Cisco 7204 - VXR Router Instruction Manual

CHAPTER
Installing the Cisco 7204 3-1
3
Installing the Cisco 7204
This chapter explains the procedures for installing and starting the Cisco 7204. The chapter
contains the following sections:
•Rack-Mounting the Cisco 7204
•General Installation
•Connecting Port Adapter Cables
•Connecting I/O Controller Cables
•Connecting Power
•Starting the Cisco 7204
A rack-mounting kit is included in the shipping container for mounting the Cisco 7204 in
a standard 19-inch-wide equipment rack or in a 19-inch Telco-type rack. The kit is not
suitable for use with other racks, such as 23-inch Telco racks. If you are installing an
equipment shelf or using mounting hardware other than that supplied with the chassis,
review the guidelines in the section “Equipment Racks” in the chapter “Preparing for
Installation,” then proceed to the section “General Installation” in this chapter.
If you plan to install your Cisco 7204 in an equipment rack, proceed to the section “General
Installation” later in this chapter.

3-2 Cisco 7204 Installation and Configuration Guide
Rack-Mounting the Cisco 7204
Rack-Mounting the Cisco 7204
The chassis mounts to two rack posts with brackets that attach to the sides of the chassis.
The inside width between the two posts or mounting strips (left and right) must be at least
17.00 inches (43.18 cm).
Some equipment racks provide a power strip along the length of one of the mounting strips.
Figure 3-1 shows a typical 19-inch equipment rack with a power strip along one of the back
posts. If your rack has this feature, consider the position of the strip when planning fastener
points and ensure that you will be able to pull port adapters and other FRUs straight out of
their respective slots.
The inlet and exhaust ports for cooling air are located on the right and left of the chassis,
respectively, so multiple routers can be stacked in a rack with little or no vertical clearance.

Installing the Cisco 7204 3-3
Rack-Mounting the Cisco 7204
Figure 3-1 Typical 19-Inch Equipment Rack Posts and Mounting Strips
18.312"
hole C to C
17.00 " min.
Rack posts
Mounting strips
110 VAC
outlets
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3-4 Cisco 7204 Installation and Configuration Guide
Rack-Mounting the Cisco 7204
Installing the Brackets on the Chassis
Before you install the brackets, the chassis should be unpacked, and you should have
already verified the router hardware configuration.
Warning After attaching the brackets, and to avoid injury, we recommend that two people
install the chassis in the rack. (One person should support the chassis in the rack while the
second person installs the fasteners.) To see translated versions of this warning, refer to the
publication Regulatory Compliance and Safety Information for the Cisco 7200 Series
Routers (Document Number 78-3419-xx) that accompanied your Cisco 7204.
To install the brackets on the chassis, complete the following steps:
Step 1 Locate the threaded holes in the chassis sides (at the port adapter end of the
chassis). (Refer to Figure 3-2.)
Step 2 Align the first bracket to the right side of the chassis. (The brackets are identical
and can be mounted on either side of the chassis.) Hold the bracket in the
orientation shown in the Figure 3-2.
Figure 3-2 Installing the Brackets on the Chassis
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Installing the Cisco 7204 3-5
Rack-Mounting the Cisco 7204
Step 3 Thread two M4 x 10-mm Phillips flathead screws through the bracket and into
thesideofthechassis.Useanumber2Phillipsscrewdriver to tighten the screws.
Step 4 Repeat Step 1 through Step 3 for the other bracket.
Step 5 Proceed to the next section to install the chassis in the rack.
Warning To prevent injury, review the safety precautions in the chapter “Preparing for
Installation,” before installing the router in a rack. To see translated versions of this
warning, refer to the publication Regulatory Compliance and Safety Information for the
Cisco 7200 Series Routers (Document Number 78-3419-xx) that accompanied your
Cisco 7204.
Installing the Chassis in the Rack
After installing the brackets on the chassis, mount the router by securing the brackets to two
posts or mounting strips in the rack using the eight slotted screws provided. Because the
brackets support the weight of the entire chassis, be sure to use all eight slotted screws to
fasten the two chassis brackets to the rack posts. Figure 3-3 shows a typical installation in
a standard, 19-inch equipment rack with four mounting posts. Figure 3-4 shows a typical
installation in a Telco-type rack, which usually has two center posts and is bolted to the
floor. If you are mounting the router in a rack with four posts, use all eight slotted screws
to mount the chassis on the front posts.

