O-Return To Data State; Command Syntax; Description; Defined Values - Huawei MU509 At Command Interface Specification

HUAWEI MU509 HSDPA LGA Module
AT Command Interface Specification
9.3 O–Return to Data State

9.3.1 Command Syntax

Command
O<value>

9.3.2 Description

This command causes the DCE to return to online data /PPP state and issue a
CONNECT or CONNECT<text> result code.

9.3.3 Defined Values

<value>
0: Switch command mode to data state
<text>: indicator of interface speed.
UART: 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400
USB: 384000
Note:
When one port is in data /PPP state, other port is forbidden to send "ATO" or "ATO0".
9.4 +++–Switch Data Mode to Command Mode
9.4.1 Command Syntax
Command
+++
Issue 04 (2013-01-28)
"ATO" is the same as "ATO0" and not Support PCUI port.
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Possible response(s)
<CR><LF> CONNECT [<text>]<CR><LF>
<CR><LF> NO CARRIER<CR><LF>
<CR><LF> ERROR <CR><LF>
<CR><LF> +CME ERROR <err><CR><LF>
Possible response(s)
<CR><LF>OK<CR><LF>
If <value> is not recognized or supported
<CR><LF>+CME ERROR: <err><CR><LF>
Call Control Commands
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