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| 型号： | CC-2417K2-CS5 |
| 厂商： | Copeland Communications Inc |
| 文件页数： | 61/62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 |
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Data Sheet
World Modem FAX
Page 8 of 62
2005, Copeland Communications, Inc.
World Modem FAX Datasheet Rev 1.0
Functional Description
The World Modem FAX is a complete embedded fax modem with integrated direct access arrangement
(DAA) that provides a programmable line interface to meet global telephone line requirements. This solution
includes a DSP data pump, modem controller, on-chip RAM and ROM, codec, DAA and analog output. The
World Modem FAX accepts standard modem AT commands and provides ITU-T T.31 compliant class one
commands with fax connect rates up to 33.6/14.4 kbps over the Public Switched Telephone Network (PSTN).
The World modem FAX features a complete set of modem protocols including all ITU-T standard formats up
to 56 kbps.
The World modem FAX provides numerous additional features for embedded modem
applications. The modem includes full type I and type II caller ID detection and decoding for global standards.
Call progress is supported through echoing result codes and is also programmable to meet global settings.
Because the World modem FAX integrates the DAA, analog features, such as parallel phone detect,
overcurrent detection, and global PTT compliance with a single design, are included. This device is ideal for
embedded modem applications due to its small board space, low power consumption, and global compliance.
The silicon DAA can be programmed to meet worldwide PTT specifications for ac termination, dc termination,
ringer impedance, and ringer threshold. In addition, the World modem FAX has been designed to meet the
most stringent worldwide requirements for out-of-band energy, billing-tone immunity, surge immunity, and
safety requirements. The World modem FAX allows for rapid integration into existing modem applications
by providing a serial interface that can directly communicate to either a microcontroller via a UART interface or
a PC via an RS-232. This interface allows for PC evaluation of the modem immediately upon power-up via the
AT commands using standard terminal software.
Host Interface
The host interface is available in serial or parallel TTL.
By default, the host is configured for Autobaud
recognition. The defaults can be changes after initialization by using standard AT commands. A true RS-232
interface is available on the World modem Evaluation Board.
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