3-6 Cisco 7204 Installation and Configuration Guide
Rack-Mounting the Cisco 7204
Figure 3-3 Installing the Chassis in a Four-Post 19-Inch Rack
We recommend that you allow at least one or two inches of vertical clearance between the
router and any equipment directly above and below it.
Warning To maintain a low center of gravity, ensure that heavier equipment is installed
near the bottom of the rack. To see translated versions of this warning, refer to the
publication Regulatory Compliance and Safety Information for the Cisco 7200 Series
Routers (Document Number 78-3419-xx) that accompanied your Cisco 7204.
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Installing the Cisco 7204 3-7
Rack-Mounting the Cisco 7204
Figure 3-4 Installing the Chassis in a Telco-Type Rack
Warning To prevent the rack from tipping when installing the router in Telco-type racks,
ensure that the rack is bolted to the floor and, if necessary, anchored with appropriate
fixtures. To see translated versions of this warning, refer to the publication Regulatory
Compliance and Safety Information for the Cisco 7200 Series Routers (Document
Number 78-3419-xx) that accompanied your Cisco 7204.
To install the chassis in the rack, complete the following steps:
Step 1 On the chassis, ensure that all captive screws on the network processing engine,
the I/O controller, and each power supply are tightened and the port adapter
levers are in the locked position.
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3-8 Cisco 7204 Installation and Configuration Guide
Rack-Mounting the Cisco 7204
Step 2 Make sure that your path to the rack is unobstructed. If the rack is on wheels,
ensure that the brakes are engaged or that the rack is otherwise stabilized.
Warning To prevent damage to the chassis or personal injury, never attempt to lift or tilt
the Cisco 7204 using the port adapter handles or the I/O controller handle; they are not
designedtosupporttheweightoftherouter.Alwayshavesomeonehelpyouwheninstalling
the Cisco 7204. To see translated versions of this warning, refer to the publication
Regulatory Compliance and Safety Information for the Cisco 7200 Series Routers
(Document Number 78-3419-xx) that accompanied your Cisco 7204.
Note Two people should perform Step 3 through Step 6.
Step 3 Position the chassis so that the end with the brackets attached is closest to you;
then lift the chassis and move it to the rack. To prevent injury, avoid sudden
twists or moves.
Step 4 Slide the chassis into the rack, pushing it back until the brackets meet the front
mounting strips or posts on both sides of the equipment rack.
Step 5 While keeping the brackets flush against the posts or mounting strips, position
the router so the holes in the brackets are aligned with those in the mounting
strips.
Step 6 From the front of the rack, insert all eight 10-32 x 3/8 slotted screws (four on
each side) through the brackets and into the mounting strip (use the top and
bottom bracket holes, as shown in Figure 3-4). Using a 1/4-inch, flat-blade
screwdriver, tighten all the screws.
This completes the rack installation. Proceed to “Connecting Port Adapter Cables” in this
chapter to continue the installation.

Installing the Cisco 7204 3-9
General Installation
General Installation
The router should already be in the area where you will install it, and your installation
location should already be determined. If not, refer to the section “Site Requirements” in
the chapter “Preparing for Installation.”
When installing the Cisco 7204 on a workbench or tabletop, ensure that the surface is clean
and in a safe location and that you have considered the following:
•The router requires at least three inches of clearance at the inlet and exhaust vents (the
right and left sides of the router).
•The router should be installed off the floor. (Dust that accumulates on the floor is drawn
into the interior of the router by the cooling fans. Excessive dust inside the router can
cause overtemperature conditions and component failures.)
•There must be approximately 19 inches of clearance at the front and rear of the router
for installing and replacing router FRUs, or accessing network cables or equipment.
•Port adapter and power supply filler panels are installed.
•The router will receive adequate ventilation (it is not being installed in an enclosed
cabinet where ventilation is inadequate).
Following are the steps for installing the Cisco 7204 on a workbench or tabletop:
Step 1 Remove any debris and dust from the tabletop or workbench, as well as the
surrounding area. Also make sure your path between the router and its new
location is unobstructed.
Step 2 On the chassis, ensure that all captive screws on the network processing engine,
the I/O controller, and each power supply are tightened and the port adapter
levers are in the locked position.
Warning To prevent damage to the chassis or personal injury, never attempt to lift or tilt
the Cisco 7204 using the port adapter handles or the I/O controller handle; they are not
designedto support the weight of the router.Always havesomeone help you wheninstalling
the Cisco 7204. To see translated versions of this warning, refer to the publication
Regulatory Compliance and Safety Information for the Cisco 7200 Series Routers
(Document Number 78-3419-xx) that accompanied your Cisco 7204.

