Schweitzer Engineering Laboratories, Inc.
SEL-787-2, -3, -4 Data Sheet
23
Ethernet Network Architectures
Figure 32
Simple Ethernet Network Configuration
Figure 33
Ethernet Network Configuration With Dual Redundant Connections (Failover Mode)
Figure 34
Ethernet Network Configuration With Ring Structure (Switched Mode)
Cat 5 shielded twisted pair (STP)
cables with RJ45 connectors
(SEL-C627/C628) for
copper Ethernet ports
OR
Fiber-optic Ethernet cables with
LC connectors (SEL-C808) for
fiber-optic Ethernet ports
Set Port 1 (Ethernet) settings in each relay.
NETWORK
SEL-787
SEL-787
Ethernet Switch
SEL-787
SEL-787
NETWORK
Set Port 1 (Ethernet) settings in each relay.
Cat 5 shielded twisted pair (STP) cables with RJ45
connectors (SEL-C627/C628) for copper Ethernet ports
OR
Fiber-optic Ethernet cables with LC connectors
(SEL-C808) for fiber-optic Ethernet ports
Ethernet Switch A
Ethernet Switch B
Set Port 1 (Ethernet) settings in each relay.
SEL-787
SEL-787
NETWORK
Cat 5 shielded twisted pair (STP) cables
with RJ45 connectors (SEL-C627/C628)
for copper Ethernet ports
OR
Fiber-optic Ethernet cables with
LC connectors (SEL-C808) for
fiber-optic Ethernet ports
Ethernet Switch (Managed)