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Multi-Tech Systems 4 Channel Voice/fax Update Information Manual
Multi-Tech Systems 4 Channel Voice/fax Update Information Manual
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Introduction
This product update provides the information necessary to perform a 4-channel voice/fax field upgrade to your
MultiVOIP. For example, a MultiVOIP MVP400 can be upgraded to an MVP800 by following the installation
instructions provided below.
Installation
To install the 4-Channel Voice/Fax upgrade kit:
1. Check the contents of your upgrade kit to insure that it contains the parts listed below:
• 4-Channel Voice/Fax logic board
Phillips screws (6)
4-Channel Voice/Fax Product Update
2. Turn the power switch to OFF and unplug the power cord from the wall outlet.
3. Turn the unit up-side-down and remove the eight screws (four on the bottom and four on the rear)
securing the cover to the chassis.
4. Slide the cover towards the back and off the chassis. Set aside.
Figure 1: Removing the Cover
5. Remove the three screws and the Voice/Fax Cover which covers expansion slots 5 to 8 (CHANNEL 5
to 8) on the back panel of the unit (Refer to Figure 2). Discard the cover plate and the screws.
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Figure 2: Back View with Cover Removed
6. Connect the ribbon cable from the existing 4-channel board to the 50-pin connector on the 4-Channel Voice/Fax logic board. 7. Place the 4-Channel Voice/Fax logic board in the CHANNEL 5 through 8 slots in the back panel of the unit and onto the six metal standoffs (Refer to Figure 3). 8. Secure the 4-Channel Voice/Fax logic board to the metal standoffs using the 6 screws provided in the kit. #& () !# $ %& Figure 3: Adding the 4-Channel Voice/Fax Board 9. Set switch 1 of the four-position dip switch to the up (open) position on the new 4-Channel Voice/Fax logic board. All four dip switches must be in the down (closed) position on the existing Voice/Fax logic board. 10. Slide the cover back on to the chassis and reinstall the cover screws. 11. Refer to your Users Guide to configure your 4-Channel Voice/Fax logic board.