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Quick Start Guide
Cisco 7401ASR Router
1 Documentation and Resources
2 Prepare for Installation
3 Install the Parts
4 Rack-Mount the Router
5 Connect the Router to the Network
6 Connect Power to the Router
7 Configure the Router
8 Obtain Technical Assistance
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1 Documentation and Resources This section contains information to help you prepare for installing the Cisco 7401ASR router. It contains a list of online documentation and resources. Documentation Survey Is Cisco documentation helpful? Click here or go to http://forums.cisco.com/eforum/servlet/viewsflash?cmd=showform&pollid=rtgdoc01!rtgdoc to give us your feedback. Related Documentation For detailed hardware installation instructions, refer to the online Cisco 7401ASR Installation and Configu
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All users can order monthly or quarterly subscriptions through the online Subscription Store: http://www.cisco.com/go/subscription Ordering Documentation You can find instructions for ordering documentation at this URL: http://www.cisco.com/univercd/cc/td/doc/es_inpck/pdi.htm You can order Cisco documentation in these ways: � Registered Cisco.com users (Cisco direct customers) can order Cisco product documentation from the Networking Products MarketPlace: http://www.cisco.com/en/US/partner/orde
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2 Prepare for Installation This section contains information about tools and parts, warnings, site preparation information, and information for workbench or tabletop installation and rack-mount installation. Warning Only trained and qualified personnel should install, replace, or service this equipment. Warning Read the installation instructions before you connect the system to its power source. Warning This unit is intended for installation in restricted access areas. A restricted access area
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ENHANCED ATM � T1 channel service unit/data service unit (CSU/DSU) that converts the High-Level Data Link Control (HDLC) synchronous serial data stream into a T1 data stream with the correct framing and ones density to connect a serial port to a T1 network. (Some telephone systems require a minimum number of 1 bits per time unit in a data stream, called ones density.) Several T1 CSU/DSU devices are available as additional equipment, and most provide a V.35, EIA/TIA-449, or EIA-530 electrical
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3 Install the Parts This section provides installation instructions for the CompactFlash Disk, Gigabit Interface Converter, and port adapter. Install the CompactFlash Disk Figure 1 Inserting the CompactFlash Disk 1 2 Insert the CompactFlash Disk Remove the CompactFlash Disk 1 2 Insert the CompactFlash Disk into the CompactFlash Disk slot (1) with the label with the vendor name and memory size facing up. The CompactFlash Disk protrudes when completely inserted. To remove the CompactFlash Disk
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Install the Gigabit Interface Converter Warning Because invisible laser radiation may be emitted from the aperture of the port when no fiber cable is connected, avoid exposure to laser radiation and do not stare into open apertures. Warning Class 1 laser product. Warning Class 1 LED product. � Only two of the four Gigabit Ethernet or Fast Ethernet/Ethernet ports may be used at the same time. � GBIC port 0, FE port 0, and the port adapter are on PCI bus 0. GBIC port 1 and FE port 1 are on PCI bu
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ENHANCED ATM Replace the SDRAM DIMM The SDRAM DIMM comes installed with your Cisco 7401ASR router. To replace the SDRAM, follow these instructions: Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Warning Before working on a chassis or working near power supplies, unplug the power cord on AC units; disconnect the power at the circuit breaker on DC units. Warning When performing the following procedures, wear a grounding wrist strap
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ENHANCED ATM Figure 4 Removing the Cover Step 7 Slide the cover forward about one-half inch and then lift it from the chassis. Remove and Install the DIMM Follow these steps to remove and install the SDRAM DIMM. Figure 5 Removing and Replacing the DIMM 3 2 1 Latch on DIMM socket Notch 1 3 2 DIMM Step 1 Attach an ESD-preventative wrist strap between you and an unpainted router surface. Step 2 Locate the DIMM. Step 3 Press both spring latches outward to release the DIMM. See Figure 5. Step 4 Gent
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ENHANCED ATM Caution Forcing the DIMM, into the socket can damage the DIMM. Use the notches on the DIMM to align the DIMM in the DIMM socket before inserting it. Step 5 Locate the notches and align the DIMM with the socket before inserting it. Step 6 Gently insert the new DIMM, taking care not to damage the pins on the edge of the DIMM. Step 7 Press the spring latches to lock the DIMM in place. Step 8 Replace the cover; lower it onto the chassis and push the cover toward the rear of the chassi
