Hardware¶

Physical Setup / Board Stacking¶

The hardware consists of two circuit boards:

• Top board: AC/DC power supply and Ethernet switch
• Bottom board: Actual Femtocell mainboard

• 6-pin fine-pitch connector (most likely for DC power)
• flexible printed circuit cable (most likely for Ethernet MII/RMII)
• two large sheet metal parts for ground and/or thermal connection

It is thus not very straight forward to operate the opened device in a safe way (i.e. without live AC line voltage present).

We will be working on a way to operate it with injected safe low DC voltage, but that is still TBD.