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This section covers the following topics:
Translated versions of the following safety warnings are provided in "Translated Safety Warnings."
 | Warning Only trained and qualified personnel should be allowed to install or replace this equipment. |
| Warning Do not work on the system or connect or disconnect cables during periods of lightning activity. |
| Warning Unplug the power cord before you work on a system that does not have an on/off switch. |
| Warning Do not touch the power supply when the power cord is connected. For systems with a power switch, line voltages are present within the power supply even when the power switch is off and the power cord is connected. For systems without a power switch, line voltages are present within the power supply when the power cord is connected. |
| Warning Read the installation instructions before you connect the system to its power source. |
| Warning This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure that a fuse or circuit breaker no larger than 120 VAC, 15A U.S. (240 VAC, 10A international) is used on the phase conductors (all current-carrying conductors). |
| Warning To prevent the switch from overheating, do not operate it in an area that exceeds the maximum recommended ambient temperature of 113ºF (45ºC). To prevent airflow restriction, allow at least 3 inches (7.6 cm) of clearance around the ventilation openings. |
| Warning
The device is designed to work with TN power systems. |
| Warning This equipment is intended to be grounded. Ensure that the host is connected to earth ground during normal use. |
| Warning When installing the unit, the ground connection must always be made first and disconnected last. |
| Warning Do not stack the chassis on any other equipment. If the chassis falls, it can cause severe bodily injury and equipment damage. |
| Warning Care must be given to connecting units to the supply circuit so that wiring is not overloaded. |
| Warning A voltage mismatch can cause equipment damage and may pose a fire hazard. If the voltage indicated on the label is different from the power outlet voltage, do not connect the chassis to that receptacle. |
| Warning Ultimate disposal of this product should be handled according to all national laws and regulations. |
U.S. regulatory information for this product is in the front matter and in "Translated Safety Warnings," of this guide.
When determining where to place the switch, ensure the following conditions are met:
Each switch is shipped with the following items:
Before installing and connecting the switch to other network devices, you might want to power up the switch and verify that it is operational. To power up the switch, connect one end of the AC power cord to the AC power connector on the switch and the other end of the power cord to a power outlet. If your switch connects to the RPS, see the "Power Connectors" section and the Cisco RPS documentation.
As the switch powers up, it begins the power-on self-test (POST), the 13 individual tests listed in Table 5-2. The port LEDs show which test the switch is executing. At power up, all port LEDs are green. As each test executes, a port LED turns off. For example, if the LED for port 4x is off, the console port test (test 4) is being executed. The port LED for port 16x turns off first, followed by ports 12x, 11x, 10x, and so on. The LEDs for ports 15x, 14x, 13x are not used during POST. The expansion port LEDs (A and B) are not used during POST.
When POST ends, the following conditions can exist:
The "Understanding POST Failures" section provides additional information, including the possible causes of nonfatal and fatal failures. For information about how to display POST results, see the "Starting Up the Switch and Displaying the POST Results" section.
 | Caution Before you perform the following steps, be sure the switch is powered off and is not connected to a power source. |
To install the switch on a table or shelf, follow these steps:
Step 1 Locate the adhesive strip with the rubber feet that shipped with the switch.
Step 2 Attach the rubber feet to the round recesses on the bottom corners of the switch.
Step 3 Place the switch on a table or shelf close to an AC power receptacle.
Continue to the procedures in the "Connecting to the Console Port" section.
The rack-mounting brackets supplied with the switch can be attached to a 19-, 23-, or 24-inch rack. Figure 2-1 shows which mounting holes attach to the rack.
| Caution Before you perform the following steps, be sure the switch is powered off and is not connected to a power source. |
To attach the brackets and install the switch in 19-, 23-, and 24-inch racks, follow these steps:
Step 1 Place the switch on a level surface.
Step 2 Use two of the supplied Phillips flat-head or truss-head screws to attach a mounting bracket to each side of the switch. Secure all four screws tightly, but do not overtighten them.
