SEALEVEL SYSTEMS, INC.
ISO-COMM
| Card Type | Serial card |
| Chip Set | Unidentified |
| Maximum Onboard Memory | Unidentified |
| I/O Options | Serial ports (4) |
| Hard Drives supported | None |
| Floppy drives supported | None |
| Data Bus | 16-bit ISA |
CONNECTIONS |
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Function |
Label |
Function |
Label |
| Serial port 1 | J1 |
Serial port 3 | J3 |
| Serial port 2 | J2 |
Serial port 4 | J4 |
USER CONFIGURABLE SETTINGS |
|||
Function |
Label |
Position |
|
| » | Factory configured - do not alter | E6 |
Unidentified |
| RS-485 driver enabled with RTS (port 3) | E8 |
Pins 1 & 2 closed |
|
| RS-485 driver disabled (port 3) | E8 |
Pins 1 & 2 open |
|
| RS-485 driver enabled with RTS (port 4) | E8 | Pins 5 & 6 closed | |
| RS-485 driver disabled (port 4) | E8 | Pins 5 & 6 open | |
| RS-485 driver enabled with RTS (port 1) | E9 | Pins 1 & 2 closed | |
| RS-485 driver disabled (port 1) | E9 | Pins 1 & 2 open | |
| RS-485 driver enabled with RTS (port 2) | E9 | Pins 5 & 6 open | |
| RS-485 driver disabled (port 2) | E9 | Pins 5 & 6 closed | |
| RS-485 echo enabled (port 3) | E8 | Pins 3 & 4 open | |
| RS-485 echo disabled (port 3) | E8 | Pins 3 & 4 closed | |
| RS-485 echo enabled (port 4) | E8 | Pins 7 & 8 open | |
| RS-485 echo disabled (port 4) | E8 | Pins 7 & 8 closed | |
| RS-485 echo enabled (port 1) | E9 | Pins 3 & 4 open | |
| RS-485 echo disabled (port 1) | E9 | Pins 3 & 4 closed | |
| RS-485 echo enabled (port 2) | E9 | Pins 7 & 8 open | |
| RS-485 echo disabled (port 3) | E9 | Pins 7 & 8 closed | |
| Serial port 4 enabled | SW1/8 | On | |
| Serial port 4 disabled | SW1/8 | Off | |
| Serial port 3 enabled | SW2/8 | On | |
| Serial port 3 disabled | SW2/8 | Off | |
| Serial port 2 enabled | SW3/8 | On | |
| Serial port 2 disabled | SW3/8 | Off | |
| Serial port 1 enabled | SW4/8 | On | |
| Serial port 1 disabled | SW4/8 | Off | |
| Note: If a serial port is disabled, the interrupt request should be disabled for that port as well. | |||
BASE I/O ADDRESS SELECTION PORT 1 |
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Setting |
SW4/1 |
SW4/2 |
SW4/3 |
SW4/4 |
SW4/5 |
SW4/6 |
SW4/7 |
|
280h |
Off |
On |
Off |
On |
On |
On |
On |
|
2A0h |
Off |
On |
Off |
On |
Off |
On |
On |
|
2E8h |
Off |
On |
Off |
Off |
Off |
On |
Off |
|
2F8h |
Off |
On |
Off |
Off |
Off |
Off |
Off |
|
3E8h |
Off |
Off |
Off |
Off |
Off |
On |
Off |
|
300h |
Off |
Off |
On |
On |
On |
On |
On |
|
328h |
Off |
Off |
On |
On |
Off |
On |
Off |
|
| » | 3F8h |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
BASE I/O ADDRESS SELECTION PORT 2 |
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Setting |
SW3/1 |
SW3/2 |
SW3/3 |
SW3/4 |
SW3/5 |
SW3/6 |
SW3/7 |
|
280h |
Off |
On |
Off |
On |
On |
On |
On |
|
2A0h |
Off |
O |
Off |
On |
Off |
On |
On |
|
2E8h |
Off |
On |
Off |
Off |
Off |
On |
Off |
|
| » | 2F8h |
Off |
On |
Off |
Off |
Off |
Off |
Off |
3E8h |
Off |
Off |
Off |
Off |
Off |
On |
Off |
|
300h |
Off |
Off |
On |
On |
On |
On |
On |
|
328h |
Off |
Off |
On |
On |
Off |
On |
Off |
|
3F8h |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
|
BASE I/O ADDRESS SELECTION PORT 3 |
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Setting |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 |
SW2/5 |
SW2/6 |
SW2/7 |
|
280h |
Off |
On |
Off |
On |
On |
On |
On |
|
2A0h |
Off |
On |
Off |
On |
Off |
On |
On |
|
2E8h |
Off |
On |
Off |
Off |
Off |
On |
Off |
|
2F8h |
Off |
On |
Off |
Off |
Off |
Off |
Off |
|
| » | 3E8h |
Off |
Off |
Off |
Off |
Off |
On |
Off |
300h |
Off |
Off |
On |
On |
On |
On |
On |
|
328h |
Off |
Off |
On |
On |
Off |
On |
Off |
|
3F8h |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
|
BASE I/O ADDRESS SELECTION PORT 4 |
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Setting |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
|
280h |
Off |
On |
Off |
On |
On |
On |
On |
|
2A0h |
Off |
On |
Off |
On |
Off |
On |
On |
|
| » | 2E8h |
