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Cisco 7010 Product Numbers: CHAS-7010-DC=, CHAS-7010-AC= Cisco 7505 Product Numbers: CHAS-7505-DC=, CHAS-7505-AC=
Customer Order Number: DOC-781230=
This document provides instructions for replacing Cisco 7010 and Cisco 7505 chassis as spare parts.
Chassis are available as spare parts, and include all of the components required for operation except the processor modules. After you replace the chassis, you must move the processor modules from your old chassis into your new chassis.
The replacement chassis do not include the cable management or rack-mounting hardware kits. You can move the rack-mounting hardware and cable management brackets from the existing chassis, or order either kit as a spare part, which will ship with installation instructions.
The sections in this document include the following:
The Cisco 7010 is the five-slot model in the Cisco 7000 series. The Cisco 7010 provides three interface processor slots. Figure 1 shows the interface processor end of the Cisco 7010. The Route Processor (RP) and Switch Processor (SP) (or Silicon Switch Processor [SSP]), which are required system components in all Cisco 7000 Series routers, occupy the two top slots. The remaining three slots support any combination of interface types: Ethernet, Token Ring, FDDI, and so forth.
The Cisco 7505 is a five-slot model that provides four interface processor slots. Figure 2 shows the interface processor end of the Cisco 7505. The Route Switch Processor (RSP1), which is a required system component in the Cisco 7505 router, occupies the top slot. The remaining four slots support any combination of interface types: Ethernet, Token Ring, FDDI, and so forth.
The interface processor end of the chassis also contains the AC power receptacle (a DC-input power supply is also available, but not shown), the system power on/off switch, and the DC OK power status LED, all of which are part of the power supply but accessible through cutouts in the chassis frame. (See Figure 1 or Figure 2.) To the left of the power switch and receptacle cutout is the chassis ground screw that provides a chassis ground connection for ESD equipment or a grounding wire.
The removable chassis cover panel at the noninterface processor end of the router provides access to the internal components. (See Figure 3.)
Two captive slotted screws secure the chassis cover panel to the noninterface processor end of the chassis. The cover shields against electromagnetic interference (EMI) and helps direct the flow of cooling air through the chassis. Therefore, never operate the router with the cover removed.
For detailed descriptions of the system components, refer to the Cisco 7010 Hardware Installation and Maintenance or Cisco 7505 Hardware Installation and Maintenance publications.
Before you begin this installation, review the safety guidelines in this section to avoid injuring yourself or damaging the equipment. This section also provides a list of the tools that you need to perform this replacement.
The following guidelines will help to ensure your safety and protect the equipment. These guidelines are not inclusive of all potentially hazardous situations, so be alert.
The following are general precautions for any workplace:
Follow these guidelines when working with any electrical equipment:
In addition, use the guidelines that follow when working with any equipment that is connected to telephone wiring or other network cabling:
A fully configured chassis weighs approximately 70 pounds. Before installing the new (replacement) chassis, ensure that your site is properly prepared, so you can avoid having to move the chassis later to accommodate power sources and network connections.
Electrostatic discharge (ESD) damage, which can occur when electronic boards or components are handled improperly, can result in complete or intermittent failures. The processor modules each comprise a printed circuit board that is fixed in a metal carrier. EMI shielding, connectors, and a handle are integral components of the carrier. Handle processor modules by the metal frame or carrier only; avoid touching the board (particularly avoid touching any components, connector pins, or the metal fingers on the edge connector).
Following are guidelines for preventing ESD damage:
If possible, position the new replacement chassis close enough to the existing system so that you can avoid having to disconnect power and interface cables. Be sure to disengage any strain relief devices before attempting to pull the cables from the port. Following are descriptions of the different methods of strain relief that are used on the AC-input and DC-input power cables and the various types of network interface cables:
When removing any cable, pull the cable out at the connector; never pull or tug on the cable itself. For detailed descriptions of the system components, refer to the Cisco 7010 Hardware Installation and Maintenance or Cisco 7505 Hardware Installation and Maintenance publications.
Although some network downtime is unavoidable while you remove the RP and SP (or SSP) or RSP1 from their respective chassis, and replace them in the new chassis, you can minimize the downtime by placing the old and new chassis close together. If your existing chassis is mounted in a rack and there is space in the same rack or another rack close by, we recommend that you install the new, empty chassis in the rack before moving the components. (A fully configured chassis weighs approximately 70 pounds.)
