Protecting Hardware - Dell EqualLogic PS4210 Installation And Setup Manual

PS4210 Installation Guide
• For the ReadyRails™ II rail kits, the distance between the outside surfaces of the front and
rear rack posts (the mounting surfaces) can range from 595 mm to 914 mm (23.4" to 36.0")
for square-hole racks, 581 mm to 907 mm (22.9" to 35.7") for round-hole racks, and 595 mm
to 929 mm (23.4" to 36.6") for threaded-hole racks.
• The rack is secured to the floor for added stability.
• Load a rack with arrays from the bottom to the top.
• There is at least 4.1 cm (1.6 inches) between the rack door and the front of the array to
accommodate the array front bezel.
• The rack (with installed arrays) meets the safety requirements of UL 60950-1 and IEC
60950-1, available at
• Mount the array in a horizontal orientation or you will void your array warranty and support
contract.
Environmental Requirements
The rack location must meet the following environmental requirements:
• The power source can supply a voltage range of 100V to 240V AC.
• The power source has sufficient electrical overload protection:
In North America, connect the array to a source of power with over-current protection
provided by a double pole 20A or less device (UL 489 circuit breakers).
In Europe, the over-current protection must be provided by a 20A or less device (IEC
circuit breakers).
• There is sufficient space for airflow in front of and behind the array.
• The location is properly vented.
• Your environment supports all of the requirements listed in the
page 31.

Protecting Hardware

Protect your PS Series array from electrostatic discharge. When handling array hardware, u se an
electrostatic wrist strap or a similar form of protection. To use a wrist strap:
1. Connect the steel snap on the coil cord to the stud on the elastic band. See Figure 1.
Figure 1: Using an Electrostatic Wrist Strap
2. Fit the band tightly around your wrist.
4
ulstandardsinfonet.ul.com/scopes/scopes.asp?fn=60950-1.html.
2 Rack Mounting the Array
T echnical Specifications on