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The Cisco Catalyst 3550 Series Intelligent Ethernet Switches are a new line of enterprise-class, stackable, multilayer solutions that provide high availability, scalability, security and control to enhance the operation of the network. With a range of Fast Ethernet and Gigabit Ethernet configurations, the Catalyst 3550 Series can serve as both a powerful access layer switch for medium-enterprise wiring closets and as a backbone switch for mid-sized networks. For the first time, customers can deploy network-wide intelligent services, such as advanced quality of service, rate-limiting, Cisco security access control lists, multicast management, and high-performance IP routing - while maintaining the simplicity of traditional LAN switching. | Product Description | Cisco Catalyst 3550-48 EMI - switch - 48 ports | | Device Type | Switch - stackable | | Form Factor | External - 1U | | Dimensions (WxDxH) | 16.3 in x 17.5 in x 1.8 in | | Weight | 13 lbs | | RAM | 64 MB | | Flash Memory | 16 MB | | Ports Qty | 48 x Ethernet 10Base-T, Ethernet 100Base-TX | | Data Transfer Rate | 100 Mbps | | Data Link Protocol | Ethernet, Fast Ethernet | | Empty Slots | 2 x GBIC | | Remote Management Protocol | SNMP 1, SNMP 2, RMON 1, RMON 2, SNMP 3 | | Communication Mode | Half-duplex, full-duplex | | Features | Full duplex capability, IP-routing, manageable, stackable | | Compliant Standards | IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3x, IEEE 802.1w, IEEE 802.1x | | Power | AC 120/230 V AC 110/220 V ± 10% ( 50/60 Hz ) |
| General | | Device Type | Switch - stackable | | Enclosure Type | Rack-mountable - external - 1U | | Built-in Devices | LED panel | | Width | 16.3 in | | Depth | 17.5 in | | Height | 1.8 in | | Weight | 13 lbs | | Memory | | RAM | 64 MB - integrated | | Flash Memory | 16 MB flash | | Networking | | Ports Qty | 48 x Ethernet 10Base-T, Ethernet 100Base-TX | | Data Transfer Rate | 100 Mbps | | Data Link Protocol | Ethernet, Fast Ethernet | | Remote Management Protocol | SNMP 1, SNMP 2, RMON 1, RMON 2, SNMP 3 | | Connectivity Technology | Wired | | Communication Mode | Half-duplex, full-duplex | | Switching Protocol | Ethernet | | MAC Address Table Size | 8K entries | | Status Indicators | Link activity, port transmission speed, port duplex mode, bandwidth utilization %, power, link OK | | Features | Full duplex capability, IP-routing, manageable, stackable | | Compliant Standards | IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3x, IEEE 802.1w, IEEE 802.1x |
| Expansion / Connectivity | | Expansion Slots Total (Free) | 2 ( 2 ) x GBIC | | Interfaces | 48 x network - Ethernet 10Base-T/100Base-TX - RJ-45 female - 48
1 x management - console - RJ-45 female - 1 | | Miscellaneous | | Cables Included | Serial adapter | | MTBF | 163,000 hour(s) | | Authentication Method | RADIUS, TACACS+ | | Compliant Standards | CE, FCC Class A certified, CSA, UL, TUV GS, BSMI, cUL, EN 60950, EN55022, NOM, VCCI Class A ITE | | Power | | Power Device | Power supply - internal | | Voltage Required | AC 120/230 V AC 110/220 V ± 10% ( 50/60 Hz ) | | Power Consumption Operational | 86 Watt | | Features | Redundant Power System (RPS) connector | | Compliant Standards | UL, cUL |
| Environmental Parameters | | Min Operating Temperature | 32 °F | | Max Operating Temperature | 113 °F | | Humidity Range Operating | 10 - 85% | | Max Altitude Operating | 9840 ft |
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