Provisioning of Protection Groups

There are several card protection mechanisms for the ONS 15454 SDH. When you set up protection for ONS 15454 SDH cards, you must select between maximum protection and maximum slot availability. The highest protection reduces the number of available card slots, whereas the highest slot availability reduces the protection. Table 10-3 shows the protection types that can be set up for ONS 15454 SDH cards.

Table 10-3. Protection Types
TypeCardsDescription
1:1E1-N-14

E1-42

E3-12

DS3i-N-12
Pairs 1 working card with 1 protect card. Install the protect card in an odd-numbered slot and the working card in an even-numbered slot. Use the slot that is next to the protect slot, toward the center of the shelf. For example: protect ...

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