Before installing the chassis in a new rack location, ensure that routing the interface cables to the new positions will not strain or tangle them.
You can further minimize downtime by leaving interface cables attached when you move interface processors to the new chassis, provided that doing so will not strain the cables.
Leave network interface cables connected to the interface ports only if the following conditions are true:
Also, ensure that your new chassis allows sufficient clearance for maintenance: to remove and replace processor modules and interface cables at the interface processor end, and to access the internal components at the noninterface processor end. Figure 4 shows the chassis footprint and the clearance required to remove or install each of the major components.
This section lists the tools and parts you will need to complete these replacement procedures. Have the necessary tools on hand so that you can complete the replacement without interruption:
The RP, SP (or SSP), and RSP1 are required system components in their respective chassis; you must shut down the system power before removing or installing any one of these three processor modules. All interface processors support online insertion and removal (OIR); however, after installing an interface processor on line, you must wait at least 15 seconds for the system to reinitialize the interfaces before installing the next interface processor. Therefore, it is more efficient to leave the power off until all components are moved into the new chassis, then start up the system and check the entire installation.
If you are installing the new chassis in an equipment rack, proceed to the next section. Otherwise, proceed to the section "Installing the Cable Management Brackets" on page 12.
This section describes how to replace a chassis that is installed in an equipment rack. The order in which you remove the existing system, install the new chassis, and replace the components will vary depending upon the space available in the rack and in the work area.
Some rack configurations, such as an enclosed rack or a rack with a power strip that limits access, prohibit the normal installation sequence of first installing the chassis in the rack and then installing the cable management brackets before installing the processor modules. In these situations, you can move all the components into the new chassis before installing it in the rack, but ensure that you follow the safety guidelines for lifting and working with electrical equipment that are provided in the section "Safety Guidelines" beginning on page 4.
If there is sufficient space available in the same rack (or an adjacent rack) and you have a rack-mount kit available, you can install the new (replacement) chassis before you remove the existing system. You can minimize downtime and avoid having to disconnect network interface cables by leaving the existing system operating while you install the empty replacement chassis in the rack. Also, an empty chassis is significantly lighter and easier to handle than one that is fully configured. Just ensure that both chassis, when installed, will be close enough to avoid straining the interface cables connected to the interface processors.
If you must remove the existing system to make room for the replacement chassis, or if you need the existing rack mounting hardware to mount the new chassis, you will have to disconnect all network interface cables before removing the existing system from the rack. You can leave the system components in the old chassis until after you install the new, empty chassis in the rack.
Assess your rack and lab configuration and the equipment you have available, then choose the appropriate replacement procedure from the following:
Before removing the existing chassis from the rack, you must shut down the system power and disconnect the power cord and all interface cables. To help avoid problems when you install the new chassis, label all interface cables with their slot/port address and mark the positions of the chassis ears (with tape, chalk, or a marker) so that you can install the new chassis in the same position.
Two chassis ears support the chassis in the rack. The ears are secured to the chassis sides and to the rack posts, so that the chassis is cantilevered off the ears. We recommend that two people perform this procedure: one person to support the chassis while the other person removes the screws that secure the ears to the rack.
Follow these steps to remove the existing chassis from the rack:
Step 1 Turn off the system power and disconnect the power cord and all interface cables from the chassis.
Step 2 Have a second person support the chassis while you perform this step. From the front of the rack, use a 1/4-inch flat-blade screwdriver to loosen and remove each of the eight 10-32 x 3/8-inch, slotted screws (four on each side) that secure the chassis ears to the rack.
Step 3 Pull the chassis out of the rack and place it on the floor or a table.
Step 4 Use a number 2 Phillips screwdriver to loosen and remove the two M4 x 10-mm, Phillips flathead screws that secure the ears to the chassis sides.
Step 5 Pull the ears off the chassis, and place the ears and all fasteners aside.
This completes the chassis removal procedure. If you have not yet installed the new chassis in the rack, proceed to the next section.
