DI-56CTB Serial Dial-up Modem module

Model: DI-56CTBProducts can be 3.3V or 5V DC power supply, support V92 features, small size, minimum requirements can be customized according to the 25 * 25MM. Interfaces can select TTL or RS232 serial port. Goods used by the U.S. master chip, for a variety of POS, tax controlled machines, silver duty machines, industrial machines, meter reading systems, encryption MODEM, remote control systems, remote data communication system microcontroller; its main features to support rapid POS machines V.29 FastPOS V.22bis transmission and fast connection; has with China UnionPay , VISA, Master and all domestic and international banking network connection. Communication protocol : Data Protocol: ITU-TVV92, V90, V.34, V.32 bis, V.32, V.22 bis,                      V.23, V.21  V.23reverse, Bell 212A and 103Data Error Correction: V.42 and MNP2-4Work mode: full and half duplex modesData compression: V.44; V.42 bis and MNP5Fax features: support for Class 1 faxinstruction: EIA/TIA578 Class 1 & Class2 , compatible Hays At instruction setFlow control: Software ( XON / XOFF ) or hardware ( RTS / CTS ) flow control the electrical characteristics:  Input voltage: DC5V/3.3V supplyTotal power: Operating power 300MW , sleep state power 80 MWEnvironment: Operating Temperature -25 ℃ ~ 75 ℃     Relative Humidity: 10% ~ 90%Structure size: 74 × 38 mm (can be done a minimum 25 * 25MM) interface standards  Terminal Interface: D I-56CTB for embedded TTL level sync serial transmission MODEM Supports TTL level / RS232 serial port pairs selected function