Product guide
QSSC-S4R Server System Product Guide Chapter 1: System Description
Version 1.0
9
INSTALLATION REQUIREMENTS FOR AC REDUNDANT CONFIGURATIONS
The minimum AC redundant configuration is with one PSU plugged into a main AC source, and the second PSU
plugged into a separate AC source (e.g. UPS).
The maximum AC redundant configuration is with two PSU plugged into a main AC source and two other PSU’s
plugged into a separate AC source (e.g. UPS)
Table 5. Maximum DC Loading Requirements
1 +1 (2 PSU) 830W Yes DC Redundancy
2+2 (4 PSU) 1580W Yes DC Redundancy
INSTALLATION REQUIREMENTS FOR AC NON REDUNDANT CONFIGURATIONS
For systems not requiring AC redundancy, the power supply subsystem can be installed with up to 4 PSU’s. The
PSU’s can be connected to a single or multiple AC sources.
Table 6. Maximum DC Loading Requirements
1+0 (1 PSU) 830W No DC Redundancy
2+0 (2 PSU’s) 1580W No DC Redundancy
1+1 (2 PSU’s) 830W Yes DC Redundancy
3+0 (3 PSU’s) 2320W No DC Redundancy
2+1 (3 PSU’s) 1580W Yes DC Redundancy
3+1 (4 PSU’s) 2320W Yes DC Redundancy
Note: Quanta does not validate 1+1 (2 PSU) or 2+1 (3 PSU) with DC Redundancy scenarios. ONLY
2+2 or 3+1 (4 PSU) is supported for DC Redundancy.
IMPORTANT ADDITIONAL INSTALLATION REQUIREMENTS FOR CONNECTION TO SINGLE AC SOURCE!
Note: 1. These additional installation requirements ONLY apply when 4 PSU’s are connected to a high
voltage line (220V or higher).
Note: 2. These requirements DO NOT apply when PSU’s are connected to low voltage lines (100-
127V and 200V) OR if at least one PSU is connected into a separate AC source (e.g. UPS).
Warning These additional installation requirements are REQUIRED to Avoid Risk of High Leakage Current
which may result in Electric Shock.
1. Systems REQUIRE being installed in a location having equipotential bonding (such as a
telecommunication center, a dedicated computer room or a *RESTRICTED ACCESS LOCATION.
* Definition of RESTRICTED ACCESS LOCATION is a location for equipment where both of the
following apply:
Access can only be gained by SERVICE PERSONS or by USERS who have been
instructed about the reasons for the restrictions applied to the location and about any
precautions that shall be taken; and
Access is through the use of a TOOL or lock and key, or other means of security, and is
controlled by the authority responsible for the location.
2. The building installation shall provide means for connection to protective earth as follows:
Connection to protective earth can be provided by the socket-outlet that provides power to the PSU.
A service person requires checking the socket-outlet to make sure it has a protective earth. If the
socket-outlet does not have a protective earth, then the service person requires arranging
A protective earth be connected to the socket-outlet; OR
Installation of a protective earth conductor to the protective earth terminal location provided.
The protective earth connection shall be connected by the protection earth accessory kit
provided.