This object specifies the DM data pattern included in a Data TLV
when the size of the DM frame is determined by the
jnxSoamDmFrameSize object and jnxSoamDmTestTlvIncluded is 'false'.
If the frame size object does not define the DM frame size or
jnxSoamDmTestTlvIncluded is 'true' the value of this object is
ignored.
This object can only be written at row creation time and cannot be
modified once it has been created.