Sun Microsystems StorEdge D2, Installation, Operation And Service Manual

Page: 30 / 118

1-14 Sun StorEdge D2 Array Installation, Operation, and Service Manual • February 2002
1.7.1.1 Configuration Options Switch Bank
FIGURE 1-9
shows the configuration options switch bank on the front of the ESM
(along with the Unit ID mentioned in
TABLE 1-5
). The switch bank has four switches.
The settings and the functions controlled by the configuration switches are described
in the following table.
FIGURE 1-9
Configuration Options Switch Bank
Switch Number Default Setting Function
1 Varies by
configuration Up = single bus configuration
Down = split bus configuration
2 Down Up = Disable enclosure status reporting through the SAF-TE interface.
Down = Enable enclosure status reporting through the SAF-TE
interface.
3 Down Reserved (no function)
4 Down Reserved (no function)
D2
SCSI-A SCSI-B
4 3 2 1
Configuration
Options
Unit ID
SCSI
o
1
2
3
4
5
6
7
8 9
4 3 2 1
Configuration
Options
Unit ID