Cisco 4948-10GE Installation Guide - Page 28

Hardware System Features - s power

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Hardware System Features Chapter 1 Product Overview Hardware System Features The Catalyst 4900 series switches are high-performance dedicated Ethernet switches that fully integrate into the Catalyst family of switches using Catalyst 4500 series system software. The following is an overview of the Catalyst 4900 series hardware features: • (Catalyst 4948 and 4948-10GE) 48 10BASE-T/100BASE-TX/1000BASE-T Ethernet ports using RJ-45 interfaces. The following standards are supported: - IEEE 802.3 10BASE-T - IEEE 802.3u 100BASE-TX - IEEE 802.3z 1000BASE-X - IEEE 802.3x Pause and/or Full Duplex - IEEE 802.1Q - IEEE 802.3ab 1000BASE-T - IEEE 802.3ae - IEEE 802.1p • (Catalyst 4948) Four 1000BASE-X Ethernet ports using SFP interfaces (These ports share MAC addresses with the last four 10BASE-T/100BASE-TX/1000BASE-T Ethernet ports.) • (Catalyst 4928-10GE) 28 1000BASE-X Ethernet ports using SFP interfaces • (Catalyst 4948-10GE and Catalyst 4928-10GE) Two 10-Gigabit Ethernet uplink ports using X2 interfaces • Serial console management port using an RJ-45 interface • A removable automatic variable speed fan tray for low noise (no more than 48 dB) operation at room temperature • Redundant and removable 300 W AC or 300 W DC power supplies • 256-MB SDRAM (fixed), 64-MB embedded Flash memory • EtherChannel at 10/100/1000 Mbps (and 10 Gbps for the Catalyst 4948-10GE and Catalyst 4928-10GE) • Hardware-based access lists • Storm control in hardware Catalyst 4900 Series Switch Installation Guide 1-6 78-18039-02

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Chapter 1
Product Overview
Hardware System Features
1-6
Catalyst 4900 Series Switch Installation Guide
78-18039-02
Hardware System Features
The Catalyst 4900 series switches are high-performance dedicated Ethernet
switches that fully integrate into the Catalyst family of switches using Catalyst
4500 series system software.
The following is an overview of the Catalyst 4900 series hardware features:
•
(Catalyst 4948 and 4948-10GE) 48 10BASE-T/100BASE-TX/1000BASE-T
Ethernet ports using RJ-45 interfaces. The following standards are supported:
–
IEEE 802.3 10BASE-T
–
IEEE 802.3u 100BASE-TX
–
IEEE 802.3z 1000BASE-X
–
IEEE 802.3x Pause and/or Full Duplex
–
IEEE 802.1Q
–
IEEE 802.3ab 1000BASE-T
–
IEEE 802.3ae
–
IEEE 802.1p
•
(Catalyst 4948) Four 1000BASE-X Ethernet ports using SFP interfaces
(These ports share MAC addresses with the last four
10BASE-T/100BASE-TX/1000BASE-T Ethernet ports.)
•
(Catalyst 4928-10GE) 28 1000BASE-X Ethernet ports using SFP interfaces
•
(Catalyst 4948-10GE and Catalyst 4928-10GE) Two 10-Gigabit Ethernet
uplink ports using X2 interfaces
•
Serial console management port using an RJ-45 interface
•
A removable automatic variable speed fan tray for low noise (no more than
48 dB)
operation at room temperature
•
Redundant and removable 300 W AC or 300 W DC power supplies
•
256-MB SDRAM (fixed), 64-MB embedded Flash memory
•
EtherChannel at 10/100/1000 Mbps (and 10 Gbps for the Catalyst 4948-10GE
and Catalyst 4928-10GE)
•
Hardware-based access lists
•
Storm control in hardware