Environmental Requirements
Caution -
When connecting the ground wire to the power supplies, a small service loop must be
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.
■
Power supply connections through the input connector — 8 AWG (between the server and
the source). There are three conductors:
■
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).
■
Server chassis ground 8 AWG conductor (optional if power supply grounds are connected).
■
Grounding cable insulation color — Green/yellow.
■
Cable insulation rating — Minimum of 167˚F (75˚C). Low smoke fume, flame retardant
insulation might be required in some installations.)
■
Use mating connectors for proper connection to the product DC inputs. Connectors are
included in the server's shipping kit.
■
Branch circuit cable insulation color — According to applicable national electrical codes.
■
DC power source must meet TNV-2 requirements as defined by UL 60950-1 and IEC
60950-1.
Related Information
■
“Physical Specifications” on page 17
■
“Electrical Specifications” on page 18
■
“Input Power Information” on page 19
■
“DC Power Source, Power Connection, and Grounding Requirements” on page 21
■
“Overcurrent Protection Requirements” on page 20
■
“Environmental Requirements” on page 22
■
“Acoustic Noise Emissions” on page 23
■
“Airflow Precautions” on page 24
Environmental Requirements
Caution -
Netra rackmounted servers are certified to meet these worst-case operating conditions
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
Summary of Contents for Netra SPARC S7-2
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