Multitech MTCMR-H User's Guide download pdf (Page 48)

Chapter 3 – Supported GSM/WCDMA AT Commands

High Speed HSPA-H4 AT Commands Reference Guide (Document S000483A) 48

Examples:

Command Responses

AT+DR=?

+DR: (0-1)

AT+DR=1

Note: Reporting enabled

AT+DR?

+DR: 1

ATD01234567879

Note: Outgoing data call

+DR: V42B

CONNECT 9600

+DS V42bis Data Compression

Description: This command enables or disables V.42bis data compression if this feature is supported on

the product. Note that the product allows only the MNP2 protocol.

Syntax:

Command Responses

Action Command: AT+DS=[<dir>]

[, [<neg>] [,[<P1>] [,[<P2>] ] ] ]

Read Command:

AT+DS?

+DS: <dir>,<neg>,<P1>,<P2>

Test Command:

AT+DS=?

+DS: (list of supported <dir>s),

(list of supported <neg>s),

(list of supported <P1>s),

(list of supported <P2>s)

Values: <dir> The desired direction(s) of operation for the data compression feature from the DTE

point of view.

0 Negotiated

1 Transmit only

2 Receive only

3 Both directions, accept any direction. Default.

<neg> Specifies whether or not the DCE may continue to operate if the desired result is not

obtained.

0 Do not disconnect if V42bis is not negotiated by the remote DCE as specified in

<dir>. Default.

1 Disconnect if V42bis is not negotiated by the remote DCE as specified in <dir>

<P1> The maximum number of dictionary entries that may be negotiated,

Range: 512 to 2048. Default is 2048.

<P2> The maximum string length to be negotiated.

Range: 6 to 250. Default is 20.

Parameter Storage: All parameters are stored in EEPROM using AT&W. The default value can be

restored using AT&F.

Examples:

Command Responses

AT+DS=?

+DS: (0-3),(0,1),(512-2048),(6-250)

AT+DS=3,0,2048,250

Note: Set new parameters

AT+DS?

+DS: 3,0,2048,250

1 2 ... 43 44 45 46 47 48 49 50 51 52 53 ... 146 147

Comments to this Manuals

No comments

Multitech MTCMR-H User's Guide Page 48

Comments to this Manuals

Related products and manuals for Networking Multitech MTCMR-H