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![]() | Warning Before you install, operate, or service the system, read the Site Preparation and Safety Guide. This guide contains important safety information you should know before working with the system. |
This configuration note contains procedures for installing and verifying the operation of the
Catalyst 5000 family Supervisor Engine III and uplink modules.
This document contains the following sections:
The Catalyst 5000 family consists of five modular LAN switches:
All switches share the same set of modules and software features, which provide scalability while maintaining interoperability across all platforms.
Table 1 describes the Catalyst 5000 family switches.
| Switch | Description | Features |
|---|---|---|
2-slot switch |
| |
5-slot switch |
| |
5-slot switch |
| |
9-slot switch |
| |
13-slot switch |
| |
Catalyst 5500 (continued) |
|
|


The Supervisor Engine III hardware enables all three 1.2-Gbps backplanes in the Catalyst 5500 series switches to operate independently, providing 3.6-Gbps throughput (when traffic does not have to cross the backplane bus segments).
The Supervisor Engine III boots differently from the earlier supervisor engines. The Supervisor Engine III boot process uses two images: ROM monitor and Catalyst 5000 family supervisor engine software. The ROM monitor is the first software to run when the switch is powered up or reset. Based on how the ROM monitor has been configured, the switch either stays in ROM monitor mode or loads the supervisor engine software (refer to the Software Configuration Guide for your switch for detailed information about using ROM monitor mode).
A configuration register allows you to configure the ROM monitor, and the BOOT environment variable allows you to specify the location and filename of images to boot.
This section describes the Supervisor Engine III physical components.
Supervisor Engine III is available with modular or fixed uplink ports. Supervisor Engine III with modular uplink ports is shown in Figure 3. See the "Supervisor Engine III Uplink Modules" section for uplink module descriptions.
Supervisor Engine III with modular uplink ports is available in three base units that can be configured with any of the available uplink modules:
Supervisor Engine III F with fixed uplink ports is available in the following two configurations:


Table 2 shows the available uplink modules including product numbers and descriptions.
| Product Number | Description |
|---|---|
WS-U5531-FETX | Dual-port 10/100BaseTX RJ-45 |
WS-U5533-FEFX-MMF | Dual-port 100BaseFX MMF SC |
WS-U5534-GESX | Dual-port 1000BaseSX SC |
WS-U5535-FEFX-SMF | Dual-port 100BaseFX SMF SC |
WS-U5536-GELX | Dual-port 1000BaseLX/LH SC |
WS-U5537-FETX | Four-port 10/100BaseTX RJ-45 |
WS-U5538-FEFX-MMF | Four-port 100BaseFX MTRJ |
The uplink module faceplates are displayed in Figure 5 through Figure 11.







This section describes the front panel features of the Supervisor Engine III. (See Figure 12.)

