3Com 7750 Series Manuel de l'utilisateur - Page 3
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PoE Power Rack Installation Guide
Switch 7750 PoE Power Rack
The 3Com Switch 7750 PoE power rack is a modular stand-alone Power over Ethernet power source. The
PoE Power Rack provides a total of 2500Watts of DC power with N+1 power redundancy for PoE powered devices
connected to the Switch 7750 Chassis.
Architecture and Configurations
The PoE Power Rack architecture integrates DC power supply modules (maximum 3), a system controller,
and power distribution module in a 4-RU high chassis. The system controller provides local monitoring and control
of the device. The general configuration is as follows:
Table 1-1 PoE Power Rack standard configuration
Description
4U high chassis
System controller
SWITCH 7750 PoE Power Supply
Module
AC distribution components
Figure 1-1 Switch 7750 PoE Power Rack
Introduction
D x W x H- 380 x 486 x 177 mm(14.96 x 19.13 6.97 in)
One
One installed (3 total for power redundancy)
1) Three independent AC power input sockets – Three AC Power switches
2) 3-phase AC voltage sensor
2-1
Standard Configuration
Introduction