Mount the chassis in the rack before connecting any interface or power cables. If possible, install the new, empty chassis in the rack first, then install the system components from the old chassis. The chassis is supported in the rack by two chassis ears, which attach to the sides of the chassis and to the mounting strips on the rack. Each chassis ear has two studs that fit into holes in either the interface processor end or the noninterface processor end of the chassis, whichever will be in the front of the rack. To mount the chassis, install the ears on the chassis first, then secure the ears to the rack mounting posts or strips. We recommend that two people perform this procedure: one person to support the chassis in the rack while the other person secures the ears to the rack. Before lifting the chassis, ensure that your path to the rack is unobstructed.
Follow these steps to install the new chassis in the rack:
Step 1 Position the chassis so that the end that will be in the front of the rack is closest to you. Figure 5 shows the correct orientation if the noninterface processor end of the chassis will be installed at the front of the rack.
Step 2 Attach the right chassis ear to the chassis first. Hold the ear in the orientation shown in Figure 5, with the studs pointing toward the chassis and the mounting strip facing you.
Step 3 Insert the two studs through the holes on the side of the chassis. The ear should be flush against the chassis side.
Step 4 Insert two M4 x 10-mm, Phillips flathead screws through the ears and into the chassis sides. Use a number 2 Phillips screwdriver to tighten the screws.
Step 5 Repeat Steps 2 through 4 for the left ear. The strip of mounting holes on the front of each ear should be approximately flush with the end of the chassis. (See Figure 5.)
Step 6 Lift the chassis and move it to the rack. Avoid sudden twists or moves to prevent injury.
Step 7 Insert the rear of the chassis into the rack, pushing it back until the ears meet the front mounting strips or posts on both sides of the equipment rack. Slide the chassis vertically along the rails to align the mounting holes in the ears with those in the rack.
Step 8 From the front of the rack, insert all eight 10-32 x 3/8-inch, slotted screws (four on each side) through the chassis ears and into the mounting strip. (See Figure 6.)
Step 9 When all screws are inserted, use a 1/4-inch, flat-blade screwdriver to tighten each one.
This completes the rack installation. Proceed to the next section to install the cable management brackets.
The cable management brackets help to keep network interface cables untangled and orderly, and prevent cables from hindering access to interface processors in the lower interface processor slots. The brackets attach to the inner sides of the chassis at the interface processor end. Six M3 x 8-mm, Phillips panhead screws, which are included with the brackets, secure the brackets to the chassis (three per bracket). Figure 7 shows the interface processor end of the chassis with the brackets installed.
Install the brackets on the new chassis first, before you begin moving system components from the old chassis. If you install the brackets after you move the interface processors and connect the interface cables, you might have to disconnect the cables to install the screws that secure the brackets. Route interface cables through the cable management brackets as you connect them to the interface processor ports (or as you install interface processors that still have interface cables connected to them). Wrap cable ties through the holes provided to secure small-gauge cables.
Follow these steps to install the two cable management brackets on the new chassis:
Step 1 If you have new brackets to install on the new chassis, proceed to Step 4. If you are removing the brackets from the old chassis, proceed to the next step.
Step 2 At the interface processor end of the existing chassis, push the cables out of the cutouts in the brackets. The brackets are flexible and allow cables to pass through the access slots; however, bending them at extreme angles can cause them to break.
Step 3 Use a number 1 Phillips screwdriver to remove the six panhead screws (three per bracket) that secure brackets to the inner side of the chassis. You might need to disconnect some of the interface cables to access the screws. If so, label the cables with their slot/port location, or reconnect them immediately after removing the bracket.
Step 4 At the interface processor end of the new chassis, place a bracket on one of the inner sides of the chassis and align the three holes in the bracket with the holes in the chassis.
Step 5 Insert and finger-tighten three M3 Phillips screws from the inner side of the chassis, through the bracket and into the chassis. (See Figure 7.)
Step 6 When all three screws are inserted, use the number 1 Phillips screwdriver to tighten the screws.
Step 7 Repeat Steps 4 through 6 for the second bracket.
Step 8 When connecting the network interface cables or installing processor modules with the interface cables attached, route the cables through the cable management brackets as shown in Figure 7. If you are using very thin cables that slip through the bracket openings, insert cable ties through the holes in the bracket and wrap them around the cables to secure them.
