1-5
Catalyst 3550 Multilayer Switch Hardware Installation Guide
78-11358-03
Chapter 1 Product Overview
Front-Panel Description
Front-Panel Description
The front panel of the Catalyst 3550-12T and 3550-12G switches has
10/100/1000 RJ-45 ports, GBIC module slots, a set of LEDs, and a Mode button
. The front panels of the Catalyst 3550-24 and 3550-48
switches have 10/100 RJ-45 ports, two GBIC module slots, a set of LEDs, and a
Mode button, as shown in
and
.
The Catalyst 3550-12T 10/100/1000 ports are numbered 1 through 10 (port 1 is
on the far left, as shown in
), and the GBIC port numbers are 11 (top)
and 12 (bottom). The Catalyst 3550-12G GBIC ports are grouped in pairs. The
first member of the pair (port 1) is above the second member (port 2) on the far
left, as shown in
. Port 3 is above port 4, and so on. The
10/100/1000 ports are numbered 11 and 12.
Table 1-3
Catalyst 3550-24-FX Features
Feature
Description
Hardware
•
24 100BASE-FX ports
•
Supports GBIC modules
–
1000BASE-SX GBIC
–
1000BASE-LX/LH GBIC
–
1000BASE-ZX GBIC
–
1000BASE-T GBIC
–
GigaStack GBIC
–
CWDM GBICs
Configuration
•
Supports optional Layer 3 routing
•
Autonegotiates 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
Power
Redundancy
•
Supports connection for optional Cisco RPS 300 Redundant Power System that
operates on AC input and supplies backup DC power to the switch
