J6 PINS
DEFAULT
TERMINATOR POWER SOURCE
1-2
OFF
ON – From SCSI connector
1-3
ON
ON – From power connector
3-4
OFF
ON – To SCSI connector only
1-2, 3-4
OFF
Both ON – From power connector and
to SCSI bus
2-4
OFF
ON – Terminating resistors not installed
J9 PINS
DEFAULT
ACTIVE/PASSIVE TERMINATION
1-2
OFF
ON – +2.85 V to 110
Ω
2-4, 5-6
OFF
Both ON – Power and ground to
220/330
Ω
SCSI Termination
If the drive you are installing has terminator resistors installed,
you must remove them. Refer to the illustration at the end of this
section for the location of the terminator resistors. Termination is
supplied by the in-line terminator plug on the end of the SCSI
signal cable (P7).
FD-1 54840032
J6
J9
J7
J8
J5
04/APRIL/93 – 595-5484-UU
172
172
D-4
Devices