The tmnxSonetPathJ1String variable is used to configure the sonet path trace string to be sent in the J1 Path Overhead bytes. The bytes must be printable ASCII. If the string is less than 62 bytes, it will be padded with NULLs. For SONET framing, an additional CR (0x0D) / LF (0x0A) pair will be added by the driver. For SDH framing only 16 bytes are sent in the J1 bytes. The driver will set the MSB of the first byte, and put the first 15 bytes of the user configured string as the following bytes. The driver will set the CRC-7 of the 16 bytes into the other 7 bits of the first byte.

The default value is `Alcatel 7x50 SR`. Setting a 1-byte long string containing 0xFF will restore the default. Setting the string 'zeros' will send all-zeros (ASCII NULL characters without CR/LF or CRC-7)in the J1 bytes.