Figure 2-54, Figure 2-55, Figure 2-56 – Nortel Networks OPTera Metro 3500 User Manual
Page 202
2-164 Operation, administration, and maintenance (OAM) features
OPTera Metro 3500 Multiservice Platform NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004
Figure 2-54
Monitoring test access-Single FAD, MONE
EX1400p
Figure 2-55
Monitoring test access-Single FAD, MONF
EX1399p
Dual FAD, MONEF
In a dual FAD environment, both signal directions (path A and path B) can be
monitored at the same time.
In the case of dual FAD, MONEF the monitored connections are provided
from the odd pair of a dual FAD TAP to the A transmission path and from the
even pair of a dual FAD TAP to the B transmission path of the circuit.
Figure 2-56
Monitoring test access-Dual FAD, MONEF
EX1401
A Path
B Path
TAP
To Aid
From Aid
Facility
side
Equipment
side
A Path
B Path
TAP
To Aid
From Aid
Facility
side
Equipment
side
A Path
B Path
TAP
Odd
channel
Even
channel
From Aid
Facility
side
Equipment
side