Synaccess-networks NP-0801DTM Instrukcja Użytkownika Pobierz pdf (Strona 39)

HAYESCOMPLIANTATCOMMANDS



39 HSPA+ATCommandsReferenceGuide



CompressionControl 

DataCompressionReport ing+DR

Setcommandenablesordisablesthedatacompressionreportinguponconnection. 

Readcommandreturnscurrentvalueof<n>.

Testcommandreturnsallsupportedvaluesoftheparameter<n>.

Syntax

Command Commandtype

AT+DR=<n> Set

AT+DR? Read

AT+DR=? Test

ParametersandValues

<n> 

0 Datacompressionreportingdisabled.

1 Datacompressionreportingenableduponconnection.

Ifenabled,thefollowingintermediateresultcodeistransmittedbeforethefinalresult

code:+DR:<compression>Theonlysupportedvaluefor<compression>is“NONE”.

Notes

 Reference:V.25ter

S Parameters

Basiccommandsthatbeginwiththeletter“S”areknownas“S‐Parameters”.Thenumberfollowingthe“S”

indicatesthe“parameternumber”beingreferenced.Ifthenumberisnotrecognizedasavalidparameternumber,

anERRORresultcodeisissued.

IfnovalueisgivenforthesubparameterofanS‐Para

meter,anERRORresultcodeisissuedandthestoredvalue

leftunchanged.

TipsforSelectingandSettingS‐Parameters

1. ATSn<CR>selectsnascurrentparameternumber.Ifthevalueofnisintherange(0,2,3,4,5,7,10,12,

25,30,38),thiscommandestablishesSnaslastselectedparameter.Everyvalueoutofthisrangeandless

than256canbeusedbuthasnomeani

ngandismaintainedonlyforbackwardcompatibilitywithlandline

modems.

2. AT=<value><CR>orATS=<value><CR> setthecontentsoftheselectedS‐parameter.Forexample:

ATS7<CR> establishesS7aslastselectedparameter.

AT=40<CR> setsthecontentofS7to40

ATS=15<CR> setsthecontentofS7to15.

3. AT?returnsthecurrentvalueofthelastS‐parameteraccessed.

Notes

 Reference:V.25terandRC56D/RC336D.

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 329 330

Brak uwag

Synaccess-networks NP-0801DTM Instrukcja Użytkownika Strona 39