Juniper SRX220 User Manual

CHAPTER 3
Power over Ethernet
•
SRX220 Services Gateway PoE Overview on page 19
•
Configuring PoE Functionality on the SRX220 Services Gateway on page 21
SRX220 Services Gateway PoE Overview
This topic includes the following sections:
•
Introduction on page 19
•
PoE Classes and Power Ratings on page 20
Introduction
Power over Ethernet (PoE) is the implementation of the IEEE 802.3af and IEEE 802.3at
standards, which allow both data and electric power to pass over a copper Ethernet LAN
cable.
The SRX220 Services Gateway with Power over Ethernet (SRX220H-POE) model of the
SRX220 Services Gateway supports PoE on eight ports, which supply electric power over
the same ports that are used to connect network devices. The PoE ports let you plug in
devices that require both network connectivity and electric power, such as IP phones and
wireless access points.
You can configure the services gateway to act as power-sourcing equipment for devices
connected on the designated ports.
Table 11 on page 19 lists the SRX220 Services Gateway PoE specifications.
Table 11: SRX220 Services Gateway PoE Specifications
ValuesPower Management Schemes
•
IEEE 802.3af.
•
IEEE 802.3at (PoE+).
•
Legacy (pre-standards).
Supported standards
Ports 0/0 through 0/7 (interfaces ge-0/0/0
through ge-0/0/7).
Supported ports
120 W.Total PoE power-sourcing capacity
19Copyright © 2012, Juniper Networks, Inc.

Juniper SRX220 Specifications

General

Brand	Juniper
Model	SRX220
Category	Gateway
Language	English