Dc Power Source Requirements; Dc Supply And Ground Conductor Requirements - Sun Oracle Sun Netra T5440 Installation Manual

DC Power Source Requirements

lists DC power source requirements for each power supply in the Sun
TABLE 4-4
Netra T5440 server, and
as a whole.
DC Operating Power Limits and Ranges for Each Power Supply in the Server
TABLE 4-4
Description
Input voltage
Maximum operating input current
Maximum operating input power
DC Operating Power Limits and Ranges for the Server
TABLE 4-5
Description
Input voltage
Maximum operating input current
Maximum operating input power

DC Supply and Ground Conductor Requirements

The server must meet the following:
Suitable conductor material: use copper conductors only
■
Power supply connections through the input connector: 12 AWG (between the
■
Sun Netra T5440 server and the source). There are three conductors:
-48V (negative terminal)
■
Chassis ground connection
■
-48V Return (positive terminal)
■
System ground conductor: 12 AWG (to be connected to the chassis)
■
Cable insulation rating: Minimum of 75˚C (167˚F), low smoke fume (LSF), flame
■
retardant
Cable type one of the following:
■
UL style 1028 or other UL 1581 (VW-1) compliant equivalent
■
IEEE 383 compliant
■
IEEE 1202-1991 compliant
■
lists DC power source requirements for the server
TABLE 4-5
Limit or Range
-48 VDC to -60 VDC nominal
-40 VDC to -75 VDC operating limits
16 A
640 W
Limit or Range
-48 VDC to -60 VDC nominal
-40 VDC to -75 VDC operating limits
32 A
1280 W
Chapter 4 Cabling the Server 71