Installation
Manual No. 771971
3-9
SCSI Termination
Terminating a SCSI chain is accomplished either by adding a terminator to
the each end of the SCSI bus, or by terminating the devices closest to each of
the two ends of the SCSI bus.
☛
Note
The use of an external terminal at the end of the SCSI
bus away from the DAC960PG is preferred to
terminating the SCSI device at that end, as this allows
devices to be added to or removed from the SCSI bus
without having to add or remove termination.
The DAC960PG controller has on board ALT-2 type SCSI terminators on all
drive channels. The on board termination logic will detect the presence of a
SCSI bus connected to the external connector and the internal connector of
each channel, and will enable or disable the on board termination as
required.
Terminating Internal Disk Arrays
If the all the SCSI devices on a channel are connected to the internal
connector of a channel, the end of the SCSI bus farthest from the controller
must have a terminator installed.
The DAC960PG will automatically enable on board termination at its end of
the SCSI bus.
m
Caution
The internal connector of the DAC960PG must only
be connected to the end of a SCSI bus, not anywhere
in between the ends, or proper termination cannot be
ensured.
Содержание DAC960PG
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