Installation and Removal Guidelines
Please read and follow these guidelines prior to installing or removing the transcoder
DSP module:
•
The transcoder DSP module can be installed only in the designated location.
•
Note the installation locations of the transcoder DSP modules on the NIU PCB.
•
Ground yourself and follow proper ESD grounding procedures.
•
Remove the transcoder DSP module from the shipped packaging.
•
Remove and install the transcoder DSP module according to the procedures
below.
•
The installation of these modules should be performed during low-traffic periods or
during times of scheduled maintenance.
•
Follow industry-standard procedures to ensure ESD protection.
•
When installing or removing an NIU card, move the card to an ESD-safe location.
Note:
Before handling a Acme Packet 4600 NIU card, follow the proper ESD
grounding procedures. Failure to do so could damage the NIU card and its
components.
Required Parts
The following parts are required to replace the transcoder DSP module.
•
ESD wrist strap
•
ESD-safe location
•
Transcoder DSP module
•
NIU Card
Removing the Transcoder DSP Module
The following procedure describes how to remove the transcoder DSP module from
the NIU PCB.
Prerequisites:
•
Provide an ESD-safe location to place the transcoder DSP module and NIU card.
•
Wear an ESD wrist strap or take similar equivalent actions to prevent static
damage to the NIU card or other ESD-sensitive components.
•
Note the location of the transcoder DSP module connector on the NIU card.
1.
Remove the NIU card as directed in this guide. See See NIU Removal and
Replacement.
2.
Place the NIU card in an ESD-safe location.
Chapter 6
Replacing Transcoder DSP Modules
6-17