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Chapter 5 – & Prefix Commands

CDMA 1xEV-D0 AT Commands Reference Guide (Document S000482B) 31

Chapter 5 – & Prefix

Commands

&C Data Carrier Detect Control

Syntax: AT&C<value>

Description: The modem controls the RLSD output in accordance with the parameter supplied. This

command sets the DCD On or Off.

Value Setting

0 Sets DCD to remain On at all times.

1 Sets DCD to follow the physical connection. Default

2 DCD follows the state of the TCP/UDP connection.

Response: OK

Otherwise ERROR

&D Data Terminal Ready Options

Syntax: AT&D[n]>

Description: Determines what actions the modem takes in response to the Data Terminal Ready (DTR)

signal from the host (DTE). For action to be taken, DTR must be off for a period of 2–10

milliseconds.

Note: This command has no impact on the use of DTR to terminate a voice call on the

modem, nor does it affect the use of DTR to control modem shutdown.

Value Setting

0 Ignore DTR

1 Enter command state for an on-to-off DTR transition.

The modem condition (on or offline) is not affected.

(Currently not supported.)

2 Hang up and enter command state for an on-to-off DTR transition. Auto-

answer is disabled if DTR is off. Default.

&F Factory Settings Restore

Syntax: AT&F

Description: Reloads the factory-stored default configurations into active memory. For information on

factory settings, see the Stored Profile Settings Table later in this manual.

This command is functionally the same as Z (Reset). If there is an active call, the

command executes and the call is dropped.

&V View Configuration

Syntax: AT&V[n]

Description: Displays the active profile (commands and S-register contents).

Any numeric parameter is ignored.

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Multitech CDMA Guía de usuario Pagina 31