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参数资料
| 型号： | CC-14.4K2-IP5 |
| 厂商： | Copeland Communications Inc |
| 文件页数： | 11/60页 |
| 文件大小： | 0K |
| 描述： | MODEM 14.4KBAUD PARALLEL 5V |
| 标准包装： | 30 |
| 数据格式： | V.22，V23，V.32，Bell 103，Bell 212A |
| 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 |
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Data Sheet
World modem II
Page 19 of 60
2004, Copeland Communications, Inc.
World modem II Datasheet Rev 1.1
Basic AT Command Set (Command Defaults in Bold) (Continued)
Command
Action
+ES Options
Enable synchronous assess mode.
+ES = A
A
Specifies the mode of operation when initiating a modem connection.
D Disable synchronous access mode.
6 Enable synchronous access mode when connection is completed and data state is entered
C
Specifies the mode of operation when answering a modem connection.
D Disable synchronous access mode
+ES = A,,C
8
Enable synchronous access mode when connection is completed and data state is
entered.
+ESA Options
Synchronous access mode control options.
+ESA = A
A
Specifies action taken if an underrun condition occurs during transparent sub-mode.
+ESA = A,B
0 Modem transmits 8-bit SYN sequences on idle.
+ESA = A,B,C
B
Specifies action taken if an underrun condition occurs after a flag during framed sub-mode.
+ESA = A,B,C,E
0 Modem transmits 8-bit HDLC flags on idle.
+ESA = A,B,C,E,F
C
Specifies action taken if an underrun or overrun condition occurs after a non-flag during
framed sub-mode.
0 Modem transmits abort on underrun in middle of frame.
1 Modem transmits flag on underrun in middle of frame and notifies host of underrun or
overrun.
D
Specifies V.34 half duplex operation.
This parameter should not be used.
E
Specifies CRC polynomial used while in framed sub-mode
0 CRC generation checking disable.
1 16-bit CRC generation and checking is performed by the modem.
F
Specifies NRZI encoding and decoding.
0 NRZI encoding and decoding disabled.
G
Specifies SYN.
+ESA =
A,B,C,E,F,G
255
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