Installation Manual
H3C S7500 Series Ethernet Switches
Chapter 1 Product Overview
1-22
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