This completes the cable management bracket installation. Proceed to the next section to move the processor modules to the new chassis.
At the interface processor end of the chassis, slots contain the processor modules. (See Figure 1 or Figure 2.) In the Cisco 7010, the RP occupies the top slot (the RP slot or slot 4) and the SP (or SSP) occupies the second slot from the top (the SP slot or slot 3), directly below the RP slot. The remaining three slots, which are numbered 0 through 2 beginning at the bottom slot, support any combination of interface processors.
In the Cisco 7505, the RSP1 occupies the top slot (slot 4). The remaining four slots, numbered 0 through 3 beginning at the bottom, support any combination of interface processors.
The processor modules are all keyed with guides on the backplane to prevent them from being fully inserted in the wrong slot. Empty interface processor slots contain an interface processor filler (an empty carrier) to help keep dust out of the chassis, provide EMI shielding, and maintain proper air flow through the chassis interior.
Processor modules slide into the processor slots and connect directly to the backplane. The spring-loaded ejector levers (see Figure 8) help to ensure that the bus connector on the back of the processor module is fully seated in the backplane or fully dislodged from it. Captive installation screws at both ends of each processor module faceplate prevent the processor from pulling away from the backplane and support the EMI integrity of the system. Failure to use the ejector levers and captive installation screws could result in a partial backplane connection, which can hang the system.
To retain your existing configuration, move interface processors to the same slot positions in the new chassis. The lithium battery backup on the RP and RSP1 retains the system configuration and MAC-layer addresses in nonvolatile random-access memory (NVRAM). Therefore, if you install interface processors in the same slot positions in the new chassis that they occupied in the old chassis, the system and the individual interfaces should come up in their previous configuration. If you install interface processors in different slots in the new chassis, the system will recognize the interfaces, but will leave them in a shutdown state until you reconfigure and enable them.
Although interface processors support OIR, you must wait at least 15 seconds after inserting an interface processor before inserting the next one. To help avoid errors with the installation, leave the power off until all components are moved into the new chassis and you have verified that all are installed properly.
In the chassis, move the interface processors first, one at a time, then, in the Cisco 7010, move the SP (or SSP) and finally the RP; in the Cisco 7505, move the RSP1 last. Before you remove an interface processor from the existing chassis, remove the interface processor filler from the corresponding slot in the new chassis. Then immediately install the interface processor in the new chassis and secure it in the slot before removing the next interface processor filler or module. If you leave the interface cables attached to the interface processors, route the cables through the cable management brackets immediately after you secure the interface processor in the slot to help keep the other slots clear during the installation.
If there is sufficient slack in the interface cables, and if you can easily move the processor modules between the chassis without straining the cables, leave the interface cables connected. If you must disconnect the cables, label each cable with its slot and port number before you disconnect it. Do not reconnect the interface cables until you have installed all of the components in the new chassis (it is easier to install interface processors when the slots are not impeded by cables that drop from other slots). Use the optional cable management brackets to keep the interface cables untangled and away from other interface processor slots and ports.
 | Caution You must turn off the system power before removing or installing the RP, SP (or SSP), or RSP1, all of which are required system components. Removing one while the system is operating will cause the system to shut down or crash and might damage or destroy memory files. |
Follow these steps to move the processor modules to the new chassis:
Step 1 Before moving any processor modules, ensure that you have met the following prerequisites (refer to the section "Prerequisites" on page 4 for details):
Step 2 Note the slot location of the interface processor you will move. Before removing the interface processor, remove the interface processor filler from the corresponding slot in the new chassis. When installing interface processors in the new chassis, place them in the same slot position that they occupied in the old chassis; this will retain your existing configuration and will help avoid confusion when reconnecting cables and checking the installation.
Step 3 If necessary, disconnect any interface cables that are connected to the processor module.
Step 4 Use a screwdriver to loosen both of the captive installation screws. (See Figure 8a.)
