World modem II Page 23 of 60 2004, Copeland Communications, Inc. World modem II Datasheet Rev 1.1 Basic AT Command Set (Command Defaul" /> 

              


      
    



      

      
  
      
    
    
    
  
      
  
  

      





      


      
 
 




 
 


      

    
      


      參數(shù)資料
      

      


      


      
型號(hào)：
CC-14.4K2-CP

      

      
廠(chǎng)商：
Copeland Communications Inc

      

      
文件頁(yè)數(shù)：
16/60頁(yè)

      

      
文件大?。?/td>
0K

      

      
描述：
MODEM 14.4KBAUD PARALLEL 3.3V

      

      
標(biāo)準(zhǔn)包裝：
30

      

      
數(shù)據(jù)格式：
V.22，V23，V.32，Bell 103，Bell 212A
      		

      

      
波特率：
14.4k
      		

      

      
電源電壓：
3 V ~ 3.6 V
      		

      

      
安裝類(lèi)型：
表面貼裝
      		

      

      
封裝/外殼：
模塊
      		

      

      
包裝：
散裝
      		

      

      
配用：
539-1002-ND - KIT EVALUATION WORLD MODEM II
      		

      

      

      

	
      
    
    

    
      
	
      Data Sheet
      World modem II
      Page 23 of 60
       2004, Copeland Communications, Inc.
      World modem II Datasheet Rev 1.1
      Basic AT Command Set (Command Defaults in Bold) (Continued)
      Command
      Action
      +IFC Options
      Specifies the flow control to be implemented.
      +IFC = A
      A
      Specifies the flow control method used by the host to control data from the modem.
      0 None
      1 Local XON/OFF flow control. Does not pass XON/XOFF character to the remot modem.
      2 Hardware flow control (RTS).
      B
      Specifies the flow control method used by the modem to control data from the host.
      0 None
      1 Local XON/OFF flow control. Does not pass XON/XOFF character to the remot modem.
      +IFC = A,B
      2 Hardware flow control (CTS).
      +ITF Options
      Transmit flow control threshold.
      +ITF = A
      A
      Threshold above which the modem will generate a flow off signal.
      +ITF = A,B
      < 0 to 511> bytes
      B
      Threshold below which the modem will generate a flow on signal
      < 0 to 511> bytes
      C
      Polling interval for <EM><BNUM> indicator
      +ITF = A,B,C
      0 to 300 in 10 msec units.
      Modulation reporting control.
      X
      Mode
      0
      Disabled
      1
      Enabled
      If enabled, the intermediate result code is transmitted at the point during connect negotiation. The
      format of this result code is asw follows:
      +MCR: <carrier> e.g. +MCR: V32B
      +MR = X
      +MRR: <rate> e.g. +MRR: 14400
      +MS Options
      Modulation Selection.
      +MS = A
      A
      Preferred modem carrier
      +MS = A,B
      V21
      ITU-T V.21
      +MS = A,B,C
      V22
      ITU-T V.22
      +MS = A,B,C,D
      V.22B
      ITU-T V.22bis
      +MS = A,B,C,D,E
      V32
      ITU-T V.32 (default for CC-14.4K2)
      V.32B
      ITU-T V.32bis
      V34
      ITU-T V.34 (default for CC-33K2)
      V90
      ITU-T V.90 (default for CC-56K2)
      B
      Automatic modulation negotiation
      0
      Disabled
      1
      Enabled
      C,D Min rate/Min rx rate are optional numeric values that specify the lowest value at which the
      DCE ma establish a connection. If unspecified (set to zero), the are determined by the carrier and
      automode settings.
      +MS =
      A,B,C,D,E,F
      E,F Max rate/Max rx rate are optional numeric values which specify the highest values which
      specify the highest value at which the DCE may establish a connection. If unspecified (set to 0),
      they are determined by the carrier and automode settings.
      
    
      
    
    
      


      


      

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