SETUP
MSAM / Micro SD Cards
12 VX 820 INSTALLATION GUIDE
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5
MSAM / Micro
SD Cards
You may need to install one or more multiple security access module (MSAM)
cards or replace the old cards.
To change or install
MSAMs
1 Remove the data cable from the back of the unit.
2 Place the VX 820 facedown on a soft, clean surface to protect the lens from
scratches.
3 Loosen the retaining screw. The restraining screw is captive, which means
that it cannot be fully removed from the slot.
Figure 3 VX 820 Compartment Door and Locking Screw
4 Slide out the compartment door. The MSAM cardholders are now accessible.
Each cardholder consists of a slot inboard of a numbered tray.
Figure 4 Opening VX 820 Compartment Door
Observe standard precautions in handling electrostatically sensitive devices.
Electrostatic discharges can damage the equipment. VeriFone recommends
using a grounded anti-static wrist strap.
Before inserting the MSAM card, position it as shown in Figure 5, with the card’s
gold contacts facing away from you, toward the unit. The cardholder slot in the
VX 820 has a set of contacts. The MSAM card has a notch on one corner to
ensure that it fits into the connector base in only one way; the VX 820 has a
matching notch cast into the backside of the MSAM compartment door to ensure
the MSAM card is positioned correctly when the cover is closed.
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