Dot Hill Systems SANnet II 200, Installation, Operation And Service Manual

Page: 24 / 186

2-4 SANnet II 200 SCSI Array Installation, Operation, and Service Manual • June 2005
Note –
To ensure power redundancy, connect the two SANnet II 200 SCSI power
modules to two separate circuits (for example, one commercial circuit and one UPS).
2.5 Physical Specifications
Use the following physical specifications to plan the location of your array.
2.6 Layout Map
It is helpful to create a sketch or layout map to indicate the exact location for the
SANnet II 200 SCSI array installation as well as the location of the hosts, console, and
Ethernet connections that will be connected to it.
As you lay out the components, consider the cable lengths that will be used.
2.6.1 Rack Placement
Follow these guidelines when preparing a rackmount placement for your system.
■
Ensure that the floor surface is level.
■
Leave enough space in front of the rack to access components for servicing.
■
Leave enough space in back of the rack to access components for servicing.
Table 2-2 Power Specifications
AC power:
Voltage and frequency 90 to 264 VAC, 47 to 63 Hz
Input current:
5A max
Power-supply output
voltages:
+5 VDC and +12 VDC
DC power:
–48 VDC (–36 VDC to –72 VDC)
Table 2-3 Physical Specifications
Category Description
Dimensions 2U (3.5-in.) height
20-in.(50.8 cm) chassis depth
17.5-in.(19 in.with ears) width
Installation
clearances For FRU removal and replacement, 15-in. (37 cm) is required
front and back.
Cooling clearances 6-in. (15 cm) is required front and back. No cooling clearance
is required on the sides or the top and bottom of the array.