The LEDs on the supervisor engine front panel indicate the status of the system, which includes the supervisor engine, the power supplies, and the fan assembly. Table 3 describes LED operation.
| LED | State | Description |
|---|---|---|
| Indicates the results of a series of self-tests and diagnostic tests. | |
| Green | All the tests pass. |
| Red | Any test fails. |
| Red | During system boot or if the module is disabled. |
| Orange | The redundant power supply is installed but not turned on or receiving input. |
| Orange | The fan module fails. |
| Indicates whether or not the fan is operational. | |
| Green | The fan is operational. |
| Red | The fan is not operational. |
| Indicates whether or not the power supply in the left bay is operational. | |
| Catalyst 5000, Catalyst 5505, Catalyst 5509, and Catalyst 5500 switches: | |
| Green | The power supply in the left bay is operational. |
| Red | The power supply in the left bay is not operational, switched off, or not receiving input power. |
| Off | The power supply in the left bay is off or not installed. Note The Catalyst 5500 power supply LED is red when no modules are installed. |
| Catalyst 5002 switch: | |
| Green | The power supply associated with the PS1 AC receptacle or DC terminal block is operational. |
| Red | The power supply associated with the PS1 AC receptacle or DC terminal block is not receiving input power. |
| Indicates whether or not the power supply in the right bay is operational. | |
| Catalyst 5000, Catalyst 5505, Catalyst 5509, and Catalyst 5500 switches: | |
| Green | The power supply in the right bay is operational. |
| Red | The power supply in the right bay is not operational, switched off, or not receiving input power. |
| Off | The power supply in the right bay is off or not installed. Note The Catalyst 5500 power supply LED is red when no modules are installed. |
| Catalyst 5002 switch: | |
| Green | The power supply associated with the PS2 AC receptacle or DC terminal block is operational. |
| Red | The power supply associated with the PS2 AC receptacle or DC terminal block is not receiving input power. |
1-100% | If the switch is operational, the switch load display indicates (as an approximate percentage) the current traffic load over the backplane (see Figure 13). | |
Green | The supervisor engine is operational and active. | |
| Orange | The supervisor engine module is in standby mode. |
| Supervisor Engine III only: The Flash PC Card SLOT 1 and SLOT 0 LEDs light when their respective slot 1 and slot 0 Flash PC Card devices are accessed by the switch. | |
Green | The port is operating at 100 Mbps. | |
1000 Mbps | Green | The port is operating at 1000 Mbps. |
Green | The port is operational. | |
| Orange | The link has been disabled by software. |
| Flashing orange | The link is bad and has been disabled due to a hardware failure. |
| Off | No signal is detected. |
The Reset button allows you to restart the switch.
The Switch Load display (See Figure 13) provides you with a visual approximation of the current aggregate traffic load across all buses.

The console port allows you to perform the following functions:
The console port is an EIA/TIA-232 asynchronous, serial, full-featured data terminal equipment (DTE) connection with hardware flow control and an RJ-45 connector. A console port accessory kit with the necessary cabling and adapters is provided for making your terminal connections.
See the "Using Flash PC Cards" section for terminal connection and configuration information.
The AUX port is currently not supported.
The Fast Ethernet ports operate in full- or half-duplex mode. These ports support the following connectivity:
The Gigabit Ethernet ports operate in full-duplex mode only. These ports support the 1000BaseSX MMF interface using SC connectors with multimode fiber-optic cable and 1000BaseLX/LH MMF or SMF interfaces using SC connectors with multimode or single-mode fiber-optic cable.
![]() | Caution When connecting the 1000BaseLX/LH uplink module port with 62.5-micron diameter multimode fiber (MMF), we recommend that you install a mode-conditioning patch cord (Cisco product number CAB-GELX-625 or equivalent) between the uplink port and the MMF cable on both the transmit and receive ends of the link. The patch cord is required for link distances greater than 984 feet (300 meters). Otherwise, an effect called differential mode delay might degrade link performance. For more information, refer to the Catalyst 5000 Family Supervisor Engine Installation Guide. |
Refer to Chapter 2, "Installing the Supervisor Engine," in the Catalyst 5000 Family Supervisor Engine Installation Guide for detailed information on using these ports.
The Flash PC card slots are for additional system Flash memory. You can use this Flash memory to store and run supervisor engine software images or to serve as an I/O device. For information on using the Flash PC cards, see the "Removing and Replacing the Supervisor Engine" section.
Onboard memory consists of dynamic random-access memory (DRAM) for the default system software, Flash memory for downloading the system software, and nonvolatile RAM (NVRAM) for the configuration file. Refer to the Release Notes for your supervisor engine software release for the minimum requirements for each supervisor engine.
Flash memory allows you to load and store system software images. You can download a new software image over the network or from a local Trivial File Transfer Protocol (TFTP) server and add the new image to Flash memory or replace an existing file in Flash memory. The Supervisor Engine III Flash memory contains a file system. You can use several commands to manage the file system (such as cd, pwd, dir, delete, and copy). The file system includes the following:
For information on using the Flash PC card, see the "Removing and Replacing the Supervisor Engine" section. For information on configuring Supervisor Engine III to boot from Flash PC card memory devices, see the "Standards Compliance Specifications" section.
An electronically erasable programmable read-only memory (EEPROM) component on the supervisor engine stores module-specific information, such as the module serial number, part number, controller type, hardware revision, configuration information, and other details unique to each module. The supervisor engine EEPROM also contains an address allocator, which is a bank of 1024 hardware or media access control (MAC)-level addresses, one for each possible virtual local area network (VLAN) in the system.
The configuration file is stored in nonvolatile random-access memory (NVRAM).
The ejector levers on the supervisor engine and switching modules align and seat the module connectors in the backplane. (See Figure 14.) If you fail to use the ejector levers to insert the module, you can disrupt the order in which the pins make contact with the backplane. When removing a module, use the ejector levers to ensure that the module connector pins disconnect from the backplane properly. Any supervisor engine or switching module that is only partially connected to the backplane can disrupt the system.

