The documentation set for this product strives to use bias-free language. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. Learn more about how Cisco is using Inclusive Language.
Note In this publication, the term Catalyst 6500 series refers only to the switch chassis listed in Chapter 1. The Catalyst 6000 series switches (Catalyst 6006 and Catalyst 6009 switches) are described in a separate publication, the Catalyst 6000 Series Switch Installation Guide.
Planning a proper location for the switch and the layout of your equipment rack or wiring closet is essential for successful system operation. You should install the switch in an enclosed, secure area, ensuring that only qualified personnel have access to the switch and control of the environment. Equipment placed too close together or inadequately ventilated can cause system overtemperature conditions. In addition, poor equipment placement can make chassis panels inaccessible and difficult to maintain.
This chapter describes how to prepare your site for switch installation and contains these sections:
Safety warnings appear throughout this publication in procedures that may harm you if performed incorrectly. A warning symbol precedes each warning statement. The warnings below are general warnings that are applicable to the entire publication.
Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement 1030
Warning This unit is intended for installation in restricted access areas. A restricted access area can be accessed only through the use of a special tool, lock and key, or other means of security. Statement 1017
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. Statement 200
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 1072
These sections describe some of the basic site requirements that you should be aware of as you prepare to install your Catalyst 6500 series switch. Environmental factors can adversely affect the performance and longevity of your system. Planning a proper location for the switch and layout of your equipment rack or wiring closet is essential for successful system operation. You should install the switch in an enclosed, secure area, ensuring that only qualified personnel have access to the switch and control of the environment. Equipment that is placed too closely together or that is inadequately ventilated can cause system overtemperature conditions leading to premature component failures. In addition, poor equipment placement can make chassis panels inaccessible and difficult to maintain.
The switch requires a dry, clean, well-ventilated, and air-conditioned environment. To ensure normal operation, maintain ambient airflow. If the airflow is blocked or restricted, or if the intake air is too warm, an overtemperature condition can occur. The switch environmental monitor can then shut down the system to protect the system components.
Multiple switches can be rack-mounted with little or no clearance above and below the chassis. However, when mounting a switch in a rack with other equipment, or when placing it on the floor near other equipment, ensure that the exhaust from other equipment does not blow into the air intake vent of the switch chassis. Refer to Table 1-2 for specific air flow clearances needed.
Temperature extremes can cause a system to operate at reduced efficiency and cause a variety of problems, including premature aging and failure of chips, and failure of mechanical devices. Extreme temperature fluctuations can cause chips to become loose in their sockets. Observe the following guidelines:
Failure to observe these guidelines can damage internal components.
Note The Catalyst 6500 series switches are equipped with internal air temperature sensors that are triggered at 104°F (40°C) generating a minor alarm and at 131°F (55°C) generating a major alarm.
The Catalyst 6500 series switch is designed to be installed in an environment where there is a sufficient volume of air available to cool the supervisor engines, modules, and power supplies. Any constraints placed on the free flow of air through the chassis or an elevated ambient air temperature can cause the switch to overheat and shut down.
To maintain proper air circulation through the Catalyst 6500 series switch chassis, we recommend that you maintain a minimum 6-inch (15 cm) separation between a wall and the chassis air intake or a wall and the chassis hot air exhaust. In situations where the switch chassis are installed in adjacent racks, you should allow a minimum of 12-inches (30.5 cm) between the air intake of one chassis and the hot air exhaust of another chassis. Failure to maintain adequate spacing between chassis can cause the switch chassis that is drawing in the hot exhaust air to overheat and fail. On Catalyst 6500 series chassis in which the airflow is from front to back, the chassis may be placed side-to-side.
If you are installing your Catalyst 6500 series switch in an enclosed or partially enclosed rack, we strongly recommend that you verify that your site meets the following guidelines:
– If the ambient intake air temperature is less than 104°F (40°C), the rack meets the intake air temperature criterion.
– If the ambient intake air temperature exceeds 104°F (40°C), the system might experience minor temperature alarms and is in danger of overheating.
– If the ambient intake air temperature equals or is greater than 131°F (55°C), the system will experience a major temperature alarm and shut down.
