Cisco catalyst 2960g-8tc-l manual


















Step 1 Locate the adhesive strip with the rubber feet in the accessory kit. Step 2 Remove the four rubber feet from the adhesive strip, and attach them to the recessed areas on the bottom of the unit. This prevents the switch from sliding on the desk or shelf. Note We strongly recommend that you attach the rubber feet. Doing so helps prevent airflow restriction and overheating. Step 3 Place the switch on the desk or shelf.

Note We strongly recommend that you allow at least 3 inches 7. Do not stack switches or place switches side-by-side unless they are separated on all sides by at least 3 inches 7. Do not place any items on the top of the switch. After the switch is mounted on the desk or shelf, do these tasks to complete the installation:.

Power on the switch. See the switch getting started guide for instructions. Connect to the front-panel ports. The switch can be secured to a desk or shelf with mounting screws. Step 1 Locate the screw template. You can use the template to align the mounting screw holes and also as a guide to make sure that you install the screws into the desk or shelf with proper clearance. Step 2 Position the screw template on top of the desk or shelf so that the two side-by-side slots face the front of the desk or shelf, as shown in Figure This ensures that the power cord faces the rear of the desk or shelf after the switch is installed.

Note Wait before you attach the screw template to the desk or shelf. Step 3 Peel the adhesive strip off the bottom of the screw template, and attach it to the top of the desk or shelf. Step 4 Use a 0. Step 5 Insert three screws in the slots on the screw template, and tighten them until they touch the top of the screw template. Step 6 Remove the screw template from the desk or shelf.

Step 7 Place the switch onto the mounting screws, and slide the switch forward until it locks in place, as shown in Figure Do not stack switches or place switches side-by-side unless they are separated on all sides with at least 3 inches 7.

The template is used to align the mounting screw holes and is also used as a guide to make sure the screws are installed under the desk or shelf with proper clearance. Step 2 Position the screw template underneath the desk or shelf so that the two side-by-side slots face the front of the desk or shelf, as shown in Figure Step 3 Peel the adhesive strip off the bottom of the screw template, and attach it to the underside of the desk or shelf.

Step 5 Insert three screws in the slots on the screw template, and tighten until they touch the top of the screw template. Step 6 Remove the screw template from underneath the desk or shelf. After the switch is mounted under the desk or shelf, do these tasks to complete the installation:.

The steps in this section show how to mount the switch with the front panel facing down as shown in Figure and Figure Warning Read the wall-mounting instructions carefully before beginning installation.

Failure to use the correct hardware or to follow the correct procedures could result in a hazardous situation to people and damage to the system. Note Do not wall-mount the switch with its front panel facing up or sideways. According to safety regulations, wall-mount the switch with its front panel facing down to prevent airflow restriction and to provide easier access to the cables. Follow the steps in this section to install the switch to a wall:.

The template is used to align the mounting screw holes. Step 2 Position the screw template so that the two side-by-side slots face toward the floor, as shown in Figure For the best support of the switch and cables, make sure that you attach the switch securely to a wall stud or to a firmly attached plywood mounting backboard.

Step 3 Peel the adhesive strip off the bottom of the screw template. Figure Installing the Mounting Screws on a Wall. Step 4 Attach the screw template to the wall. Step 5 Use a 0. Step 6 Insert three screws in the slots on the screw template, and tighten until they touch the top of the screw template.

Step 7 Remove the screw template from the wall. Step 8 Place the switch onto the mounting screws, and slide it down until it locks in place, as shown in Figure Figure Installing the Switch On a Wall.

After the switch is mounted on the wall, do these tasks to complete the installation:. Step 1 Place one side of the magnet against the bottom of the switch, as shown in Figure Figure Mounting the Switch with a Magnet. Step 2 Mount the magnet and switch on a metal surface. After the switch is attached to the mounting magnet, do these tasks to complete the installation:.

To install the switch in a inch rack, follow the instructions described in these sections:. Figure shows how to attach a inch bracket to one side of the switch.

Follow the same steps to attach the second bracket to the opposite side. Figure Attaching the inch Brackets for Rack-Mounting. After the brackets are attached to the switch, insert the switch into the inch rack, and align the bracket in the rack.

Use either the pan-head screws or the pan-slotted screws to secure the switch in the rack, as shown in Figure Note We strongly recommend that you allow at least 1. Figure Mounting the Switch in a Inch Rack.

When you connect the switch to switches or hubs, use a crossover cable. When the auto-MDIX feature is enabled, the switch detects the required cable type for copper Ethernet connections and configures the interfaces accordingly. For configuration information for this feature, see the switch software configuration guide or the switch command reference.

When you set the port for autonegotiation, it senses the speed and duplex settings of the attached device and advertises its own capabilities. When using a straight-through or crossover cable for BASE-T connections, be sure to use a twisted four-pair, Category 5 or higher cable for proper operation.

Y ou can use the mdix auto interface configuration command in the CLI to enable the automatic medium-dependent interface crossover auto-MDIX feature. Warning Voltages that present a shock hazard may exist on Power over Ethernet PoE circuits if interconnections are made using uninsulated exposed metal contacts, conductors, or terminals.

Avoid using such interconnection methods, unless the exposed metal parts are located within a restricted access location and users and service people who are authorized within the restricted access location are made aware of the hazard. A restricted access area can be accessed only through the use of a special tool, lock and key or other means of security.

Statement The Auto setting is the default. If the primary source fails, the second power source becomes the primary power source to the powered device. During the power transfer, an IP phone might reboot or reestablish link with the switch. For information about configuring and monitoring PoE ports, see the switch software configuration guide.