3-10 Cisco 7204 Installation and Configuration Guide
Connecting Port Adapter Cables
Step 3 Lift the chassis by placing your hands around the chassis sides and lifting the
chassis from underneath. To prevent injury, avoid sudden twists or moves.
Step 4 Place the router on the tabletop or workbench.
Step 5 Ensure that there is at least three inches of clearance at the inlet and exhaust
vents of the router and no exhaust air from other equipment will be drawn into
the chassis. Also, ensure that there is approximately 19 inches of clearance at the
front and rear of the chassis.
This completes the general installation. Proceed to the following section, “Connecting Port
Adapter Cables,” to continue the installation.
Connecting Port Adapter Cables
The instructions for connecting the cables for each port adapter installed in the Cisco 7204
are contained in the respective configuration note for each port adapter. For example, if you
are connecting the cables for a Token Ring port adapter, refer the configuration note PA-4R
Token Ring Port Adapter Installation and Configuration (Document Number 78-2661-xx).
This configuration note accompanies every Token Ring port adapter that is shipped from
the factory as an installed item in a Cisco 7204 or as a FRU. The document is also available
on the Cisco Connection Documentation, Enterprise Series CD, and on Cisco Connection
Online (CCO).
Connecting I/O Controller Cables
The console and auxiliary ports for the Cisco 7204 are located on the I/O controller. The
I/O controller also has an optional Fast Ethernet port (refer to Figure 3-5). This section
contains connection equipment and pinout information for the console, auxiliary, and Fast
Ethernet ports on the I/O controller.

Installing the Cisco 7204 3-11
Connecting I/O Controller Cables
Figure 3-5 Cisco 7204 I/O Controller Connections
Console and Auxiliary Port Connection Equipment
The I/O controller has two EIA/TIA-232 ports: a DCE-mode console port and a DTE-mode
auxiliary port. The console port is a DCE DB-25 receptacle for connecting a data terminal,
which you will use to configure the interfaces and bring up the router. The auxiliary port is
a DTE DB-25 plug for connecting a modem or other DCE device (such as a CSU/DSU or
other router) to the Cisco 7204 (refer to Figure 3-6).
Note Both the console and auxiliary ports are asynchronous serial ports; any devices
connected to these ports must be capable of asynchronous transmission. (Asynchronous is
the most common type of serial device; for example, most modems are asynchronous
devices.)
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3-12 Cisco 7204 Installation and Configuration Guide
Connecting I/O Controller Cables
Before connecting a terminal to the console port, configure the terminal to match the router
console port as follows: 9600 baud, 8 data bits, no parity, 2 stop bits (9600 8N2). You need
an EIA/TIA-232 DCE console cable to connect the terminal to the console port. After you
establish normal router operation, you can disconnect the terminal.
You must supply your own interface cable between the auxiliary port and the equipment
you are connecting. For console and auxiliary port pinouts, refer to the following sections
“Console Port Signals” and “Auxiliary Port Signals.”
Figure 3-6 Console and Auxiliary Port Connections
Modem
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Installing the Cisco 7204 3-13
Connecting I/O Controller Cables
Console Port Signals
Both Data Set Ready (DSR) and Data Carrier Detect (DCD) signals are active when the
system is running. The Request To Send (RTS) signal tracks the state of the Clear to Send
(CTS) input. The console port does not support modem control or hardware flow control.
Table 3-1 lists the signals used on the console port. The console port requires a
straight-through EIA/TIA-232 cable.
Table 3-1 Console Port Signals
Pin Signal Direction Description
1 GND – Ground
2 TxD <— Transmit Data
3 RxD —> Receive Data
6 DSR —> Data Set Ready (always on)
7 GND –Ground
8 DCD —> Data Carrier Detect (always on)

