The MSA Identifier as reported in the MSA memory map, +1.
Some of these MSA Identifiers are also represented in
nbsCmmcPortType from the NBS-CMMC-MIB:
nbsSffMsaIdentifier nbsCmmcPortType
------------------- ---------------
gbic (2) gbic (147)
sfpTransceiver (4) sfp (125)
xfp (7) xfp (197)
qsfp (13) qsfp (219)
qsfp+ (14) qsfp (219)
cfp (15) cfp (221)
cxp (16) cxp (220)
mrvCxp (130) cxp (220)