Protection requirements

Appearance of the OSN3500 SSN1ETS8 interface board

Pluggable slots
Table 1 Corresponding slots of the SSN5EFS0 single board and SSN1ETS8 single board
| Slots of EFS0 board | Corresponding slot of ETS8 board |
|---|---|
| Slot 2 | Slot 19 |
| Slot 3 | Slot 21 |
| slot 4 | slot 23 |
| Slot 5 | slot 25 |
| slot 13 | slot 29 |
| Slot 14 | Slot 31 |
| Slot 15 | slot 33 |
| Slot 16 | Slot 35 |
The SSN1ETS8 single board can be inserted in slots 19, 21, 23, 25, 29, 31, 33, and 35 of the subrack as the interface board of the EFS0 single board.The ETS8 single board can be inserted in slots 19, 21, 22, 23, 25, 29, 31, 33, 34, and 35 of the subrack as the interface board of the EFS0A single board.
The slots of the SSN5EFS0 single board and the corresponding slots of the SSN1ETS8 single board are shown in Table 1.
The slots of the SSN1EFS0A single board and the corresponding slots of the ETS8 single board are shown in Table 2.