12048321 Rev. 01 (Draft)
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4.4. M.2 Key B Connector
Reference Designator: J18
Description
M.2 key B compliant socket connector with mounting holes to support card size 3042
Interfaces used
PCI Express port B (single lane)
USB 2.0 port 5 of the SMARC module
One UIM Interface for SIM cards
Mechanic
Mounting Holes to hold solder-in standoff for M3 screw in position for 42mm card length
Connector drawing and contact-numbering scheme
Figure 13 M.2 Key B Connector
– J18
Pinout
PCIe and USB only, according to PCI Express M.2 specification revision 1.1
4.5. Nano-SIM Connector
Reference Designator: J17
Description
Nano-SIM socket with push-push card support. The J17 can only be used in combination with M.2 Key-B extension
cards.
Interfaces used
UIM1 of the M.2 key B socket
Connector drawing and contact-numbering scheme
Figure 14 Nano-SIM Connector
– J17