Step 5 Place your thumbs on the end of each ejector and simultaneously pull them both outward, away from the carrier handle (in the opposite direction from that show in Figure 8c) to release the processor module from the backplane.
| Caution In the Cisco 7010, you must install the RP in the slot labeled RP (the top slot) and the SP (or SSP) in the slot labeled SP (the slot directly below the RP slot). In the Cisco 7505, you must install the RSP1 in the slot labeled slot 4. For both chassis models, you can install interface processors in any of the interface processor slots (the lowest slots), but we recommend that you install them in the same slot positions that they occupied in the old chassis. The slots are keyed for correct installation. Forcing a processor module into the wrong slot can damage the backplane and board connectors. |
Step 6 Grasp the carrier handle with one hand and pull the processor module straight out of the slot, keeping your other hand under the carrier to guide it. (See Figure 9.) Keep the carrier at a 90-degree orientation to the backplane. Avoid touching the board or any connector pins.
Step 7 Place the processor module in the same slot position in the new chassis and align the notches along the edge of the carrier with the grooves in the slot. (See Figure 8a.)
Step 8 While keeping the carrier at a 90-degree orientation to the backplane, carefully slide the carrier into the slot until the back of the faceplate makes contact with the ejector levers, then stop. (See Figure 8b.)
Do not use unnecessary force when installing processor modules. Always guide the carrier into the slot only until the carrier faceplate makes contact with the ejector levers, then use the ejector levers to complete the insertion.
Step 9 Using the thumb and forefinger of each hand to pinch each ejector, simultaneously push both ejectors inward (toward the carrier handle) until they snap into place and are at a full 90-degree orientation to the faceplate. (See Figure 8c.) The carrier ears (the ends of the faceplate) should be flush against the chassis.
Step 10 Use a screwdriver to tighten the two captive screws to prevent the processor module from becoming partially dislodged from the backplane and to ensure proper EMI shielding.
Step 11 Repeat Steps 2 through 10 for the remaining interface processors.
Step 12 Repeat Steps 3 through 10 for the SP (or SSP) and RP in the Cisco 7010, and the RSP1 in the Cisco 7505.
This completes the processor module removal and replacement procedure. If you now need to install the new chassis in an equipment rack, proceed to the section "Installing the New Chassis in the Rack" on page 10. Otherwise, proceed to the next section to check the installation.
To complete the replacement procedure, perform the following steps to verify that the system is functioning properly. These steps will also help you verify that all the processor modules you moved are returned to their previous state. For additional first-time startup troubleshooting procedures, refer to the Cisco 7010 Hardware Installation and Maintenance or Cisco 7505 Hardware Installation and Maintenance publications.
Because the lithium battery backup on the RP and RSP1 retains the system configuration in NVRAM, the system and the individual interfaces should come up in their previous configuration, provided that you installed the interface processors in the same slots they occupied in the old chassis. If you installed interface processors in different slot positions in the new chassis, the system will recognize the interfaces but leave them in a down state until you reconfigure and enable them. If you need assistance, refer to the section "Cisco Information Online" at the end of this document.
Step 1 Ensure that the system power switch is in the off position, then reconnect the power cable to the AC receptacle or DC terminal block, as required. For the AC-input power supply, snap the cable retention clip up around the plug to secure the cable. For the DC-input power supply, reattach a new nylon cable tie to support the weight of the cable.
Step 2 Connect all interface cables to the appropriate interface processor ports. Ensure that all cables are fully seated in the ports and that all strain relief systems are engaged.
Step 3 Ensure that you have either a console terminal connected to the system console port or a port available for a Telnet session to the router.
Step 4 Turn on the system power. The DC OK LED should go on and stay on. If if does, proceed to the next step. If it does not, do the following:
Step 5 While the system initializes, the yellow boot error LED on the RP should go on for about ten seconds, then go off. Verify that the normal LED on the RP or RSP1 goes on and stays on, which indicates that the system software booted successfully. If it does, proceed to the next step. If it does not go on, do the following:
Step 6 When the system boot is complete, the RP or RSP1 begins to initialize the interface processors. During this initialization, the LEDs on each interface processor behave differently (most flash on and off). The enabled LED on each interface processor goes on when initialization has been completed.
Step 7 If the enabled LED on a single interface processor remains off, suspect that the interface processor has shifted out of its slot. Use the ejector levers to release the interface processor and reseat it in the backplane. (Refer to the section "Moving Processor Modules" on page 14, for removal and insertion steps.) Tighten both captive installation screws, then return to Step 1.
