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Q&A
CISCO CATALYST 3550 SERIES SWITCHES
PROGRAM OVERVIEW
®
Q.
What are the Cisco
Catalyst® 3550 Series Switches?
A.
The Cisco Catalyst 3550 Series Switches are a line of enterprise-class, stackable, multilayer switches that provide high
availability, security, and quality of service (QoS) to enhance the operation of the network. With a range of Fast Ethernet
and Gigabit Ethernet configurations, the Cisco Catalyst 3550 Series can serve as both a powerful access-layer switch for
medium-sized enterprise wiring closets and as a backbone switch for midsized networks. For the first time, customers
can deploy networkwide intelligent services, such as advanced QoS, rate-limiting, Cisco security access control lists
(ACLs), multicast management, and high-performance IP routing-while maintaining the simplicity of traditional LAN
switching. Cisco Network Assistant offers centralized management and configuration of the Catalyst 3550 Series to
simplify deployment and ongoing maintenance by using Cisco Smartports technology. Cisco Network Assistant is a PC-
based network management application optimized for networks of small and medium-sized businesses (SMBs) with up to
250 users. Through a user-friendly GUI, users can easily apply common services such as configuration management,
inventory reports, password synchronization, and Cisco IOS
routers, and access points. Cisco Network Assistant is available at no cost and can be downloaded from Cisco.com.
The Cisco Catalyst 3550-24 PWR Switch can provide a lower total cost of ownership for deployments that incorporate
Cisco IP phones and/or Cisco Aironet
every 10/100 port, the switch provides maximum device support and eases new technology deployments by eliminating
the need for wall power to each IP phone or wireless LAN access point. Additionally, delivering power through the Cisco
Catalyst 3550-24 PWR Switch eliminates the cost for additional electrical cabling that would otherwise be necessary in
wireless LAN and IP phone deployments. Maximum power availability for a converged voice and data network is
attainable when a Cisco Catalyst 3550 Series Switch is combined with the Cisco RPS 675 (RPS 675) for easy protection
against internal power supply failures and an uninterruptible power supply (UPS) system to safeguard against power
outages.
Table 1 shows the complete list of Cisco Catalyst 3550 Series Switches.
Table 1.
Cisco Catalyst 3550 Series Switches
Product Name
Cisco Catalyst 3550-48
Cisco Catalyst 3550-48
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®
wireless LAN access points. With up to 15 watts (W) of integrated inline power on
Part Number
Description
● 48 10/100 ports and 2 GBIC-based Gigabit Ethernet ports
WS-C3550-48-EMI
● 1 rack unit (RU) stackable, multilayer switch
● Delivers enterprise-class intelligent services to the network edge
● Enhanced Multilayer Software Image (EMI) installed
● Provides advanced IP routing
● 48 10/100 ports and 2 GBIC-based Gigabit Ethernet ports
WS-C3550-48-SMI
● 1 RU stackable, multilayer switch
● Delivers enterprise-class intelligent services and basic IP routing to the network edge
● Standard Multilayer Software Image (SMI) installed, upgradeable to advanced IP routing
®
Drag-and-Drop Upgrade across Cisco SMB-class switches,
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