Cisco Systems DC-157 User Manual download pdf

DC-157

Cisco IOS Dial Technologies Configuration Guide

Modem Signal and Line States

This chapter describes modem states in the following section:

• Signal and Line State Diagrams

To identify the hardware platform or software image information associated with a feature, use the

Feature Navigator on Cisco.com to search for information about the feature or refer to the software

release notes for a specific release. For more information, see the “Identifying Supported Platforms”

section in the “Using Cisco IOS Software” chapter.

For a complete description of the modem support commands in this chapter, refer to the Cisco IOS

Modem Command Reference. To locate documentation of other commands that appear in this chapter,

use the command reference master index or search online.

Signal and Line State Diagrams

The following signal and line state diagrams accompany some of the tasks in the following sections to

illustrate how the modem control works:

• Configuring Automatic Dialing

• Automatically Answering a Modem

• Supporting Dial-In and Dial-Out Connections

• Configuring a Line Timeout Interval

• Closing Modem Connections

• Configuring a Line to Disconnect Automatically

• Supporting Reverse Modem Connections and Preventing Incoming Calls

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DC-157Cisco IOS Dial Technologies Configuration Guide Modem Signal and Line StatesThis chapter describes modem states in the following section:• Sig

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Modem Signal and Line StatesSignal and Line State DiagramsDC-158Cisco IOS Dial Technologies Configuration GuideThe diagrams show two processes:• The

Modem Signal and Line StatesSignal and Line State DiagramsDC-159Cisco IOS Dial Technologies Configuration Guide Configuring Automatic DialingWith th

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Modem Signal and Line StatesSignal and Line State DiagramsDC-160Cisco IOS Dial Technologies Configuration GuideFigure 26 EXEC Creation on a Line Con

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Modem Signal and Line StatesSignal and Line State DiagramsDC-161Cisco IOS Dial Technologies Configuration Guide Figure 27 EXEC and Daemon Creation f

Modem Signal and Line StatesSignal and Line State DiagramsDC-162Cisco IOS Dial Technologies Configuration GuideClosing Modem ConnectionsNote The mod

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Modem Signal and Line StatesSignal and Line State DiagramsDC-163Cisco IOS Dial Technologies Configuration Guide Configuring a Line to Disconnect Aut

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Modem Signal and Line StatesSignal and Line State DiagramsDC-164Cisco IOS Dial Technologies Configuration GuideFigure 29 Daemon Creation on a Line C

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Cisco Systems DC-157 User Manual