ZyXEL 793H 用户指南

Chapter 23 WAN Setup

P-793H User’s Guide

The following table describes the fields in this menu.

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Consult the manual of the device connected to your Dial Backup port for 
specific AT commands.

To edit the advanced setup for the Dial Backup port, move the cursor to the Edit Advanced 
Setup field in Menu 2.2 - Dial Backup Setup, press the [SPACE BAR] to select Yes and 
then press [ENTER].

Figure 146   Menu 2.2.1: Advanced Dial Backup Setup

Table 97   Menu 2.2: Dial Backup Setup

Dial-Backup:

Active

Use this field to turn the dial-backup feature on (Yes) or off (No).

Port Speed

Press [SPACE BAR] and then press [ENTER] to select the speed of the connection 

between the Dial Backup port and the external device.
Available speeds are:
9600, 19200, 38400, 57600, 115200 or 230400 bps.

AT Command 

String:

Init

Enter the AT command string to initialize the WAN device. Consult the manual of your 

WAN device connected to your Dial Backup port for specific AT commands.

Edit Advanced 

Setup

To edit the advanced setup for the Dial Backup port, move the cursor to this field; 

press the [SPACE BAR] to select Yes and then press [ENTER] to go to Menu 2.1 - 

Advanced Setup. 

When you have completed this menu, press [ENTER] at the prompt “Press ENTER to Confirm…” to 

save your configuration, or press [ESC] at any time to cancel.

                      Menu 2.2.1 - Advanced Dial Backup Setup

     AT Command Strings:                  Call Control:
       Dial= atd                            Dial Timeout(sec)= 60
       Drop= ~~+++~~ath                     Retry Count= 0
       Answer= ata                          Retry Interval(sec)= N/A
                                            Drop Timeout(sec)= 20
     Drop DTR When Hang Up= No              Call Back Delay(sec)= 15

     AT Response Strings:
       CLID= NMBR =
       Called Id=
       Speed= CONNECT