Electrical Considerations; Circuit Overloading; Grounding - Adaptec RAIDStation RS/7F User Manual

Electrical Considerations

Circuit Overloading

Care should be taken to ensure that the current does not exceed the rating of the
power source circuitry. This includes cabling, power distributions, filters and any
other components through which the main AC flows. The power requirements of
the RAIDstation7 Fibre Channel Storage Array (both tower and rackmount) is
given in Table 2-1and Table 2-2.
Table 2-1 AC Power requirements (47 to 63 Hz)
Amps
1.5
3
These power requirements must be added to the power demands of any other
electrical devices installed in the equipment rack to calculate the total power con-
sumption of the complete system. In addition, any surge currents must be consid-
ered. Hard disk drives normally consume greater than twice the amount of current
at start-up time than they use during steady state operation.

Grounding

Adaptec recommends that all rackmount Storage Array shelves be grounded to a
common point in the equipment rack. Each shelf should have a grounding braid
running from it to this common grounding point (see Figure 2-1 ). A point for
securing the grounding braid is provided at the rear of Adaptec rackmount cabi-
nets.
Unpacking and Initial Setup
Volts (AC)
187 to 264
85 to 132
2-3