If the 24,330.24, 12,165.12, or 10,137.6 Mb/s line rates are selected, then Real Time Vendor-Specific Support can be selected. This allows the control word to be increased on every basic frame from 128 bits up to 160 bits for 10,137.6 Mb/s, up to 192 bits for 12,165.12 Mb/s and up to 384 bits for 24,330.24 Mb/s.