9.
Screw the NIU/TCU thumbscrews into the chassis with a #2 Phillips screwdriver.
This creates the final connection between the interface unit and the chassis.
Tightening NIU/TCU Thumbscrews
10.
Replace all network and management cabling.
11.
Replace all power cables. The system boots up.
12.
If the H/S LED lights in either a steady or flashing state, the NIU is not seated
properly. If the H/S LED is lit, follow these steps:
Unplug the power cords to power down the chassis.
Push the ejection levers inward to draw the physical interface card toward
the system chassis and complete the connection. The latches must engage to
complete NIU insertion. Verify the lever catch is fully engaged with the bezel.
Replace all power cables. The system boots up.
When the NIU PWR LED is lit and the H/S LED is extinguished, proceed with
normal operations. Otherwise, contact customer support for further assistance.
Replacing the SSM3 Module
The SSM3 module that provides TLS security functionality to the Acme Packet
6300/6350 is installed on the NIU PCB as shown below. There is a single connector
located on the edge of the NIU into which the SSM3 module plugs; the SSM3 module
is screwed into four standoff posts on which it is supported.
Chapter 6
Replacing the SSM3 Module
6-17