AppendixC—InstallinganMVP428UpgradeCard
146 MultiVOIP®Voice/FaxoverIPGateways
4. Slidethemaincircuitboardoutofthechassisfarenoughtounplugthepowerconnector.
5. Unplugthepowerconnector fromthemaincircuitboard.
6. Slidethemaincircuitboardcompletelyoutofthechassisandplaceonanon‐conductive,static‐safe
tabletopsurface.
7. Removemountinghardware(2screws,2nuts,and4standoffs)fromitspackage.
8. Onthephone‐jacksideofthecircuitcar d, threescrewsattachthecircuitcardtothebackpanel.Twoof
thesescrewsareadjacenttothefourphone‐jackpairs.Removethesetwoscrews.
9. Replacethesetwoscrewswithstandoffs.
back panel screws (3)
power connector
Screw locations (2)
at phone-jack edge
of board.