Multitech MultiModem MT5634ZBA-V-V92 Guía de usuario descargar pdf (Pagina 20)

Chapter 6 – Callback Security

20 Multi-Tech Systems, Inc. MT5634ZBA-Series User Guide (S000286H)

Calling Procedures

Use the following procedures to call a modem that has callback security enabled. Note that Autoanswer must be enabled on

the calling modem (S0=1).

Password-Only Callback

Use this procedure when calling from a fixed location.

1. Using a data communications program such as HyperTerminal, dial the number of the callback modem.

2. When the connection is established, the callback modem responds with the following message:

Password>

3. Type the password corresponding to the phone number for your modem. Press E

NTER. You have three attempts or one

minute to enter a valid password.

4. If the password is valid, the following message appears, and the modems disconnect:

OK Disconnecting

5. After the delay specified by the #CBDn command, the callback modem calls the number associated with the password. If

the callback modem is unable to establish a connection, it tries again, up to the number of attempts specified by the

#CBAn command.

6. After the modems reconnect, the following message reappears:

Password>

7. Type the same password that you used to initiate the call. You are allowed three attempts to enter the password, after

which you will be disconnected.

8. If the password is valid, the following message appears and the modems establish a working connection:

OK Connecting

Number-Entry Callback

Mobile callers should use this procedure when calling from a phone number different from that stored with the password. The

password that is used must be set up for optional number-entry callback.

1. Using a data communications program such as HyperTerminal, dial the number of the callback modem.

2. When the connection is established, the callback modem responds with the following message:

Password>

3. Type a number-entry password, press the plus key (+), type ATDT and the number to call back to, and press E

NTER. You

have three attempts or one minute to enter a valid password.

Note: When you type your phone number, be sure to include the long distance and area codes if they are needed.

4. If the password is valid, the following message appears, and the modems disconnect:

OK Disconnecting

5. After the delay specified by the #CBDn command, the callback modem calls the number that you entered after the +

character. If the callback modem is unable to establish a connection, it tries again, up to the number of attempts specified

by the #CBAn command.

6. After the modems reconnect, the following message reappears:

Password>

7. Type the same password that you used to initiate the call. You are allowed three attempts to enter the password, after

which you will be disconnected.

8. If the password is valid, the following message appears and the modems establish a working connection:

OK Connecting

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Multitech MultiModem MT5634ZBA-V-V92 Guía de usuario Pagina 20

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