New and Used Cisco WS-C2970G-24T-E Switches for Sale (WSC2970G24TE)

Short Description: CISCO CATALYST 2970 SWITCH 24 PORTS GIGABIT ETHERNET W/ ENHANCED IMAGE (Cisco Catalyst 2970 series)

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WS-C2970G-24T-E Product Specifications

The Cisco Catalyst 2970 Series Switches are affordable Gigabit Ethernet switches that deliver wire-speed intelligent services for small and medium businesses and enterprise branch offices. Featuring a complete set of intelligent services, the Catalyst 2970 Series Switches can enhance network performance and increase productivity for today's knowledge workers by intelligently scaling beyond 100 Mbps over existing Category 5 copper cabling.

The Cisco Catalyst 2970 Series is part of the industry's most complete range of stackable and standalone switches, including the Cisco Catalyst 2940, 2950, 2960, 3550, 3560, and 3750 Series Switches. Cisco's suite of fixed configuration switches provides Fast Ethernet and Gigabit Ethernet configurations with intelligent services to small and medium-sized businesses and enterprise branch offices. Cisco fixed configuration switches are part of a larger family of Cisco Catalyst switches that include the Cisco Catalyst 6500 and 4500 Series modular switches. The entire family offers industry-leading performance, functionality, scalability, and flexibility.

Features

Express Setup simplifies initial configuration via a Web browser, eliminating the need for more complex terminal emulation programs and CLI knowledge.
DHCP autoconfiguration of multiple switches through a boot server eases switch deployment.
AutoQoS simplifies QoS configuration in VoIP networks by issuing interface and global switch commands to detect Cisco IP phones, classify traffic, and enable egress queue configuration.
Autosensing detects the speed of the attached device and automatically configures each 10/100/1000 port for 10-, 100-, or 1000-Mbps operation, easing switch deployment in mixed 10, 100, and 1000BASE-T environments.
Autonegotiating on 10/100/1000 ports automatically selects half- or full-duplex transmission mode to optimize bandwidth.
Speed Autonegotiate allows users to only advertise 10/100 Mbps speeds on 10/100/1000 Mbps capable ports
Dynamic Trunking Protocol (DTP) enables dynamic trunk configuration across all switch ports.
Port Aggregation Protocol (PAgP) automates the creation of Cisco Fast EtherChannel� groups or Gigabit EtherChannel groups to link to another switch, router, or server.
Link Aggregation Control Protocol (LACP) allows the creation of Ethernet channeling with devices that conform to IEEE 802.3ad. This feature is similar to Cisco EtherChannel technology and PAgP.
Auto-media-dependent interface crossover (MDIX) automatically adjusts transmit and receive pairs if an incorrect cable type (crossover or straight-through) is installed on a 10/100/1000 port.
IEEE 802.3z-compliant 100BASE-FX, 1000BASE-SX, 1000BASE-LX/LH, 1000BASE-ZX, and 1000BASE-T physical interface support through a field-replaceable SFP module provides unprecedented flexibility in switch deployment.
DHCP Relay allows a DHCP relay agent to broadcast DHCP requests to the network DHCP server.
The default configuration stored in Flash memory ensures that the switch can be quickly connected to the network and can pass traffic with minimal user intervention.

Performance

32 Gbps switching fabric
Forwarding bandwidth: 28 Gbps (Cisco Catalyst 2970G-24TS), 24 Gbps (Cisco Catalyst 2970G24T)
Forwarding rate based on 64-byte packets: 38.7 Mpps (Cisco Catalyst 2970G-24TS), 35.7 Mpps (Cisco Catalyst 2970G-24T)
128 MB DRAM and 16 MB Flash memory
Configurable up to 8192 MAC addresses
Configurable up to 1000 IGMP groups and bridging entries
Configurable maximum transmission unit (MTU) of up to 9018 bytes (jumbo frames) for bridging on Gigabit Ethernet ports, and up to 1546 bytes for bridging on Fast Ethernet ports

Cabling and Connectors

10BASE-T ports: RJ-45 connectors; 2-pair Category 3, 4, or 5 unshielded twisted-pair (UTP) cabling
100BASE-TX ports: RJ-45 connectors; 2-pair Category 5 UTP cabling
1000BASE-T ports: RJ-45 connectors; 2-pair Category 5 UTP cabling
1000BASE-T SFP-based ports: RJ-45 connectors, 2-pair Category 5 UTP cabling
1000BASE-SX, -LX/LH, -ZX, and CWDM SFP-based ports: LC fiber connectors (single-mode or multimode fiber)
Management console port: RJ-45-to-DB9 cable for PC connections

Power

The internal power supply is an autoranging unit.
The internal power supply supports input voltages between 100 and 240 VAC.
Use the supplied AC power cord to connect the AC power connector to an AC power outlet.

Indicators

Per-port status LEDs: link integrity, disabled, activity, speed, and full-duplex indications
System-status LEDs: system, RPS, and bandwidth-utilization indications

Dimensions (H x W x D)

1.73 x 17.5 x 12.83 in. (4.39 x 44.5 x 32.6 cm) (Cisco Catalyst 2970G-24T)