– If the difference between the measured intake air temperature and the exhaust air temperature does not exceed 10°C, there is sufficient airflow in the rack.
– If the difference in air temperature exceeds 10°C, there is insufficient airflow to cool the chassis.
Note The 10°C temperature differential between the intake and the exhaust must be determined by taking measurements using external digital temperature probes. Do not use the chassis internal temperature sensors to measure the temperature differential.
Cisco Systems has identified two rack-enclosures that are determined to be Cisco-compatible:
Panduit Corporation—The Net-Access Cabinet (p/n CN4-1) is determined to be Cisco-compatible for the Catalyst 6500 series product line. Contact Panduit Corporation for further information on this rack enclosure. Their corporate website is http://www.panduit.com. Their Customer Service and Technical Support phone number is 800 777-3300.
Chatsworth Products, Inc.—The N-Series TeraFrame Network Cabinet (p/n NF2K-113C-C42) is determined to be Cisco-compatible for the Catalyst 6500 series product line. Contact Chatsworth Products, Inc. for further information on this rack enclosure. Their corporate website is http://www.chatsworth.com. Their Customer Service and Technical Support phone number is 800 834-4969 (Monday to Friday, 5 a.m. to 5 p.m., (0500 to 1700) Pacific Time).
The chassis fan assembly provides cooling air for the supervisor engine and the switching modules. Table 1-1 lists the Catalyst 6500 series switch chassis along with the supported and unsupported fan trays. Table 1-2 lists the chassis air flow architecture and requirements for the Catalyst 6500 series switches. If an individual fan within the assembly fails, the FAN STATUS LED turns red. Individual fans within a fan tray assembly cannot be replaced; you must replace the entire fan tray assembly. To replace a fan tray assembly, see the “Removing and Installing the Fan Tray” section.
Refer to your software configuration guide for information on environmental monitoring.
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WS-6509-NEB-UPGRD1 (high speed) |
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Optional high-speed fan tray2 |
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Catalyst 6509-NEB-A3 |
Yes4 |
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Catalyst 6509-V-E 2 |
Yes 3 |
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Figure 1-1 Catalyst 6503 and Catalyst 6503-E Switch Internal Airflow
Figure 1-2 Catalyst 6504-E Switch Internal Airflow
Figure 1-3 Catalyst 6506 Switch Internal Airflow
Figure 1-4 Catalyst 6506-E Switch Internal Airflow
Figure 1-5 Catalyst 6509 Switch Internal Airflow
Figure 1-6 Catalyst 6509-E Switch Internal Airflow
Figure 1-7 Catalyst 6509-NEB Switch Internal Airflow
Figure 1-8 Catalyst 6509-NEB-A and Catalyst 6509-V-E Switch Internal Airflow
Figure 1-9 Catalyst 6513 Switch Internal Airflow
Figure 1-10 Catalyst 6513-E Switch Internal Airflow
High-humidity conditions can cause moisture migration and penetration into the system. This moisture can cause corrosion of internal components and degradation of properties such as electrical resistance, thermal conductivity, physical strength, and size. Extreme moisture buildup inside the system can result in electrical shorts, which can cause serious damage to the system. Each system is rated to operate at 8 to 80 percent relative humidity, with a humidity gradation of 10 percent per hour. In storage, a system can withstand from 5 to 95 percent relative humidity. Buildings in which climate is controlled by air-conditioning in the warmer months and by heat during the colder months usually maintain an acceptable level of humidity for system equipment. However, if a system is located in an unusually humid location, a dehumidifier can be used to maintain the humidity within an acceptable range.
Operating a system at high altitude (low pressure) reduces the efficiency of forced and convection cooling and can result in electrical problems related to arcing and corona effects. This condition can also cause sealed components with internal pressure, such as electrolytic capacitors, to fail or perform at reduced efficiency. Each system is rated to operate at altitudes from –50 to 6500 feet (–16 to 1981 meters) and can be stored at altitudes of –50 to 35,000 feet (–16 to 10,668 meters).
