Cisco 3550 - Manual (Page 21)

1-3
Catalyst 3550 Switch Hardware Installation Guide
OL-6155-01
Chapter 1 Product Overview
Features
Table 1-1 Switch Features
Feature Description
Hardware • 2 or 10 Gigabit Ethernet 10BASE-T/100BASE-TX/1000BASE-T ports and 2 or
10 GBIC
1 -based Gigabit Ethernet slots (Catalyst 3550-12T and 3550-12G
switches)
• 24 or 48 10BASE-T/100BASE-TX Ethernet ports and 2 GBIC-based Gigabit
Ethernet slots (Catalyst 3550-24, 3550-24DC, 3550-24PWR, and 3550-48
switches)
• 24 100BASE-FX ports (Catalyst 3550-24-FX switch)
• Supports GBIC modules:
– 1000BASE-SX
– 1000BASE-LX/LX
– 1000BASE-ZX
– 1000BASE-T
– GigaStack
– CWDM
Configuration • Supports Layer 3 routing (Catalyst 3550-12T and 3550-12G switches)
• Supports optional Layer 3 routing (Catalyst 3550-24, 3550-24DC,
3550-24-FX, 3550-24PWR, and 3550-48 switches)
• Autonegotiates speed and duplex operation on 10/100 or 10/100/1000 Ethernet
ports
• Supports up to 12,000 MAC addresses (Catalyst 3550-12T and 3550-12G
switches)
• Supports up to 8,000 MAC addresses (Catalyst 3550-24, 3550-24DC,
3550-24-FX, 3550-24PWR, and 3550-48 switches)
• Checks for errors on a received packet, determines the destination port, stores
the packet in shared memory, and then forwards the packet to the destination
port
Power
Redundancy • Connection for optional Cisco RPS 300 redundant power system or the Cisco
RPS 675 redundant power system that operates on AC input and supplies
backup DC power to the switch