Before you remove a supervisor engine, you should first upload the current configuration to a server. This saves time when bringing the supervisor engine back online.
Enter the write network command to upload the configuration file to the network. Refer to the write, show config, and write config commands in the Command Reference for your switch for examples.
Enter the copy command to download the current configuration to a Flash memory device on the new supervisor engine.
![]() | Caution To prevent ESD damage, handle switching modules by the carrier edges only. |
![]() | Caution When removing or inserting a switching module, always wear an ESD wrist strap connected to the Catalyst 5000 family switch ESD wrist strap connector. |
To remove a supervisor engine, perform the following steps:
Step 1 If you do not plan to immediately reinstall the supervisor engine you are removing, disconnect any network interface cables attached to the module ports.
Step 2 Use a screwdriver to loosen the captive installation screws at the left and right sides of the module.
Step 3 Grasp the left and right ejector levers. Simultaneously pull the left lever to the left and the right lever to the right to release the module from the backplane connector.
Step 4 Grasp the handle of the module with one hand and place your other hand under the carrier to support and guide the module out of the slot. Avoid touching the module itself.
Step 5 Carefully pull the module straight out of the slot, keeping your other hand under the carrier to guide it. Keep the module at a 90-degree orientation to the backplane.
Step 6 Place the removed module on an antistatic mat or antistatic foam.
Step 7 If the slot is to remain empty, install a module filler plate to keep dust out of the chassis and to maintain proper airflow through the module compartment.
![]() | Caution Always install a switching module filler plate in empty switching module slots to maintain the proper flow of cooling air across the modules. |
When installing the supervisor engine, note that it must go in a specific slot:
![]() | Caution To prevent ESD damage, handle switching modules by the carrier edges only. |
![]() | Caution When removing or inserting a switching module, always wear an ESD wrist strap connected to the Catalyst 5000 family switch ESD wrist strap connector. |
To install the supervisor engine, follow these steps:
Step 1 To install the supervisor engine, hold the front panel with one hand, and place your other hand under the carrier to support the supervisor engine. Do not touch the printed circuit boards or connector pins.
Step 2 Align the edges of the supervisor engine carrier with the slot guides on the sides of the switch chassis.
Step 3 Pivot the two module ejector levers out away from the faceplate. The ejector levers are shown pivoted out in Figure 15.

Step 4 Keeping one hand under the carrier to guide the supervisor engine, carefully slide it into the slot on the Catalyst 5000 family switch until the ejector levers click into place on the chassis. Be sure to keep the module horizontal to the backplane and avoid touching any of the components on the module.
Step 5 Using the thumb and forefinger of each hand, simultaneously pivot in both ejector levers, as shown in Figure 15, to fully seat the switching module in the backplane connector.
![]() | Caution Always use the ejector levers when installing or removing switching modules. A module that is partially seated in the backplane will cause the system to halt and subsequently crash. |
Step 6 Use a screwdriver to tighten the captive installation screws at the left and right sides of the module.
This section describes how to remove and replace supervisor engine uplink modules. If you have a supervisor engine with an uplink module already installed and you are replacing the uplink module, see the "Replacing an Uplink Module" section. If you are installing an uplink module into a supervisor engine with no uplink module, see the "Adding an Uplink Module" section.
Use this procedure to remove and replace an uplink module:
Step 1 If not already removed, remove the supervisor engine from the Catalyst 5000 family switch. See the "Removing the Supervisor Engine" section.
Step 2 Use a Phillips-head screwdriver to remove the four screws securing the uplink module to the supervisor engine. (See Figure 16.)

