Cisco WS-C3550-12G Switch Guide - Page 175

Cisco Catalyst 4900 Series

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Cisco Catalyst 4900 Series High-performance small form-factor switching for datacenter top of rack applications and space constrained LAN aggregation in branch deployments. The Catalyst 4900 Series are a compact form factor (1-2RU) family of switches providing wire speed GE and 10 GBE connectivity and services for top of rack server aggregation in the datacenter and for space constrained branch collapsed core/distribution LAN aggregation. The Catalyst 4900 Series includes six Layer 2 & 3 fixed-configuration switches. The Catalyst 4948E switch offers 48 ports of wire-speed 10/100/1000BASE-T with four 1 Gbps/10 Gigabit Ethernet (10 GBE) uplinks via optional SFP/SFP+ optics in addition to offering true front-to-back airflow. The Catalyst 4948E-F switch offers 48 ports of wire-speed 10/100/1000BASE-T with four 1 Gbps/10 Gigabit Ethernet (10 GBE) uplinks via optional SFP/SFP+ optics in addition to offering true back-to-front airflow. The Cisco Catalyst 4900M is a 320 Gbps, two-rack-unit (2RU) semi-fixed configuration switch with 8 fixed wire-speed 10 GBE ports on the base unit and 2 optional half-card slots for deployment flexibility. Four half-card modules provide additional 10 GBE density or 10/100/1000 copper ports. The 8-port half card supports 1 GE SFPs via the TwinGig adapter. The Catalyst 4948 switch offers 48 ports of wire-speed 10/100/1000BASE-T with four alternative wired ports that can accommodate optional 1000BASE-X Small Form-factor Pluggable (SFP) optics. The Catalyst 4948 10 GBE switch offers 48 ports of wire-speed 10/100/1000BASE-T with two wire-speed 10 Gigabit Ethernet (10 GBE) uplinks via optional 10 GBE (X2) optics. The Catalyst 4928 10 GBE switch offers 28 wire-speed Small Form-Factor Pluggable (SFP) ports with two wire-speed 10 Gigabit Ethernet (10 GBE) uplinks via optional 10 GBE (X2) optics. All models provide exceptional reliability and serviceability, supporting optional internal AC or DC 1 + 1 hot-swappable power supplies and a hot-swappable fan tray with redundant fans. 173

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173
High-performance small form-factor switching for datacenter top of rack applications
and space constrained LAN aggregation in branch deployments.
The Catalyst 4900 Series are a compact form factor (1-2RU) family of switches
providing wire speed GE and 10 GBE connectivity and services for top of rack
server aggregation in the datacenter and for space constrained branch collapsed
core/distribution LAN aggregation. The Catalyst 4900 Series includes six Layer 2 & 3
fixed-configuration switches.
The Catalyst 4948E switch offers 48 ports of wire-speed 10/100/1000BASE-T with
four 1 Gbps/10 Gigabit Ethernet (10 GBE) uplinks via optional SFP/SFP+ optics in
addition to offering true front-to-back airflow.
The Catalyst 4948E-F switch offers 48 ports of wire-speed 10/100/1000BASE-T with
four 1 Gbps/10 Gigabit Ethernet (10 GBE) uplinks via optional SFP/SFP+ optics in
addition to offering true back-to-front airflow.
The Cisco Catalyst 4900M is a 320 Gbps, two-rack-unit (2RU) semi-fixed
configuration switch with 8 fixed wire-speed 10 GBE ports on the base unit and 2
optional half-card slots for deployment flexibility. Four half-card modules provide
additional 10 GBE density or 10/100/1000 copper ports. The 8-port half card
supports 1 GE SFPs via the TwinGig adapter.
The Catalyst 4948 switch offers 48 ports of wire-speed 10/100/1000BASE-T with
four alternative wired ports that can accommodate optional 1000BASE-X Small
Form-factor Pluggable (SFP) optics.
The Catalyst 4948 10 GBE switch offers 48 ports of wire-speed 10/100/1000BASE-T
with two wire-speed 10 Gigabit Ethernet (10 GBE) uplinks via optional 10 GBE
(X2) optics.
The Catalyst 4928 10 GBE switch offers 28 wire-speed Small Form-Factor Pluggable
(SFP) ports with two wire-speed 10 Gigabit Ethernet (10 GBE) uplinks via optional 10
GBE (X2) optics.
All models provide exceptional reliability and serviceability, supporting optional
internal AC or DC 1 + 1 hot-swappable power supplies and a hot-swappable fan tray
with redundant fans.
Cisco Catalyst 4900 Series