Unit installation

RSU-503 Redundancy Switch Unit Maintenance
Rev. 8 4–5
4.5 Internal Connections
The internal connections are not normally seen by the user, since the switch is designed
to prevent the weather from damaging the internal circuitry. However, if the switch must
be opened, pinouts of the three internal connectors have been provided.
Refer to Figure 4-3 for location of the internal connections.
Figure 4-3. Internal Connections