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Sustainability
Cisco Catalyst switching solutions enable greener practices through measurable power efficiency, integrated
services, and continuous innovations such as Cisco EnergyWise, an enterprisewide solution that monitors and
conserves energy with customized policies. Together, Cisco EnergyWise technology and Cisco Catalyst switches
reduce greenhouse gas (GhG) emissions and increase energy cost savings and sustainable business behavior.
Sustainability features in the Cisco Catalyst 2960-S and 2960 Series Switches include the following features sets:
Cisco EnergyWise technology
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Efficient switch operation
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Intelligent power management
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Cisco EnergyWise Technology
Cisco EnergyWise is an innovative architecture, added to fixed configuration switches, promoting companywide
sustainability by reducing energy consumption across an entire corporate infrastructure and affecting more than 50
percent of global greenhouse gas emissions created by worldwide building infrastructure, a much greater effect than
the 2 percent generated by the IT industry. Cisco EnergyWise enables companies to measure the power
consumption of network infrastructure and network-attached devices and manage power consumption with specific
policies, reducing power consumption to realize increased cost savings, potentially affecting any powered device.
EnergyWise encompasses a highly intelligent network-based approach to communicate messages that measure
and control energy between network devices and endpoints. The network discovers Cisco EnergyWise-manageable
devices, monitors their power consumption, and takes action based on business rules to reduce power consumption.
EnergyWise uses a unique domain-naming system to query and summarize information from large sets of devices,
making it simpler than traditional network management capabilities. Cisco EnergyWise's management interfaces
allow facilities and network management applications to communicate with endpoints and each other using the
network as a unifying fabric. The management interface uses standard SNMP or TCP to integrate Cisco and third-
party management systems.
Efficient Switch Operation
Cisco Catalyst 2960-S and 2960 Series Switches, designed and engineered by Cisco, provide optimum power
saving, low power operations for industry best-in-class power management, and power consumption capabilities.
The Cisco Catalyst 2960-S ports are capable of reduced power modes so that ports not in use can move into a lower
power utilization state.
Intelligent Power Over Ethernet Management
The Cisco Catalyst 2960-S PoE models support the latest PoE+ devices including Cisco IP phones and Cisco
Aironet WLAN access points providing up to 30W of power per port, as well as any IEEE 802.3af-compliant end
device.
Per Port Power Consumption command allows customers to specify maximum power setting on an
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individual port
Per Port PoE Power Sensing measures actual power being drawn, enabling more intelligent control of
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powered devices
Cisco Discovery Protocol Version 2 allows switches to negotiate a more granular power setting when
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connecting to a Cisco powered device such as IP phones or access points than what is provided by
IEEE classification
The PoE MIB provides proactive visibility into power usage and allows customers to set different
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power-level thresholds
© 2010 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
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