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Programmable Serial-to-Ethernet Device Server
2.10
Flash Protection Function
In factory default settings, the “flash protection” function is disabled. User can modify the program
by yourself or update the firmware. But if need to avoid writing or erasing any file in the flash, user
have to enable the “flash protection” function in the PDS modules. Please switch the position of the
jumper to “LOCK” and then the PDS modules can restrict any write to flash memory. For more
detailed steps as follows:
2.10.1 PDS-5105D-MTCP Module
 Factory Default is Non-Lock
position
 Flash Lock
PDS Series User Manual, Version 2.2.3, Jan. 2015
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