MPA-HD Test Module Installation and Removal

How to insert and remove MPA-HD test modules

MPA-HD-802 Test Module

Before you begin:

	The MPA-HD test modules are shipped separately from the MPA-HD chassis, and will need to be installed prior to use.
	The MPA-HD chassis must be turned off when inserting or removing test modules. Refer to the Shutdown procedure in the MPA-HD User Manual to safely turn off the MPA-HD system.
	Hardware required: #1 Phillips-Head Screwdriver (not included).
	The software version on newly inserted MPA-HD test modules will automatically be upgraded or downgraded on the next boot (as needed), to match the Feature Set version currently installed on the System Controller.

  Safe Module Handling:

• Inserting and removing MPA-HD hardware components should only be performed by authorized and suitably qualified personnel.
• Thoroughly read all the provided instructions from start to finish, making sure to understand each step clearly, and then execute the actions exactly as outlined without making any assumptions or changes unless explicitly authorized.
• Prevent foreign objects from entering the MPA-HD chassis while inserting and removing test modules, which could create short circuits or damage internal fans and components.
• When electrical components are removed from the MPA-HD chassis, always store test modules by themselves in individual ESD protected packaging (with no loose elements such as screws, tools, laser modules, or other test modules).

  Danger of Electrostatic Discharge (ESD):

• Static electricity can harm sensitive electronic components. Always follow proper ESD procedures when handling MPA-HD electrical components, such as wearing a grounded ESD wrist strap or ESD shoe grounders. 
• A chassis ground plug is located on the back of the chassis, and a 4 mm banana-jack terminal for an ESD wrist strap is located on the front of the chassis, in the lower-left corner below the “VeEX” logo.

Test Module Insertion:

How to insert a test module into the MPA-HD chassis:

1. Make sure that the MPA-HD chassis is powered off. Refer to the MPA-HD Shutdown Procedure as needed.
2. Remove the blank faceplate(s), if the slot(s) that will be used are currently covered. 
3. Carefully remove the test module from its shipping container and protective ESD bag.
4. Verify the module is oriented correctly, and align the edges of the test module’s circuit board with the guide rails at the bottom of the open slot.
   • The test module's PCB is installed on a metal tray, and only the metal tray's edges contact the chassis side rails, for bot protection and support purposes.
5. Carefully slide in the test module along the guide rails until it contacts the backplane socket, then apply enough pressure on the front of the module to fully seat the module’s connector into the backplane socket.
   • The backplane connector provides metal alignment brackets to ensure proper alignment when the test module is inserted.
     
     
6. MPA-HD test modules are secured in place with four mounting screws, which securely fasten the faceplate to the MPA-HD chassis.  (#1 Phillips-Head Screwdriver required)
7. When the test module is fully seated, the faceplate will be flush with the other test module faceplates, or blank slot covers, in the system.

Test Module Removal:

How to remove a test module from the MPA-HD chassis:

1. Make sure that the MPA-HD chassis is powered off.
2. Loosen the four mounting screws that fastened the faceplate to the MPA-HD chassis, located in each corner of the test module’s faceplate.  (#1 Phillips-Head Screwdriver required)
3. Use the two handles to firmly pull the test module with enough force to disengage the test module away from the backplane socket, and stop
4. Once the test module is detached from the backplane, then gently pull the test module out of the MPA-HD chassis slot.
5. Place the test module on an ESD-protected surface or into an ESD antistatic bag.
6. If a different test module is not being installed into the empty slot, then attach a blank faceplate cover over the open slot to prevent dust or other foreign objects from entering the MPA-HD chassis. (#1 Phillips-Head Screwdriver required)

To maintain product compliance with EMI requirements, all test module slots in the MPA-HD chassis must be occupied with a test module, or covered with a blank faceplate, when the system is in use.