IBM EXN1000, Hardware And Service Manual, Page: 34 / 94

Table 2. EXN1000 electrical requirements
Input voltage 100 to 120V 200 to 240V
Worst-case Typical
single
PSU/
system
Worst-case Typical
single
PSU/
system
Input current
measured, A
7.2K drives 2.85 1.56/3.12 1.43 0.78/1.56
Input power
measured, W
7.2K drives 284 155/310 283 152/304
Thermal
dissipation,
BTU/hr
7.2K drives 968 529/1058 964 517.5/1035
Inrush peak, A 7.2K drives 21 20 12.5 12.0
Input power frequency, Hz 50 to 60
Maximum electrical power 7 A 3.5 A
Note: Worst-case indicates a system running with one PSU and high fan
speed. Typical indicates a system running two PSUs on two circuits.
Checking shipment package contents
Make sure that your shipment package includes the following items, in
addition to the IBM System Storage EXN1000 Storage Expansion Unit Hardware
and Service Guide :
v EXN1000 Installation and Setup Instructions .
v
An EXN1000 expansion unit containing the power supplies and SATA disks
you ordered.
v FC-AL cables and power cords, as ordered.
v
A rail kit for mounting the EXN1000 in a standard 19–inch rack may also be
included.
Rules for installing EXN1000 expansion units in a rack
You need to observe the following rules and restrictions when installing an
EXN1000 expansion unit in a standard 19-inch (48.26 cm) equipment rack
with mounting rails:
4