The bracket orientation and the screws you use depend on whether you plan to use a 19-, 23-, or a 24-inch rack:
Figure 2-2, Figure 2-3, and Figure 2-4 show how to attach one bracket to one side of the switch. Follow the same steps for the opposite side.
Step 3 Use the four supplied Phillips machine screws to attach each bracket to the rack, as shown in Figure 2-5.
Step 4 Attach the cable guide and secure the cables in the cable guide so that the cables do not obscure the switch or other devices in the rack. If the switch is in a 19-, 23-, or 24-inch rack, you can use the supplied black screws to attach the cable guide to the left or right rack-mount bracket, as shown in Figure 2-6.
Continue to the procedures in the "Connecting to the Console Port" section.
| Caution Before you perform the following steps, be sure the switch is powered off and is not connected to a power source. |
To attach the brackets and attach the switch parallel or vertically to a wall, follow these steps:
Step 1 Place the switch on a level surface.
Step 2 Use two of the supplied Phillips truss-head or flat-head screws to attach a mounting bracket to each side of the switch. Secure all four screws tightly, but do not overtighten them.
The bracket orientation depends on whether you plan to attach the switch parallel or vertically to a wall:
Figure 2-7 shows how to attach one bracket to one side of the switch. Follow the same steps for the opposite side.
Step 3 Attach the switch to a wall. For the best support of the switch and cables, make sure the switch is securely attached to a wall stud or to a firmly attached plywood mounting backboard, as shown in Figure 2-8. You must supply your own screws to attach the switch to the wall.
Continue to the procedures in the "Connecting to the Console Port" section.
To connect the switch RJ-45 console port to a management station or modem, you must use the supplied RJ-45-to-RJ-45 rollover console cable and the appropriate adapter and follow these steps:
Step 1 Make sure the settings of the switch console port and the management station or the modem match.
These are the default settings of the switch console port:
Although the Match Baud Rate option (autobaud) matches the baud rate of an incoming call, the switch uses its configured rate when dialing out. When a call is completed and the line disconnects, the switch always returns to its configured baud rate.
You can change the console port settings from the Console and Upgrade Configuration Page (see the "Changing the Console Port Settings and Upgrading the Firmware" section) or the RS-232 Port Configuration Menu (see the "RS-232 Interface Configuration Menu" section).
Step 2 Connect one end of the supplied rollover console cable to the console port, as shown in Figure 2-9.
Step 3 Attach the appropriate adapter, such as the supplied RJ-45-to-DB-9 female DTE adapter (labeled Terminal), to a management station or modem.
Step 4 Connect the other end of the supplied rollover console cable to the adapter.
Step 5 From your management station, start the terminal emulation program.
Continue to the procedures in the "Powering Up the Switch" section.
Connector and cabling specifications for the console port are in "Connectors and Cables."
If your configuration has an RPS, see the "Power Connectors" section and the Cisco RPS documentation.
Step 1 Make sure that you have started the emulation software program (such as ProComm, HyperTerminal, tip, or minicom) from your management station.
Step 2 Connect one end of the AC power cord to the AC power connector on the switch.
Step 3 Connect the other end of the power cord to an AC power outlet.
As the switch powers up, it starts the series of self-tests described in the "Powering Up and Using POST to Test the Switch" section. When the switch completes POST, the Management Console Logon Screen (Figure 2-10) is displayed on the management station.
Continue to the procedures in the "Assigning IP Information and a Password to the Switch" section.
After POST completes, the Management Console Logon Screen (Figure 2-10) is displayed on the management station. From this logon screen, you can assign IP information and a privileged-level password to the switch. This section describes the importance of IP information and a password to the switch and describes how to assign this information to the switch.
If you do not assign an IP address to the switch, you must add the switch to a switch cluster and manage it through the command switch. Whether or not the switch has its own IP address, when the switch is a cluster member, it is managed and communicates with other member switches through the IP address of the command switch. If the switch leaves the cluster and it does not have its own IP address, you then must assign IP information to it to manage and monitor it as a nonmember switch.
For more information about IP information, see the "Assigning or Changing IP Information" section or the "IP Configuration Menu" section.
