Power Distribution Box Installation GuideH3C S7503-S7506-S7506R Ethernet SwitchesiTable of ContentsChapter 1 H3C S7503-S7506-S7506R Ethernet Switches PowerDistribution Box Installation Guide .............................................1-11.1 Appearance of AC Power Distribution Box ........................1-11.1.1 Dual-Input AC Power Distribution Box for S7503 .......1-11.1.2 Single-Input AC Power Distribution Box forS7506/S7506R .................................................................1-21.1.3 Dual-Input AC Power Distribution Box forS7506/S7506R .................................................................1-31.2 Appearance of DC Power Distribution Box........................1-41.2.1 DC Power Distribution Box for S7503 .....................1-41.2.2 DC Power Distribution Box for S7506/S7506R .......1-51.3 Installing a Power Distribution Box ....................................1-71.4 Removing a Power Distribution Box ..................................1-91.5 Installing a DC Power Cable ............................................1-111.6 Removing a DC Power Cable ..........................................1-12