Cisco Catalyst 3750 Hardware Installation Guide

Chapter 2 Product Overview
Front Panel Description
2-18
Catalyst 3750 Switch Hardware Installation Guide
78-15136-03
Even if PoE mode is not selected on a Catalyst 3750-24PS or 3750-48PS switch,
the PoE LED still shows PoE problems when they are detected.
Table 2-5 lists the PoE mode LED colors and their meanings.
Table 2-4 Port Mode LEDs
Mode LED Port Mode Description
STAT Port status The port status. This is the default mode.
DUPLX Port duplex mode The port duplex mode: full duplex or half duplex.
Note The 10/100/1000 ports operate only in full-duplex
mode.
SPEED Port speed The port operating speed: 10, 100, or 1000 Mbps.
STACK Stack member status
StackWise port status
The stack member status.
The StackWise port status. See the “Stack LED” section on
page 2-21 for more information.
PoE
1
1. The PoE LED is only on the Catalyst 3750-24PS and 3750-48PS switches.
10/100 PoE port power The PoE status.
Table 2-5 PoE Mode LED
Color PoE Status
Off PoE mode is not selected. None of the 10/100 ports have been denied power or are
in a fault condition.
Green PoE mode is selected, and the PoE status is shown on the port LEDs.
Blinking amber PoE mode is not selected. At least one of the 10/100 ports has been denied power,
or at least one of the 10/100 ports has a PoE fault.

Cisco Catalyst 3750 Specifications

General

Device Type	Switch
Switching Capacity	32 Gbps
Forwarding Rate	38.7 Mpps
Stacking Bandwidth	32 Gbps
RAM	128 MB
Jumbo Frame Support	Yes
Switch Type	Managed
Model	Catalyst 3750 Series
Uplink Interfaces	SFP
Form Factor	Rack-mountable
MAC Address Table Size	12, 000 entries
Routing Protocol	RIP, OSPF, EIGRP
Remote Management Protocol	SNMP, Telnet, HTTP
Features	Layer 3 switching, Layer 2 switching, auto-negotiation, BOOTP support, ARP support, VLAN support, auto-uplink (auto MDI/MDI-X), IGMP snooping, traffic shaping, MAC address filtering, Quality of Service (QoS), Jumbo Frames support, MLD snooping, Dynamic ARP Inspection (DAI), Cisco EnergyWise technology
Power over Ethernet (PoE)	PoE
Operating Temperature	-5 - 45 °C
Operating Humidity	10% to 85% non-condensing