APC SYPM2KU User Manual download pdf (Page 4)

N + 1 Redundancy ensures maximum

uptime and continuous availability.

Symmetra Power Array achieves N+1 redundancy

and higher through proven power sharing technolo-

gy. Power sharing means that all of the power mod-

ules in a Power Array run in parallel and share the

load evenly. N+1 redundancy means running one

extra module than will support your full load. In this

way, all of the modules support one another.

For example, if your computer load is 15kVA, you

achieve N+1 with five 4kVA Power Modules. If a

module fails or is removed, the other modules instan-

taneously begin supporting the full load. It does not

matter which module fails because all of the mod-

ules are always running and supporting your load.

N+1 redundancy is used today in disk arrays, in

processor power supplies, and in processors them-

selves. Symmetra allows IT managers using these

products to apply the same N+1 redundancy strate-

gy to their power protection. As critical applications

and databases are moved to smaller machines, the

Symmetra Power Array brings glass house reliabili-

ty to the mid-sized power protection range.

Redundancy

Battery Modules

can be quickly

shifted to other

Power Arrays or

Battery Frames to

manage runtime.

What is N+1 Redundancy ?

Individual

Power Modules

are easily

installed or

removed to

manage

redundancy.

If any module

fails or is

removed, the

other mod-

ules take

over the load.

(Figure 2)

Batt.

Fig. 2

Batt.

Fig. 1

Just as a RAID dis-

tributes data across

multiple drives,

Symmetra’s unique

power sharing tech-

nology allows multi-

ple Power Modules

to share the Power

Array’s connected

load. (Figure 1)

Protect your investment: scalable kVA, runtime, and

redundancy ensure that Symmetra will meet your power

needs now and in the future.

IS Managers want to be able to “pay as they grow” to meet the computing

demands of the future. Changes in datacenter power requirements can make

cost-effective power protection planning difficult. The Symmetra Power Array

provides the flexibility to adapt and grow UPS power and runtime without com-

plete reinvestment.

The Symmetra Power Array is comprised of load-sharing modules so you can

easily build and reconfigure your array. If you add computing power to your data

center, you can add Power Modules, (in increments of 4kVA, or 2kVA for rack-

mount models,) to expand your power capacity. If you need more battery run

time, you can add Battery Modules. And if you re-deploy systems to different

locations, you can move modules from one Power Array to another. All

changes can be made while your systems are running and protected.

Additional Battery Frames can be added to tower models for unlimited runtime.

Scalability

For more information about all APC products, go to www.apcc.com

Scalable Runtime

Additional Battery Modules increase runtime.

Modules are added or moved while systems are

running and protected.

Scalable Power

The Symmetra Power Array integrates load-sharing

modules for easy custom configuration. Additional

4kVA modules, or 2kVA for rack-mount models, expand

power capacity.

Scalable Redundancy

Additional power modules increase redundancy up to

N+4, depending on configuration.

Intelligent Extended Battery Frames

Additional Extended Battery Frames can be daisy-

chained for extended runtime. Models include: the 4-

Bay Battery Cabinet, which can hold up to four Battery

Modules; the 12-Bay Battery Cabinet, which can hold

up to twelve Battery Modules; and the 4-Bay Rack-

mount Cabinet, which can hold up to 4 RM Battery

Modules.

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APC SYPM2KU User Manual Page 4

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