When your switch is a cluster member, the highest privileged-level password for the command switch is the privileged-level password to the switch. The command-switch password overwrites any switch-specific passwords.
To assign IP information and a password to the switch, follow these steps from your management station:
Step 1 Enter the [I] IP Address option on the Management Console Logon Screen (Figure 2-10).
Catalyst 2820 Management Console Copyright (c) Cisco Systems, Inc.1993-1999 All rights reserved. Standard Edition Software Ethernet address: 00-E0-1E-7E-B4-40 PCA Number: 73-2239-01 PCA Serial Number: SAD01200001 Model Number: WS-C2822-A System Serial Number: FAA01200001 --------------------------------------- User Interface Menu [M] Menus [I] IP Address [P] Console Password Enter Selection:
The IP Configuration Menu (Figure 2-11) is displayed.
Catalyst 2820 - IP Configuration Ethernet address: 00-E0-1E-7E-B4-40 --------------------Settings------------------ [I] IP address 0.0.0.0 [S] Subnet mask 0.0.0.0 [G] Default gateway 0.0.0.0 [M] IP address of DNS server 1 0.0.0.0 [N] IP address of DNS server 2 0.0.0.0 [D] Domain name [R] Use Routing Information Protocol Enabled ----------------------- Actions ---------------------------------------- [P] Ping [C] Clear cached DNS entries [X] Exit to previous menu Enter Selection:
Step 2 Enter the [I] IP address option from the IP Configuration Menu, and enter the IP address of the switch at the prompt. Use dotted quad format (nnn.nnn.nnn.nnn).
You can also assign the subnet mask and default gateway from this menu. If you do not know the IP information for the switch, contact your system administrator.
Step 3 Enter the [X] Exit option to redisplay the Management Console Logon Screen.
Step 4 Enter the [P] Console Password option on the Management Console Logon Screen, and enter a 4- to 8-character password at the prompt. The password you assign from this option is an unencrypted privileged-level password that controls access to the switch management interfaces.
For more information about assigning passwords, see the "Changing the Switch Password" section.
Step 5 Reenter the password at the confirmation prompt.
Step 6 Press any key to redisplay the Management Console Logon Screen.
Continue to the procedures on connecting the switch to the other devices in your network.
For more information about IP information and passwords, see "Configuring and Monitoring from the Switch Manager," or "Configuring and Monitoring from the Management Console,"
You must provide the Category 3, 4, or 5 cable(s) to connect any of these ports to the other 10BaseT device(s). Because these ports are internally crossed, they require a crossover cable to connect to hubs or other switches. When connecting to workstations, servers, or routers, these ports require a straight-through cable.
The default duplex mode of these ports is half duplex. To change the duplex mode of these ports to full-duplex, use the switch manager, management console, or SNMP. (See the "Changing the Port Settings" section or the "Port Configuration Menu" section.)
To connect a switch 10BaseT port to another 10BaseT device, follow these steps:
Step 1 Connect one end of the Category 3, 4, or 5 cable to the 10BaseT port on the switch (Figure 2-12).
Step 2 Connect the other end of the cable to the 10BaseT port of the network device.
Step 3 Make sure that the LED for the port that you connected in Step 1 turns on.
If the port LED is not on, look for the following problems:
If you are connecting the switch 10-Mbps port to an end-station, which is configured for 100-Mbps, you need to reconfigure the end-station to operate at 10-Mbps.
Step 4 Repeat Steps 1 through 3 for each device that you are connecting to the switch.
Connector and cabling specifications for the 10BaseT ports are in "Connectors and Cables."
The AUI port on the switch can connect to an Ethernet transceiver, which is then connected to a 10-Mbps Ethernet device through thick coaxial, thin coaxial, fiber-optic, or UTP cable. You must provide the Ethernet transceiver and cable to connect the AUI port to the other network device. Supported network and device distances vary depending on the type of Ethernet AUI transceiver used.
The type of cable you use (thick coaxial, thin coaxial, fiber-optic, or twisted-pair) depends on the AUI transceiver that you are using. For information about the cable types you can use, see the "Switched AUI Port" section.
