11. The data mapping device of claim 10 , wherein the ISC data word has an identical bit value as the first ISC word.
10. The data mapping device of claim 8 , wherein the processor is further configured to determine whether the first number of ISC words stored in the FIFO buffer is less than a third predetermined number indicating an under-running condition, the processor further configured to determine whether the first and second ISC words indicate an ISC continuous sequence of words, if the first number is less than the third predetermined number, the processor further configured to induce the transceiver to transmit an ISC idle word and an ISC data word if the first and second ISC words indicate the ISC continuous sequence of words.