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# SEALEVEL SYSTEMS, INC.
ULTRA SIO (P/N 3089), ULTRA SIO (P/N3189)
Card Type Serial card
Chip Set Unidentified
Maximum Onboard Memory Unidentified
I/O Options Serial port (2)
Hard Drives supported None
Floppy drives supported None
Data Bus 16-bit ISA
Card Size Full-length, full-height
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| Serial Port 1 | P3 | Serial Port 2 | P4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|--------------------------------+-------+-------------------|
| Port 1 RTS enabled (RS-485) | E8 | Pins 2 & 4 closed |
|--------------------------------+-------+-------------------|
| Port 1 auto enabled (RS-485) | E8 | Pins 1 & 3 closed |
|--------------------------------+-------+-------------------|
| Port 2 RTS enabled (RS-485) | E10 | Pins 2 & 4 closed |
|--------------------------------+-------+-------------------|
| Port 2 auto enabled (RS-485) | E10 | Pins 1 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS SELECTION PORT 1 |
|------------------------------------------------------------|
| Setting | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|----------------+----------+----------+----------+----------|
| | 2A0h | Off | On | On | On |
|---+------------+----------+----------+----------+----------|
| | 2E8h | On | Off | Off | On |
|---+------------+----------+----------+----------+----------|
| | 2F8h | On | On | Off | On |
|---+------------+----------+----------+----------+----------|
| | 300h | Off | On | Off | On |
|---+------------+----------+----------+----------+----------|
| | 328h | Off | Off | On | On |
|---+------------+----------+----------+----------+----------|
| | 3E8h | On | Off | On | On |
|---+------------+----------+----------+----------+----------|
| » | 3F8h | On | On | On | On |
|---+------------+----------+----------+----------+----------|
| | Disabled | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS SELECTION PORT 2 |
|------------------------------------------------------------|
| Setting | SW2/1 | SW2/2 | SW2/3 | SW2/4 |
|----------------+----------+----------+----------+----------|
| | 2A0h | Off | On | On | On |
|---+------------+----------+----------+----------+----------|
| | 2E8h | On | Off | Off | On |
|---+------------+----------+----------+----------+----------|
| » | 2F8h | On | On | Off | On |
|---+------------+----------+----------+----------+----------|
| | 300h | Off | On | Off | On |
|---+------------+----------+----------+----------+----------|
| | 328h | Off | Off | On | On |
|---+------------+----------+----------+----------+----------|
| | 3E8h | On | Off | On | On |
|---+------------+----------+----------+----------+----------|
| | 3F8h | On | On | On | On |
|---+------------+----------+----------+----------+----------|
| | Disabled | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | E11/A | E11/B | E11/C | E11/D | E11/E |
|----------+---------+---------+---------+---------+---------|
| | 2/9 | Closed | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 3 | Open | Closed | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| » | 4 | Open | Open | Closed | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 5 | Open | Open | Open | Closed | Open |
|---+------+---------+---------+---------+---------+---------|
| | 6 | Open | Open | Open | Open | Closed |
|---+------+---------+---------+---------+---------+---------|
| | 7 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 10 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 11 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 12 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 14 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 15 | Open | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 INTERRUPT SELECTION (CON’T) |
|------------------------------------------------------------|
| IRQ | E11/F | E11/G | E11/H | E11/I | E11/J |E11/K |
|--------+--------+--------+--------+--------+--------+------|
| | 2/9 | Open | Open | Open | Open | Open | Open |
|-+------+--------+--------+--------+--------+--------+------|
| | 3 | Open | Open | Open | Open | Open | Open |
|-+------+--------+--------+--------+--------+--------+------|
|»| 4 | Open | Open | Open | Open | Open | Open |
|-+------+--------+--------+--------+--------+--------+------|
| | 5 | Open | Open | Open | Open | Open | Open |
|-+------+--------+--------+--------+--------+--------+------|
| | 6 | Open | Open | Open | Open | Open | Open |
|-+------+--------+--------+--------+--------+--------+------|
| | 7 | Closed | Open | Open | Open | Open | Open |
|-+------+--------+--------+--------+--------+--------+------|
| | 10 | Open | Closed | Open | Open | Open | Open |
|-+------+--------+--------+--------+--------+--------+------|
| | 11 | Open | Open | Closed | Open | Open | Open |
|-+------+--------+--------+--------+--------+--------+------|
| | 12 | Open | Open | Open | Closed | Open | Open |
|-+------+--------+--------+--------+--------+--------+------|
| | 14 | Open | Open | Open | Open | Closed | Open |
|-+------+--------+--------+--------+--------+--------+------|
| | 15 | Open | Open | Open | Open | Open |Closed|
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | E12/A | E12/B | E12/C | E12/D | E12/E |
|----------+---------+---------+---------+---------+---------|
| | 2/9 | Closed | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| » | 3 | Open | Closed | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 4 | Open | Open | Closed | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 5 | Open | Open | Open | Closed | Open |
|---+------+---------+---------+---------+---------+---------|
| | 6 | Open | Open | Open | Open | Closed |
|---+------+---------+---------+---------+---------+---------|
| | 7 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 10 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 11 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 12 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 14 | Open | Open | Open | Open | Open |