Fans cool power supplies and system components by drawing in room temperature air and exhausting heated air out through various openings in the chassis. However, fans also ingest dust and other particles, causing contaminant buildup in the system and increased internal chassis temperature. A clean operating environment can greatly reduce the negative effects of dust and other particles, which act as insulators and interfere with the mechanical components in the system. The standards listed below provide guidelines for acceptable working environments and acceptable levels of suspended particulate matter:
Corrosion of system connectors is a gradual process that can eventually lead to intermittent failures of electrical circuits. The oil from a person’s fingers or prolonged exposure to high temperature or humidity can corrode the gold-plated edge connectors and pin connectors on various components in the system. To prevent corrosion, avoid touching contacts on boards and cards, and protect the system from extreme temperatures and moist, salty environments.
Electromagnetic interference (EMI) and radio frequency interference (RFI) from a system can adversely affect devices such as radio and television (TV) receivers operating near the system. Radio frequencies emanating from a system can also interfere with cordless and low-power telephones. Conversely, RFI from high-power telephones can cause spurious characters to appear on the system monitor. RFI is defined as any EMI with a frequency above 10 kilohertz (kHz). This type of interference can travel from the system to other devices through the power cable and power source or through the air like transmitted radio waves. The Federal Communications Commission (FCC) publishes specific regulations to limit the amount of EMI and RFI emitted by computing equipment. Each system meets these FCC regulations. To reduce the possibility of EMI and RFI, follow these guidelines:
When wires are run for any significant distance in an electromagnetic field, interference can occur between the field and the signals on the wires. This fact has two implications for the construction of plant wiring:
Note To predict and remedy strong EMI, you may also need to consult experts in radio frequency interference (RFI).
If you use twisted-pair cable in your plant wiring with a good distribution of grounding conductors, the plant wiring is unlikely to emit radio interference. If you exceed the recommended distances, use a high-quality twisted-pair cable with one ground conductor for each data signal when applicable.
If the wires exceed the recommended distances, or if wires pass between buildings, give special consideration to the effect of a lightning strike in your vicinity. The electromagnetic pulse caused by lightning or other high-energy phenomena can easily couple enough energy into unshielded conductors to destroy electronic devices. If you have had problems of this sort in the past, you may want to consult experts in electrical surge suppression and shielding.
Catalyst 6500 series switches have been shock- and vibration-tested for operating ranges, handling, and earthquake standards to NEBS (Zone 4 per GR-63-Core). These tests have been conducted in earthquake environment and criteria, office vibration and criteria, transportation vibration and criteria, and packaged equipment shock.
Systems are especially sensitive to variations in voltage supplied by the AC power source. Overvoltage, undervoltage, and transients (or spikes) can erase data from memory or even cause components to fail. To protect against these types of problems, power cables should always be properly grounded. Also, place the system on a dedicated power circuit (rather than sharing a circuit with other heavy electrical equipment). In general, do not allow the system to share a circuit with any of the following:
Besides these appliances, the greatest threats to a system power supply are surges or blackouts that are caused by electrical storms. Whenever possible, turn off the system and any peripherals, and unplug them from their power sources during thunderstorms. If a blackout occurs—even a temporary one—while the system is turned on, turn off the system immediately and disconnect it from the electrical outlet. Leaving the system on may cause problems when the power is restored; all other appliances left on in the area can create large voltage spikes that can damage the system.
You must install a NEBS-compliant system ground as part of the chassis installation process. Chassis installations that rely only on the AC third-prong ground are insufficient to properly and adequately ground the systems.
Proper grounding practices ensure that the buildings and the installed equipment within them have low-impedance connections and low-voltage differentials between chassis. When you include NEBS-compliant system grounds, you reduce or prevent shock hazards, greatly reduce the chances of equipment damage due to transients, and substantially reduce the potential for data corruption.
Without proper and complete system grounding you run the risk of increased component damage due to ESD. Additionally, you have a greatly increased chance of data corruption, system lockup and frequent system reboot situations by not using a system (NEBS compliant) ground.
Table 1-3 lists some general grounding practice guidelines.
