The internal power supply is an autoranging unit that supports input voltages between and VAC. Depending on the switch model, you can connect the switch to either of these Ci sco redundant power systems RPS to provide backup power if the switch power supply fails:. The Cisco RPS 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 total maximum output power depends on the installed power-supply modules. All supported, connected switches can simultaneously communicate with the RPS You can configure these RPS features through the switch software:.
The Cisco RPS is a redundant power system that supports six network devices and provides power to one failed switch at a time. The total maximum output power is W. Note The console port on the Catalyst 8-port switches is on the front panel rather than on the rear panel. The Catalyst 8-port switches have security slots on the left and right side panels. You can install an optional cable lock, such as the type that is used to secure a laptop computer, to secure either or both sides of the switch.
Figure shows the slot on a left-side panel. Figure Switch Left Panel. The Catalyst switches offer several management options:. Network Assistant is available at no cost and can be downloaded from this URL:. You can use the device manager, which is 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. You can fully configure and monitor the switch and switch cluster members from the CLI.
You can access the CLI either by connecting your management station directly to the switch console port or by using Telnet from a remote management station.
The CiscoView device-management application displays the switch image that you can use to set configuration parameters and to view switch status and performance information. See the CiscoView documentation for more information. The Cisco Configuration Engine is a network management device that works with embedded CNS agents in the switch software. You can use Cisco Configuration Engine to automate initial configurations and configuration updates on the switch. See the switch software configuration guide on Cisco.
The software configuration guide also provides examples of network configurations that use the switch to create dedicated network segments that are interconnected through Gigabit Ethernet connections. Skip to content Skip to search Skip to footer. Book Contents Book Contents. Find Matches in This Book. PDF - Complete Book 3. Updated: February 3, Chapter: Product Overview.
Product Overview The Catalyst switch—also referred to as the switch —is an Ethernet switch to which you can connect devices such as workstations, Cisco Wireless Access Points, Cisco IP Phones, and other network devices including servers, routers, and other switches. Each of the PoE ports on the Catalyst switches deliver up to On a per-port basis, you can control whether or not a Catalyst PoE port automatically provides power when an IP phone or an access point is connected.
The powered device might switch to the AC power source as its primary power source upon being connected to it. In that case, the PoE port becomes the backup power source for the powered device.
Green System is operating normally. Amber System is receiving power but is not functioning properly. 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. 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. This is the default mode. Blinking amber PoE mode is not selected.
Green Link present. Blinking green Activity. Port is sending or receiving data. Alternating green-amber Link fault. Blinking amber Port is blocked by STP and is not sending or receiving packets. Green Port is operating in full duplex. PoE Off PoE is off. Green PoE is on. The bracket orientation and the brackets that you use depend on whether you are attaching the brackets for a inch or a inch rack.
Figure to Figure show how to attach each type of bracket to one side of the switch. Follow the same steps to attach the second bracket to the opposite side. After the brackets are attached to the switch, use the four supplied number Phillips machine screws to securely attach the brackets to the rack, as shown in Figure Figure Mounting the Catalyst Switch in a Rack.
After the switc h is mounted in the rack, do these tasks to complete the installation:. We recommend that you attach the cable guide to prevent the cables from obscuring the front panel of the switch and the other devices installed in the rack. Use the supplied black screw shown in Figure to attach the cable guide to the left or right bracket. To install the switch on a wall, follow the instructions in these sections:. Figure shows how to attach a inch bracket to one side of the switch. Figure Attaching the inch Brackets for Wall-Mounting.
If your switch has an RPS connector and you are not using an RPS with your switch, use the two Phillips pan-head screws to attach the RPS connector cover to the back of the switch, as shown in Figure For the best support of the switch and cables, make sure the switch is attached securely to wall studs or to a firmly attached plywood mounting backboard.
