Srx240 Services Gateway Power Over Ethernet Support; Srx240 Services Gateway Power Over Ethernet Overview; Introduction - Juniper SRX240 Hardware Manual

CHAPTER 4
SRX240 Services Gateway Power over
Ethernet Support

SRX240 Services Gateway Power over Ethernet Overview

Introduction

Copyright © 2013, Juniper Networks, Inc.
This chapter includes the following topics:
SRX240 Services Gateway Power over Ethernet Overview on page 25
Configuring Power over Ethernet on the SRX240 Services Gateway on page 27
This topic includes the following sections:
Introduction on page 25
PoE Classes and Power Ratings on page 26
Power over Ethernet (PoE) provides a device the capability to transmit both data and
electric power over a copper Ethernet LAN cable.
The PoE-capable models of the SRX240 Services Gateway (see
Gateway Models" on page
electrical power and data, to remote devices over a standard twisted-pair cable in an
Ethernet network. PoE ports allow you to plug in devices that require both network
connectivity and electric power, such as wireless LAN access points, and VoIP telephones.
You can configure the services gateway to act as power sourcing equipment for devices
connected to the PoE ports.
Table 14 on page 25 lists the PoE specifications for SRX240 Services Gateway.
Table 14: SRX240 Services Gateway PoE Specifications
Power Management Schemes
Supported standards
4) PoE on all Gigabit Ethernet ports. The PoE ports transfer
Values
IEEE 802.3 AF
IEEE 802.3 AT (PoE+)
Legacy (pre-standards)
"SRX240 Services
25