3-4
Cabling and Configuration
Setting Dual VEM Enable/Disable
This switch enables Dual VEM to be Enabled or Disabled for a shelf. In a single
shelf configuration the Dual VEM Enable/Disable switch must be set to Disabled.
In a dual shelf (daisy-chained) configuration the Dual VEM Enable/Disable
switch must be set to Enabled. The switch is located at the rear of the shelf (see
Figure 3-3). To set shelf to Enabled the switch should be set to “2”. To set the
shelf to Disabled the switch should be set to “0 or 1”.
Figure 3-3. Dual VEM Enable/Disable Switch Location
Mute
T
emp
SCSI Out
SCSI In
LV
D
SE
PSU 2
0
1
PSU 2 PSU 1
Dual VEM Enable/Disable
VEM Host Shelf
2 0/1
1
2
1
2
