Moxa PM-7200-6MST [10/36] Dynamic ring coupling drc configuration applies only to
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Moxa PM-7200-6MST [10/36] Dynamic ring coupling drc configuration applies only to

Moxa PM-7200-6MST [10/36] Dynamic ring coupling drc configuration applies only to
Communication Redundancy Turbo Ring
2-5
NOTE
You do not need to use the same switch for both Ring Coupling and Ring Master.
Dynamic Ring Coupling (DRC) Configuration (applies only to
“Turbo Ring V2”)
Moxa’s switch supports Turbo Ring V2 with Dynamic Ring Coupling (DRC), which is an innovative inter-consist
network redundancy technology. It not only supports Ring Coupling (RC), which enables fast network recovery
during link failures, but also automatically assigns the active coupler switch on each train consist when train
consist sequences are changed, added, or removed. This not only prevents looping and broadcast storms, but
also reduces additional configuration time and possible errors caused by user configuration, enhancing network
communication reliability and efficiency.
Turbo Ring V2 with DRC (Dyanmic Ring Coupling)
Turbo Ring V2 with DRC Diagram 1
Turbo Ring V2 with DRC Diagram 2
Note that the dynamic ring coupling settings are only supported by “Turbo Ring V2”.
(1) DRC Group 1 requires one or two switches as members of a ring (Diagram 1: Left side of ring A, B, C;
or Diagram 2: Left side of ring A, C, and right side of ring B).
(2) DRC Group 2 requires one or two switches as members of a ring (Diagram 1: Right side of ring A, B, C;
or Diagram 2: Right side of ring A, C and left side of ring B).
(3) Ring Coupler – Scenario 1:
Linking all members of DRC group 1 to the member of the another ring DRC group 2 (Diagram 1: The
left side DRC group 1 of ring C coupled to right side DRC group 2 of ring B); or
linking all members of DRC group 1 to the member of the another ring DRC group 1 (Diagram 2: The
right side of DRC group 1 of ring B coupled to the left side of DRC group 1 of ring C); or
no connection to DRC group 1 (Diagram 1: The left side DRC group 1 of ring A).
Active
Active
DRC
group 1
DRC
group 1
DRC
group 2
DRC
group 2
DR
C
grou
p 2
DRC
group 2
Active
DRC
group 1
DRC
group 1
DRC
group 2
DRC
group 2
DRC
group 1
DRC
group 1
A
B
C
Active
Active
DRC
group 1
DRC
group 1
DRC
group 2
DRC
group 2
DR
C
grou
p 1
DRC
group 1
Active
DRC
group 1
DRC
group 1
DRC
group 2
DRC
group 2
DRC
group 2
DRC
group 2
A
B
C

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