参数资料
型号: CC-2417K2-CS5
厂商: Copeland Communications Inc
文件页数: 16/62页
文件大小: 0K
描述: MODEM FAX 14.4K 5V
标准包装: 30
数据格式: V.21,V.22,V.23,Bell 103
波特率: 14.4k
电源电压: 4.2 V ~ 7 V
安装类型: 表面贴装
封装/外壳: 模块
包装: 散装
配用: 539-1002-ND - KIT EVALUATION WORLD MODEM II
Data Sheet
World Modem FAX
Page 23 of 62
2005, Copeland Communications, Inc.
World Modem FAX Datasheet Rev 1.0
Basic AT Command Set (Command Defaults in Bold) (Continued)
+VRN = n
Ringing tone never appeared timer
This command sets the amount of time in seconds the modem will wait looking for Ringing Tone.
If the modem does not detect Ringing Tone in this time period, the modem will assume that the
remote station has gone off-hook and return a OK result code. Default time is 0 seconds.
+VSD = <sds>,
<sdi>
Silence detection
<sds>
Noise level sensitivity
127
Less aggressive (more sensitive, lower noise levels considered to be silence).
128
Nominal level of sensitivity
129
More aggressive (less sensitive, higher noise levels considered to be silence). <sdi
sets the length of the time interval in 0.1 second units, which must contain no or little
activity, before the modem will report (QUIET) (<DLE><q>). Default is five seconds.
+VTD = n
DTMF / Tone duration timer
This command sets the default DTMF / tone generation duration in 10 ms units for the +VTS
command. Default time is oen second (n = 100).
+VTS = <string>
DTMF and tone generation
This command can be used to produce DTMF tones, single frequency tones and double
frequency tones.
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