Multitech MultiVOIP MVP210 - Appendix C - Installing an MVP428 Upgrade Card; Procedure Overview; Installing the Card

146 MultiVOIP® Voice/Fax over IP Gateways
Appendix C – Installing an MVP428
Upgrade Card
This appendix describes how to install an additional circuit board into the MVP410, improving it from a 4-
channel VOIP to an 8-channel VOIP.
Procedure Overview
(A) Attach four standoffs to main circuit card.
(B) Mate the 60-pin connectors (male connector on main circuit card; female on upgrade card).
(C) Attach upgrade card to main circuit card (4 screws).
Installing the Card
1. Power down and unplug the MVP410 unit.
2. Using a Phillips driver, remove the blank cover plate at the rear of the MVP410 chassis. Save the screws.
3. Using a Phillips driver, remove the three screws that secure the main circuit board and back panel assembly
to the chassis.
Important: Follow standard ESD precautions to protect the circuit board from static electricity damage.
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(A)
*
Add standoffs here
(2 places).

Replace main card screws
with standoffs here
(2 places).
(B)
Mate 60-pin
connectors.
(C)
Attach upgrade card
(screws into standoffs
-- 4 places).
screws on blank cover plate (2)