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Cisco WS-C3550-48-EMI
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MFG PART #:

WS-C3550-48-EMI

UC SKU #:

67637

Q

gigabit ports

is 2 gigabit cat 6 or 2 gigabit fiber?? or only fiber??

Posted on 04/22/2011 at 02:29PM by Anonymous
A

The WS-C3550-48-EMI switch comes with 2 slots for GBICs (GigaBit Interface Cards). You will need to purchase the GBICs that suits your needs separately.
You may want to take look at these:

  • WS-G5482 for copper RJ45
  • WS-G5484 for Short Wavelength multimode fiber
  • WS-G5486 for longhaul single/multimode fiber
  • WS-G5487 for extended reach singlemode fiber
Posted on 04/29/2011 at 03:38AM by Anton

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Q

I still do not understand what is the difference between refurbished vs. pre-owned. Please explain.

Posted on 03/30/2011 at 10:45AM by Anonymous
A

Hi,

Thanks for contacting us. Please check this FAQ article:

What is the difference between refurbished, Guaranteed Pre-owned and used?

If you have more questions, please contact our sales team at :

http://www.usedcisco.com/quotes/request_for_quote

Thanks
- UC Team

Posted on 05/24/2011 at 02:28PM by TheHardwareGenius

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Q

what is this

Posted on 06/29/2010 at 04:59AM by Anonymous
A

Please be more descriptive.

Posted on 08/11/2010 at 11:10AM by TheHardwareGenius

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Q

how to remove access list

Posted on 06/16/2010 at 01:47PM by shambhu
A

To remove an access list type
no access-list MY_ACCESS_LIST
With the name or a number of the access list in place of “MY_ACCESS_LIST”.
My advice is to remove the usage of the access list before removing the access list itself. For example
inter fa0/0
no access-group MY_ACCESS_LIST in
If you delete an access list that is used in some place of configuration it can start blocking all the traffic using the implicit deny when calling the empty access list.

Posted on 06/18/2010 at 01:09PM by Anton

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Q

is this a layer 3 switch?

Posted on 04/19/2010 at 04:47PM by Anonymous
A

Yes!

Posted on 04/20/2010 at 09:43AM by Joshua

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The Cisco Catalystr 3550 48 EMI is a member of the Catalyst 3550 Series Intelligent Ethernet Switches, 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 Catalyst 3550 Series can serve as both a powerful access layer switch for medium enterprise wiring closets, as a backbone switch for mid-sized networks, and also for the edge of metro access networks.

For the first time, customers can deploy network-wide intelligent services, such as advanced quality of service (QoS), rate-limiting, Cisco security access control lists, multicast management, and high-performance IP routing-while maintaining the simplicity of traditional LAN switching.

Embedded in the Catalyst 3550 Series is the Cisco Cluster Management Suite (CMS) Software, which allows users to simultaneously configure and troubleshoot multiple Catalyst desktop switches using a standard Web browser. Cisco CMS Software provides new configuration wizards that greatly simplify the implementation of converged applications and network-wide services.

Cisco WS-C3550-48-EMI General Information

Manufacturer: Cisco Systems, Inc
Brand Name: Cisco
Product Line: Catalyst
Product Series: 3550
Product Name: Catalyst 3550-48 Ethernet Switch
Product Type: Ethernet Switch

Cisco WS-C3550-48-EMI Interfaces/Ports

Number of Ports: 48
Fast Ethernet Port: Yes
Interfaces/Ports: 48 x RJ-45 10/100Base-TX LAN
Interfaces/Ports: 1 x RJ-45 Console Management

Cisco WS-C3550-48-EMI Media & Performance

Connectivity Media: Category 3 UTP 10Base-T
Connectivity Media: Category 4 UTP 10Base-T
Connectivity Media: Category 5 UTP 10/100Base-TX
Performance: 13.6Gbps Switching Fabric
Performance: 10.1Mpps Forwarding Rate for 64-byte Packet
Performance: 6.8Gbps Forwarding Bandwidth at Layer 2 and Layer 3

Cisco WS-C3550-48-EMI I/O Expansions

Number of Expansion Slots: 2
Expansion Slots: (2 Total) GBIC
Modules: Not Included

Cisco WS-C3550-48-EMI Network & Communication

Address Table: 8K MAC Addresses

Cisco WS-C3550-48-EMI Management & Protocols

Manageable: Yes
Management:
  • SNMP
  • Telnet
  • RMON
  • CWSI
  • CLI-based out-of-band
  • embedded CMS
  • SNMP
  • Telnet
  • RMON
  • CWSI
  • CLI-based out-of-band
  • embedded CMS
Protocols: WCCP
Protocols: BGP v4
Protocols: OSPF
Protocols: EIGRP
Protocols: IGRP
Protocols: RIP v1.0
Protocols: RIP v2.0
Protocols: NTP
Protocols: PIM
Protocols: DNS
Protocols: CGMP
Protocols: HSRP
Protocols: TFTP
Protocols: STP
Protocols: ARP
Protocols: DVMRP
Protocols: DHCP
Protocols: IGMP

