User's Manual

DTU-H100 Wi-Fi/Ethernet to RS485/RS232 Server User Manual
http://www.iotworkshop.com
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 Status Two: The device will output “Palmodic Signal" after normal boot up.The palmodic
signal is 0.5Hz square wave with dutyfactor 1:1. User can query this signal to judge if
deviceis active “live" or need to re-boot. When device switches to command mode, it will
output “0", which used to distinguish work mode and command mode.
Notes:
This function is user selected factory setting and RELD instruction will not effective for this
function. If user not requires this function, the default factory setting is Status One. Contact us for
more detailed support
3.13. Firmware Upgrade
device supports firmware upgrade online; User can upgrade firmware via web access.