WS-C4912G

Manufacturer Part#: Cisco WS-C4912G
WS-C4912G Cisco Catalyst 4000 Series switch
CATALYST GIGABIT ETHERNET SWITCH, 12-100 WS-C4912G

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 aggregator. 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.
 
Cisco WS-C4912G General Information:
Manufacturer: Cisco Systems, Inc 
Brand Name: Cisco 
Product Line: Catalyst 
Product Series: 4500 
Product Name: Catalyst 4912G Ethernet Switch 
Product Type: Ethernet Switch 
 
Cisco WS-C4912G Interfaces/Ports:
Interfaces/Ports: 1 x RJ-45 Console Management 
 
Cisco WS-C4912G Controls/Indicators:
Status Indicators:
Status
Port
Utilization
PS1
RPSU
Status
Port
Utilization
PS1
RPSU
 
Cisco WS-C4912G Power Description:
Input Voltage: 110V AC 
Input Voltage: 220V AC 
Input Current: 2.5A @ 100V AC 
Input Current: 1.3A @ 240V AC 
Frequency: 60 Hz 
Frequency: 50 Hz 
Power Source: Power Supply 
Redundant Power Supply: Yes 
 
Cisco WS-C4912G Environmental Conditions:
Temperature: 32 degrees F (0.0 degrees C) to 104 degrees F (40.0 degrees C) Operating 
Temperature: -40 degrees F (-40.0 degrees C) to 167 degrees F (75.0 degrees C) Storage 
Humidity: 5% to 95% Non-condensing Relative Humidity Storage 
 
Cisco WS-C4912G Miscellaneous:
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)
 
Cisco WS-C4912G Interfaces/Ports:
Interfaces/Ports: 1 x RJ-45 10Base-T Management 
 
Cisco WS-C4912G Media & Performance:
Connectivity Media: Cable Twisted Pair 
Performance: 24Gbps Backplane Speed 
 
Cisco WS-C4912G I/O Expansions:
Number of Expansion Slots: 12 
Expansion Slots: (12 Total) GBIC 
 
Cisco WS-C4912G Network & Communication:
Address Table: 16K MAC Addresses 
 
Cisco WS-C4912G Management & Protocols:
Manageable: Yes 
Management:
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
SNMP MIB II
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
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
SNMP MIB II
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
 
Protocols: CDP 
Protocols: VTP 
Protocols: SNMP 
Protocols: TFTP 
 
Cisco WS-C4912G Processor & Chipset: 
Processor: 1 x MIPS R5000 RISC 150MHz 
 
Cisco WS-C4912G Memory: 
Flash Memory: 12MB
 
Cisco WS-C4912G Environmental Conditions: 
Humidity: 10% to 90% Non-condensing Relative Humidity Operating 
Altitude: -196.84 ft to 13123.32 ft Operating 
Thermal Dissipation: 640 BTU/h @ 189W 
 
Cisco WS-C4912G Physical Characteristics:
Dimensions: 2.75 Height x 17.5 Width x 15 Depth 
Shipping Dimensions: 8.75 Height x 20.5 Width x 22.5 Depth 
Weight: 13lb 
 
Cisco WS-C4912G Miscellaneous:
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