|---+------+---------+---------+---------+---------+---------|
| | 15 | Open | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 INTERRUPT SELECTION (CON’T) |
|------------------------------------------------------------|
| IRQ | E12/F | E12/G | E12/H | E12/I | E12/J | E12/K |
|-------+--------+--------+--------+--------+--------+-------|
| | 2/9 | Open | Open | Open | Open | Open | Open |
|-+-----+--------+--------+--------+--------+--------+-------|
|»| 3 | Open | Open | Open | Open | Open | Open |
|-+-----+--------+--------+--------+--------+--------+-------|
| | 4 | Open | Open | Open | Open | Open | Open |
|-+-----+--------+--------+--------+--------+--------+-------|
| | 5 | Open | Open | Open | Open | Open | Open |
|-+-----+--------+--------+--------+--------+--------+-------|
| | 6 | Open | Open | Open | Open | Open | Open |
|-+-----+--------+--------+--------+--------+--------+-------|
| | 7 | Closed | Open | Open | Open | Open | Open |
|-+-----+--------+--------+--------+--------+--------+-------|
| | 10 | Open | Closed | Open | Open | Open | Open |
|-+-----+--------+--------+--------+--------+--------+-------|
| | 11 | Open | Open | Closed | Open | Open | Open |
|-+-----+--------+--------+--------+--------+--------+-------|
| | 12 | Open | Open | Open | Closed | Open | Open |
|-+-----+--------+--------+--------+--------+--------+-------|
| | 14 | Open | Open | Open | Open | Closed | Open |
|-+-----+--------+--------+--------+--------+--------+-------|
| | 15 | Open | Open | Open | Open | Open |Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL INTERRUPT MODE SELECTION PORT 1 |
|------------------------------------------------------------|
| IRQ | E5 |
|----------------------------------------+-------------------|
| » | Normal interrupt mode | Pins 1 & 2 closed |
|---+------------------------------------+-------------------|
| | Shared interrupt mode without | Pins 2 & 3 closed |
| | resistor | |
|---+------------------------------------+-------------------|
| | Shared interrupt mode with | Pins 3 & 4 closed |
| | pull-down resistor | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL INTERRUPT MODE SELECTION PORT 2 |
|------------------------------------------------------------|
| IRQ | E6 |
|----------------------------------------+-------------------|
| » | Normal interrupt mode | Pins 1 & 2 closed |
|---+------------------------------------+-------------------|
| | Shared interrupt mode without | Pins 2 & 3 closed |
| | resistor | |
|---+------------------------------------+-------------------|
| | Shared interrupt mode with | Pins 3 & 4 closed |
| | pull-down resistor | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 1 SELECTION |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| Port 1 echo enabled (RS-485 2 wire | E3 | Pins 1 & 2 |
| mode) | | closed |
|---------------------------------------+-------+------------|
| Port 1 echo disabled (RS-485 2 wire | E3 | Pins 3 & 4 |
| mode) | | closed |
|---------------------------------------+-------+------------|
| Port 1 RS-422/485 always enabled | E3 | Pins 5 & 6 |
| | | closed |
|---------------------------------------+-------+------------|
| Port 1 RS-422/485 enabled by RTS | E3 | Pins 7 & 8 |
| | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 2 SELECTION |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| Port 2 echo enabled (RS-485 2 wire | E9 | Pins 1 & 2 |
| mode) | | closed |
|---------------------------------------+-------+------------|
| Port 2 echo disabled (RS-485 2 wire | E9 | Pins 3 & 4 |
| mode) | | closed |
|---------------------------------------+-------+------------|
| Port 2 RS-422/485 always enabled | E9 | Pins 5 & 6 |
| | | closed |
|---------------------------------------+-------+------------|
| Port 2 RS-422/485 enabled by RTS | E9 | Pins 7 & 8 |
| | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 1 TERMINATION SELECTION |
|------------------------------------------------------------|
| Function | Label | Position |
|--------------------------------------+-------+-------------|
| Port 1 TX+ & RX+ connected for two | E1 | Pins 1 & 2 |
| wire operation (RS-485) | | closed |
|--------------------------------------+-------+-------------|
| Port 1 add 120 ohm termination | E1 | Pins 3 & 4 |
| | | closed |
|--------------------------------------+-------+-------------|
| Port 1 TX- & RX- connected for two | E1 | Pins 5 & 6 |
| wire operation (RS-485) | | closed |
|--------------------------------------+-------+-------------|
| Port 1 1K ohm pull-down resistor | E1 | Pins 7 & 8 |
| enabled (RS-422/485) | | closed |
|--------------------------------------+-------+-------------|
| Port 1 1K ohm pull-up resistor | E1 | Pins 9 & 10 |
| enabled (RS-422/485) | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 2 TERMINATION SELECTION |
|------------------------------------------------------------|
| Function | Label | Position |
|--------------------------------------+-------+-------------|
| Port 2 TX+ & RX+ connected for two | E4 | Pins 1 & 2 |
| wire operation (RS-485) | | closed |
|--------------------------------------+-------+-------------|
| Port 2 add 120 ohm termination | E4 | Pins 3 & 4 |
| | | closed |
|--------------------------------------+-------+-------------|
| Port 2 TX- & RX- connected for two | E4 | Pins 5 & 6 |
| wire operation (RS-485) | | closed |
|--------------------------------------+-------+-------------|
| Port 2 1K ohm pull-down resistor | E4 | Pins 7 & 8 |
| enabled (RS-422/485) | | closed |
|--------------------------------------+-------+-------------|
| Port 2 1K ohm pull-up resistor | E4 | Pins 9 & 10 |
| enabled (RS-422/485) | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|------------------------------------------------------------|
| The Ultra SIO comes in both isolated ground (P/N |
| 3189) and non-isolated ground (P/N 3089) types. The |
| settings are the same for both. |
+------------------------------------------------------------+