IBM System Storage TS7650G 3958 DD4 Installation Roadmap Manual page 23

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C031
CAUTION:
The power-control button on the device does not turn off the electrical current
supplied to the device. The device might also have more than one connection to
dc power. To remove all electrical current from the device, ensure that all
connections to dc power are disconnected at the dc power input terminals.
(C031)
C032
CAUTION:
Servicing of this product or unit is to be performed by trained service personnel
only. (C032)
C033
CAUTION:
To reduce the risk of electric shock or energy hazards:
v This equipment must be installed by trained service personnel in a
v Connect the equipment to a reliably grounded, safety extra low voltage (SELV)
v The branch circuit overcurrent protection must be rated per the following
v Use copper wire conductor only, not exceeding 3 m (9.8 ft.) in length and sized
v Torque the wiring-terminal screws to the values in the following table.
v Incorporate a readily available approved and rated disconnect device in the
(C033)
The following table appears in the product documentation with actual values
substituted for xxx:
restricted-access location, as defined by the NEC and IEC 60950, The Standard
for Safety of Information Technology Equipment.
source. An SELV source is a secondary circuit that is designed so that normal
and single fault conditions do not cause the voltages to exceed a safe level (60
V direct current).
table.
according to the following table.
field wiring.
Circuit breaker rating
Wire size
Wiring-terminal screw torque
Minimum: xxx amps
Maximum: xxx amps
xxx AWG
xxx mm2
xxx inch-pounds
xxx newton-meters
Safety, danger, caution notices and labels
xxi

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