Cisco WS-C3550-48-EMI Memory

Standard Memory: 64MB
Flash Memory: 16MB

Cisco WS-C3550-48-EMI Software

Operating System: Enhanced Multilayer Software Image (EMI) installed

Cisco WS-C3550-48-EMI Storage

Storage: Not Applicable

Cisco WS-C3550-48-EMI Controls/Indicators

Status Indicators: Per-port status LEDs:
  • Link integrity
  • Disabled
  • Activity
  • Speed
  • Full-duplex indications

    System status LEDs:
  • System
  • RPS
  • Bandwidth utilization indications
    		•

    Cisco WS-C3550-48-EMI Reliability

    MTBF: 163000Hour

    Cisco WS-C3550-48-EMI Power Description

    Input Voltage: 110V AC
    Input Voltage: 220V AC
    Input Voltage Range: 100V AC to 127V AC
    Frequency: 50 Hz to 60 Hz
    Power Consumption: Up to 110 W

    Cisco WS-C3550-48-EMI Environmental Conditions

    Temperature: -13 degrees F (-25.0 degrees C) to 158 degrees F (70.0 degrees C) Storage
    Temperature: 32 degrees F (0.0 degrees C) to 113 degrees F (45.0 degrees C) Operating
    Humidity: 10% to 85% Non-condensing Relative Humidity Operating
    Altitude: 15000 ft Maximum Storage
    Altitude: 10000 ft Maximum Operating
    Thermal Dissipation: 375 BTU/h

    Cisco WS-C3550-48-EMI Physical Characteristics

    Dimensions: 1.75 Height x 17.5 Width x 16.3 Depth
    Shipping Dimensions: 8.25 Height x 22 Width x 22.5 Depth
    Weight: 13lb

    Cisco WS-C3550-48-EMI Miscellaneous

    Additional Information:
    • Configurable up to 16,000 unicast routes
    • Configurable up to 2,000 multicast routes
    • Configurable Maximum Transmission Unit (MTU) of up to 1,546 Bytes for bridging of MPLS tagged frames

      Acoustic Noise:
    • ISO 7770, bystander position operating to an ambient temperature of 30 degrees Celsius: 46 dBa
    • Configurable up to 16,000 unicast routes
    • Configurable up to 2,000 multicast routes
    • Configurable Maximum Transmission Unit (MTU) of up to 1,546 Bytes for bridging of MPLS tagged frames

      Acoustic Noise:
    • ISO 7770, bystander position operating to an ambient temperature of 30 degrees Celsius: 46 dBa
    Certifications & Standards: Safety Certifications:
  • UL to UL 1950, Third Edition
  • c-UL to CAN/CSA 22.2 No. 950-95, Third Edition
  • TUV/GS to EN 60950 with Amendment A1-A4 and A11
  • CB to IEC 60950 with all country deviations
  • NOM to NOM-019-SCFI
  • CE Marking

    Electromagnetic Emissions Certifications:
  • FCC Part 15 Class A
  • EN 55022 Class A (CISPR 22 Class A)
  • VCCI Class A
  • AS/NZS 3548 Class A
  • BSMI
  • CE Marking

    Standards:
  • IEEE 802.1x
  • IEEE 802.1w
  • IEEE 802.1s
  • IEEE 802.3x full duplex on 10BASE-T, 100BASE-TX, and 1000BASE-T ports
  • IEEE 802.1D Spanning-Tree Protocol
  • IEEE 802.1p CoS Prioritization
  • IEEE 802.1Q VLAN
  • IEEE 802.3ad
  • IEEE 802.3 10BASE-T specification
  • IEEE 802.3u 100BASE-TX specification
  • IEEE 802.3ab 1000BASE-T specification
  • IEEE 802.3z 1000BASE-X specification
  • 1000BASE-X (GBIC)
  • 1000BASE-SX
  • 1000BASE-LX/LH
  • 1000BASE-ZX
  • 1000BASE-CWDM GBIC 1470nm
  • 1000BASE-CWDM GBIC 1490nm
  • 1000BASE-CWDM GBIC 1510nm
  • 1000BASE-CWDM GBIC 1530nm
  • 1000BASE-CWDM GBIC 1550nm
  • 1000BASE-CWDM GBIC 1570nm
  • 1000BASE-CWDM GBIC 1590nm
  • 1000BASE-CWDM GBIC 1610nm
  • RMON I and II standards
  • SNMPv1, SNMPv2c, SNMPv3
    		•

    Cisco WS-C3550-48-EMI Original Manufacturer Warranty

    Standard Warranty: Lifetime Limited