Environmental Requirements; Overcurrent Protection Requirements - Oracle Netra SPARC S7-2 Installation Manual

Environmental Requirements

Caution -
kept in the ground wire to ensure that if there is strain on the supply wires, the ground wire will
be the last to receive that strain.
Suitable conductor material — use copper conductors only.
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Power supply connections through the input connector — 8 AWG (between the server and
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the source). There are three conductors:
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Server chassis ground 8 AWG conductor (optional if power supply grounds are connected).
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Grounding cable insulation color — Green/yellow.
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Cable insulation rating — Minimum of 167˚F (75˚C). Low smoke fume, flame retardant
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insulation might be required in some installations.)
Use mating connectors for proper connection to the product DC inputs. Connectors are
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included in the server's shipping kit.
Branch circuit cable insulation color — According to applicable national electrical codes.
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DC power source must meet TNV-2 requirements as defined by UL 60950-1 and IEC
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60950-1.
Related Information
"Physical Specifications" on page 17
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"Electrical Specifications" on page 18
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"Input Power Information" on page 19
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"DC Power Source, Power Connection, and Grounding Requirements" on page 21
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"Overcurrent Protection Requirements" on page 20
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"Environmental Requirements" on page 22
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"Acoustic Noise Emissions" on page 23
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"Airflow Precautions" on page 24
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Environmental Requirements

Caution -
only when using an approved rackmount kit. You must strictly follow the rackmounting
instructions in order to meet these environmental specifications.
22 Netra SPARC S7-2 Server Installation Guide • January 2017
When connecting the ground wire to the power supplies, a small service loop must be
Chassis ground connection (optional if chassis ground wire is connected).
-48V or -60V (negative terminal, might be marked with a minus (-) symbol).
-48V or -60V return (positive terminal, might be marked with a plus (+) symbol).
Netra rackmounted servers are certified to meet these worst-case operating conditions