Kontron COMe Starterkit Eval T2 - Manual (Page 171)

COM Express Module Connectors
5. COM Express Module Connectors
5.1. Connector Descriptions
A pair of 220-pin COM Express Carrier-Board connectors is available from the vendor in a
bridged configuration in which the two 220-pin connectors are held together during assembly by
a disposable bridge. The bridge keeps the two connectors aligned, relative to each other, during
assembly.
Table 59: COM Express Module Connectors
Type Height Partnumber Note
single connector 5 mm Tyco 3-1827253-6
Foxconn QT002206-2131-3H
ept 401-51101-51 220 pos., 0.5mm, Plug
connector pair 5 mm Tyco 3-1827233-6
Foxconn QT002206-2141-3H
ept 401-51501-51 440 pos., 0.5mm, Plug, with bridge
single connector 8 mm Tyco 3-6318491-6
Foxconn QT002206-4131-3H
ept 401-55101-51 220 pos., 0.5mm, Plug
connector pair 8 mm Tyco 3-5353652-6
Foxconn QT002206-4141-3H
ept 401-55501-51 440 pos., 0.5mm, Plug, with bridge
Please check with your Carrier Board manufacturer to determine if single connectors or
connector pairs are preferred.
Vendorlinks:
TE: http://www.te.com/catalog/products/en?q=com+express
Foxconn: http://nw.foxconn.com/Search/Product_Details_Report.asp?
P_Type=Board+to+Board+Connector&P_Family=
Board+to+Board+Connector&P_Series=Board+to+Board
+Connector+0%2E5mm+Pitch&P_PN=QT002206-2131-
3H&searchTypeID=3
EPT: http://www.ept.de/index.php?colibri-COM-Express
Figure 67: COM Express Carrier Board Connectors
5.2. Connector Land Patterns and Alignment
It is extremely important that the designers of Carrier Boards ensure that the COM Express
connectors have the proper land patterns and that the connectors are aligned correctly. The land
pattern is diagrammed in the COM Express Specification. Connector alignment is ensured if the
PICMG ® COM Express ® Carrier Board Design Guide Rev. 2.0 / December 6, 2013
171/218