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.

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