Step 3 Carefully pull the uplink module up and out of the supervisor engine.
Step 4 Place the removed uplink module in an antistatic bag.
Step 5 Remove the new uplink module from its antistatic bag and install it in the supervisor engine. Use care when seating the rear of the uplink module into the connectors.
Step 6 Ensure that the uplink module is securely seated in the supervisor engine.
![]() | Caution Ensure that the module is securely seated before installing and tightening the securing screws. Using the screws to seat the module could warp the module. |
Step 7 Use a Phillips-head screwdriver to install the four screws that secure the uplink module to the supervisor engine.
Step 8 Install the supervisor engine into the Catalyst 5000 family switch. See the "Installing the Supervisor Engine" section.
Use this procedure to add an uplink module to a supervisor engine with no uplink module:
Step 1 If not already removed, remove the supervisor engine from the Catalyst 5000 family switch. See the "Removing the Supervisor Engine" section.
Step 2 Use a Phillips-head screwdriver to remove the two screws securing the blank uplink module filler plate from the supervisor engine. Set the screws in a secure place because they will be reused.
Step 3 Use a Phillips-head screwdriver to remove the two screws from the two standoffs that will secure the rear of the uplink module. Set the screws in a secure place because they will be reused.
Step 4 Remove the new uplink module from its antistatic bag and install it in the supervisor engine. Use care when seating the rear of the uplink module into the connectors.
Step 5 Ensure that the uplink module is securely seated in the supervisor engine.
Step 6 Use a Phillips-head screwdriver to install the four screws that secure the uplink module to the supervisor engine. (See Figure 16.)
![]() | Caution Ensure that the module is securely seated before installing and tightening the securing screws. Using the screws to seat the module could warp the module. |
Step 7 Install the supervisor engine into the Catalyst 5000 family switch. See the "Installing the Supervisor Engine" section.
Supervisor Engine III has two Flash PC card slots: slot 0 (bottom) and slot 1 (top). The Flash PC cards are available in two sizes: 16 and 20 MB.
Before you install a card, verify that the Flash PC card's write protection is off. The write-protection switch is located on the front edge of the card when oriented with the printing right side up and the edge connector end away from you. (See Figure 17.)

To install and remove a Flash PC card, follow this procedure:
Step 1 Face the front panel of the switch and hold the Flash PC card with the connector end of the card toward the slot. The connector end of the card is opposite the end with the write protection switch. (See Figure 17.)
Step 2 Insert the card into the appropriate slot until the card completely seats in the connector at the back of the slot and the eject button pops out toward you. Note that the card does not insert all the way inside the slot; a portion of the card remains outside the slot. Do not attempt to force the card past this point.
Step 3 To eject a card, press the appropriate ejector button until the card is free of the connector at the back of the slot.
Step 4 Remove the card from the slot and place it in an antistatic bag.
Connect the terminal using a thin, flat, RJ-45-to-RJ-45 cable (looks like a telephone cable) and an RJ-45-to-DB-9, RJ-45-to-D-subminiature female, or RJ-45-to-D-subminiature male adapter.
Table 4 lists the pinouts for the console port.
| Console Port | Console Device |
|---|---|
| Pin (signal) | Connect to |
1 is looped to pin 8 |
|
2 (DTR) | DSR |
3 (RxD) | TxD |
4 (GND) | GND |
5 (GND) | GND |
6 (TxD) | RxD |
7 (DSR) | DTR |
8 is looped to pin 1 |
|
Before connecting the console port, check the terminal documentation to determine the baud rate. The baud rate of the terminal must match the default baud rate (9600 baud) of the console port. Set up the terminal as follows:
The Supervisor Engine III has the following interface ports:
The 10/100BaseTX and 100BaseFX ports operate in full- or half-duplex mode. The 1000BaseSX MMF and 1000Base LX/LH MMF and SMF ports operate in full-duplex mode only.
For information on interface cables and equipment, such as Ethernet transceivers, refer to the Catalyst 5000 Family Supervisor Engine Installation Guide.
The 10/100BaseTX RJ-45 port cable connector is shown in Figure 18.

