Netgear XM128 ISDN User Manual download pdf (Page 37)

Reference Guide for the Model XM128 ISDN Digital Modem

Configuration 4-3

In order to issue an AT command statement, you first need to run your communications software

and configure it to the port connected to the Model XM128 modem. Refer to your communications

software manual for more information.

Table 4-2

lists the supported AT command types.

You can also browse the list by using the command AT$.

Quick Tips for Issuing AT Commands

The following is a list of quick tips when issuing AT commands:

• The [Enter] key must be pressed to execute a command.

• Multiple AT commands can be combined into one line (for example, AT&O2 and ATB02 are

combined as follows: AT&O2B02).

• The Model XM128 modem processes commands from left to right. The AT command that

appears to the right might overwrite the command to the left (for example, ATB13B14 results

in ATB14 because both B13 and B14 cannot coexist).

• If you see duplicated characters for each one you type, your Model XM128 modem and

software both have their echo feature turned on (the modem defaults to enable command

echo). To eliminate the double characters, turn off software command echo.

• Use A/ to repeat the last command. No AT prefix is needed for this command.The Model

XM128 modem supports either verbose result code (OK, for example) or numerical result

code (0, for example). You can use the ATVn command to set it one way or the other.

Table 4-2. Supported AT command types

Type of AT command Example

Basic AT (Hayes compatible) ATA

Basic AT$ (online Help) AT$

Extended AT& AT&F

Extended AT* command AT*I1

S-Register command ATS0=1

S-Register bitmapped command

(set S-Register bit 1 equal to 1)

ATS13.1=1

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Netgear XM128 ISDN User Manual Page 37