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Chapter 1      Product Overview
Front Panel Description
LEDs
You can use the switch LEDs to monitor switch activity and its performance. Figure 1-12 shows the 
switch LEDs and the Mode button that you use to select one of the port modes. 
All the LEDs described here are visible in the embedded device manager and Network Assistant GUIs. 
The switch online help describes how to use the device manager or Network Assistant to configure and 
monitor individual switches and switch clusters.
Figure 1-12 Catalyst 3560 Switch LEDs 
System LED    
For information on the System LED colors during the power-on self-test (POST), see the “Verifying 
Switch Operation” section on page 2-6. 1Mode button5Status LED
2PoE LED
1 
1. The PoE LED is only on the Catalyst 3560 PoE switches.
6RPS LED2
2. The Catalyst 3560-8PC and the Catalyst 3560-12PC-S switches do not have an RPS LED.
3Speed LED7System LED
4Duplex LED8Port LEDs
Table 1-2 System LED 
Color System Status
Off System is not powered on.
Green System is operating normally.
Amber System is receiving power but is not functioning properly.
1X
2X11X
12X123456789101112
SYSTRPS
S TATDUPLXSPEEDPoEMODE
8
2345671
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Catalyst 3560 Switch Hardware Installation Guide
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Front Panel Description
RPS LED 
NoteThe Catalyst 3560-8PC and Catalyst 3560-12PC-S switches do not have an RPS LED.
For more information about the Cisco RPS 2300 and the RPS 675, see the Cisco Redundant Power 
System 2300 Hardware Installation Guide and the Cisco RPS 675 Redundant Power System Hardware 
Installation Guide.
Ta b l e  1 - 3 R P S  L E D  
Color RPS Status
Off RPS is off or not properly connected.
Green RPS is connected and ready to provide back-up power, if required.
Blinking  green RPS is connected but is unavailable because it is providing power to another device 
(redundancy has been allocated to a neighboring device).
Amber The RPS is in standby mode or in a fault condition. Press the Standby/Active button 
on the RPS, and the LED should turn green. If it does not, the RPS fan might have 
failed. Contact Cisco.
Blinking amber The internal power supply in a switch has failed, and the RPS is providing power 
to the switch (redundancy has been allocated to this device). 
						

							 
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Front Panel Description
Port LEDs and Modes
The port LEDs, as a group or individually, display information about the switch and about the individual 
ports:
Even if the PoE mode is not selected, the PoE LED shows PoE problems when they are detected. The 
PoE LED applies only to Catalyst 3560 switches that support PoE.
To select or change a mode, press the Mode button until the desired mode is highlighted. When you 
change port modes, the meanings of the port LED colors also change. Table 1-6 explains how to interpret 
the port LED colors in different port modes. 
Table 1-4 Modes for Port LEDs
Selected 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.
SPEED Port speed The port operating speed: 10, 100, or 1000
1 Mb/s.
1. When installed in Catalyst 3560 switches, 1000BASE-T SFP modules can operate at 10, 100, or 1000 Mb/s in 
full-duplex mode or at 10 or 100 Mb/s in half-duplex mode.
PoE PoE port power The PoE status.
Table 1-5 PoE Mode LED 
Color PoE Status
Off PoE mode is not selected. None of the 10/100 or 10/100/1000 PoE 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 or 10/100/1000 PoE ports has 
been denied power, or at least one of the ports has a PoE fault. 
						

							 
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Front Panel Description
Table 1-6 Meaning of Port LED Colors in Different Modes on the Switch 
Port Mode LED Color Meaning
PoE Off PoE is off.  
 