These Catalyst switches do not have an SFP module slot:. The transceiver modules are field-replaceable, providing the uplink interfaces when you insert an SFP module. You can use the SFP modules for Gigabit uplink connections to other switches.

For more inform ation about these SFP modules, see your SFP module documentation or the release notes for your switch software. Each port is considered as a single interface with dual front ends—an RJ connector and an SFP module connector.

The dual front ends are not redundant interfaces. The switch activates only one connector of the pair at a time. By default, the switch dynamically selects the interface type that first links up. However, you can use the media-type interface configuration command to manually select the RJ connector or the SFP module connector.

For information about configuring speed and duplex settings for a dual-purpose uplink, see the software configuration guide. The port LED is on the active connector. Through an external AC power adapter that connects to the back of the switch.

You can use the switch LEDs to monitor switch activity and its performance. Figure shows the switch LEDs and the Mode button that you use to select one of the port modes.

The switch software configuration guide describes how to use the CLI to configure and to monitor individual switches and switch clusters. PoE LED 1. The System LED shows whether the system is receiving power and is functioning properly.

Table lists the LED colors and their meanings. System is receiving power but is not functioning properly. RPS is connected and ready to provide back-up power, if required.

RPS is connected but is unavailable because it is providing power to another device redundancy has been allocated to a neighboring device. The RPS is in standby mode or in a fault condition. If it does not, the RPS fan could have failed. Contact Cisco Systems.

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. The port LEDs, as a group or individually, display information about the switch and about the individual ports Table :. The port duplex mode: full duplex or half duplex. SPEED 2. PoE 3.

PoE mode is not selected. 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 explains how to interpret the port LED colors in different port modes. Link 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. Note After a port is reconfigured, the port LED can remain amber for up to 30 seconds as STP checks the network topology for possible loops.

Port is blocked by STP and is not sending or receiving packets. 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.

PoE is on. The port LED is green only when the switch port is providing power. As an example, all the illustrations show the Catalyst TC switch. For alternate mounting procedures, such as installing the switch in a rack or on a wall, see the Catalyst Switch Hardware Installation Guide on Cisco. When you determine where to install the switch, verify that these guidelines are met:. Note We strongly recommend that you allow at least 3 inches 7.

Doing so helps prevent airflow restriction and overheating. We recommend wall-mounting the switch with its front panel facing down to prevent airflow restriction and to provide easier access to the cables. This section includes the basic installation warning statements. Translations of these warning statements appear in the Regulatory Compliance and Safety Information for the Catalyst Switch document that shipped with the switch.

To prevent airflow restriction, allow at least 3 inches 7. Statement 17B. Warning This equipment is intended to be grounded. Ensure that the host is connected to earth ground during normal use.

Statement Warning Class 1 laser product. To place the switch on a desk without using the mounting screws, simply attach the four rubber feet on the bottom panel of the switch. To secure the switch on top of or under a desk or a shelf, or on a wall, use the mounting template and three mounting screws. Follow these steps:. Position the screw template on the mounting surface with the two side-by-side slots forward.

Peel the adhesive strip off the bottom, and attach the template see Figure 1. Use a 0. Insert the screws in the slots on the template, and tighten until they touch the template.

Remove the template from the mounting surface see Figure 1. Place the switch onto the mounting screws, and slide it forward until it locks in place see Figure 2. Position the mounting magnet on the mounting surface see Figure 3. Place the bottom of the switch on the mounting magnet see Figure 3. This section describes how to connect to the switch ports, the SFP module ports, and to the dual-purpose ports.

Use a crossover, twisted four-pair, Category 5 cable when you connect to other switches, hubs, or repeaters. For simplified cabling, the automatic medium-dependent interface crossover auto-MDIX feature is enabled by default on the switch. With auto-MDIX enabled, the switch detects the required cable type for copper Ethernet connections and configures the interfaces accordingly.

Grasp the module on the sides, and insert it into the switch slot until you feel the connector snap into place. For a list of supported modules, see the release notes on Cisco. For detailed instructions on installing, removing, and connecting to SFP modules, see the documentation that came with the SFP module. Only one port can be active at a time.

If both ports are connected, the SFP module port has priority. The priority setting is not configurable. After you connect to the switch port and another device, the port LED turns amber while the switch establishes a link. This process takes about 30 seconds, and then the LED turns green when the switch and the target device have an established link.

If the LED is off, the target device might not be turned on, there might be a cable problem, or there might be a problem with the adapter installed in the target device. See the "In Case of Difficulty" section for information about online assistance. If you experience difficulty, help is available here and on Cisco. This section includes Express Setup troubleshooting, how to reset the switch, how to access help online, and where to find more information.

If Express Setup does not run, or if the Express Setup page does not appear in your browser:. Power cycle the switch. Wait until POST completes. Press the Mode button to enter Express Setup mode. If necessary, press the Mode button to enter Express Setup mode.

Wait 30 seconds before entering Connect to an Ethernet port on the switch and the PC. This section describes how to reset the switch by rerunning Express Setup. These are reasons why you might want to reset the switch:. To reset the switch, press and hold the Mode button. The switch LEDs begin blinking after about 3 seconds.

Continue holding down the Mode button. The LEDs stop blinking after 7 more seconds, and then the switch reboots. The switch now behaves like an unconfigured switch. You can also access the Cisco Technical Support and Documentation website for a list of known hardware problems and extensive troubleshooting documentation, including:. Click Technical Support and Documentation.



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