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Media Redundancy Protocol (MRP)
6874_en_16
PHOENIX CONTACT
6-3
6.2.1.1
Example of a permissible network with MRP and (R)STP
Figure 6-2
Permissible example of MRP with (R)STP
6.2.1.2
Example of an impermissible network with MRP and (R)STP
Figure 6-3
Impermissible example
LNK MODE
1
2
X1
LNK MODE
1
2
X2
LNK MODE
1
2
X3
LNK MODE
1
2
X4
US1
US2
Fail
Reset
MODE
ACT 100
FD
FL SWITCH MM HS
Ord. No. 28 32 32 6
US2
US1 GND
GND
R1
R2
00A0451BDD
MAC
Address
V.24
00.A0.45.06.04.02
MAC
Address
1
2
3
4
LINK
Mode
US2 FAIL
X9
US1 GND US2 GND
X10
R1 R2
FL SWITCH SMSC 8GT
Ord. No. 2891123
US1
X11
MEM
MODE
SPD FD
ACT
5
6
7
8
X12
V.24
1
3
5
7
2
4
6
8
MRP ring
LNK MODE
1
2
X1
LNK MODE
1
2
X2
LNK MODE
1
2
X3
LNK MODE
1
2
X4
US1
US2
Fail
Reset
MODE
ACT 100
FD
FL SWITCH MM HS
Ord. No. 28 32 32 6
US2
US1 GND
GND
R1
R2
00A0451BDD
MAC
Address
V.24
00.A0.45.06.04.02
MAC
Address
US2 FAIL
X9
US1 GND US2 GND
X10
R1 R2
FL SWITCH SMSC 8GT
Ord. No. 2891123
US1
X11
MEM
MODE
SPD FD
ACT
X12
V.24
1
3
5
7
2
4
6
8
(R)STP ring
LNK MODE
1
2
X1
LNK MODE
1
2
X2
LNK MODE
1
2
X3
LNK MODE
1
2
X4
US1
US2
Fail
Reset
MODE
ACT 100
FD
FL SWITCH MM HS
Ord. No. 28 32 32 6
US2
US1 GND
GND
R1
R2
00A0451BDD
MAC
Address
V.24
00.A0.45.06.04.02
MAC
Address
1
2
3
4
LINK
Mode
US2 FAIL
X9
US1 GND US2 GND
X10
R1 R2
FL SWITCH SMSC 8GT
Ord. No. 2891123
US1
X11
MEM
MODE
SPD FD
ACT
5
6
7
8
X12
V.24
1
3
5
7
2
4
6
8
(R)STP ring
00.A0.45.06.04.02
MAC
Address
1
2
3
4
LINK
Mode
US2 FAIL
X9
US1 GND US2 GND
X10
R1 R2
FL SWITCH SMSC 8GT
Ord. No. 2891123
US1
X11
MEM
MODE
SPD FD
ACT
5
6
7
8
X12
V.24
1
3
5
7
2
4
6
8
00.A0.45.06.04.02
MAC
Address
1
2
3
4
LINK
Mode
US2 FAIL
X9
US1 GND US2 GND
X10
R1 R2
FL SWITCH SMSC 8GT
Ord. No. 2891123
US1
X11
MEM
MODE
SPD FD
ACT
5
6
7
8
X12
V.24
1
3
5
7
2
4
6
8
687410063
LNK MODE
1
2
X1
LNK MODE
1
2
X2
LNK MODE
1
2
X3
LNK MODE
1
2
X4
US1
US2
Fail
Reset
MODE
ACT 100
FD
FL SWITCH MM HS
Ord. No. 28 32 32 6
US2
US1 GND
GND
R1
R2
00A0451BDD
MAC
Address
V.24
00.A0.45.06.04.02
MAC
Address
1
2
3
4
LINK
Mode
US2 FAIL
X9
US1 GND US2 GND
X10
R1 R2
FL SWITCH SMSC 8GT
Ord. No. 2891123
US1
X11
MEM
MODE
SPD FD
ACT
5
6
7
8
X12
V.24
1
3
5
7
2
4
6
8
MRP ring
LNK MODE
1
2
X1
LNK MODE
1
2
X2
LNK MODE
1
2
X3
LNK MODE
1
2
X4
US1
US2
Fail
Reset
MODE
ACT 100
FD
FL SWITCH MM HS
Ord. No. 28 32 32 6
US2
US1 GND
GND
R1
R2
00A0451BDD
MAC
Address
V.24
00.A0.45.06.04.02
MAC
Address
US2 FAIL
X9
US1 GND US2 GND
X10
R1 R2
FL SWITCH SMSC 8GT
Ord. No. 2891123
US1
X11
MEM
MODE
SPD FD
ACT
X12
V.24
1
3
5
7
2
4
6
8
(R)STP ring
LNK MODE
1
2
X1
LNK MODE
1
2
X2
LNK MODE
1
2
X3
LNK MODE
1
2
X4
US1
US2
Fail
Reset
MODE
ACT 100
FD
FL SWITCH MM HS
Ord. No. 28 32 32 6
US2
US1 GND
GND
R1
R2
00A0451BDD
MAC
Address
V.24
00.A0.45.06.04.02
MAC
Address
1
2
3
4
LINK
Mode
US2 FAIL
X9
US1 GND US2 GND
X10
R1 R2
FL SWITCH SMSC 8GT
Ord. No. 2891123
US1
X11
MEM
MODE
SPD FD
ACT
5
6
7
8
X12
V.24
1
3
5
7
2
4
6
8
(R)STP ring
00.A0.45.06.04.02
MAC
Address
1
2
3
4
LINK
Mode
US2 FAIL
X9
US1 GND US2 GND
X10
R1 R2
FL SWITCH SMSC 8GT
Ord. No. 2891123
US1
X11
MEM
MODE
SPD FD
ACT
5
6
7
8
X12
V.24
1
3
5
7
2
4
6
8
00.A0.45.06.04.02
MAC
Address
LINK
Mode
US2 FAIL
X9
US1 GND US2 GND
X10
R1 R2
FL SWITCH SMSC 8GT
Ord. No. 2891123
US1
X11
MEM
MODE
ACT
X12
V.24
1
3
5
7
2
4
6
8
Impermissible connection
687410064
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