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This chapter contains the following topics:
To install the Cisco 811 or Cisco 813 router, perform the following tasks in the order listed:
Step 2 Connect the ISDN line to the router. See the "Connecting an ISDN Line" section.
Step 3 If you have a Cisco 813 router, you can connect an optional digital telephone. See the "Connecting a Digital Telephone" section.
Step 4 If you have a Cisco 813 router, you can connect an optional analog telephone, fax, or modem. See the "Connecting an Analog Telephone, Fax, or Modem" section.
Step 5 Connect a terminal or PC to the router for software configuration using the command-line interface (CLI) or troubleshooting. See the "Connecting a Terminal or PC" section.
Step 6 Connect the router to the power source. See the "Connecting the Power Supply" section.
Step 7 Mount your router. See the "Mounting Your Router" section.
Step 8 Verify the router installation. See the "Verifying Installation" section.
Table 3-1 lists the Ethernet devices you can connect to the router, connections for each device, and the settings of the router TO HUB/TO PC button (the default setting is IN).
| Network Device Connected to Router | Router Port | Ethernet Cable Type1 | Router TO HUB/TO PC Button Setting | Network Device Button Setting2 |
|---|---|---|---|---|
Hub with equivalent to | ETHERNET 1 | Straight-through | IN | MDI (IN) |
Hub with equivalent to | ETHERNET 1 | Straight-through | OUT | MDI-X (OUT) |
Hub with equivalent to | Cisco 813 router: ETHERNET 2, 3, 4 | Straight-through | ---3 | MDI (IN) |
Hub without equivalent to the router TO HUB/TO PC button | ETHERNET 1 | Straight-through | OUT | MDI-X (OUT) |
Hub without equivalent to the router TO HUB/TO PC button | Cisco 813 router: ETHERNET 2, 3, 4 | Crossover | ---3 | MDI-X (OUT) |
Server, PC, or workstation | ETHERNET 1 | Straight-through | OUT | --- |
Server, PC, or workstation | Cisco 813 router: ETHERNET 2, 3, 4 | Straight-through | ---3 | --- |
| 1Cisco provides a yellow straight-through cable. You must provide required crossover or additional straight-through cables. For details on cables, see "Cabling" in "Preparing for Installation." 2Hub vendors choose different names for the button controlling cable selections. This table uses the Cisco 1528 Micro Hub 10/100 with an MDI/MDI-X button as an example. Determine the button name and setting for your particular hub. See your hub documentation for details. 3On the Cisco 813 router, the TO HUB/TO PC button affects only the ETHERNET 1 port. |
If you have a Cisco 813 router, you can connect up to four hubs.
Before connecting a hub, perform the following steps:
Step 2 Choose the Ethernet cable.
Step 3 Review the steps in Figure 3-1.
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Caution Always connect the yellow cable or an Ethernet cable to the yellow ports on the router. Do not connect the cable to an ISDN S/T or U port or to a DSU. Connecting the cable to the wrong port or DSU can damage your router. |

To verify your hub connection, make sure that one of the following LEDs is on after you have completed the router installation:
If the LED is not on, see Table 4-2 in "Troubleshooting."
Before connecting a server, PC, or workstation, see Table 3-1 to determine how to set the router TO HUB/TO PC button. Also, check your device to make sure it has a 10- or 10/100-Mbps NIC.
To connect one of these devices, follow the steps in Figure 3-2.
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Caution Always connect the yellow cable or an Ethernet cable to a yellow port on the router. Do not connect the cable to an ISDN S/T or U port or to a DSU. Connecting the cable to the wrong port or DSU can damage your router. |

To verify your connection, make sure that one of the following LEDs is on after you have completed router installation:
If the LED is not on, see Table 4-2 in "Troubleshooting."
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Warning Do not work on the system or connect or disconnect cables during periods of lightening activity. |
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Warning To reduce the risk of fire, use only No. 26 AWG or larger telecommunications line cord. |
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Caution Always connect the red cable to the red ISDN U port on the router. Do not connect the cable to a yellow Ethernet port. This will damage your router. |
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Caution If a power failure occurs, the router stops communicating with other devices. |
Follow the steps in Figure 3-3 to connect an ISDN U line.

Follow the steps in Figure 3-4 to connect an ISDN S/T line.

If you have a Cisco 813 router, you can connect it to a digital (ISDN) telephone using the ISDN S/T interface. This digital device connects to basic telephone services through the ISDN line. However, you must provide the following equipment:

To connect an analog telephone, fax machine, or modem, follow the steps in Figure 3-6. You must provide the telephone cable to connect each device. The telephone cable is usually provided with the device.
The gray PHONE 1 and 2 ports are RJ-11 connectors.
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Warning This equipment contains a ring signal generator (ringer), which is a source of hazardous voltage. Do not touch the RJ-11 (phone) port wires (conductors), the conductors of a cable connected to the RJ-11 port, or the associated circuit-board when the ringer is active. The ringer is activated (indicated by a clicking sound) by an incoming call. |
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Caution Do not connect the router telephone ports to the telephone wall jack. These ports are not meant for direct connection to a public network. This connection can damage your router. |

To connect a terminal or PC from which you can configure the software or troubleshoot, follow the steps in Figure 3-7.

To connect the power supply, follow the steps in Figure 3-8.
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Warning The device is designed to work with TN power systems. |
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Warning This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure that a fuse or circuit breaker no larger than 120 VAC, 15A U.S. (240 VAC, 16A international) is used on the phase conductors (all current-carrying conductors). |
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Warning This equipment is intended to be grounded. Ensure that the host is connected to earth ground during normal use. |

You can mount your router on one of the following surfaces:
You can mount your router on a wall or other vertical surface by using the molded mounting brackets on the bottom of the router and two number-six, 3/4-in. (M3.5 x 20 mm) screws. You must provide the screws. Figure 3-9 shows the mounting brackets.
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Caution If the wall to which you mount your router is drywall, use two hollow wall-anchors (1/8 in. with 5/16-in. drill bit or M3 with 8-mm drill bit) to secure the screws. If the screws are not properly anchored, the strain of the network cable connections could pull the router from the wall. |

When mounting the router, the following conditions must be met:
To mount the router, follow the steps in Figure 3-10.

Verify the cable connections (links) by checking the LEDs listed in Table 3-2. If the LEDs are not on, see "Troubleshooting."
| Power/Link | LEDs to Check | Normal Patterns |
|---|---|---|
Power | OK | On |
To hub, server, PC, or workstation |
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To ISDN network using ISDN S/T port | ISDN LINE, B1, or B2 |
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To ISDN network using ISDN U port | ISDN DSU, LINE, B1, or B2 |
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To digital telephone | ISDN LINE, B1, B1 RXD, |
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To analog telephone, fax, or modem | PHONE 1 and 21 | On when telephone, fax, or modem is in use. |
| 1You can also pick up the handset and listen for a dial tone. |
You have completed the hardware installation and are ready to configure the software. Choose one of the following options:
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Posted: Thu May 25 13:31:03 PDT 2000
Copyright 1989 - 2000©Cisco Systems Inc.