Step 8 If an enabled LED still fails to go on after performing these steps, suspect that the specific SP (or SSP) or interface processor has failed. Contact a service representative.
Step 9 Verify that the console terminal displays a script and system banner similar to the following:
GS Software (GS7), Version 10.3(3), SOFTWARE
Copyright (c) 1986-1995 by cisco Systems, Inc.
Compiled Wed 10-May-95 14:46 by mpo
System Bootstrap, Version 4.6(1) [fc2], SOFTWARE
Step 10 After the system initializes, use the various show commands to display the status of the system and individual interfaces, and ensure that they are operating according to their previous configuration. (For descriptions and examples of these commands, refer to the following section, "show Command Descriptions and Examples.")
When the system starts up and operates successfully, the replacement procedure is complete and you can resume normal operation.
If the system still fails to start up or operate properly, or if you isolate the cause of the problem to a failed component, contact a service representative for further assistance.
This section describes the various show commands that you can use to display system status and configuration. If you installed the interface processors in the same slot locations that they occupied in the old chassis, the interfaces should retain the same configuration. If you installed the interface processors in different slot locations, the system will recognize the interfaces, but you will have to use the configure command to reconfigure and enable them.
The show version command displays the current hardware configuration of the router, including the system software version that is currently loaded and running. The show controllers cxbus command lists all CxBus interfaces and includes the currently loaded and running microcode version for each. You can check the version of the default ROM image either by removing the board and checking the ROM labels or by configuring the interface or system software to boot from ROM, restarting the system, and using these same commands to check the running version.
Use the show version command to display the current system software version, and use the show controllers cxbus command to display the microcode version of the SP and each interface processor. In the following example of the show version command, the running system software is Release 10.3(1)).
Router> show version
GS Software (GS7), Version 10.3(3), SOFTWARE
Copyright (c) 1986-1995 by cisco Systems, Inc.
Compiled Wed 10-May-95 14:46 by mpo
System Bootstrap, Version 4.6(1) [fc2], SOFTWARE
Current date and time is Sat 1-22-1994 21:38:35
Boot date and time is Tue 12-28-1993 15:32:28
Router uptime is 3 weeks, 4 days, 6 hours, 7 minutes
System restarted by reload
System image file is "gs7-k.103-1", booted via tftp from 1.1.1.12
(example text omitted
X.25 software, Version 2.0, NET2 and BFE compliant.
Bridging software.
1 EIP controller (6 Ethernet).
1 TRIP controller (4 Token Ring).
6 Ethernet/IEEE 802.3 interfaces.
4 Token Ring/IEEE 802.5 interfaces.
(remainder of example text omitted)
Following is an example of the show controller cxbus command display. (In this example, ROM Version 1.0 is assumed because you cannot determine the ROM version with screen displays unless it is the running version.)
Router# show controllers cxbus
(text omitted from example)
FSIP 1, hardware version 1.0, microcode version 1.0
Interface 8 - Serial1/0, electrical interface is V.35 DTE
(text omitted from example)
Interface 9 - Serial1/1, electrical interface is V.35 DTE
(remainder of displayed text omitted from example)
The command show interfaces serial slot/port displays statistics for the specific serial interface you specify by its slot/port address. If you use this command without the type and slot/port arguments, the system will display statistics for all interfaces in the system.
Router> show int hssi 1/0
Hssi 1/0 is up, line protocol is up
Hardware is cxBus HIP
Internet address is 1.1.1.9, subnet mask is 255.255.255.0
(display text omitted)
The command show configuration displays the contents of the system configuration file stored in NVRAM.
Router# show config
Using 1652 out of 130048 bytes
version 10.3(3)
!
hostname Router
!
enable-password guessagain
!
microcode TRIP flash trip1-0
microcode reload
!
interface hssi1/0
ip address 1.1.1.67
ip route-cache cbus
no keepalive
!
interface serial2/1
ip address 1.1.1.12
(display text omitted)
The command show protocols displays the global (system-wide) and interface-specific status of any configured Level 3 protocol.
Router> show protocols
Global values:
Internet Protocol routing is enabled
Hssi1/0 is up, line protocol is up
(display text omitted)
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Posted: Fri Nov 8 16:29:45 PST 2002
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