参数资料
型号: CC-56K2-CS5
厂商: Copeland Communications Inc
文件页数: 16/60页
文件大小: 0K
描述: MODEM 56KBAUD SERIAL 5V
标准包装: 30
数据格式: V.22,V23,V.32,V.34,V.90,Bell 103,Bell 212A
波特率: 56k
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
其它名称: 539-1006
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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