Comtech EF Data CDM-550T Nota de aplicación

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Application Note
This document applies to the CDM-600 and CDM-550/550T modems only. Contact Comtech EF Data
Customer Support for additional information.
IMPORTANT
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Tools
1
#2 Phillips Screwdriver
2
Soldering Iron
3
Solder
4
Tweezers
5
Grounding strap
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PARTS
Power Supply Assembly
3mm mounting screws (2 each)
4-40 ground screw
100 µF surface-mount capacitor (for CDM-600 only)
10Ω surface-mount resistor (for CDM-600 only)
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Step
Procedure
1
Remove power to the modem. Remove all cables from the rear of the modem.
Remove all power from unit before proceeding. High Current AC and DC are present inside. Failure to
remove all power may cause serious injury. Use proper ESD measures.
CAUTION
2
Remove the machine screws located on top and remove the cover from the chassis.
Copyright 2004 Comtech EFData
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Replacement Procedure for
CDM-600 & CDM-550/550T
PL/9971-1, Rev. D
HW/M3X4FHP
HW/SEM440X1/4PH
CP/SMTANT10V107
RS/121001
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Modem Power Supply
an/PSREPLACE.DOC
8/5/04