Manufacturer’s Description

The Cisco Catalyst 4948E and 4948E-F Ethernet Switches are the Cisco Catalyst 4900 Series data center switches built from the start to deliver best-in-class, full-featured server-access switching. The switches include identical features except that the Cisco Catalyst 4948E offers front-to-back cooling, and the Cisco Catalyst 4948E-F offers back-to-front cooling. Each switch offers forty-eight 10/100/1000-Gbps RJ45 downlink ports and four 1 and 10 Gigabit Ethernet uplink ports. The switches are designed to simplify data center architecture and operations by offering service provider-grade hardware and software in a one-rack-unit (1RU) form factor optimized for full-featured top-of-rack (ToR) data center deployments.

The Specs

General
Type of Switch Layer 3 Switch
Additional Specifications
Frequency Band Robust Security Unicast and multicast routing entries: 32,000 MAC addresses: 32,768 CPU speed: 266 MHz Policers: 512 ingress and 512 egress Hardware-based storm control (formally known as broadcast and multicast suppression) Enterprise Services software image (IPX, Appletalk, OSPF, EIGRP, IS-IS, BGP) Cisco EtherChannel technology, Cisco Fast EtherChannel technology, and Cisco Gigabit EtherChannel technology support Switch heat dissipation: 1023 BTU/hour Memory: 256-MB SDRAM 64-MB Flash (onboard and fixed) 512-KB NVRAM 256 bytes serial EEROM
Connectivity Media Twisted Pair 10/100/1000Base-T
Redundant Power Supply Yes
Forwarding/Filtering Rate 131 Mpps
Management QoSCLIRMON I and IIVLAN
normalized-Weight 304
DSL Port No
Layer Support 4
Port/Expansion Slot Details 4 x 10 Gigabit Ethernet Expansion Slot
Product Line Catalyst
Media Type Supported Twisted Pair
Number of Network (RJ-45) Ports 48
PoE Port No
Product Model 4948E
Performance 72Mpps Forwarding Rate
Number of SFP+ Slots 4
Product Series 4900
Manageable Yes
Green Compliance Yes
Power Over Ethernet No
Number of Total Expansion Slots 4
Compatible Rack Unit 1U
10Gigabit Ethernet Port No
LRE Port No
Total Number of Network Ports 48
Switching Fabric 176 Gbps
Brand Name Cisco
Token Ring Port No
Quick Glance
Green Compliance RoHS-6
Interfaces 48 x RJ-45 10/100/1000Base-T LAN|1 x RJ-45 Console Management|1 x RJ-45 10/100Base-TX Management
Number of Network Ports 48
Dimensions
Weight 19.00 lbs
Dimensions 1.71" Height x 17.29" Width x 16.14" Depth
More Info
URL http://www.cisco.com
Warranty Information 1 Year

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