This bitmask indicates which FEC codes this port can
support.
Bit 0 is reserved.
Subsequent bits refer to the NbsFecCode enumerated list. Bit 1
corresponds to none(1), Bit 2 to zero(2) enumeration,
and so on. A bit is set (1) if that code is appropriate
for this module, cleared (0) if unavailable.
OCTET STRING bitmasks count the leftmost bit (MSB) as 0.