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	Symmetra PX

Symmetra PX
Scalable, redundant power protection for
centralized IT equipment in medium to large data centers

　大型公司计算和存储技术的进步，越来越多的的电源的需求，要求电源保护技术随之而变化。Symmetra PX 由模块化的部件构成，它具有3相输入、3相输出，这种模块化结构，为构建和衡量一个几近永不间断，同时又具备灵活的电源容量范围的高可用电源系统奠定了基础。Symmetra PX 将方便升级的电源容量和电池后备运行时间等高可用性需求，集成到占地面积非常小的机柜空间中，配合APC全线数据中心保护管理软件和附件，为数据中心保护提供4个最关键的基础。

性能与优势

　可用性

冗余特性	添加其它电源模块的能力提供了 N+1 冗余并且增强了解决方案的可用性。
更长的延时时间	能够添加更多的电池，以便在供电发生故障时延长为负荷供电的时间。
内置静态旁路开关	The built-in static bypass switch enables the UPS to transfer the load to utility power, without interruption, in case of heavy overload or faulty conditions.

经济性

全额定电源，kVA 等于 kW	Symmetra PX 的全额定反向变流器非常适用于今天功率因素校正的负荷，因此无需特大型UPS
温度补偿蓄电池充电	Temperature Compensated Battery Charging provides prolonged battery life by regulating the charge voltage according to actual battery temperature.
可升级电源容量	The modular design of the Symmetra PX allows the user to add power modules as required. Thus the user will be able to deploy UPS protection in a "pay as you grow" approach.

　可服务性

自动自检	UPS可以每二周进行一次自检，以确保电池失效之前能够及时得到告警。通过软件，或者按自检按钮，此操作可以随时进行。
热更换电池	The modular battery design provides ease of maintenance and reduces Mean Time To Repair. A service engineer or trained user can easily swap a battery module in a matter of minutes while the UPS remains on-line.
模块水平维修	The modular fault-tolerant design ensures system availability, until service can be performed, and reduces the risk of human errors.
前面维护	The front-access feature makes installation and maintenance easy and minimizes space requirements.

　易管理性

内置Web/SNMP管理	Provides full UPS management via multiple open standards like Telnet, HTTP, SNMP and pager notifications. It is a full-featured, robust power management product that is certified for and integrates with all other APC management products.
智能电池管理	The Symmetra PX features advanced battery monitoring and temperature-compensated battery charging. Battery data is continuously compared to preprogrammed data in the monitoring software to ensure reliable batteries. A reduction in battery capacity automatically triggers an alarm.
多台UPS关断	Multiple System Shutdown enables the UPS to communicate reliably with all servers connected and provides gentle, unattended shutdown should an extended power outage occur.
智能插槽	By adding APC accessory cards into the SmartSlot you can monitor power conditions and take actions accordingly. The addition of the accessory cards increases overall system availability by proactively notifying you of conditions that could affect uptime (accessories sold seperately).