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2.3.2 Setup of Master I/O Box
Note that the DIP switch settings of the Master I/O Box differ depending on whether the
system configuration is consisted of only single Master I/O Box or of multiple Master I/O Boxes that
are followed by Satellite I/O Boxes.
Make sure that the POWER switch of the I/O Box is set to OFF. Set the DIP switch at the rear
of the unit as follows:
1
ON
OFF
Setup for the SCSI ID (DIP switches nos. 6, 7, and 8)
This SCSI ID must be different from that of other I/O Boxes or the PC.
Since generally the SCSI ID of the PC is set to 7, set the SCSI ID of the I/O Box to a number
between 0 and 6.
SCSI-ID
ID0
ID1
ID2
ID3
ID4
ID5
ID6
ID7
Setup termination for SCSI interface (no. 9)
Set DIP switch no.9 of the I/O Box, which is the farthest from the PC, to ON.
This setting is the same if only one I/O Box is connected.
SCSI termination setup
Termination
Non-termination
Power setup for termination of SCSI interface (no.10)
If the SCSI board in the PC cannot supply power to the SCSI interface, set DIP switch no.10 of
the I/O Box, which is the nearest to the PC, to ON. However, DIP switch no. 10 is usually set
to OFF, since a general SCSI board can supply power to the SCSI interface.
2
3
4
OFF
OFF
6
7
OFF
OFF
ON
OFF
OFF
ON
ON
ON
OFF
OFF
ON
OFF
OFF
ON
ON
ON
9
ON
OFF
5
6
7
ON
OFF
OFF
8
OFF
OFF
OFF
OFF
ON
ON
ON
ON
11
8
9
10
OFF
ON
ON
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