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Cisco Catalyst 2948G Ethernet Switch - WS-C2948G

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Product Overview

The Catalyst 2948G is a dedicated Ethernet switch featuring high-performance Layer 2 switching for the wiring closet, with low cost per port and advanced and proven software capable of supporting a wide variety of switching features. This newCatalyst switch provides an efficient, simple, and cost- ffective method for improving performance and eliminating network congestion with high-speed, high-performance, Layer 2 intelligent enterprise switching. Fully integrated into the Catalyst family of switches, the Catalyst 2948G uses the same Catalyst system software as the industry-leading Catalyst 5000/5500 Series, thereby ensuring complete interoperability with existing Catalyst switches.


Manufacturer Cisco
Mfg Part# WS-C2948G
SKU 209048148
Port/Expansion Slot Details 48 x Fast Ethernet Network / 2 x Gigabit Ethernet Expansion Slot
Total Number of Network Ports 48
Product Type Ethernet Switch
Manufacturer Part Number WS-C2948G
Manufacturer Cisco Systems, Inc
Product Model 2948G
Product Name Catalyst 2948G Ethernet Switch
Product Line Catalyst
Product Series 2900
Brand Name Cisco
Expansion Slot Type GBIC
Network Technology 10/100Base-TX / 10Base-T
Number of Total Expansion Slots 2
Ethernet Technology Fast Ethernet
Media Type Supported Twisted Pair
Weight (Approximate) 13 lb
Form Factor Rack-mountable
Height 2.6"
Width 17.5"
Depth 15"
Power Source Power Supply
Redundant Power Supply Supported Yes
Manageable Yes
Limited Warranty 90 Day
Tech Specs
Status Indicators STATUS Link Status PS1
Number of Ports 48
Fast Ethernet Port Yes
Altitude -196.84 ft to 13123.32 ft Operating
Humidity 10% to 90% Non-condensing Relative Humidity
Temperature 32°F (0°C) to 104°F (40°C) Operating / -40°F (-40°C) to 167°F (75°C) Storage
Thermal Dissipation 640 BTU/h @ 189 W
Product Type Ethernet Switch
Manufacturer Part Number WS-C2948G
Manufacturer Website Address
Manufacturer Cisco Systems, Inc
Product Name Catalyst 2948G Ethernet Switch
Product Line Catalyst
Product Series 2900
Brand Name Cisco
Expansion Slots (2 Total) GBIC Uplink
Number of Expansion Slots 2
Connectivity Media Cable Twisted Pair
Performance 24Gbps Backplane Speed
Flash Memory 12 MB
Additional Information rack and cable guide hardware included Fiber Modal: 1000BASE-SX 1000BASE-LX/LH EtherChannel: Fast EtherChannel: All 10/100 mbps ports Gigabit EtherChannel: All 1000 mbps ports PAgP: Yes Power factor correction: YES Output power: 120 watts per power supply Y2K compliant: Yes Switching Specifications: Virtual LANs (VLANs): 1,024 Fabric: Store-and-Forward Queues: Dual Queuing On the Catalyst 2948G switch, only one power source can supply power to the switch at any one time. When you are using an RPS, unplug the local power cord for the switch. If you are using the local power supply, the RPS can be connected but must not be powered on.
Certifications & Standards Safety Conditions: Fiber optic lasers: class 1 laser products Safety: UL 1950 EN 60950 CSA-C22.2 no 950 IEC 950 Electromagnetic Emissions: FCC 15J Class A VCCI Class B CE Marking EN 55022 Class B CISPR 22 Class B Standard Network Protocols: Ethernet: IEEE 802.3, 10BaseT Fast Ethernet: IEEE 802.3u, 100BaseTX Gigabit Ethernet: IEEE 802.3z, IEEE 802.3x VLAN Trunking/Tagging: IEEE 802.1Q Spanning-Tree Protocol: IEEE 802.1D 1000BaseX (GBIC) - 1000BaseSX - 1000BaseLX/LH
Address Table 16000 MAC Address -
Dimensions 2.62" Height x 17.50" Width x 15" Depth
Weight (Approximate) 13 lb
Form Factor Rack-mountable
Input Voltage 110 V AC / 220 V AC
Power Source Power Supply
Frequency 50 Hz to 60 Hz
Input Current 2 A @ 100 V AC / 1 A @ 200 V AC
Power Consumption 120 W @
Input Voltage Range 100
Redundant Power Supply Yes
Processor 1 x R5000 RISC 200 MHz
Protocols BootP / VTP / RADIUS / TACACS+
Management Network Management: CiscoWorks2000 Network Management Suite CiscoWorks2000 Network Management Suite, CWSI campus Cisco Discovery Protocol Cisco's Virtual Trunking Protocol (VTP) Simple Network Management Protocol (SNMP) agent v1 (RFCs 1155-1157) SNMPv2c Cisco workgroup Management Information Base (MIB) Ethernet MIB (RFC 1643) Ethernet repeater MIB (RFC 1516) SNMP MIB II (RFC 1213) RMON (RFC 1757) RMON II (RFC 2021) Interface table (RFC 1573) Bridge MIB (RFC 1493) Station Management (SMT) 7.3 (RFC 1285) Switched Port Analyzer (SPAN) Enhanced Switched Port Analyzer (EnhancedSPAN) 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
Security Features Security (per-port security, authentication, IP permit lists, and so on)
Manageable Yes
Standard Warranty 90 Day Limited
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