外部直流电输入到PoE电源模块PWR后,输出12V和-53V电压,在主板上分别进行合路后,12V电压提供给设备供电,-53V电压提供给PD设备供电。 图4-199 双直流PoE电源供电方式 NEG:负极电源线 RTN:正极电源线 GND:12V参考地 RTN:-53V参考地 散热原理 S5720-28X-PWR-SI-AC设备内置1个风扇,散热类型为风扇强制散热,...
S5720I-28X-PWH-SI-AC设备的电源配置方式为内置双电源模块供电,不支持可插拔的电源模块。双电源全部连接时电源对主机供电为1+1冗余备份方式。 PoE供电采用两种模式: 大功率供电模式(默认模式):当使用双电源时,两个电源分别为前8个电口和后16个电口提供369.6W的PoE功率,整机可提供739.2W的PoE功率。当双电源中有...
S5720-28X-PWR-SI-ACS5720-28X-PWR-SI-AC 产品系列: S3700&S5700&S6700 系列 产品子系列: S5720-SI文档 案例 软件 产品公告 工具 视频 社区 S1720&S2700&S5700&S6720 V200R010C00 例行维护 S1720&S2700&S5700&S6720 V200R009C00 例行维护 S2750EI&S5700&S6720EI V200R008C00 例行维护 S...
S5720-28X-PWR-SI-AC切换产品 产品介绍 S5700系列以太网交换机是华为公司为满足大带宽接入和以太多业务汇聚而推出的新一代绿色节能的全千兆高性能以太交换机。它基于新一代高性能硬件和华为公司统一平台,具备大容量、高可靠(双电源插槽和硬件级以太OAM)、高密度千兆端口,可提供万兆上行,支持EEE能效以太网和iStack智...
S5720I-28X-PWH-SI-AC S5730-SI S5700-EI S5710-EI S5720-EI S5730S-EI S5700-HI S5710-HI S5720-HI S5730-HI S5731-L S5731S-L S5751-L S5731-S S5731S-S S5731-H S5731-H-K S5731S-H S5732-H S5732-H-K S5735-L
S5720I-28X-PWH-SI-AC S5730-SI S5700-EI S5710-EI S5720-EI S5730S-EI S5700-HI S5710-HI S5720-HI S5730-HI S5731-L S5731S-L S5751-L S5731-S S5731S-S S5731-H S5731-H-K S5731S-H S5732-H S5732-H-K S5735-L
S5720I-28X-PWH-SI-AC S5730-SI S5700-EI S5710-EI S5720-EI S5730S-EI S5700-HI S5710-HI S5720-HI S5730-HI S5731-L S5731S-L S5751-L S5731-S S5731S-S S5731-H S5731-H-K S5731S-H S5732-H S5732-H-K S5735-L
S5720I-28X-PWH-SI-AC S5730-SI S5700-EI S5710-EI S5720-EI S5730S-EI S5700-HI S5710-HI S5720-HI S5730-HI S5731-L S5731S-L S5751-L S5731-S S5731S-S S5731-H S5731-H-K S5731S-H S5732-H S5732-H-K S5735-L
S5720I-28X-PWH-SI-AC S5730-SI S5700-EI S5710-EI S5720-EI S5730S-EI S5700-HI S5710-HI S5720-HI S5730-HI S5731-L S5731S-L S5751-L S5731-S S5731S-S S5731-H S5731-H-K S5731S-H S5732-H S5732-H-K S5735-L
S5720I-28X-PWH-SI-AC S5730-SI S5700-EI S5710-EI S5720-EI S5730S-EI S5700-HI S5710-HI S5720-HI S5730-HI S5731-L S5731S-L S5751-L S5731-S S5731S-S S5731-H S5731-H-K S5731S-H S5732-H S5732-H-K S5735-L