Specifications

Data Sheet
© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 6 of 14
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Network discovery, topology views, end-station tracking, and VLAN management
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Real-time network fault analysis with easy-to-deploy device-specific best-practice templates
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Hardware and software inventory management, centralized configuration tools, and syslog
monitoring
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Network response time and availability monitoring and tracking
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Real-time device, link, and port traffic management, analysis, and reporting
Table 1 gives the features and benefits of the Cisco Catalyst 2975 LAN Base Switch. Table 2 gives
the hardware specifications, and Table 3 gives the power specifications. Table 4 lists the
management and standards support, and Table 5 provides the safety and compliance information.
Table 1. Features and Benefits of Cisco Catalyst 2975 LAN Base Switch
Feature Benefit
Ease of Use and
Deployment
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Single configuration file for a stack of up to nine switches
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Auto provisioning and software image update for new stack members
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Express Setup simplifies initial configuration with a web browser, eliminating the need for more
complex terminal emulation programs and CLI knowledge.
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IEEE 802.3af and Cisco prestandard PoE support comes with automatic discovery to detect a Cisco
prestandard or IEEE 802.3af endpoint and provide the necessary power without any user
configuration.
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Auto Install for configuration and Image update: Simplify management of large number of switches,
by automatically downloading specified configuration and image.
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DHCP autoconfiguration of multiple switches through a boot server eases switch deployment.
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Automatic QoS (Auto QoS) simplifies QoS configuration in voice-over-IP (VoIP) networks by issuing
interface and global switch commands to detect Cisco IP phones, classify traffic, and enable egress
queue configuration.
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Autosensing on each 10/100/1000 port detects the speed of the attached device and automatically
configures the port for 10- or 100- or 1000- Mbps operation, easing switch deployment in mixed 10-
and 100-Mbps and 1000-Mbps environments.
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Autonegotiating on all ports automatically selects half- or full-duplex transmission mode to optimize
bandwidth.
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Dynamic Trunking Protocol (DTP) helps enable dynamic trunk configuration across all switch ports.
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Port Aggregation Protocol (PAgP) automates the creation of Cisco Fast EtherChannel
®
groups or
Gigabit EtherChannel groups to link to another switch, router, or server.
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Link Aggregation Control Protocol (LACP) allows the creation of Ethernet channeling with devices
that conform to IEEE 802.3ad. This feature is similar to Cisco EtherChannel technology and PAgP.
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DHCP Server enables a convenient deployment option for the assignment of IP addresses in
networks that do not have without a dedicated DHCP server.
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DHCP Relay allows a DHCP relay agent to broadcast DHCP requests to the network DHCP server.
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1000BASE-T, 1000BASE-SX, 1000BASE-LX/LH, 1000BASE-ZX, 1000BASE-BX, 100BASE-FX,
and CWDM physical interface support through a field-replaceable SFP module provides
unprecedented flexibility in switch deployment.
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The default configuration stored in flash memory helps ensure that the switch can be quickly
connected to the network and can pass traffic with minimal user intervention.
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Automatic medium-dependent interface crossover (Auto-MDIX) automatically adjusts transmit and
receive pairs if an incorrect cable type (crossover or straight-through) is installed on a copper port.
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Time-domain reflectometer (TDR) to diagnose and resolve cabling problems on copper ports.
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Configuration Rollback provides the capability to replace the current running configuration with any
saved Cisco IOS Software configuration file. This functionality can be used to revert to a previous
configuration state, effectively rolling back any configuration changes that were made since that
configuration file was saved.
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DHCP Auto Install (Boot Host DHCP) and Auto Image Update allows the switch to automatically
download a configuration file and IOS Software image.