NIU/TCU Removal and Installation
This section describes how to remove and replace either an NIU or a transcoding Carrier Unit (TCU). Both of these components are fastened to the rear of the Acme Packet 6300/6350 using the same type hardware (i.e., ejection levers and captive thumbscrews).
Prior to removing an NIU/TCU, the platform in which it is installed must be in standby before powering down the chassis and removing the component(s). The following procedure describes how to remove an NIU/TCU.
Note:
Make sure you are properly grounded with an ESD strap before removing the NIU/TCU.Note:
Images in this section reflect the Acme Packet 4600. The procedures are the same for the AP6350 NIU and TCU.