EXFO MAX-890 - Page 356

Test Functions
348 MAX-800 Series
OH - SONET/SDH
 For OC-12: The M1 byte located in the STS-1 #7 indicates BIP
violations.
 For OC-48: The M1 byte located in the STS-1 #7 indicates BIP
violations.
 For OC-192: Either the M1 byte located in the STS-1 #7, or the
combination of the M0 and M1 bytes indicates BIP violations (refer
to REI-L Computation Method on page 178).
For M1 Only computation method:
M1, bits 234 5678 Indicates
000 0000 0 BIP violation
000 0001 1 BIP violation
::
110 0000 96 BIP violations
110 0001 to
1111 1111
0 BIP violation
M1 Indicates
0000 0000 0 BIP violation
0000 0001 1 BIP violation
::
1111 1111 255 BIP violations
M1 Indicates
0000 0000 0 BIP violation
0000 0001 1 BIP violation
::
1111 1111 255 BIP violations