Use SC fiber-optic connectors (see Figure 19) to connect to the 100BaseFX (dual port), 1000BaseSX, and 1000BaseLX/LH ports. Use MTRJ fiber-optic connectors (see Figure 20) to connect to the 100BaseFX (four port) ports. Always keep caps and plugs on the fiber-optic connectors on the cable and on the switch when they are not in use.
![]() | Warning Because invisible laser radiation may be emitted from the aperture of the port when no cable is connected, avoid exposure to laser radiation and do not stare into open apertures. |


The dual-port GBIC uplink module for Supervisor Engine III has Gigabit Ethernet ports that you can configure with any combination of shortwave (SX) or longwave/long-haul (LX/LH) GBICs. A GBIC, shown in Figure 21, is a hot-swappable input/output device that plugs into the module, linking the module with the fiber-optic network. GBIC types are listed in Table 5.

| GBIC | Product Number |
|---|---|
1000BaseSX | WS-G5484 |
1000BaseLX/LH | WS-G5486 |
1000BaseZX | WS-G5487 |
The GBIC slides through an opening in the front of the Gigabit Ethernet module and mates with a connector on the module. See Figure 22.

Use an SC-type fiber-optic connector, shown in Figure 19, to connect the Gigabit Ethernet module ports with the external network. Connect the Gigabit Ethernet interface cables to the appropriate Ethernet network connector.
When using the LX/LH GBIC with 62.5-micron diameter MMF, you must install a mode-conditioning patch cord (Cisco product number CAB-GELX-625 or equivalent) between the GBIC and the MMF cable on both the transmit and receive ends of the link. The patch cord is required for link distances greater than 984 feet (300 m). Refer to the Catalyst 5000 Family Supervisor Engine Installation Guide for more information.
After all interfaces are connected, check all connections, and then perform the following steps to verify that the switch is operational:
Step 1 Check the console terminal and make sure it is on.
Step 2 Verify that the appropriate PS1 and PS2 LEDs on the supervisor engine front panel are green.
Step 3 While the system initializes, check that the System Status LED on the supervisor engine is orange until the boot is complete.
Step 4 Some interface LEDs might go on or blink for a short time. Some LEDs, such as the Link LED, stay on during the entire boot process. If an interface is already configured, the LEDs might be on steadily as they detect traffic on the line. Wait until the system boot is complete before attempting to verify the switching module LED indications.
Step 5 When the system boot is complete (it takes a few seconds), the supervisor engine begins to initialize the switching modules.
During this initialization, the LEDs on each switching module behave differently (most flash on and off). The System Status LED on each switching module goes on when initialization is complete, and the console screen displays a script and system banner.
Step 6 Your hardware installation is now complete. Refer to the Software Configuration Guide and Command Reference for your switch for complete software configuration instructions.
Table 6 lists standards compliance specifications for the Catalyst 5000 family supervisor engine.
Safety Approvals Agency | EMI1, UL2 1950, CSA3-C22.2 No. 950, EN460950, and IEC5 950, TS6 001, AS/NZS7 3260 CE8 Marking | |
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be required to correct the interference at their own expense.
You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures:
Modifications to this product not authorized by Cisco Systems could void the FCC approval and negate your authority to operate this product.
For more detailed installation and configuration information, refer to the following publications:
For instructions on upgrading a Supervisor Engine III with the NFFC or NFFC II, refer to the Software Configuration Guide for your switch.
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Posted: Wed Jan 19 17:34:11 PST 2000
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