H3C S7500 Series Ethernet Switches Installation Manual

Installation Manual
H3C S7500 Series Ethernet Switches Chapter 1 Product Overview
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III. DC power module
For DC power supply, you should use DC power modules and DC power distribution
boxes.
Table 1-15 Specifications for DC power module
Item Specification
Rated voltage range –48 VDC to –60 VDC
Input voltage range –36 VDC to –72 VDC
Maximum output power 450 W
1.5.5 PoE Power Supply
The S7500 series support power-over-Ethernet (PoE). Equipped with power sourcing
equipment (PSE) and PoE-capable boards, the S7500 series can provide –48 VDC
power to remote powered devices (PDs) such as IP Phones, WLAN APs, and network
cameras through twisted pairs. Choose a chassis that supports PoE if PoE is needed.
Figure 1-15 Power sourcing equipment–PSE2500-A3