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# EQUINOX SYSTEMS, INC.
SST-128I
Card Type Serial
Chip Set Equinox
I/O Options Serial ports (128)
Data Bus ISA
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------------+--------+--------------+-------|
| Serial ports 1-64 via | CN1 | DC power in | J1 |
| DB-26 connector | | | |
|----------------------------+--------+--------------+-------|
| Serial ports 65-128 via | CN2 | | |
| DB-26 connector | | | |
|------------------------------------------------------------|
| Note:Standard DB-25 or RJ-45 serial ports are |
| provided by up to eight external 16-port modular |
| expansion boxes. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|---------------------------------------+-------+------------|
| » | Factory configured - do not alter | J2 | Pins 1 & |
| | | | 2, 4 & 5 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | J3 | Pins 1 & |
| | | | 2, 3 & 4 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS |
|------------------------------------------------------------|
| Setting | S1/1 | S1/2 | S1/3 | S1/4 |
|------------+-----------+-----------+-----------+-----------|
| 200h | Off | Off | Off | Off |
|------------+-----------+-----------+-----------+-----------|
| 220h | On | Off | Off | Off |
|------------+-----------+-----------+-----------+-----------|
| 240h | Off | On | Off | Off |
|------------+-----------+-----------+-----------+-----------|
| 260h | On | On | Off | Off |
|------------+-----------+-----------+-----------+-----------|
| 280h | Off | Off | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 2A0h | On | Off | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 2C0h | Off | On | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 2E0h | On | On | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 300h | Off | Off | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 320h | On | Off | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 340h | Off | On | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 360h | On | On | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 380h | Off | Off | On | On |
|------------+-----------+-----------+-----------+-----------|
| 3A0h | On | Off | On | On |
|------------+-----------+-----------+-----------+-----------|
| 3C0h | Off | On | On | On |
|------------+-----------+-----------+-----------+-----------|
| 3E0h | On | On | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTE |
|------------------------------------------------------------|
| Switch S1 may be in one of two locations. On older |
| cards, the switch is located on the upper-right hand |
| corner of the card as shown in the picture. On more |
| recent cards, the switch is located at the top of the |
| rear bracket. |
+------------------------------------------------------------+