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12 x GBIC

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Additional Information

Manufacturer CISCO
Manufacturer Part Number WS-C4912G
SKU GROUP-212333
Flash Memory 12 MB
Marketing Information The Catalyst 4912G is a 12-port dedicated Gigabit Ethernet switch featuring high-performance Layer 2 switching and intelligent Cisco IOS network services for high-speed network aggregation. The Catalyst 4912G is the flagship product of the new Catalyst 4900 series, which delivers fixed configuration enterprise platforms providing cost-effective, high-performance solutions for Gigabit networking. The Catalyst 4912G switch provides an advanced enterprise switching solution delivering low-cost, high-density gigabit aggregation with modular Gigabit Interface Converter (GBIC) modular protection. The Catalyst 4912G switch provides intelligent Cisco IOS network services, capable of enhancing LAN scalability, multicasting, security, management and quality of service (QoS). The dedicated gigabit Catalyst 4912G leverages the same feature set with identical software code base and the same enterprise functionality as the Catalyst 5000 family, delivering a consistent end-to-end solution.
Description 12 x GBIC
Height 2.8"
Width 17.5"
Depth 15"
Certifications & Standards
  • Safety Certifications:
  • UL 1950
  • EN 60950
  • CSA-C22.2 no 950
  • IEC 950
  • Electromagnetic Emissions Certifications:
  • FCC 15J Class A
  • VCCI Class B
  • CE Marking
  • EN 55022 Class B
  • CISPR 22 Class B
  • Gigabit Ethernet: IEEE 802.3z, IEEE 802.3x
  • 1000BaseX (GBIC)
  • - 1000BaseSX
  • - 1000BaseLX/LH
  • - 1000BaseZX
  • VLAN trunking tagging: IEEE 802.1Q
  • Spanning Tree Protocol: IEEE 802.1D1000BaseX (GBIC)
Expansion Slot Type GBIC
Product Name Catalyst 4912G Ethernet Switch
Input Voltage
  • 110 V AC
  • 220 V AC
Limited Warranty 90 Day
Manageable Yes
  • CiscoWorks 2000 Network Management Suite, Resource Manager Essentials includes:
  • - Inventory Manager
  • - Change Audit
  • - Device Configuration Manager
  • - Software Image Manager
  • - Availability Manager
  • - Syslog Analyzer
  • - Cisco Management Connection
  • CiscoWorks 2000 Network Management Suite, CiscoWorks for Switched Internetworks (CWSI) Campus includes:
  • - Network topology discovery and display services
  • - VLAN provisioning and logical display representation
  • - Traffic monitoring and performance assessment
  • - End-station tracking with search utilities
  • - ATM and LANE service configuration and performance monitoring
  • - CiscoView graphical device management
  • - Network topology integrity checking
  • Cisco Discovery Protocol
  • Cisco Virtual Trunking Protocol (VTP)
  • Simple Network Management Protocol (SNMP) agent v1
  • SNMPv2c
  • Cisco workgroup Management Information Base (MIB)
  • Ethernet MIB
  • Ethernet repeater MIB
  • Remote monitoring (RMON)
  • Remote monitoring (RMON II)
  • Interface table
  • Bridge MIB
  • SMT 7.3
  • Switched Port Analyzer (SPAN)
  • Enhanced Switched Port Analyzer (ESPAN)
  • Port snooping and connection steering
  • Text-based command-line interface based on the familiar Catalyst 5000 series interface
  • Standard Cisco IOS security capabilities: passwords and TACACS+
  • Telnet, Trivial File Transfer Protocol (TFTP), BOOTP for management access
Alt Part No WSC4912G
Network Technology 10Base-T
Product Type Ethernet Switch
Number of Total Expansion Slots 12
Additional Information
  • Item Included:
  • Power Cord,110V (CAB-AC)
  • Powerful wire-speed performance with 24 Gbps of dedicated bandwidth for nonblocking Gigabit Ethernet concentration
  • Consistent and mature Catalyst 5000 family software compatibility
  • Future-proof bandwidth protection with broad Gigabit EtherChannel availability
  • GBIC flexibility on fiber port interfaces covering a wide range of cabling distances
  • Redundant, hot-swappable external power supply (option) and other fault-tolerant features
  • Virtual LANs (VLANs): 1,024
  • Fabric: Store-and-Forward
  • Queues: Dual Queuing
Port/Expansion Slot Details 12 x Gigabit Ethernet Expansion Slot
Power Source Power Supply
Product Line Catalyst
NSN Part Number 7.03E+12
SKU UNSPSC 43222612
SKU UPC 7.46E+11


12 x GBIC

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