Cisco WS-C3550-12G Switch Guide - Page 11
Cisco Catalyst 4900 Series, Cisco Catalyst 3750-X Series, Cisco Catalyst 3750V2 Series - 48 poe
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Cisco Catalyst 4900 Series Fixed-configuration switches offering high-performance and highest availability in 1-2RU configuration, optimized for data center top of rack server aggregation and for space constrained branch collapsed core/ distribution LAN aggregation. Standalone fixed-configuration for low-latency and wire-speed switching Wire-rate performance with 96-320 Gbps non-blocking switching fabric Layer 2-4 switching and intelligent services with dynamic IP routing and IPv6 Configurations from 48 10/100/1000 ports to 24 10 GBE ports TwinGig converter module for migrating from 1 Gigabit Ethernet (SFP) to 10 GBE (X2) on 4900M Dual, hot-swappable internal AC or DC power supplies Hot-swappable fan trays Cisco Catalyst 3750-X Series Enterprise-class stackable switches with innovative features such as Cisco StackPower, Power over Ethernet Plus (PoE+), and MAC security. for enterprise branch offices and mid-market organizations. 24 and 48 10/100/1000 PoE+ and non-PoE models with optional four 1 GB Ethernet SFP or two 10 GB Ethernet SFP+ uplink network modules PoE+ with 30W power on all ports in 1 rack unit (RU) Cisco StackPower: Innovative, industry-first feature for sharing power among stack members Cisco StackWise Plus for ease of use and resiliency with 64 Gbps throughput Backward compatibility with Catalyst 3750 Series Enhanced limited lifetime warranty MAC security hardware-based encryption Multicast routing, IPv6 routing, and access control list in hardware Support LAN Base, IP Base and IP Services configurations Cisco Catalyst 3750V2 Series Stackable switches offering multilayer switching and Cisco StackWise™ technology for enterprise branch offices and mid-market organizations. Stackable fixed-configuration switches featuring Cisco StackWise technology, a 32 Gbps interconnect for a unified, resilient system of up to nine switches Layer 2-4 switching and intelligent services with dynamic IP routing and IPv6 Fast Ethernet connectivity Up to 48 10/100 ports plus four SFP ports per stackable switch Integrated PoE (Cisco pre-standard and IEEE 802.3af); up to 24 ports with 15.4 watts or 48 ports with 7.3 watts AC power supply failure protection with external power supply 9