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

More Info
Warranty Information 1 Year
Additional Specifications
normalized-Weight 304
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
Product Series 4900
DSL Port No
Switching Fabric 176 Gbps
Layer Support 4
Power Over Ethernet No
Product Model 4948E
Compatible Rack Unit 1U
LRE Port No
Manageable Yes
Green Compliance Yes
PoE Port No
Forwarding/Filtering Rate 131 Mpps
Port/Expansion Slot Details 4 x 10 Gigabit Ethernet Expansion Slot
Management QoSCLIRMON I and IIVLAN
Connectivity Media Twisted Pair 10/100/1000Base-T
Brand Name Cisco
10Gigabit Ethernet Port No
Number of Total Expansion Slots 4
Total Number of Network Ports 48
Redundant Power Supply Yes
Token Ring Port No
Performance 72Mpps Forwarding Rate
Media Type Supported Twisted Pair
Number of Network (RJ-45) Ports 48
Number of SFP+ Slots 4
Product Line Catalyst
Type of Switch Layer 3 Switch
Dimensions 1.71" Height x 17.29" Width x 16.14" Depth
Weight 19.00 lbs
Quick Glance
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
Green Compliance RoHS-6