Note In all situations, grounding practices must comply with Section 250 of the National Electric Code (NEC) requirements or local laws and regulations. A 6 AWG grounding wire is preferred from the chassis to the rack ground or directly to the common bonding network (CBN). The equipment rack should also be connected to the CBN with 6 AWG grounding wire.
Note In installations where FXS modules are installed, supplemental grounding is required.
Note Always ensure that all of the modules are completely installed and that the captive installation screws are fully tightened. In addition, ensure that all I/O cables and power cords are properly seated. These practices are normal installation practices and must be followed in all installations.
When working on electrical equipment, follow these guidelines:
– Use extreme caution; do not become a victim yourself.
– Disconnect power from the system.
– If possible, send another person to get medical aid. Otherwise assess the condition of the victim, and then call for help.
– Determine if the person needs rescue breathing or external cardiac compressions; then take appropriate action.
– The power cable or plug is damaged.
– An object has fallen into the product.
– The product has been exposed to water or other liquids.
– The product has been dropped or shows signs of damage.
– The product does not operate correctly when you follow the operating instructions.
Electrostatic discharge (ESD) damage, which can occur when modules or other FRUs are improperly handled, results in intermittent or complete failures. Modules consist of printed circuit boards that are fixed in metal carriers. Electromagnetic interference (EMI) shielding and connectors are integral components of the carrier. Although the metal carrier helps to protect the board from ESD, always use an ESD grounding strap when handling modules.
To prevent ESD damage, follow these guidelines:
Note This system ground is also referred to as the network equipment building system (NEBS) ground.
After you install the system ground lug, follow these steps to correctly attach the ESD wrist strap:
Step 1 Attach the ESD wrist strap to bare skin as follows:
a. If you are using the ESD wrist strap supplied with the FRUs, open the wrist strap package and unwrap the ESD wrist strap. Place the black conductive loop over your wrist and tighten the strap so that it makes good contact with your bare skin.
b. If you are using an ESD wrist strap equipped with an alligator clip, open the package and remove the ESD wrist strap. Locate the end of the wrist strap that attaches to your body and secure it to your bare skin.
Step 2 Grasp the spring or alligator clip on the ESD wrist strap and momentarily touch the clip to a bare metal spot (unpainted surface) on the rack. We recommend that you touch the clip to an unpainted rack rail so that any built-up static charge is then safely dissipated to the entire rack.
Step 3 Attach either the spring clip or the alligator clip to the ground lug screw as follows (See Figure 1-11):
a. If you are using the ESD wrist strap that is supplied with the FRUs, squeeze the spring clip jaws open, position the spring clip to one side of the system ground lug screw head, and slide the spring clip over the lug screw head so that the spring clip jaws close behind the lug screw head.
Note The spring clip jaws do not open wide enough to fit directly over the head of the lug screw or the lug barrel.
b. If you are using an ESD wrist strap that is equipped with an alligator clip, attach the alligator clip directly over the head of the system ground lug screw or to the system ground lug barrel.
Figure 1-11 Attaching the ESD Wrist Strap Clip to the System Ground Lug Screw
When handling modules, follow these guidelines:
When preparing your site for the switch installation, follow these requirements:
This section provides the basic guidelines for connecting the Catalyst 6500 series switch AC power supplies to the site power source:
– The 950 W power supply requires a 15 A circuit.
– The 1000 W power supply requires a 15 A or 20 A circuit.
– The 1300 W, 1400 W, 2500 W, 2700 W, and 3000 W power supplies require a 20 A circuit.
– The 4000 W power supply requires a 30 A circuit.
– The 6000 W power supply requires one or two 20 A circuits.
– The 8700 W power supply requires one, two, or three 20 A circuits.
– Circuits should be sized according to local and national codes.
This section provides the basic guidelines for connecting the Catalyst 6500 series switch DC-input power supplies to the site power source:
When running power and data cables together in overhead cable trays or subfloor cable trays, be aware of the following caution:
Also be aware of the following caution concerning the use of Category 5e and Category 6 Ethernet cables:
Table 1-4 lists the site planning activities that you should perform prior to installing the Catalyst 6500 series switch. Completing each activity helps ensure a successful switch installation.
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