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Rev C

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3.9. PC Board and Bezel Position

The bezel and pc board must be positioned in relation to each other to avoid interference with the function of

the cage assembly module locking latch and to ensure proper function of the panel ground springs. This

relationship must conform to the dimensions stated in Figure 4.

3.10. Placement

The following requirements also apply to connectors and cage assemblies used for rework purposes.

CAUTION

To avoid damage to elastomeric gasket, panel ground springs, and compliant tails, handle only by cage sides.

A. Registration

The compliant pin contacts and mounting posts must be aligned with matching holes in the pc board, then

inserted into the pc board simultaneously to prevent twisting or bending of the compliant pin contacts.

B. Seating

Using proper seating force and seating height is essential to interconnection performance. The force used

to seat the connector and cage assembly must be applied evenly to prevent deformation or other damage

to the compliant pin contacts. The force required to seat the connector and cage assembly onto the pc

board can be calculated by:

Amount of Compliant Pin Contacts 44.5 N [10 lbs] (Force per Compliant Pin Contact) = Seating Force

CAUTION

Over-driving of the connector and cage assembly will deform parts critical to the quality of the connection. Maximum force

occurs prior to the connector and cage assembly bottoming on the pc board.

The shut height of the application tool must be specifically set for proper seating of the connector and

cage assembly. The shut height can be calculated by:

Seating Height (Connector and Cage Assembly Seated) + Height of Seating Tool + Combined

Thicknesses of PC Board and PC Board Support Fixture = Shut Height (Ram Down)

The seating height, measured from the top of the cage assembly (not including the panel grounding

feature) to the top of the pc board, is given in Figure 5.

The connector and cage assembly must be seated on the pc board not exceeding the dimensions shown

in Figure 5.

NOTE

The shut height may need to be adjusted to obtain the 0.10 mm maximum gap between the standoffs of the cage assembly

and the pc board.

Figure 5

Cage Assembly

25.5 Seating Height

(Top of Cage Assembly, Not Including

Panel Ground Springs, to PC Board)

Compliant Pin Contacts

Connector

Mounting Posts

0.10 (Max) Gap Cage Assembly

Standoffs to PC Board