User manual
FL SWITCH LM
4-10
PHOENIX CONTACT 7278_en_01
4.2.1.6 Example Topologies
4.2.1.7 Redundant Coupling of Network Segments
In this example, two network segments are connected via redundant data paths. Two STP
components have ports in the "Blocking" state (highlighted in gray). This is sufficient to
operate the network.
Figure 4-9 Redundant coupling of network segments
6
7
8
9
10
72780010
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
US2US1
GND GND
R1 R2
00A0451BDD
MAC
Address
V.2 4
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
US2US1
GND GND
R1 R2
00A0451BDD
MAC
Address
V.2 4
1
2
3
4
5
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
US2US1
GND GND
R1 R2
00A0451BDD
MAC
Address
V.2 4
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
US2US1
GND GND
R1 R2
00A0451BDD
MAC
Address
V.24
FL SWITCH MCS 16TX
Ord.No. 28 32 70 0
00.A0.45.1B.D2.1D
MAC
Address
1357
2468
9
11
13
15
10
12
14
16
91610 11 12 13 14 15
18234567
MODE
ACT
100
FD
US1 US2
FAIL
X19
V.24
X17
US1 GND US2 GND
X18
R1 R2
FL SWITCH MCS 16TX
Ord.No. 28 32 70 0
00.A0.45.1B.D2.1D
MAC
Address
1357
2468
9
11
13
15
10
12
14
16
91610 11 12 13 14 15
18234567
MODE
ACT
100
FD
US1 US2
FAIL
X19
V.24
X17
US1 GND US2 GND
X18
R1 R2
FL SWITCH MCS 16TX
Ord.No. 28 32 70 0
00.A0.45.1B.D2.1D
MAC
Address
1357
2468
9
11
13
15
10
12
14
16
91610 11 12 13 14 15
18234567
MODE
ACT
100
FD
US1 US2
FAIL
X19
V.24
X17
US1 GND US2 GND
X18
R1 R2
FL SWITCH 5TX
Ord.No.2832085
US1
US2
FL SWITCH LM 8TX
Ord.-No.2832632
1
2
3
4
5
6
7
8
FL SWITCH 5TX
Ord.No.2832085
US1
US2
FL SWITCH LM 8TX
Ord.-No.2832632
1
2
3
4
5
6
7
8
FL SWITCH 5TX
Ord.No.2832085
US1
US2
FL SWITCH LM 8TX
Ord.-No.2832632
1
2
3
4
5
6
7
8