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Step 1 Use an ESD wrist strap to ground yourself to the router. A banana jack ground is to the left of the power switch. Step 2 To remove a port adapter, use a Phillips screwdriver to turn the screw holding the port adapter latch. The screw should o be loose enough to allow the latch to rotate to an unlocked position (1). The latch can rotate 360 . Step 3 Grasp the handle and pull the port adapter (2) from the router, about halfway out of its slot. If you are removing a blank port adapter, pul
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ENHANCED ATM 4 Rack-Mount the Router This section provides information for rack-mounting the router. Attach the Rack-Mount Brackets—Chassis Front-Mounted Figure 7 Attaching the Rack-Mount Brackets to the Front of the Chassis 1 2 Rack-mount bracket 4 screws, 8-18 x .37 in., for use with a 19-inch rack 1 2 4 screws, 8 x .375 in., for use in a 21–23-inch rack Depending on how the rack-mount brackets are attached to the chassis, the chassis either protrudes from the rack or is recessed in the ra
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ENHANCED ATM Attach the Rack-Mount Brackets—Chassis Rear-Mounted Figure 8 Attaching the Rack-Mount Brackets to the Rear of the Chassis 2 1 Rack-mount bracket 4 screws, 8-18 x .37 in., for use with a 19-inch rack 1 2 4 screws, 8 x .375 in., for use in a 21–23-inch rack Depending on how the rack-mount brackets are attached to the chassis, it either protrudes from the rack or is recessed in the rack. Step 1 Locate the rack-mount brackets and screws and a Number 2 Phillips screwdriver. Step 2 Alig
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Attach the Cable-Management Bracket Figure 9 Attaching the Cable-Management Bracket 1 2 1 Cable-management bracket 2 M4 x 20-mm screw Step 1 Align the cable-management bracket (1) to the rack-mount bracket on the left side of the Cisco 7401ASR router. Step 2 Using a Phillips screwdriver and the M4 x 20-mm screw (2), thread and tighten the screw to the cable-management bracket. Go to the “Four-Post Rack Installation” section on page 15 or the “Two-Post Rack Installation” section on page 16. 14
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ENHANCED ATM Four-Post Rack Installation Figure 10 Installing the Cisco 7401ASR Router in a Four-Post Rack 1 2 3 Four-post rack Four 12-24 x 0.5-inch screws 1 3 2 Screw hole for cable-management bracket Note Inner clearance (the width between the inner sides of the two posts or rails) must be at least 17.3 inches (43.9 cm) The height of the chassis is 1.72 inches (4.37 cm). Airflow through the chassis is from front to back. Step 1 Make sure that the port adapter latch is in the locked position
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ENHANCED ATM Two-Post Rack Installation Figure 11 Installing the Cisco 7401ASR Router in a Two-Post or Telco Rack 1 2 3 1 Two-post or telco-type rack 3 Four 12-24 x 0.5-inch screws 2 Screw hole for cable-management bracket Note Inner clearance (the width between the inner sides of the two posts or rails), must be at least 17.3 inches (43.9 cm) The height of the chassis is 1.72 inches (4.37 cm). Airflow through the chassis is from front to back. Step 1 Make sure that the port adapter latch is i
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Chassis Ground Connection Installation Figure 12 Attaching the Grounding Lug and Wire to the Chassis 3 4 2 1 1 Chassis ground connector 3 Screws 2 Grounding lug 4 Wire Note The grounding lug and Phillips screws are not available from Cisco Systems. Get the grounding lug from an electrical-connector vendor and the screws from a hardware vendor. See Page 4 for the parts needed. Step 1 Locate the chassis ground connector (1) on the rear of your router chassis. Step 2 Use the wire stripper to stri
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5 Connect the Router to the Network This section provides information about cables and ports and attaching the router to the network. Figure 13 Attaching the Console and Auxiliary Port Cables 1 2 3 4 5 1 Auxiliary port 4 Cable to modem or DCE 2 Console port 5 Cable to console terminal or DTE 3 RJ-45 connector Console and Auxiliary Port Cable Connections Note Both the console and auxiliary ports are asynchronous serial ports; any devices connected to these ports must be capable of asynchronous
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For more information, see the online Cisco 7401ASR Installation and Configuration Guide. Figure 14 Gigabit Ethernet and Fast Ethernet/Ethernet Port Identification 1 2 3 4 1 Gigabit Ethernet (GBIC) port 0 3 Fast Ethernet/Ethernet (100 Mbps) port 1 Fast Ethernet/Ethernet (100 Mbps) port 0 Gigabit Ethernet (GBIC) port 1 2 4 Fast Ethernet RJ-45 Connections Figure 15 Attaching the Fast Ethernet Cables 1 2 3 1 Fast Ethernet/Ethernet port 0—RJ-45 connector 3 Fast Ethernet/Ethernet cables 2 Fast Etherne
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Note Both native Fast Ethernet/Ethernet ports and Gigabit Ethernet ports are reported as GE0/0 and GE0/1 in software. You must use the media-type command to select which media type you want to use before you configure these ports. See “Configure the Native Gigabit Ethernet and Fast Ethernet/Ethernet Interfaces” section on page 28. GBIC Cabling and Connection Equipment The Gigabit Interface Converter (GBIC) port is a 1000-Mbps optical interface in the form of an SC-type duplex port that suppor
