USR-DR502-E User Manual
Technical Support:
Jinan USR IOT Technology Limited
www.pusr.com
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5. Selecting an Operating Mode
USR-DR502-E has three operating modes: transparent mode, HTTPD Client mode and SMS mode.
5.1. Transparent Mode
In this mode, users do not need to pay attention to the data conversion process, can realize the bidirectional
data transparent transmission between serial devices and network servers.
DR502-E supports 4 socket connections, Socket A, Socket B, socket C and socket D, which are independent
with each other. Each socket supports TCP Client and UDP Client.