Mount the switch with the front panel facing up, as shown in Figure Warning To comply with safety regulations, mount the switches on a wall with the front panel facing up. Figure Mounting the Switch on a Wall. After the switch is mounted on the wall, do these tasks to complete the installation:. Step 1 Locate the adhesive strip with the rubber feet in the mounting-kit envelope.
Attach the four rubber feet to the recessed areas on the bottom of the unit. Step 2 Place the switch on the table or shelf near an AC power source. After the switch is mounted on the table, do these tasks to complete the installation:. Note When the connectors are not being used, replace the dust covers on them for protection. 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.
To maximize performance, choose one of these methods for configuring the Ethernet ports:. Step 1 When connecting to workstations, servers, routers, and Cisco IP Phones, connect a straight-through cable to an RJ connector on the front panel. See Figure When connecting to switches or repeaters, use a crossover cable. The auto-MDIX feature is enabled by default. For configuration information for this feature, see the switch software configuration guide or the switch command reference.
Figure Connecting to an Ethernet Port. Step 2 Connect the other end of the cable to an RJ connector on the other device. The port LED turns on when both the switch and the connected device have established link.
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, or there might be a cable problem or a problem with the adapter installed in the attached device.
Step 3 Reconfigure and reboot the connected device if necessary. Step 4 Repeat Steps 1 through 3 to connect each device. These field-replaceable modules provide the uplink optical interfaces, laser send TX and laser receive RX. You can use any combination of SFP modules. Refer to the Catalyst switch release notes for the list of SFP modules that the Catalyst switch supports.
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.
For detailed instructions on installing, removing, and cabling the SFP module, refer to your SFP module documentation. Figure shows an SFP module that has a bale-clasp latch. Step 1 Attach an ESD-preventive wrist strap to your wrist and to a bare metal surface on the chassis. Step 3 Align the SFP module in front of the slot opening.
Step 4 Insert the SFP module into the slot until you feel the connector on the module snap into place in the rear of the slot. Step 5 Remove the dust plugs from the SFP module optical ports and store them for later use.
Step 3 Insert a dust plug into the optical ports of the SFP module to keep the optical interfaces clean. If the module has a bale-clasp latch, pull the bale out and down to eject the module. If the bale-clasp latch is obstructed and you cannot use your index finger to open it, use a small, flat-blade screwdriver or other long, narrow instrument to open the bale-clasp latch.
Step 5 Grasp the SFP module between your thumb and index finger, and carefully remove it from the module slot. Step 6 Place the removed SFP module in an antistatic bag or other protective environm ent. This section describes how to connect to SFP modules. Step 1 Remove the rubber plugs from the module port and fiber-optic cable, and store them for future use.
Step 3 Insert the other cable end into a fiber-optic receptacle on a target device. Step 4 Observe the port status LED. The LED turns green when the switch and the target device have an established link. This process takes about 30 seconds, and then the port LED turns green. If the LED is off, the target device might not be turned on, there might be a cable problem, or there might be problem with the adapter installed in the target device.
Step 5 If necessary, reconfigure and restart the switch or target device. When connecting to servers, workstations, and routers, insert a four twisted-pair, straight-through cable in the RJ connector. When connecting to switches or repeaters, insert a four twisted-pair, crossover cable.
Step 2 Insert the other cable end in an RJ connector on a target device. Step 3 Observe the port status LED. Step 4 If necessary, reconfigure and restart the s witch or target device.
Only one port can be active at a time. If both ports are connected, the SFP module port has priority. You cannot configure the priority setting. The EMC regulatory statements are also included in that guide. These documents provide complete information about the switch and are available from this Cisco.
Note Before installing, configuring, or upgrading the switch, refer to the release notes on Cisco. For information about related products, see these documents on Cisco. These compatibility matrix documents are available from this Cisco. Skip to content Skip to search Skip to footer. Book Contents Book Contents. Find Matches in This Book. PDF - Complete Book 3. Updated: February 3, Chapter: Preface.
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