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AppendixC—InstallinganMVP428UpgradeCard
MultiVOIP®Voice/FaxoverIPGateways 147
10. Therearetwocopper‐platedholesattheLEDedgeofthecircuitcard.Placeanutbeneatheachhole,with
thelockwashersideincontactwithboard.Attachastandofftoeachlocation.
11. Locatethemale60‐pin verticalconnectorneartheLEDedgeofthemaincircuitcard.Checkthatpinsare
straightandevenlyspaced.Ifnot,thencorrectforstraightnessandspacing.Locatethe60‐pinfemale
connectorontheupgradecircuitcard.
12. Settheupgradecircuitcardontopofthemaincircuitcard.Aligntheupgradecard’s4pairsofphone‐jacks
withthe4pairsofholesinthebackplaneofthemaincard.Slidethephonejacksintotheholes.
13. Matetheupgradecard’s60‐pinfemaleconnectorwiththemaincard’s60‐pinmaleconnector.
14. Therearefourcopper‐platedattachmentholes,twoeachatthefrontandrearedgesoftheupgradecard.
Attachtheupgradecardtothemaincardusing4Phillipsscrews.Ensuretheupgradecardisnowbefirmly
attachedtothemaincard.
15. Slidethemai ncircuitcardbackintothechassisfarenoughtoallowre‐connectionofpowercable.
16. Re‐connectpowercable .
17. Slidethemai ncircuitcardfullyintothechassis.
18. Re‐attachthebackplaneofthemaincircuitcardtothechassiswith3screws.
Standoff locations (2) at LED edge
of board (top view).
Standoff/nut attachment
(rear bottom view)
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*
*
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60-pin connectors
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These screws (4 places)
attach upgrade card
to main card.