Signshine S3325 TD-SCDMA DTU is a kind of cellular terminal device with RS232/RS485
that provides data transfer function by public TD-SCDMA network
TD SCDMA RS232 DTU adopts high-powered ARM9 CPU and embedded real time operating
system, integrates all the commonly used protocols, such as TCP/IP/UDP and so on, from logical
link layer to upper application layer protocols. RS232 DTU provides a secure, high speed, reliable
wireless internet connection for customers and supports several ways that trigger DTU to be online,
including SMS and data. RS485 DTU also supports double or several data centers.
High Performance
※TCP/UDP transparent data transfer, supports several work mode
※Support APN and VPDN
※Support DDNS and IP access to data center
※Support double data centers for backup
※Support several data centers
※Support auto recovery mechanism, including online detect,
auto Re-dial when offline to make it always online
※Support multi online trigger ways, including SMS, ring and
data.
※Support link disconnection when timeout
※Adopt smart online keeping technology to make sure that
DTU is always online
※Support SMS backup and emergency report
※Support RSA and RC4 encryption arithmetic
※Standard AT command interface
※Support telnet function
※Support common MODEM function
※Lower consumption design, sleep mode <1mA,standby mode
<15mA, communication mode<35mA
※Support console upgrade firmware
※Support multi OS, such as WINDOWS, LINUX, SCO UNIX
ect