RANCHO TECHNOLOGY, INC.
RTSDA-M2/RTSDA-S2/RTSDA-SP
| 
 Data bus:  | 
 None  | 
| 
 Size:  | 
 3.25 in. form factor (RTSDA-S2) 5.25 in. x 8.2 in. x 1.75 in. (RTSDA-M2) 10 in. x 10.5 in. x 3.0 in. (RTSDA-SP)  | 
| 
 Hard drive supported:  | 
 Fast SCSI-2 devices, single-ended to differential converter  | 
| 
 Floppy drives supported:  | 
 None  | 
| 
 CONNECTIONS  | |
| 
 Function  | 
 Location  | 
| 
 50-pin single-ended SCSI connector - internal  | 
 J1  | 
| 
 50-pin differential SCSI connector - internal  | 
 J2  | 
| 
 Converter active LED  | 
 J3  | 
| 
 SCSI active LED  | 
 J4  | 
| 
 Note: On the RTSDA-SP model, the converter LED is located on the front panel and the 50-pin connectors are external.  | |
| 
 TERMINATION SELECTION  | ||||
| 
 Function  | 
 Single-End  | 
 Differential-End  | ||
| 
 
  | 
 W3  | 
 RN1-4  | 
 RN5-8  | |
| » | 
 Enable  | 
 Closed  | 
 Installed  | 
 Installed  | 
| 
 Disabled  | 
 Open  | 
 Not installed  | 
 Not installed  | |
| 
 TERMINATION POWER SETTINGS  | |||||
| 
 Function  | 
 Single-side  | 
 Differential-side  | |||
| 
 
  | 
 W1  | 
 W2  | 
 W4  | 
 W5  | |
| » | 
 TERMPWR supplied to converter terminators directly  | 
 Open  | 
 Closed  | 
 Closed  | 
 Open  | 
| 
 TERMPWR supplied to converter terminators through diode  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 TERMPWR supplied to both converter terminator and remote SCSI bus pin 26 through diode (with backflow prevention)  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | |
| 
 TERMPWR supplied to both converter terminators and remote SCSI bus pin 26 directly  | 
 Closed  | 
 Closed  | 
 Closed  | 
 Closed  | |
| 
 Note: Do not use the last option when other peripherals supply terminator power to the SCSI bus.  | |||||