3-14 Cisco 7204 Installation and Configuration Guide
Connecting I/O Controller Cables
Auxiliary Port Signals
Table 3-2 lists the signals used on the auxiliary port. The auxiliary port supports hardware
flow control and modem control.
Table 3-2 Auxiliary Port Signals
Fast Ethernet MII Connection Equipment
The optional Fast Ethernet port on the I/O controller has a single MII, 40-pin, D-shell type
connector that is configurable for 100 megabits per second (Mbps). The MII connector
supports IEEE 802.3u interfaces compliant with the 100BASE-X and 100BASE-T
standards. The single MII connection requires an external transceiver that permits
connection to multimode fiber for 100BASE-FX or 100BASE-T4 physical media (refer to
Figure 3-7).
Caution Make sure input power to your Cisco 7204 is turned off and the router is
completely powered down before connecting an external transceiver to the Fast Ethernet
port on the I/O controller. If you connect an external transceiver to the Fast Ethernet port
when the router is powered on, the system will reset and you could lose data.
Pin Signal Direction Description
2 TxD —> Transmit Data
3 RxD <— Receive Data
4 RTS —> Request To Send (used for hardware flow control)
5 CTS <— Clear To Send (used for hardware flow control)
6 DSR <— Data Set Ready
7 Signal Ground –Signal Ground
8 CD <— Carrier Detect (used for modem control)
20 DTR —> Data Terminal Ready (used for modem control only)

Installing the Cisco 7204 3-15
Connecting I/O Controller Cables
Figure 3-7 Fast Ethernet Port Connection
Depending on the type of media you use between the MII connection and your switch or
hub, the network side of your 100BASE-T transceiver should be appropriately equipped
with ST-type connectors (for optical fiber), BNC connectors, and so forth.
Figure 3-8 shows the pin orientation of the female MII receptacle on the Fast Ethernet port.
The MII receptacle uses 2-56 screw-type locks, called jackscrews, to secure the cable or
transceiver to the MII port. MII cables and transceivers have knurled thumbscrews that you
fasten to the jackscrews on the MII connector and tighten with your fingers. Use the
jackscrews to secure your MII cable to the MII receptacle.
Figure 3-8 MII Receptacle
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3-16 Cisco 7204 Installation and Configuration Guide
Connecting I/O Controller Cables
Table 3-3 lists the pinouts and signals for the I/O controller MII receptacle.
Table 3-3 MII Connector Pinout
1. Any pins not indicated are not used.
2. Tx_CLK and Rx_CLK are provided by the external transceiver.
Pin1In Out I/O Description
14–17 – Yes – Transmit Data (TxD)
12 Yes – – Transmit Clock (Tx_CLK)2
11 – Yes – Transmit Error (Tx_ER)
13 – Yes – Transmit Enable (Tx_EN)
3 – Yes – MII Data Clock (MDC)
4–7 Yes – – Receive Data (RxD)
9 Yes – – Receive Clock (Rx_CLK
10 Yes – – Receive Error (Rx_ER)
8 Yes – – Receive Data Valid (Rx_DV)
18 Yes – – Collision (COL)
19 Yes – – Carrier Sense (CRS)
2 – – Yes MII Data Input/Output (MDIO)
22–39 – – – Common (ground)
1, 20, 21, 40 – – – +5.0 volts (V)

