Cisco Systems 80O SERIES manual Connecting an Analog Telephone, Fax, or Modem

Chapter 2 Installation

Installing Your Router

To connect a digital telephone, follow the steps in Figure 2-7. You must provide the following equipment:

•NT1 with two S/T interfaces and one U interface.

•Telephone cable to connect digital telephone. (This cable is usually provided with the telephone.)

•ISDN U cable that connects the NT1 to the ISDN wall jack.

Figure 2-7 Connecting Digital Telephone to Cisco 801 and Cisco 803 Routers

Cisco 803 router

HUB	ETHERNET	10 BASE T	Cisco 803
NO HUB
			CONSOLE	ISDN S/T
	0			PHONE
	1	2
			3
				1
				2

1.Connect orange cable to orange ISDN S/T port.

NT1

2.Connect other end of cable to NT1.

Digital telephone

4. Connect ISDN U cable to NT1.

3. Connect telephone cable to digital telephone.

6. Connect NT1 power cord to electrical outlet.

ISDN wall jack

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5.Connect other end of cable to ISDN wall jack.

Connecting an Analog Telephone, Fax, or Modem

If you have Cisco 803 or Cisco 804 routers, you can connect two devices, such as an analog touch-tone telephone, fax machine, or modem. Each device is connected to basic telephone services through the ISDN line.

To connect an analog telephone, fax machine, or modem, follow the steps in Figure 2-8. You must provide the telephone cable to connect each device. The telephone cable is usually provided with the device.

The gray PHONE 1 and PHONE 2 ports are RJ-11 connectors. If you are outside of North America, you must buy and attach adapters that allow your telephones, faxes, or modems to be connected to these RJ-11 connectors. In some countries, these adapters need additional electronics to convert the

Cisco 800 Series Routers Hardware Installation Guide

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