Replacing equipment Page 39 of 250Hardware ReplacementNT4N65, and NT4N66 cPCI Core Network Interface CardsThis section describes how to replace:• NT4N65 cPCI Core Network Interface Cards.See “Procedure 1: Replace the NT4N65 cPCI Core Network Interface(cCNI) card” on page 39.• NT4N66 cPCI Core Network Interface Transition Cards.See “Procedure 2: Replace the NT4N66 cPCI Core Network Interface(cCNI) Transition Card” on page 40.Procedure 1:Replace the NT4N65 cPCI Core Network Interface (cCNI) card1 Check that the Core containing the cCNI card to be replaced isinactive:a. The LCD/LED display panel across the top of the Core/Netmodule core cards has two rows of LEDs.If either of the LEDs (top = red or bottom = green) is on for any ofthe cards, that side is in a test or idle state.b. If the Core containing the cCNI is active, switch cores in LD 135:2 In LD 135, software disable the cCNI card:3 Hardware disable the cCNI card: set the faceplate switch to DIS.4 Use a small-bladed screwdriver to remove the screws from the cCNIcard.5 To remove the card, hold the card by the faceplate latches and gentlypull it out of the slot.LD 135 To load the program.SCPU Switch.Core (if necessary).DIS CNI c s p Disable the cCNI card, where:c = Core number (0 or 1)s = Slot number (9 - 12)p = Port number (0, 1)This software disables both the cCNI card and itsassociated cCNI Transition card.
