Interfaces, Displays and Operator Controls
RM – Redundancy Manager (green LED)
Status | Meaning |
Lit | The OSM/ESM is operating in the redundancy manager mode. |
| The ring is operating free of errors in other words the |
| redundancy manager does not allow traffic through but |
| monitors the ring. |
| Note: One OSM must operate in the redundancy manager |
| mode (and one only) in each OSM/ESM ring. |
Not lit | The OSM/ESM is not in the redundancy manager mode. |
Flashes | The OSM/ESM is in the redundancy manager mode and has |
| detected a break on the ring. The OSM/ESM makes the |
| connection between its two ring ports so that a functional bus |
| configuration is reestablished. |
Industrial Ethernet OSM/ESM | 55 |
