Re: Как попасть в командный режим модема

Отправлено: Николай Б. on August 20, 1998 at 12:34:13:

В ответ на: Как попасть в командный режим модема posted by Сергей on August 20, 1998 at 10:00:06:

> Change Manually by Sending AT Commands to Integrated Modems

> Manageable Microcom modems have an out-of-band feature, which is used to poll modem
> statistics and transmit AT commands. The Cisco IOS software uses a direct connect session to
> transfer information through this out-of-band feature. To send AT commands to a Microcom
> modem, you must permit a direct connect session for a specified modem, open a direct connect
> session, send AT commands to a modem, and clear the directly connected session from the
> modem when you are finished.

> Note This sections does not describe how to send AT commands to MICA digital modems. If
> your system uses MICA modems, refer to the publication AT Command Set and Register
> Summary for MICA Six-Port Modules.

> Open a direct connect session by issuing the modem at-mode slot/port command in Privileged
> EXEC mode. From here, you can transmit AT commands directly from your terminal session
> window to the internal Microcom modems. Most incoming or outgoing calls on the modems are
> not interrupted when you open a direct connect session and transmit AT commands. However,
> some AT commands interrupt a call--for example, the ATH command, which hangs up a call.
> Open and close one direct connect session at a time. Beware that multiple open sessions slow
> down modem performance.

> Refer to the AT command set that came with your router for a complete list of AT commands
> that you can transmit to the modems.

> For Microcom modems, you can clear or terminate an active directly connected session in two
> ways:

> Press Ctrl-C after transmitting all AT commands as instructed by the system when you
> enter AT command mode.

> Enter a second Telnet session and enable the clear modem at-mode slot/port command in
> EXEC configuration mode. This method is used for closing a directly connected session
> that may have been mistakenly left open by the first Telnet session.

> Transmit AT Command Example

> The following example opens a directly connected session on modem 1/1, enters AT command
> mode on modem 1/1, and transmits the at%v and at\s commands via the out-of-band feature on
> modem 1/1:

> router# modem at-mode 1/1
> You are now entering AT command mode on modem (slot 1 / port 1).
> Please type CTRL-C to exit AT command mode.
> at%v

> MNP Class 10 V.34/V.FC Modem Rev 1.0/85

> OK
> at\s

> IDLE 000:00:00
> LAST DIAL

> NET ADDR: FFFFFFFFFFFF
> MODEM HW: SA 2W United States
> 4 RTS 5 CTS 6 DSR - CD 20 DTR - RI
> MODULATION IDLE
> MODEM BPS 28800 AT%G0
> MODEM FLOW OFF AT\G0
> MODEM MODE AUT AT\N3
> V.23 OPR. OFF AT%F0
> AUTO ANS. ON ATS0=1
> SERIAL BPS 115200 AT%U0
> BPS ADJUST OFF AT\J0
> SPT BPS ADJ. 0 AT\W0
> ANSWER MESSGS ON ATQ0
> SERIAL FLOW BHW AT\Q3
> PASS XON/XOFF OFF AT\X0
> PARITY 8N AT

> The manageable modem returns "OK" if the AT command you transmit is successfully enabled.

> Clear a Direct Connect Session from a Second Telnet Session Example

> The following examples are for Microcom modems.

> The following example shows how to execute the modem at-mode command from a Telnet
> session:

> router# modem at-mode 1/1

> The following example shows how to execute the clear modem at-mode command from a
> second Telnet session while the first Telnet session is connected to the modem:

> router# clear modem at-mode 1/1
> clear "modem at-mode" for modem 1/1 [confirm]
> router#

> The following output is displayed in the first Telnet session after the modem is cleared by the
> second Telnet session:

> Direct connect session cleared by vty0 (171.69.1.164)

> Этот пример взят c серверf Cisco
> http://www.cisco.com/warp/public/700/tech_configs.html

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