ANT-20/ANT-20E
2.1.2
OC-12c/STM-4c ATM TESTING (Contiguous Concatenation Mapping)
The "OC-12c/STM-4c ATM TESTING" option expands the "ATM Module" option (BN 3035/
90.70) for the ANT-20 to allow ATM tests at 622 Mbit/s.
Fig. I-3
2.1.3
OC-12v/STM-4v VIRTUAL CONCATENATION (Virtual Concatenation Mapping)
The "OC-12v/STM-4v VIRTUAL CONCATENATION" option provides additional test functions
for this special mapping method.
OC-12vc/STM-4vc virtual concatenation signals have four AU-4-4 pointers instead of one
AU-4-4 pointer.
Fig. I-4
Introduction
Contiguous concatenation, OC-12c/STM-4c ATM TESTING
Virtual concatenation, OC-12v/STM-4v VIRTUAL CONCATENATION
Concatenation Options
I-5
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