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5-28 Modifying Your Vanguard 7300
Removing and Replacing the T3/E3 ATM Card and Rear Transition Module
Removing and Replacing the T3/E3 ATM Card
Introduction This section explains how to remove and reinstall the T3/E3 ATM Card.
Note
Be sure to review all applicable warnings and cautions in the “General Card
Replacement Guidelines” section on page 5-2 before you begin.
Removing the T3/
E3 ATM Card
Use the steps in this table to remove the T3/E3 ATM Card from the Vanguard 7300
enclosure:
Installing the T3/E3
ATM Card
Use the steps in this table to install the T3/E3 ATM Card into the Vanguard 7300
enclosure:
Step Action
1 Using a screwdriver, loosen the captive screws from the front of the
T3/E3 ATM Card.
2 To eject the T3/E3 ATM Card, press the two ejector levers outward at the
same time.
3 Pull the T3/E3 ATM Card from the enclosure.
4 Place the module on a clean, grounded, and static-free surface.
Caution
Avoid touching areas of integrated circuitry; static discharge can damage
these circuits.
Step Action
1 Open the ejector levers on the T3/E3 ATM Card.
2 Align the T3/E3 ATM Card with the card rails on the Vanguard 7300
chassis.
3 Carefully insert the T3/E3 ATM Card in the card rails and slide the card
until you feel resistance.
4 Simultaneously press the ejector levers inward until they lock.
5 Tighten the captive screws.