |
|------------------------------------------------------------|
| Setting | SW3/1 | SW3/2 | SW3/3 | SW3/4 | SW3/5 | SW3/6 |
|----------+--------+--------+-------+-------+-------+-------|
| | 1 | Off | On | On | On | On | On |
|----+-----+--------+--------+-------+-------+-------+-------|
| | 2 | On | Off | On | On | On | On |
|----+-----+--------+--------+-------+-------+-------+-------|
| | 3 | Off | Off | On | On | On | On |
|----+-----+--------+--------+-------+-------+-------+-------|
| | 4 | On | On | Off | On | On | On |
|----+-----+--------+--------+-------+-------+-------+-------|
| | 5 | Off | On | Off | On | On | On |
|----+-----+--------+--------+-------+-------+-------+-------|
| | 59 | Off | Off | On | Off | Off | Off |
|----+-----+--------+--------+-------+-------+-------+-------|
| | 60 | On | On | Off | Off | Off | Off |
|----+-----+--------+--------+-------+-------+-------+-------|
| | 61 | Off | On | Off | Off | Off | Off |
|----+-----+--------+--------+-------+-------+-------+-------|
| | 62 | On | Off | Off | Off | Off | Off |
|----+-----+--------+--------+-------+-------+-------+-------|
| » | 63 | Off | Off | Off | Off | Off | Off |
|------------------------------------------------------------|
| Note: A total of 63 node address settings are |
| available. The switches are a binary representation |
| of the decimal node addresses. SW3/6 is the Most |
| Significant Bit and switch SW3/1 is the Least |
| Significant Bit. The switches have the following |
| decimal values: SW3/1=1, SW3/2=2, SW3/3=4, SW3/4=64, |
| SW3/5=16, SW3/6=32. Turn off the switches and add the |
| values of the switches to obtain the correct memory |
| address. (Off=1, On=0) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT |
|------------------------------------------------------------|
| Setting | S3/A | S3/B | S3/C | S3/D | S3/E |
|----------+---------+---------+---------+---------+---------|
| IR/FONT> | Closed | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ3 | Open | Closed | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ4 | Open | Open | Closed | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ5 | Open | Open | Open | Closed | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ7 | Open | Open | Open | Open | Closed |
|----------+---------+---------+---------+---------+---------|
| IRQ10 | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ11 | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ12 | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ14 | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ15 | Open | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT (CON’T) |
|------------------------------------------------------------|
| Setting | S4/A | S4/B | S4/C | S4/D | S4/E |
|----------+---------+---------+---------+---------+---------|
| IR/FONT> | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ3 | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ4 | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ5 | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ7 | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ10 | Closed | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ11 | Open | Closed | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ12 | Open | Open | Closed | Open | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ14 | Open | Open | Open | Closed | Open |
|----------+---------+---------+---------+---------+---------|
| IRQ15 | Open | Open | Open | Open | Closed |
+------------------------------------------------------------+