Cisco Systems DC-157 manual

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Table of contents for the manual

  • Page 1

    DC-157 Cisco IOS Dial Tec hnologies Configuration Guide Modem Signal and Line States This chapter describes modem states in the follo wing section: • Signal and Line State D iagrams T o identify the hardware platform or soft ware imag e information associated with a feature, use the Feature Na vigator on Cisco.com to search for inform ation about[...]

  • Page 2

    Modem Signal and Line States Signal and Line State Dia gr ams DC-158 Cisco IOS Dial Technologi es Configur ation Guide The diagrams sho w two processes: • The “create daemon” process creates a tty daemon that handles the incoming networ k connection. • The “create EXEC” process cre ates the proce ss that interprets user commands. (See F[...]

  • Page 3

    Modem Signal and Line States Signal and Line State Diagra ms DC-159 Cisco IOS Dial Technologies Con figu ratio n Guide Configuring Automatic Dialing W ith the dialup capability , you can set a modem t o dial the phon e number of a remote r outer automatically . This feature offers co st savings becau se phone lin e connectio ns are made only when t[...]

  • Page 4

    Modem Signal and Line States Signal and Line State Dia gr ams DC-160 Cisco IOS Dial Technologi es Configur ation Guide Figure 26 EXEC Creation on a Line Configured for a High-Speed Modem Supporting Dial-In and Dial-Out Connections T o conf igure a line for both incoming and outg oing calls, use the follo wing command in line confi guration mode: Fi[...]

  • Page 5

    Modem Signal and Line States Signal and Line State Diagra ms DC-161 Cisco IOS Dial Technologies Con figu ratio n Guide Figure 27 EXEC and Daemon Cr eati on for Incoming and Outgoing Calls Note If your system incorporates dial- out modems, consider using access lists to pre vent unauthorized use. Configuring a Line Timeout Interval T o change the in[...]

  • Page 6

    Modem Signal and Line States Signal and Line State Dia gr ams DC-162 Cisco IOS Dial Technologi es Configur ation Guide Closing Modem Connections Note The modem cts-requir ed command was replaced by the modem printer command in Cisco IO S Release 12.2. T o conf igure a line to close connections from a user ’ s terminal when the terminal is turned [...]

  • Page 7

    Modem Signal and Line States Signal and Line State Diagra ms DC-163 Cisco IOS Dial Technologies Con figu ratio n Guide Configuring a Line to Disconnect Automatically T o conf igure automatic line disconnect, use the follo wing command in line conf iguration mode: The autohangup command causes the EXEC facility to issue the exit command when the las[...]

  • Page 8

    Modem Signal and Line States Signal and Line State Dia gr ams DC-164 Cisco IOS Dial Technologi es Configur ation Guide Figur e 29 Daemon Cr eation on a Line Configured for Modem Dial-Out Lower DTR Ringing Idle state Ready and active Incoming network connection CTS raised Create daemon Raise DTR DTR high, watching CTS DTR high, watching CTS Network [...]