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Switch Installation
Connecting Destination Ports
Connecting to 10/100 and 10/100/1000 Ports
The switch 10/100/1000 ports automatically configure themselves to operate at the speed of attached devices. If the
attached ports do not support autonegotiation, you can explicitly set the speed and duplex parameters. Connecting
devices that do not autonegotiate or that have their speed and duplex parameters manually set can reduce performance
or result in no linkage.
Warning:
Do not connect or disconnect cables to the ports while power is applied to the switch or any device on
the network because an electrical arc can occur. This could cause an explosion in hazardous location installations.
Be sure that power is removed from the switch and cannot be accidentally be turned on, or verify that the area is
nonhazardous before proceeding. Statement 1070
To maximize performance, choose one of these methods for configuring the Ethernet ports:
Let the ports autonegotiate both speed and duplex.
Set the port speed and duplex parameters on both ends of the connection.
The models that support PoE provide up to four ports of either PoE (15.4 W per port; IEEE 802.3af) or PoE+ (30 W per
port; IEEE 802.3at), depending on the power source used.
Caution:
To prevent electrostatic-discharge (ESD) damage, follow your normal board and component handling
procedures.
To connect to 10BASE-T, 100BASE-TX or 1000BASE-T devices, follow these steps:
1.
When connecting to workstations, servers, routers, and Cisco IP phones, connect a straight-through cable to an
RJ-45 connector on the front panel.
When connecting to 1000BASE-T-compatible devices, use a twisted four-pair, Category 5 or higher cable.
The auto-MDIX feature is enabled by default. For configuration information for this feature, see the Cisco IE 4000 Switch
Software Configuration Guide .
2.
Connect the other end of the cable to an RJ-45 connector on the other device. The port LED turns on when both the
switch and the connected device have established a link.
The port LED is amber while Spanning Tree Protocol (STP) discovers the topology and searches for loops. This can take
up to 30 seconds, and then the port LED turns green. If the port LED does not turn on:
The device at the other end might not be turned on.
There might be a cable problem or a problem with the adapter installed in the attached device. See
page 53
for solutions to cabling problems.
3.
Reconfigure and reboot the connected device if necessary.
4.
Repeat Steps 1 through 3 to connect each device.
Installing and Removing SFP Modules
These sections describe how to install and remove SFP modules. SFP modules are inserted into SFP module slots on the
front of the switch. These field-replaceable modules provide the uplink optical interfaces, send (TX) and receive (RX).
You can use any combination of rugged SFP modules. See the release notes on Cisco.com for the list of supported
modules. Each SFP module must be of the same type as the SFP module on the other end of the cable, and the cable
must not exceed the stipulated cable length for reliable communications.
Caution:
When you use commercial SFP modules such as CWDM and 1000BX-U/D, reduce the maximum operating
temperature by 59°F (15°C). The minimum operating temperature is 32°F (0°C).
36
Troubleshooting,
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