Sony CD-R/RW manual Setting the Jumpers, Following table shows the function of each jumper

Step 5: Setting the Jumpers

Set jumpers on rear of drive unit according to your computer configuration. Jumpers are factory preset as shown below.

ACTIVE TERM

TEST

ID 1 ID 2 ID 4

The following table shows the function of each jumper.

Jumper			Function
ACTIVE						Enables active termination
				ON:
TERM				OFF:		Disables active termination
TEST				ON:		Enables test mode
				OFF:		Enables normal operation
ID SELECT			Assign the drive unit’s ID number by setting these
			jumpers to ON or OFF. Do not assign the same
			number as one used for other SCSI device.
					ID number		Jumper settings
						0	OFF	OFF	OFF
ACTIVE TERM
						1	ON	OFF	OFF
	TEST
		ID 1 ID 2 ID 4				2	OFF	ON	OFF
						3	ON	ON	OFF
						4	OFF	OFF	ON
						5	ON	OFF	ON
						6	OFF	ON	ON

Factory settings

Notes:

●The upper row of pins is (without position KEY) is ground.

●Remove jumper to set OFF, install jumper to set ON.

●ID SELECT, ACTIVE TERM, and TEST MODE are recognized when the power supply is turned on or the SCSI bus is reset.

●TEST mode is used exclusively for factory testing.

Do not set TEST mode to ON. Doing so may cause unexpected (disastrous) results.

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