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Overview of Cisco WAN and Voice Interface Cards 1-7

Cisco 2600 Series Routers

The Cisco 2600 series is a multifunction platform that combines dial access, routing,

LAN-to-LAN services, and multiservice integration of voice, video, and data in the same

device. The Cisco 2600 series providesa low-entryprice for medium-sized businesses.The

Cisco 2600 series has built-in LAN connections that provides a single or dual Ethernet port

(depending on model), one Ethernet, and one token ring port. Cisco 2600 series routers

also include one network module slot and two WAN slots that accept a variety of network

modules and interface cards. Figure 1-5 illustrates a Cisco 2611 router showing the

network module slot and WAN interface card slots.

2-PortISDNBRIvoice

interface

(VIC-2BRI-S/T-TE)

––––12.0(2)XD –

1 Some ISDN service providers require an external Network Termination 1 (NT1) device to connect an ISDN S/T port to the

ISDN line. If your service provider requires this, you must provide the NT1.

2 The BRI U module does not require an external NT1.

3 Some ISDN service providers require an external Network Termination 1 (NT1) device to connect an ISDN S/T port to the

ISDN line. If your service provider requires this, you must provide the NT1.

Table 1-1 WAN and Voice Interface Card Options with Cisco IOS Releases for Cisco 3600 Series

Routers (continued)

WAN Interface Card

Cisco IOS

Release

11.1

Cisco IOS

Release

11.2

Cisco IOS

Release

11.3

Cisco IOS

Release

11.3T

Cisco IOS

Release

12.0

Cisco IOS

Release

12.0T

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 81 82

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Cisco 1605R Guide d'installation Page 15