Off |
On |
Off |
Off |
Off |
On |
Off |
2F8h |
Off |
On |
Off |
Off |
Off |
Off |
Off |
|
3E8h |
Off |
Off |
Off |
Off |
Off |
On |
Off |
|
300h |
Off |
Off |
On |
On |
On |
On |
On |
|
328h |
Off |
Off |
On |
On |
Off |
On |
Off |
|
3F8h |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
|
SERIAL PORT 1 INTERRUPT SELECTION |
||
IRQ |
E4 |
|
2 |
Pins 1 & 2 closed |
|
3 |
Pins 3 & 4 closed |
|
| » | 4 |
Pins 5 & 6 closed |
5 |
Pins 7 & 8 closed |
|
| 7 | Pins 9 & 10 closed | |
10 |
Pins 11 & 12 closed | |
11 |
Pins 13 & 14 closed | |
12 |
Pins 15 & 16 closed | |
15 |
Pins 17 & 18 closed | |
| Note: All pins are open unless designated as closed. | ||
SERIAL PORT 2 INTERRUPT SELECTION |
||
IRQ |
E3 |
|
2 |
Pins 1 & 2 closed |
|
| » | 3 |
Pins 3 & 4 closed |
4 |
Pins 5 & 6 closed |
|
5 |
Pins 7 & 8 closed |
|
| 7 | Pins 9 & 10 closed | |
10 |
Pins 11 & 12 closed | |
11 |
Pins 13 & 14 closed | |
12 |
Pins 15 & 16 closed | |
15 |
Pins 17 & 18 closed | |
| Note: All pins are open unless designated as closed. | ||
SERIAL PORT 3 INTERRUPT SELECTION |
||
IRQ |
E2 |
|
2 |
Pins 1 & 2 closed |
|
3 |
Pins 3 & 4 closed |
|
| » | 4 |
Pins 5 & 6 closed |
5 |
Pins 7 & 8 closed |
|
| 7 | Pins 9 & 10 closed | |
10 |
Pins 11 & 12 closed | |
11 |
Pins 13 & 14 closed | |
12 |
Pins 15 & 16 closed | |
15 |
Pins 17 & 18 closed | |
| Note: All pins are open unless designated as closed. | ||
SERIAL PORT 4 INTERRUPT SELECTION |
||
IRQ |
E1 |
|
2 |
Pins 1 & 2 closed |
|
| » | 3 |
Pins 3 & 4 closed |
4 |
Pins 5 & 6 closed |
|
5 |
Pins 7 & 8 closed |
|
| 7 | Pins 9 & 10 closed | |
10 |
Pins 11 & 12 closed | |
11 |
Pins 13 & 14 closed | |
12 |
Pins 15 & 16 closed | |
15 |
Pins 17 & 18 closed | |
| Note: All pins are open unless designated as closed. | ||
SERIAL INTERRUPT MODE SELECTION PORT 1 |
||
IRQ |
E5 |
|
Normal |
Pins 5 & 7 closed |
|
Shared interrupt mode |
Pins 3 & 5 closed |
|
| » | Shared interrupt mode with pull-down resistor |
Pins 1 & 3 closed |
| Note: If the shared function is used, only one of the ports must be set to the pull-down resistor mode. | ||
SERIAL INTERRUPT MODE SELECTION PORT 2 |
||
IRQ |
E5 |
|
Normal |
Pins 6 & 8 closed |
|
Shared interrupt mode |
Pins 4 & 6 closed |
|
| » | Shared interrupt mode with pull-down resistor |
Pins 2 & 4 closed |
| Note: If the shared function is used, only one of the ports must be set to the pull-down resistor mode. | ||
SERIAL INTERRUPT MODE SELECTION PORT 3 |
||
IRQ |
E5 |
|
Normal |
Pins 13 & 15 closed |
|
| » | Shared interrupt mode |
Pins 11 & 13 closed |
Shared interrupt mode with pull-down resistor |
Pins 9 & 11 closed |
|
| Note: If the shared function is used, only one of the ports must be set to the pull-down resistor mode. | ||
SERIAL INTERRUPT MODE SELECTION PORT 4 |
||
IRQ |
E5 |
|
Normal |
Pins 14 & 16 closed |
|
| » | Shared interrupt mode |
Pins 12 & 14 closed |
Shared interrupt mode with pull-down resistor |
Pins 10 & 12 closed |
|
| Note: If the shared function is used, only one of the ports must be set to the pull-down resistor mode. | ||
INTERFACE SELECTION |
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Setting |
RP-15 |
U27 |
U28 |
U33 |
U34 |
RS-232 |
Open | Open | Installed | Open | Installed |
| RS-422 | Installed | Installed | Open | Installed | Open |
Note: Max234 driver is installed at U28 & U34. 75174 driver is installed at U27 & U33. 100 ohm DIP resistor is installed at RP-15. |
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COMBINED INTERFACE SELECTION |
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Port 1 & 2 |
Port 3 & 4 |
RP-15 |
U27 |
U28 |
U33 |
U34 |
RS-232 |
RS-422 |
Installed (pins 1, 7, 8, 4 are floated) | Installed | Open | Open | Installed |
| RS-422 | RS-232 | Installed (pins 2, 3, 5, 6 are floated) | Open | Installed | Installed | Open |
Note: Max234 driver is installed at U28 & U34. 75174 driver is
installed at U27 & U33. 100 ohm DIP resistor is installed at RP-15. |
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