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  • Install the card in an available back slot of the chassis.

Background Color


If the slot is an even-numbered slot,


verify that there is no analog card in the odd-numbered slot next to it.

This verification needs to be done for the slot with the lower number, since the following two scenarios produce two different outcomes:

  • Slot 2 = Digital, Slot 3 = Analog: OK.
  • Slot 4 = Digital, Slot 3 = Analog: ERROR.

  • In the corresponding front slot, install an optional OP7353 
  • It is also permitted to have a secondary OP7170-2 in the corresponding front slot