User`s guide

NE-4100 Series Serial Command Mode User’s Guide
Page 17
By Text via the Serial Port
If the NE module is in serial command mode, it will respond with a short message after receiving
the serial command end character 0x0d, allowing the user to send a specific string or character to
check if it is in serial command mode.
Serial Device to NE module command NE Module return code
0x0d (C language: ‘\r’) 0x3c 0x45 0x0d (“<E\r”)
0x0a, 0x0d (C language: ‘\n’ or Enter key) 0x3c 0x45 0x0d (“<E\r”)
Error command 0x3c 0x33 0x0c (“<3\r”)