Cisco Catalyst 3550 Hardware Installation Manual page 21

Chapter 1 Product Overview
Table 1-1
Feature
Hardware
Configuration
Power
Redundancy
OL-6155-01
Switch Features
Description
2 or 10 Gigabit Ethernet 10BASE-T/100BASE-TX/1000BASE-T ports and 2 or
•
1
10 GBIC -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
–
• 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
• 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
Catalyst 3550 Switch Hardware Installation Guide
Features
1-3