RTC BACKUP BATTERY
OPENING THE CASE OF RASPBERRY PI 4 MODEL B MODELS
Terminal blocks
Iono Pi has two terminal blocks.
A 15 positions terminal block, used for power supply and low-power input/output
connections.
The maximum conductor cross section is 1.5 mm
2
(16 AWG), or 0.5 mm
2
when using
ferrules (highly recommended). Recommended stripping length is 5 mm. Screw thread is
M2. Never exceed 0.25 Nm torque when tightening the screws.
An 8 positions terminal block on the opposite side, for the power relays outputs.
12
Iono Pi User Guide