To connect the switch AUI port to an external transceiver, follow these steps:
Step 1 Slide the AUI slide latch bracket to the right, and attach the appropriate external transceiver to the AUI port on the switch.
Step 2 Slide the latch bracket to the left to lock the AUI transceiver to the port.
Step 3 Connect one end of the appropriate cable to the port on the AUI transceiver, as shown in Figure 2-13.
Step 4 Connect the other end of the cable to the 10BaseT port of the network device.
Step 5 Check the LED on the AUI transceiver, or use the Port Management Page or the Port Configuration Menu (10BaseT Ports) to check the AUI port status.
If the port LED is not on, or if the port status is not "Enabled," look for the following problems:
If you are connecting the switch 10-Mbps port to an end-station, which is configured for 100-Mbps, you need to reconfigure the end-station to operate at 10-Mbps.
Connector and cabling specifications for the AUI port are in "Connectors and Cables."
This section describes how to access the following management interfaces if the switch is not a cluster member:
Access to the management console or the CLI requires a direct connection to the switch console port or a Telnet session. Access to the Catalyst 2820 Switch Manager, Cluster Management applications, or SNMP requires a connection to one of the switch network ports.
If the switch is a cluster member, you can access its management interfaces through the command switch. For information about accessing the switch from the command switch, refer to the Cisco IOS Desktop Switch Software Configuration Guide, Catalyst 2900 Series XL and Catalyst 3500 Series XL Cisco IOS Release 12.0(5)XP.
To access the switch manager, your management station must have one of the supported browsers listed on Table 1-10. The following sections describe how to configure your browser for web-based management:
To configure Netscape Communicator, follow these steps:
Step 1 Start Netscape Communicator.
Step 2 From the menu bar, select Edit > Preferences.
Step 3 In the Preferences window, click Advanced.
Step 4 Select the Enable Java, Enable JavaScript, and Enable style sheets check boxes.
Step 5 From the Advanced drop-down list, click Cache.
Step 6 Select Every time.
Step 7 Click OK.
To configure Microsoft Internet Explorer 4.01, follow these steps:
Step 1 Start Internet Explorer.
Step 2 From the menu bar, select View > Internet Options.
Step 3 In the Internet Options window, click Advanced.
(a) Scroll through the list of options until you see Java VM. Select the Java JIT compiler enabled and Java logging enabled check boxes.
(b) Click Apply.
(c) Click General. In the Temporary Internet Files section, click Settings. The Settings window opens.
Step 4 Click Every visit to the page, and click OK.
Step 5 In the Internet Options window, click Security.
(a) In the Zone drop-down list, select Trusted Sites Zone.
(b) In the Trusted Sites Zone section, click Custom.
(c) Click Settings.
Step 6 Select Java > Java Permissions section, and select Custom.
Click Java Custom Setting, which appears at the bottom of the window.
Step 7 In the Trusted Sites Zone window, click Edit Permissions.
(a) If the buttons under Run Unsigned Content are not available, select either Medium or Low security in the Reset Java Permissions list box. Click Reset.
(b) Under Run Unsigned Content, select Enable, and click OK.
Step 8 In the Security Settings window, click OK.
Step 9 In the Internet Options window, click Security.
(a) Verify that the Zone drop-down list is set to Trusted Sites Zone.
(b) In the Trusted Sites Zone section, click Add Sites.
Step 10 In the Trusted Sites Zone window, deselect the Require server verification check box.
(a) In the Add this Web site to the Zone field, enter the IP address of the switch.
(b) Click Add, and then click OK.
Step 11 In the Internet Options window, click Apply, and then click OK.
To configure Microsoft Internet Explorer 5.0, follow these steps:
Step 1 Start Internet Explorer.
Step 2 From the menu bar, select Tools > Internet Options.
Step 3 In the Internet Options window, select the Security tab.
Step 4 Select the Trusted sites icon, and click Sites....
Step 5 In the Trusted Sites Zone window, deselect the Require server verification check box.
(a) In the Add this Web site to the Zone field, enter the IP address of the switch.
(b) Click Add, and then click OK.
Step 6 After you have finished entering the URLs for your switches, click OK.
