Cisco Catalyst 3550 Installation Manual page 28

Features
Table 1-2 Catalyst 3550-24, 3550-24-DC, and 3550-48 Features
Feature Description
Hardware •
•
Configuration •
•
•
•
Power
•
Redundancy
Note
Catalyst 3550 Multilayer Switch Hardware Installation Guide
1-4
24 or 48 10BASE-T/100BASE-TX Ethernet ports and 2 GBIC-based Gigabit
Ethernet slots
Supports GBIC modules
1000BASE-SX GBIC
–
– 1000BASE-LX/LH GBIC
1000BASE-ZX GBIC
–
1000BASE-T GBIC
–
GigaStack GBIC
–
CDWM GBICs
–
Supports optional Layer 3 routing
Autonegotiates of speed and duplex operation on 10/100 Ethernet ports
Supports up to 8000 MAC addresses
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
Supports connection for optional Cisco RPS 300 Redundant Power System that
operates on AC input and supplies backup DC power to the switch (Catalyst
3550-24 and 3550-48 only)
The Cisco RPS 300 does not support the Catalyst 3550-24-DC switch.
Chapter 1 Product Overview
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