If the powered device is receiving power from an AC power source, the PoE port LED 
is off even if the powered device is connected to the switch port. 
Green PoE is on. The port LED is green only when the switch port is providing power.
Alternating green 
and amberPoE is denied because providing power to the powered device will exceed the 370 W 
switch power capacity.
Blinking amber PoE is off due to a fault.
CautionPoE faults are caused when noncompliant cabling or powered devices are 
connected to a PoE port. Only standard-compliant cabling can be used to 
connect Cisco prestandard IP Phones or wireless access points or 
IEEE 802.3af-compliant devices to PoE ports. You must remove from the 
network the cable or device that causes a PoE fault. 
Amber PoE for the port has been disabled. By default, PoE is enabled.
STAT 
(port status)Off No link, or port was administratively shut down.
Green Link present.
Blinking green Activity. Port is sending or receiving data.
Alternating 
green-amberLink fault. Error frames can affect connectivity, and errors such as excessive 
collisions, cyclic redundancy check (CRC) errors, and alignment and jabber errors 
are monitored for a link-fault indication.
Amber Port is blocked by Spanning Tree Protocol (STP) and is not forwarding data.
NoteAfter a port is reconfigured, the port LED can remain amber for up to 
30 seconds as STP checks the network topology for possible loops.
Blinking amber Port is blocked by STP and is not sending or receiving packets.
DUPLX 
(duplex)Off Port is operating in half duplex.
Green Port is operating in full duplex.
SPEED
10/100 and 10/100/1000 ports
Off Port is operating at 10 Mb/s.
Green Port is operating at 100 Mb/s.
Blinking green Port is operating at 1000 Mb/s.
SFP ports
Off Port is operating at 10 Mb/s.
Green Port is operating at 100 Mb/s.
Blinking green Port is operating at 1000 Mb/s.
NoteWhen installed in Catalyst 3560 switches, 1000BASE-T SFP modules can 
operate at 10, 100, or 1000 Mb/s in full-duplex mode or at 10 or 100 Mb/s in 
half-duplex mode. 
						

							 
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Rear Panel Description
Dual-Purpose Port LEDs
The LEDs on a dual-purpose port (see Figure 1-13) show whether the RJ-45 connector is connected or 
whether an SFP module is installed. You can configure each port as either a 10/100/1000 port through 
the RJ-45 connector or as an SFP module, but not both at the same time. The LEDs show how the port 
is being used.
The LED colors have the same meaning as described in Table 1-4 to Ta b l e  1 - 6.
Figure 1-13 Dual-Purpose Port LEDs
Cable Guard
You can order an optional cable guard to secure cables to the front of the switch and prevent them from 
being accidentally removed. To order a cable guard (CBLGRD-C3560-12PC or CBLGRD-C3560-8PC), 
contact your Cisco representative. The cable guard serves a different purpose than the cable guide (see 
“Attaching the Cable Guide” section on page 2-11).
Rear Panel Description
Internal Power Supply, page 1-18
Cisco RPS, page 1-19
Console Port, page 1-19
Security Slots, page 1-20
NoteThe Catalyst 3560-8PC and the Catalyst 3560-12PC-S switches do not have an RPS connector or a fan. 
The switch console port is on the front panel.1RJ-45 connector3SFP module port LED
2RJ-45 port LED4SFP module slot
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Rear Panel Description
The switch rear panel has an AC power connector, an RPS connector, and an RJ-45 console port. (See 
Figure 1-14, Figure 1-15, and Figure 1-16 for examples of the Catalyst 3560 rear panels.)
Figure 1-14 Catalyst 3560-24PS and 3560-48PS Switch Rear Panel
Figure 1-15 Catalyst 3560G-24PS, 3560G-48PS, 3560G-24TS, and 3560G-48TS Switch Rear Panel
1RJ-45 console port3RPS connector
2AC power connector4Fan exhaust
RATING
100-200V ~
5.0A-2.5A, 50-60 HZCO
NSOLEDC INPUTS FOR REMOTE
POWER SUPPLY
SPECIFIED IN MANUAL
+12v    @7.5A -48    @7.8A
97914
1234
1RJ-45 console port3RPS connector
2Fan exhaust4AC power connector
CONSOLEDC INPUTS FOR REMOTE
POWER SUPPLY
SPECIFIED IN MANUAL
119678
12
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Rear Panel Description
Figure 1-16 Catalyst 3560V2-24PS, 3560V2-48PS, 3560V2-24TS, 3560V2-48TS Switch Rear Panel
Figure 1-17 Catalyst 3560V2-24TS-SD Switch Rear Panel
1RJ-45 console port3RPS connector
2Fan exhaust4AC power connector
274670CONSOLE
12
34
1RJ-45 console port3RPS connector
2Fan exhaust4DC power connector
274671CONSOLE
12
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Rear Panel Description
The Catalyst 3560-8PC and Catalyst 3560-12PC-S rear panels have an AC power connector and heat 
sinks. (See Figure 1-18.)
Figure 1-18 Catalyst 3560-8PC and Catalyst 3560-12PC-S Switch Rear Panel
Internal Power Supply
An internal power supply powers the switch. The internal power supply is an autoranging unit that 
supports input voltages between 100 and 240 VAC. Use the supplied AC power cord to connect the AC 
power connector to an AC power outlet. 
DC Power Connector
The Catalyst 3560V2-24TS-SD has an internal DC-power converter. It has dual feeds (A and B) that are 
diode-OR-ed into a single power block. For installation instructions, see Appendix C, “Connecting to 
DC Power.”
CautionYou must connect the Catalyst 3560V2-24TS-SD switch only to a DC-input power source that has an 
input supply voltage from –36 to –72 VDC. If the supply voltage is not in this range, the switch might 
not operate properly or might be damaged.1Heat sinks2AC power connector
1
2
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Rear Panel Description
Cisco RPS
Depending on the switch model, you can connect the switch to either of these Cisco redundant power 
systems (RPS) to provide backup power if the switch power supply fails:
“Cisco RPS 2300” section on page 1-19
“Cisco RPS 675” section on page 1-19
Connect the switch and the Cisco RPS to the same AC power source. Use the RPS connector cable 
supplied with the RPS to connect the RPS to the switch.
NoteWhen an RPS is connected to the Catalyst 3560V2-24TS-SD switch, the switch is not Network 
Equipment Building Systems (NEBS) compliant.
NoteThe Catalyst 3560-8PC and Catalyst 3560-12PC-S switches do not have an RPS connector.
For complete information about the Cisco RPS products, including compatibility matrixes listing the 
supported RPS for each Catalyst 3560 switch, see the RPS documents on Cisco.com:
http://www.cisco.com/en/US/products/ps7148/prod_installation_guides_list.html
Cisco RPS 2300 
The Cisco RPS 2300 is a redundant power system that supports six network switches and provides power 
to one or two failed switches at a time. It automatically senses when the internal power supply of a 
connected switch fails and provides power to the failed switch, preventing loss of network traffic. 
The Cisco RPS 2300 has two output levels: -52 V and 12 V. The maximum output power depends on the 
installed power-supply modules. 
Cisco RPS 675
The Cisco 675 RPS is a redundant power system that supports six network devices and provides power 
to one failed switch at a time. It automatically senses when the internal power supply of a connected 
switch fails and provides power to the failed switch, preventing loss of network traffic.
The Cisco RPS 675 has two output levels: –48 V and 12 V. The maximum output power is 675 W. 
Console Port
You can connect the switch to a PC by means of the console port and the supplied RJ-45-to-DB-9 female 
cable. If you want to connect the switch console port to a terminal, you need to provide an 
RJ-45-to-DB-25 female DTE adapter. You can order a kit (part number ACS-DSBUASYN=) containing 
that adapter from Cisco. For console port and adapter pinout information, see the “Connector and Cable 
Specifications” section on page B-1. 
						

