Removing and Replacing an MDA-a or MDA-aXP Card
208 7750 SR-a4 and SR-a8 Installation Guide
Required tools:
• #2 Phillips or flat blade torque driver
To replace an MDA-a:
Step 1. Remove the new MDA-a from the packaging and place it on a flat antistatic work
surface. Do not touch the printed circuit board or connector pins.
Step 2. Locate the appropriate chassis slot and MDA-a slot.
Step 3. Align the MDA-a with the slot guides and the captive screw with the threaded
receptacle (Key 1 and Key 2 in Figure 76).
Step 4. Press the MDA-a firmly into the slot. Make sure that the connectors are fully seated
in the chassis. The faceplate of the MDA-a should be flush with the chassis.
Step 5. Tighten the captive screws to secure the MDA-a (Key 2 in Figure 76). The
recommended torque is 4 to 5 lbf-in (0.45 to 0.56 N
.
m). Do not over-tighten.
Step 6. If the system is powered, check the Pwr/Stat LED on the MDA-a faceplate.
Step 7. Attach cables to the MDA-a ports.
2 MDA-a captive screws (one on each side of the MDA-a)
3 Threaded receptacle
Table 104: Replacing an MDA-a Features (Continued)
Key Description
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