Test Functions
MaxTester 349
OH - SONET/SDH
For M0 and M1 computation method:
Z2: Growth. Available with OC-3, OC-12, and OC-48 signal, this byte is
located in STS-1 #1 up to STS-1 #48 except for timeslots used by M0
and M1.
Undefined “--” for all other timeslots not covered by M0, M1, and Z2.
M0 or M1 (SDH)
M0: MS-REI. STM-1 channel #1 of a STM-0e and STM-0 signal;
channel #2 of an STM-64 signal.
M1:MS-REI. STM-1 channel #1 of a STM-1e and STM-1 signal;
channel #3 of an STM-N signal (N>1).
Undefined “--” for all other channels not covered by M0, and M1.
E2: Orderwire. Provides a 64 Kbit/s voice channel for communication
between LTEs. This byte is only defined for the first STS-1/STM-1 frame
of a composite signal.
M0
Located in STS-1 #4
M1
Located in STS-1 #7
Indicates
0000 0000 0000 0000 0 BIP violation
0000 0000 0000 0001 1 BIP violation
:: :
0000 0110 0000 0000 1536 BIP violations
0000 0110 to
1111 1111
0000 0001 to
1111 1111
0 BIP violation
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