							 
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Chapter 1      Product Overview
Management Options
Security Slots
The Catalyst 3560-8PC and the Catalyst 3560-12PC-S switches have security slots on the left and right 
side panels. You can install an optional cable lock, such as that used to secure a laptop, to secure either 
or both sides of the switch.
Figure 1-19 shows the slot on a left-side panel. 
Figure 1-19 Switch Left Panel
Management Options
The Catalyst 3560 switches offer several management options:
Device manager
You can use the device manager in the switch memory to manage individual and standalone 
switches. Device manager is a web interface that offers quick configuration and monitoring. You 
can access the device manager from anywhere in your network through a web browser. For more 
information, see the device manager online help.
Cisco Network Assistant
Cisco Network Assistant is a free software program that you download from Cisco.com and run on 
your PC. It offers advanced options for configuring and monitoring multiple devices, including 
switches, switch clusters, switch stacks, routers, and access points.
Follow these steps:
a.Go to this Web address: http://www.cisco.com/go/NetworkAssistant
You must be a registered Cisco.com user, but you need no other access privileges.
b.Find the Network Assistant installer.
c.Download the Network Assistant installer, and run it. (You can run it directly from the web if 
your browser offers this choice.) 
d.When you run the installer, follow the displayed instructions. In the final panel, click Finish to 
complete the Network Assistant installation.
See the Network Assistant online help and the getting started guide for more information. 1Security slot
1
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