Step 7 While still in the Security tab of the Internet Options window, click Custom Level....
Step 8 In the Security Settings window, scroll to the Java > Java permissions section.
If you do not see this section, you need to reinstall the browser, and follow the instructions in the note at the beginning of this procedure.
Step 9 Click Custom.
This enables the Java Custom Settings... button.
Step 10 Click Java Custom Settings....
Step 11 In the Trusted Sites window, click Edit Permissions.
Step 12 In the Run Unsigned > Run Unsigned Content section, click Enable.
Step 13 Click OK to close the Trusted Sites window.
Step 14 Click OK to close the Security Settings window.
Step 15 Click OK to close the Internet Options window.
This section describes how to display the switch manager if the switch has its own IP address (as described in the "Assigning IP Information and a Password to the Switch" section). For information about using the command switch to display the web-interface of cluster members, see the Cisco IOS Desktop Switch Software Configuration Guide, Catalyst 2900 Series XL and Catalyst 3500 Series XL Cisco IOS Release 12.0(5)XP.
To display the switch manager, follow these steps:
Step 1 As in the following illustration, enter the switch IP address in the Location field if you are using Communicator (the Address field if you are using Internet Explorer).
If the switch is a cluster member and does not have its own IP address, you need to use the command-switch IP address to display the Catalyst 2820 Switch Manager from a command switch Cluster Management application.
Step 2 Enter the switch password or, if the switch is a cluster member, the command-switch password at the prompt.
The switch manager Home Page is displayed (Figure 2-14).
Continue to configure or monitor the switch from the switch manager, as described in "Configuring and Monitoring from the Switch Manager."
To access the management console, follow these steps:
Step 1 Start up the emulation software (such as ProComm, HyperTerminal, tip, or minicom) on the management station.
Step 2 Establish a connection with the switch by either
The switch supports up to seven simultaneous Telnet sessions. Changes made by one Telnet user are reflected in all other Telnet sessions.
After you connect through the console port or through a Telnet session, the Management Console Logon Screen (Figure 2-15) is displayed on the management station.
Catalyst 2820 Management Console Copyright (c) Cisco Systems, Inc.1993-1999 All rights reserved. Standard Edition Software Ethernet address: 00-E0-1E-7E-B4-40 PCA Number: 73-2239-01 PCA Serial Number: SAD01200001 Model Number: WS-C2822-A System Serial Number: FAA01200001 ------------------------------------------------- User Interface Menu [M] Menus Enter Selection:
Step 3 Enter the [M] Menus option on the Management Console Logon Screen.
Step 4 Enter the switch password or, if applicable, the command-switch password at the prompt.
The Management Console Main Menu (Figure 2-16) is displayed.
Catalyst 2820 - Main Menu [C] Console Settings [S] System [N] Network Management [P] Port Configuration [A] Port Addressing [D] Port Statistics Detail [M] Monitoring [B] Bridge Group [R] Multicast Registration [F] Firmware [I] RS-232 Interface [U] Usage Summaries [H] Help [X] Exit Management Console Enter Selection:
Continue to configure or monitor the switch from the management console, as described in "Configuring and Monitoring from the Management Console."
You can access the switch MIB files through SNMP to configure and monitor the switch.
If you are going to manage the switch by using SNMP and the MIB files, the Read and Write community strings need to be set. To do this, you can either
You can obtain a copy of the MIB files using File Transfer Protocol (FTP) to access the ftp.cisco.com server.
To obtain a MIB file, follow these steps:
Step 1 Use FTP to access the server ftp.cisco.com, or enter ftp.cisco.com from your browser.
Step 2 Log in with the username anonymous.
Step 3 Enter your e-mail name when prompted for the password.
Step 4 At the ftp> prompt, change directories to /pub/mibs/supportlists/wsc2820.
Step 5 Use the get supportlist.html command to get a list of the supported MIB files.
Step 6 Change directories to /pub/mibs/v1.
Step 7 Get the MIB files.
Posted: Thu Oct 28 20:10:38 PDT 1999
Copyright 1989-1999©Cisco Systems Inc.