Comtech EF Data SLM-3650 Installation And Operation Manual page 309

SLM-3650 Satellite Modem
Options
A.4.2 Installation
This equipment contains parts and assemblies sensitive to damage by ESD.
Use ESD precautionary procedures when touching, removing, or inserting
PCBs.
CAUTION
The following tool is required to install the overhead interface PCB:
Phillips  Screwdriver
Use the following information to install the overhead interface PCB as a daughter card on
the main PCB. Refer to Figure A-26 for the installation location of the overhead interface
daughter card.
Turn the power off before installation. High current VDC is present. Failure
to do so could result in damage to the modem components.
CAUTION
1. Turn off the modem and unplug the power supply.
2. Remove the rear panel retaining screws. Using the finger pulls, slide the main
modem assembly out from the rear of the modem chassis.
3. Install the overhead interface PCB, face down, onto the main PCB by mating the
male header connectors with the female header connectors.
4. Align the overhead interface PCB standoffs with the main PCB mounting holes.
Install the four mounting screws and washers.
CAUTION
5. After completing the installation procedure, turn on the modem. Select the
desired modem option to use the overhead card.
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Description
To remove and replace cross-point screws.
The mounting hardware must be installed to provide proper
grounding between the overhead interface PCB and the main PCB.
A–81
Application
Revision 3
MN/SLM3650.IOM