Installing the Cisco 7204 3-17
Connecting Power
Connecting Power
Following are the procedures for connecting AC-input power to your Cisco 7204.
Note Detailed instructions for handling and replacing the Cisco 7204 power supplies are
contained in the configuration notes Cisco 7200 Series 280-Watt AC-Input Power Supply
Replacement Instructions (Document Number 78-3227-xx) and Cisco 7200 Series
280-Watt DC-Input Power Supply Replacement Instructions (Document
Number 78-3420-xx). These configuration notes accompany each power supply that is
shipped from the factory as a FRU. These configuration notes are also available on the
Cisco Connection Documentation, Enterprise Series CD, and on Cisco Connection Online
(CCO).
Connect a 280W AC-input power supply as follows:
Step 1 At the rear of the router, check that the power switch on the power supply is in
the OFF (0) position.
Step 2 Slide the cable-retention clip down, away from the AC receptacle, and plug in
the power cable.
Step 3 Secure the cable in the power supply AC receptacle by sliding the
cable-retention clip up until it fits around the connector. The cable-retention clip
provides strain relief for the AC power cable (refer to Figure 3-9).
Note For additional AC power cable strain relief, secure the cable to the power supply
handle by inserting a nylon cable tie through the hole in the handle and around the cable.

3-18 Cisco 7204 Installation and Configuration Guide
Connecting Power
Figure 3-9 Connecting AC-Input Power
Step 4 Plug the AC power supply cable into the AC power source.
Step 5 Repeat Step 1 through Step 4 for the second power supply (if present).
This completes the procedure for connecting power. Proceed to the following “Starting the
Cisco 7204,” to start the router.
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Installing the Cisco 7204 3-19
Starting the Cisco 7204
Starting the Cisco 7204
After installing your Cisco 7204 and connecting cables, start the router as follows:
Step 1 Check for the following:
•Each port adapter is inserted in its slot and its respective port adapter lever is
in the locked position.
•The network processing engine and the I/O controller are inserted in their
slots and their captive installation screws are tightened.
•All network interface cables are connected to the port adapters.
•A Flash memory card is installed in its PCMCIA slot.
•Each power cable is connected and secured with the cable-retention clip.
•The console terminal is turned on.
Step 2 At the rear of the router, place the power switch on the power supply in the ON
(|)position. Repeat this if a second powersupply isinstalled.The green OK LED
on the power supply turns on.
Step 3 Listen for the fans; you should immediately hear them operating.
Step 4 During the boot process, observe the system LEDs. The LEDs on most of the
port adapters go on and off in irregular sequence. Some may go on, go out, and
go on again for a short time. On the I/O controller, the IO power OK LED comes
on immediately.
Step 5 Observe the initialization process. When the system boot is complete (a few
seconds), the network processing engine begins to initialize the port adapters
and the I/O controller. During this initialization, the LEDs on each port adapter
behave differently (most flash on and off). The enabled LED on each port
adapter goes on when initialization is completed, and the console screen
displays a script and system banner similar to the following:
Cisco Internetwork Operating System Software
IOS (tm) 7200 Software (C7200-J-M), Version 11.1(6)[kpfjrgiu 100]
Copyright (c) 1986-1996 by cisco Systems, Inc.
Compiled Sun 21-Apr-96 04:10 by

3-20 Cisco 7204 Installation and Configuration Guide
Starting the Cisco 7204
Step 6 Configure the interfaces. When you start up the Cisco 7204 for the first time, the
system automatically enters the setup command facility, which determines
which port adapters are installed and prompts you for configuration information
for each one. On the console terminal, after the system displays the system
banner and hardware configuration, you will see the following System
Configuration Dialog prompt:
--- System Configuration Dialog ---
At any point you may enter a questions mark ‘?’ for help.
Use ctrl-c to abort configuration dialof at any prompt.
Default settings are in square brackets ‘[]’.
continue with configuration dialog? [yes]:
You have the option of proceeding with the setup command facility to configure
the interfaces, or exiting from setup and using configuration commands to
configure global (system-wide) and interface-specific parameters. You do not
have to configure the interfaces immediately; however, you cannot enable the
interfaces or connect them to any networks until you have configured them.
Many of the port adapter LEDs will not go on until you have configured the interfaces. To
verify correct operation of each interface, complete the first-time startup procedures and
configuration, then refer to the configuration note for each port adapter for LED
descriptions and to check the status of the interfaces.
Your installation is complete. Proceed to the chapter “Performing a Basic Configuration of
the Cisco 7204” to perform a basic configuration for your Cisco 7204.
Note If the system does not complete each of the steps in the startup procedure, proceed
to the chapter “Troubleshooting the Installation” for troubleshooting recommendations and
procedures.