SBE, INC.
SCI-530T, SCI-530DTEF
| Card Type | Serial communication interface module |
| Chip Set | Unidentified |
| Maximum Modem Rate | 4Mbps |
| Data Modulation Protocol | EIA-232 -D, EIA-422, EIA-449, EIA-530, V.35, X.21 |
| Data Bus | Propietary |
CONNECTIONS |
|||
Function |
Label |
Function |
Label |
| 20-pin connector to host board | J 1 |
25-pin D type connector | J9 |
USER CONFIGURABLE SETTINGS |
|||
Setting |
Label |
Position |
|
| » | Host to DCE delay line signal disabled | J2 | Closed |
| Host to DCE delay line signal enabled | J2 | Open | |
| » | DCE to Host delay line modem signal disabled | J3 | Closed |
| DCE to Host delay line modem signal enabled | J3 | Open | |
| Note: If J2 or J3 is open, then U2 or U3 must be installed. | |||
| TRANSMIT CLOCK SOURCE | |||
Setting |
J4 |
J10 |
|
| » | TXE provide clock to DCE line | Pins 2 & 3 closed | Pins 1 & 2, 3 & 4 closed |
| DCE provide clock to TXE line | Pins 1 & 2 closed | Pins 1 & 3, 2 & 4 closed | |
| Unused clock for asyncroneous protocols | Open | Open | |
| INTERCHANGE CIRCUITS | |||
Setting |
J5 |
J6 |
|
| » | Signal is Low (-5v) | Pins 2 & 3 closed | Pins 2 & 3 closed |
| Signal is High (+5v) | Pins 1 & 2 closed | Pins 1 & 2 closed | |
| GROUNDING OPTIONS | |||
Setting |
J7 |
J8 |
|
| » | J9 connected to frame ground and circuit ground (100 resistor) | Open | Closed |
| J9 with no ground | Closed | Open | |
| J9 connected to frame ground and circuit ground (bypass 100 resistor) | Closed | Closed | |
| J9 with no ground | Open | Open | |