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Figure 15: Board to board connector assembled on the TE0320.
Trenz Electronic recommends to mate the standard B2B connectors with the following ones:

• 2 x W+P 6110-080-00-10-PPTR 1.27 mm (50 mil = .050") pitch 80-pin double row boxed plug (male) header board-to-board (B2B) connectors.

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Figure 16: Close-up of the recommended mating B2B connector.
This connector couple offers the following two advantages:

• the module is protected against polarity inversion;
• the connection presents a mechanical resistance sufficient for most applications.

Ordering codes for connectors JM4 / JM5 and their mating connectors are given in Table 2.

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Table 2: Ordering codes of recommended B2B connectors.
The mating height of connectors 6060-080-46-00-10-10-PPTR and 6110-080-00-10-PPTR is 6mm.
Connectors JM4 and JM5 can mate also with any 1.27 mm (50 mil = .050") pitch male header connectors with up to 2 × 40 pins. Figure 17.

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Figure 17: sample matching header connector.

Connectors JM4 and JM5 and are placed on the bottom side of the module as shown in Figure 18.

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Figure 18: female header connectors JM4 and JM5 (bottom view).